Tidal Current Predictions

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	January, 2008
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1		0300	+0.9	0654	1037	-1.8	1433	1629	+0.6	2006	2247	-0.8
2	0035	0352	+0.9	0734	1129	-2.0	1527	1729	+0.8	2118	2346	-0.8
3	0131	0441	+0.9	0812	1218	-2.3	1614	1818	+0.9	2217
4		0040	-0.8	0227	0526	+0.9	0848	1302	-2.5	1655	1900	+1.0	2306
5		0131	-1.0	0319	0608	+0.9	0924	1343	-2.8	1732	1939	+1.2	2350
6		0219	-1.0	0408	0649	+1.0	1000	1423	-3.0	1808	2016	+1.2
7	0030	0307	-1.1	0455	0731	+1.0	1037	1501	-3.1	1841	2051	+1.3
8	0105	0353	-1.1	0540	0813	+1.0	1115	1535	-3.2	1912	2125	+1.4
9	0135	0436	-1.2	0624	0856	+1.0	1154	1602	-3.2	1941	2159	+1.4
10	0202	0515	-1.3	0709	0940	+1.0	1235	1626	-3.1	2010	2234	+1.4
11	0229	0549	-1.4	0755	1025	+1.0	1319	1658	-3.0	2040	2312	+1.4
12	0259	0619	-1.6	0844	1112	+0.9	1408	1739	-2.8	2112	2353	+1.4
13	0333	0649	-1.8	0938	1206	+0.8	1506	1829	-2.3	2149
14		0039	+1.3	0413	0732	-1.9	1043	1309	+0.8	1616	1941	-1.8	2231
15		0130	+1.2	0459	0830	-2.2	1205	1421	+0.7	1743	2115	-1.3	2320
16		0225	+1.2	0551	0935	-2.4	1337	1542	+0.8	1918	2231	-1.1
17	0018	0325	+1.2	0646	1042	-2.6	1453	1657	+1.0	2045	2340	-1.1
18	0126	0426	+1.2	0741	1147	-3.0	1555	1759	+1.2	2156
19		0043	-1.1	0238	0525	+1.2	0835	1247	-3.4	1649	1853	+1.4	2254
20		0140	-1.3	0349	0620	+1.2	0928	1342	-3.6	1739	1942	+1.5	2344
21		0235	-1.4	0454	0712	+1.2	1019	1433	-3.6	1824	2028	+1.6
22	0029	0328	-1.6	0553	0804	+1.2	1110	1523	-3.6	1907	2112	+1.6
23	0111	0418	-1.7	0648	0854	+1.2	1159	1611	-3.4	1946	2154	+1.5
24	0150	0504	-1.8	0741	0943	+1.1	1248	1656	-3.1	2021	2233	+1.4
25	0227	0548	-1.8	0832	1030	+1.0	1337	1739	-2.6	2051	2311	+1.4
26	0303	0632	-1.8	0923	1119	+0.8	1428	1825	-2.2	2117	2349	+1.2
27	0340	0717	-1.7	1017	1212	+0.7	1526	1916	-1.7	2142
28		0030	+1.0	0419	0805	-1.6	1122	1315	+0.6	1637	2015	-1.2	2210
29		0114	+0.9	0503	0858	-1.6	1239	1434	+0.5	1813	2116	-0.8	2248
30		0204	+0.8	0551	0954	-1.6	1354	1601	+0.6	1957	2218	-0.6	2337
31		0300	+0.7	0642	1052	-1.8	1455	1707	+0.7	2112	2320	-0.6

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	February, 2008
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1	0041	0358	+0.7	0731	1149	-2.0	1545	1756	+0.9	2208
2		0018	-0.7	0153	0453	+0.8	0816	1240	-2.4	1627	1837	+1.0	2251
3		0110	-0.8	0300	0542	+0.8	0857	1324	-2.6	1704	1913	+1.2	2326
4		0157	-1.1	0356	0626	+0.9	0938	1404	-3.0	1738	1945	+1.2	2355
5		0241	-1.2	0445	0710	+1.0	1018	1441	-3.1	1809	2017	+1.4
6	0018	0322	-1.4	0529	0753	+1.0	1059	1515	-3.2	1838	2050	+1.4
7	0041	0359	-1.6	0611	0837	+1.1	1140	1546	-3.2	1906	2124	+1.5
8	0105	0430	-1.8	0653	0921	+1.1	1224	1614	-3.1	1935	2200	+1.5
9	0133	0453	-2.0	0737	1007	+1.1	1311	1646	-3.0	2005	2238	+1.5
10	0205	0514	-2.3	0823	1054	+1.0	1401	1726	-2.6	2039	2319	+1.4
11	0242	0547	-2.5	0914	1147	+1.0	1459	1815	-2.2	2116
12		0004	+1.3	0324	0632	-2.5	1016	1249	+0.9	1610	1928	-1.6	2158
13		0055	+1.2	0413	0729	-2.5	1137	1402	+0.8	1739	2101	-1.1	2248
14		0154	+1.1	0510	0848	-2.4	1315	1526	+0.8	1922	2218	-0.8	2353
15		0258	+1.0	0615	1020	-2.5	1435	1644	+1.0	2049	2328	-1.0
16	0117	0406	+1.0	0720	1138	-2.8	1539	1745	+1.2	2151
17		0032	-1.2	0246	0511	+1.1	0823	1243	-3.1	1632	1836	+1.4	2239
18		0129	-1.4	0359	0610	+1.2	0920	1337	-3.2	1719	1922	+1.5	2319
19		0220	-1.7	0459	0703	+1.2	1014	1426	-3.4	1801	2004	+1.5	2356
20		0307	-1.9	0553	0753	+1.2	1105	1512	-3.2	1840	2044	+1.5
21	0030	0351	-2.2	0642	0842	+1.2	1154	1555	-3.0	1914	2122	+1.5
22	0103	0432	-2.2	0728	0928	+1.2	1242	1637	-2.8	1945	2158	+1.4
23	0135	0510	-2.2	0811	1013	+1.0	1329	1719	-2.4	2011	2232	+1.3
24	0207	0547	-2.0	0854	1058	+0.9	1419	1802	-1.9	2035	2307	+1.1
25	0240	0625	-1.9	0937	1146	+0.8	1515	1851	-1.4	2100	2345	+1.0
26	0316	0707	-1.7	1029	1243	+0.7	1624	1949	-1.0	2130
27		0026	+0.8	0356	0803	-1.6	1139	1355	+0.6	1803	2052	-0.7	2209
28		0116	+0.7	0446	0909	-1.4	1301	1523	+0.6	1948	2155	-0.5	2301
29		0214	+0.6	0545	1015	-1.6	1410	1635	+0.7	2057	2257	-0.5

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	March, 2008
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1	0013	0319	+0.6	0647	1118	-1.8	1504	1725	+0.9	2144	2356	-0.7
2	0143	0423	+0.6	0743	1212	-2.2	1547	1803	+1.0	2218
3		0047	-1.0	0256	0518	+0.8	0833	1258	-2.5	1624	1836	+1.2	2242
4		0131	-1.3	0351	0606	+0.9	0918	1338	-2.8	1657	1906	+1.3	2302
5		0210	-1.6	0436	0650	+1.0	1002	1415	-2.9	1728	1938	+1.4	2322
6		0245	-1.9	0518	0735	+1.1	1046	1450	-3.0	1757	2012	+1.4	2345
7		0314	-2.2	0557	0819	+1.2	1131	1524	-3.0	1827	2048	+1.5
8	0013	0337	-2.5	0638	0904	+1.2	1217	1558	-2.9	1858	2126	+1.5
9	0044	0500	-2.9	0820	1051	+1.2	1406	1736	-2.6	2032	2306	+1.5
10	0220	0531	-3.1	0906	1139	+1.2	1459	1819	-2.3	2108	2348	+1.4
11	0259	0610	-3.1	0958	1233	+1.1	1600	1913	-1.8	2148
12		0035	+1.3	0344	0656	-3.0	1059	1334	+1.0	1713	2033	-1.2	2234
13		0127	+1.1	0435	0753	-2.8	1219	1448	+0.9	1846	2155	-1.0	2330
14		0228	+1.0	0537	0916	-2.4	1352	1610	+1.0	2027	2308	-0.8
15	0049	0338	+0.9	0650	1107	-2.4	1510	1725	+1.1	2138
16		0017	-1.1	0235	0452	+0.9	0806	1226	-2.5	1612	1824	+1.2	2228
17		0119	-1.4	0359	0602	+1.0	0915	1331	-2.6	1704	1912	+1.4	2307
18		0213	-1.8	0504	0702	+1.1	1017	1423	-2.8	1749	1955	+1.4	2342
19		0258	-2.2	0558	0754	+1.2	1112	1508	-2.8	1829	2034	+1.4
20	0013	0339	-2.4	0646	0843	+1.2	1202	1551	-2.8	1905	2111	+1.4
21	0044	0418	-2.5	0730	0929	+1.2	1250	1633	-2.5	1936	2146	+1.4
22	0114	0455	-2.5	0810	1013	+1.2	1337	1715	-2.3	2004	2220	+1.3
23	0144	0530	-2.5	0849	1056	+1.1	1424	1758	-1.9	2029	2254	+1.2
24	0214	0602	-2.4	0926	1139	+1.0	1515	1842	-1.7	2055	2329	+1.0
25	0246	0629	-2.3	1005	1224	+0.9	1611	1932	-1.2	2124
26		0006	+0.9	0320	0651	-2.0	1048	1316	+0.8	1722	2029	-0.8	2159
27		0047	+0.8	0359	0725	-1.8	1143	1419	+0.7	1859	2131	-0.6	2242
28		0136	+0.6	0445	0915	-1.6	1255	1534	+0.7	2028	2233	-0.5	2340
29		0235	+0.5	0545	1035	-1.6	1407	1644	+0.8	2125	2333	-0.6
30	0103	0343	+0.5	0658	1140	-1.7	1505	1737	+0.9	2202
31		0029	-0.8	0241	0452	+0.6	0808	1236	-1.9	1552	1816	+1.0	2226

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	April, 2008
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1		0118	-1.2	0350	0554	+0.7	0908	1324	-2.2	1631	1850	+1.2	2244
2		0158	-1.7	0441	0645	+0.9	0959	1406	-2.4	1705	1923	+1.3	2303
3		0233	-2.0	0524	0732	+1.0	1048	1445	-2.5	1738	1957	+1.4	2327
4		0303	-2.5	0604	0817	+1.2	1136	1523	-2.6	1812	2034	+1.4	2355
5		0328	-2.9	0644	0903	+1.3	1224	1602	-2.5	1846	2114	+1.5
6	0027	0352	-3.2	0726	0950	+1.4	1313	1644	-2.4	1922	2155	+1.5
7	0103	0423	-3.5	0810	1038	+1.4	1405	1729	-2.2	2001	2238	+1.4
8	0142	0501	-3.6	0858	1128	+1.3	1502	1821	-1.8	2042	2323	+1.3
9	0225	0544	-3.6	0951	1222	+1.2	1606	1922	-1.4	2127
10		0011	+1.2	0312	0632	-3.2	1052	1323	+1.2	1721	2034	-1.1	2220
11		0105	+1.0	0406	0730	-2.9	1204	1432	+1.1	1850	2146	-1.0	2329
12		0208	+0.8	0510	0907	-2.4	1322	1546	+1.1	2012	2255	-1.0
13	0108	0321	+0.8	0629	1050	-2.2	1434	1655	+1.1	2109
14		0000	-1.3	0248	0440	+0.8	0753	1204	-2.2	1535	1753	+1.2	2152
15		0100	-1.7	0401	0553	+0.9	0910	1306	-2.2	1626	1840	+1.3	2227
16		0149	-2.2	0500	0653	+1.0	1014	1357	-2.2	1710	1921	+1.3	2259
17		0231	-2.4	0549	0744	+1.1	1110	1442	-2.2	1748	1959	+1.3	2329
18		0308	-2.6	0634	0831	+1.2	1200	1525	-2.2	1822	2034	+1.3	2358
19		0344	-2.8	0715	0915	+1.2	1248	1608	-1.9	1853	2109	+1.2
20	0028	0419	-2.8	0753	0958	+1.2	1335	1652	-1.8	1921	2144	+1.2
21	0058	0453	-2.8	0830	1040	+1.2	1423	1738	-1.6	1949	2219	+1.1
22	0129	0523	-2.6	0906	1122	+1.1	1515	1825	-1.3	2020	2256	+1.0
23	0201	0546	-2.5	0943	1205	+1.0	1613	1916	-1.0	2055	2334	+0.8
24	0236	0609	-2.4	1022	1251	+1.0	1721	2011	-0.7	2135
25		0016	+0.7	0314	0643	-2.2	1105	1343	+0.9	1838	2109	-0.6	2225
26		0105	+0.6	0358	0731	-1.9	1156	1440	+0.9	1946	2207	-0.6	2328
27		0202	+0.5	0455	0946	-1.7	1252	1538	+0.9	2031	2303	-0.8
28	0053	0309	+0.5	0609	1054	-1.7	1348	1631	+1.0	2100	2354	-1.1
29	0226	0419	+0.5	0730	1152	-1.7	1439	1717	+1.1	2120
30		0040	-1.6	0332	0526	+0.7	0841	1244	-1.9	1524	1759	+1.2	2142

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	May, 2008
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1		0119	-2.0	0424	0623	+0.8	0941	1331	-2.0	1605	1839	+1.3	2208
2		0153	-2.5	0509	0713	+1.0	1036	1415	-2.0	1645	1919	+1.4	2239
3		0222	-3.0	0552	0801	+1.2	1128	1458	-2.2	1726	2000	+1.4	2313
4		0250	-3.4	0635	0849	+1.3	1220	1543	-2.0	1807	2043	+1.4	2350
5		0321	-3.7	0720	0939	+1.4	1314	1632	-1.9	1850	2128	+1.4
6	0031	0359	-4.0	0808	1028	+1.4	1409	1725	-1.7	1935	2214	+1.4
7	0114	0442	-4.0	0858	1119	+1.4	1509	1822	-1.4	2023	2302	+1.2
8	0200	0529	-3.7	0950	1212	+1.4	1612	1922	-1.3	2117	2352	+1.1
9	0249	0620	-3.4	1045	1309	+1.3	1721	2027	-1.1	2220
10		0048	+0.9	0345	0721	-2.8	1143	1410	+1.2	1833	2132	-1.1	2340
11		0151	+0.8	0450	0902	-2.3	1244	1514	+1.2	1936	2234	-1.3
12	0117	0304	+0.7	0609	1025	-1.9	1347	1617	+1.2	2027	2334	-1.6
13	0244	0426	+0.7	0739	1132	-1.7	1445	1713	+1.2	2108
14		0030	-1.9	0353	0541	+0.8	0902	1232	-1.7	1536	1802	+1.2	2143
15		0119	-2.3	0449	0642	+0.9	1011	1326	-1.6	1620	1844	+1.2	2215
16		0200	-2.5	0537	0732	+1.0	1108	1413	-1.6	1659	1922	+1.2	2246
17		0238	-2.8	0619	0818	+1.1	1159	1459	-1.6	1734	1958	+1.2	2317
18		0314	-2.9	0659	0901	+1.2	1248	1544	-1.4	1806	2033	+1.1	2348
19		0350	-2.9	0737	0944	+1.2	1336	1631	-1.3	1839	2110	+1.0
20	0020	0425	-2.9	0813	1025	+1.2	1425	1719	-1.2	1913	2148	+1.0
21	0053	0459	-2.9	0849	1104	+1.2	1516	1808	-1.1	1951	2227	+0.9
22	0127	0527	-2.9	0924	1144	+1.2	1608	1857	-1.0	2032	2308	+0.8
23	0203	0550	-2.6	0958	1224	+1.1	1700	1948	-0.8	2118	2351	+0.8
24	0242	0622	-2.5	1033	1307	+1.1	1749	2040	-0.8	2210
25		0038	+0.6	0326	0704	-2.3	1110	1353	+1.1	1833	2133	-0.8	2311
26		0133	+0.6	0420	0804	-1.9	1151	1441	+1.0	1909	2223	-1.1
27	0025	0236	+0.5	0529	0958	-1.7	1236	1530	+1.1	1940	2310	-1.3
28	0151	0346	+0.5	0653	1104	-1.6	1325	1620	+1.1	2012	2354	-1.8
29	0304	0457	+0.6	0814	1202	-1.6	1416	1710	+1.2	2045
30		0035	-2.3	0402	0601	+0.8	0925	1257	-1.6	1506	1758	+1.3	2121
31		0112	-2.8	0453	0657	+1.0	1028	1348	-1.6	1556	1844	+1.3	2159

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	June, 2008
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1		0148	-3.2	0542	0749	+1.2	1126	1438	-1.7	1645	1931	+1.4	2240
2		0224	-3.7	0630	0839	+1.4	1222	1530	-1.6	1736	2018	+1.4	2323
3		0304	-4.0	0718	0929	+1.5	1318	1624	-1.6	1827	2106	+1.4
4	0008	0348	-4.1	0806	1019	+1.5	1413	1720	-1.4	1920	2156	+1.3
5	0054	0437	-4.0	0855	1109	+1.5	1510	1816	-1.4	2017	2246	+1.2
6	0143	0529	-3.7	0942	1158	+1.5	1605	1912	-1.3	2117	2337	+1.1
7	0234	0624	-3.2	1028	1248	+1.4	1700	2009	-1.3	2224
8		0032	+0.9	0330	0728	-2.8	1114	1341	+1.3	1754	2107	-1.4	2340
9		0133	+0.7	0433	0844	-2.2	1159	1435	+1.2	1847	2204	-1.6
10	0104	0244	+0.6	0550	0953	-1.7	1247	1530	+1.1	1936	2259	-1.7
11	0226	0405	+0.6	0721	1056	-1.3	1337	1625	+1.0	2019	2353	-1.9
12	0335	0524	+0.7	0852	1156	-1.2	1428	1717	+1.0	2058
13		0044	-2.2	0432	0627	+0.8	1007	1253	-1.1	1517	1804	+1.0	2133
14		0129	-2.4	0520	0718	+1.0	1107	1345	-1.1	1602	1845	+1.0	2207
15		0211	-2.6	0603	0804	+1.1	1159	1435	-1.1	1644	1924	+1.0	2241
16		0250	-2.9	0642	0846	+1.2	1248	1523	-1.1	1725	2003	+1.0	2315
17		0329	-3.0	0719	0927	+1.2	1334	1611	-1.1	1807	2042	+1.0	2350
18		0408	-3.0	0755	1005	+1.2	1419	1700	-1.1	1848	2122	+1.0
19	0025	0446	-3.1	0828	1042	+1.3	1501	1747	-1.1	1931	2204	+0.9
20	0102	0520	-3.0	0900	1117	+1.3	1539	1833	-1.1	2015	2245	+0.9
21	0140	0546	-3.0	0930	1152	+1.3	1612	1917	-1.1	2101	2329	+0.8
22	0220	0609	-2.8	0959	1230	+1.3	1642	2000	-1.1	2150
23		0015	+0.8	0305	0644	-2.5	1030	1310	+1.2	1714	2044	-1.2	2245
24		0106	+0.7	0357	0731	-2.2	1104	1353	+1.2	1748	2128	-1.4	2347
25		0206	+0.6	0502	0839	-1.8	1144	1441	+1.2	1827	2212	-1.7
26	0104	0314	+0.6	0624	1014	-1.4	1229	1533	+1.2	1910	2258	-2.0
27	0228	0429	+0.7	0753	1124	-1.2	1321	1627	+1.2	1955	2346	-2.4
28	0339	0542	+0.8	0915	1229	-1.2	1418	1722	+1.2	2041
29		0036	-2.9	0439	0644	+1.0	1026	1328	-1.2	1518	1816	+1.2	2128
30		0126	-3.4	0533	0738	+1.2	1128	1424	-1.3	1619	1908	+1.3	2216

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	July, 2008
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1		0214	-3.7	0624	0829	+1.4	1224	1519	-1.3	1720	2000	+1.3	2304
2		0304	-3.8	0712	0918	+1.5	1316	1614	-1.4	1820	2051	+1.3	2354
3		0355	-4.0	0758	1006	+1.6	1406	1709	-1.6	1920	2142	+1.3
4	0043	0447	-3.8	0842	1052	+1.6	1452	1801	-1.6	2018	2233	+1.2
5	0134	0539	-3.6	0924	1137	+1.6	1537	1851	-1.7	2117	2324	+1.1
6	0225	0629	-3.1	1003	1220	+1.4	1621	1941	-1.7	2218
7		0016	+0.9	0319	0721	-2.6	1039	1305	+1.3	1704	2032	-1.7	2322
8		0113	+0.8	0419	0819	-2.0	1112	1351	+1.2	1748	2124	-1.7
9	0035	0219	+0.6	0531	0921	-1.4	1144	1440	+1.0	1835	2217	-1.7
10	0154	0338	+0.6	0702	1022	-1.1	1220	1532	+0.9	1923	2311	-1.8
11	0308	0502	+0.6	0842	1123	-0.8	1307	1627	+0.8	2010
12		0006	-1.9	0409	0610	+0.8	1003	1224	-0.7	1405	1721	+0.8	2053
13		0059	-2.2	0459	0702	+0.9	1104	1321	-0.7	1509	1811	+0.8	2133
14		0147	-2.4	0542	0747	+1.0	1154	1413	-0.8	1608	1855	+0.9	2212
15		0231	-2.8	0621	0827	+1.2	1238	1503	-1.0	1701	1937	+0.9	2250
16		0312	-2.9	0656	0904	+1.2	1317	1550	-1.1	1749	2018	+1.0	2328
17		0352	-3.1	0729	0939	+1.3	1351	1636	-1.2	1834	2100	+1.0
18	0005	0430	-3.1	0800	1012	+1.4	1421	1720	-1.3	1917	2142	+1.0
19	0044	0505	-3.1	0829	1044	+1.4	1447	1759	-1.4	2000	2225	+1.0
20	0124	0534	-3.1	0856	1117	+1.4	1511	1834	-1.4	2042	2308	+1.0
21	0206	0556	-2.9	0923	1152	+1.4	1538	1903	-1.6	2126	2353	+0.9
22	0252	0626	-2.6	0953	1230	+1.4	1609	1923	-1.8	2215
23		0042	+0.8	0344	0707	-2.3	1025	1312	+1.3	1645	1953	-1.9	2310
24		0139	+0.8	0446	0804	-1.7	1103	1400	+1.2	1727	2042	-2.0
25	0020	0247	+0.7	0606	0935	-1.3	1147	1453	+1.1	1817	2146	-2.3
26	0152	0405	+0.7	0742	1059	-1.0	1241	1551	+1.1	1912	2258	-2.5
27	0317	0524	+0.9	0913	1210	-1.0	1346	1653	+1.1	2009
28		0011	-2.9	0424	0631	+1.1	1027	1314	-1.1	1459	1755	+1.1	2106
29		0116	-3.2	0521	0726	+1.3	1126	1413	-1.2	1614	1852	+1.2	2201
30		0214	-3.5	0611	0815	+1.4	1215	1508	-1.4	1724	1947	+1.2	2254
31		0307	-3.7	0657	0901	+1.6	1258	1600	-1.7	1826	2039	+1.3	2346

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	August, 2008
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1		0358	-3.7	0740	0946	+1.6	1339	1650	-1.8	1923	2131	+1.3
2	0038	0447	-3.6	0821	1028	+1.6	1417	1738	-2.0	2017	2221	+1.2
3	0128	0534	-3.2	0858	1108	+1.5	1455	1822	-2.0	2109	2310	+1.1
4	0219	0619	-2.9	0931	1147	+1.4	1531	1905	-2.0	2200	2359	+1.0
5	0311	0704	-2.4	1000	1226	+1.3	1609	1948	-1.9	2254
6		0052	+0.8	0408	0754	-1.8	1026	1307	+1.1	1648	2036	-1.8	2355
7		0152	+0.7	0515	0851	-1.3	1053	1351	+1.0	1732	2129	-1.6
8	0110	0307	+0.6	0646	0953	-0.8	1127	1440	+0.8	1822	2227	-1.6
9	0228	0434	+0.6	0835	1056	-0.6	1213	1537	+0.7	1917	2329	-1.7
10	0335	0547	+0.7	0956	1159	-0.5	1318	1639	+0.7	2012
11		0030	-1.9	0428	0640	+0.9	1052	1259	-0.6	1441	1739	+0.7	2102
12		0124	-2.2	0512	0723	+1.0	1136	1353	-0.8	1556	1830	+0.8	2147
13		0210	-2.5	0550	0800	+1.2	1211	1441	-1.1	1654	1915	+0.9	2229
14		0252	-2.9	0624	0833	+1.2	1240	1525	-1.3	1742	1958	+1.0	2310
15		0330	-3.0	0655	0903	+1.3	1304	1606	-1.6	1824	2040	+1.0	2350
16		0408	-3.1	0724	0934	+1.4	1325	1643	-1.7	1904	2123	+1.1
17	0030	0442	-3.1	0751	1006	+1.4	1347	1716	-1.9	1942	2205	+1.1
18	0112	0513	-3.0	0818	1040	+1.4	1413	1739	-2.0	2021	2249	+1.1
19	0156	0539	-2.8	0846	1116	+1.4	1442	1753	-2.3	2102	2334	+1.1
20	0243	0610	-2.5	0917	1155	+1.4	1515	1820	-2.5	2148
21		0023	+1.0	0337	0651	-2.0	0951	1237	+1.3	1554	1859	-2.6	2242
22		0119	+0.9	0440	0748	-1.6	1030	1325	+1.2	1639	1949	-2.6	2350
23		0226	+0.8	0601	0923	-1.1	1116	1421	+1.1	1733	2054	-2.5
24	0123	0345	+0.8	0741	1045	-0.8	1216	1523	+1.0	1836	2224	-2.5
25	0254	0507	+1.0	0914	1157	-0.8	1334	1632	+1.0	1945	2358	-2.6
26	0403	0614	+1.1	1019	1303	-1.1	1507	1740	+1.0	2051
27		0110	-3.0	0500	0707	+1.3	1108	1401	-1.4	1628	1842	+1.1	2153
28		0208	-3.2	0549	0754	+1.5	1148	1453	-1.8	1733	1938	+1.2	2250
29		0300	-3.4	0633	0837	+1.6	1225	1540	-2.0	1829	2030	+1.3	2344
30		0347	-3.2	0714	0919	+1.6	1300	1625	-2.3	1920	2121	+1.3
31	0035	0433	-3.1	0751	0958	+1.5	1334	1707	-2.4	2008	2209	+1.2

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	September, 2008
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1	0125	0517	-2.8	0825	1035	+1.4	1407	1747	-2.4	2053	2256	+1.2
2	0214	0600	-2.4	0854	1112	+1.3	1440	1824	-2.3	2138	2342	+1.0
3	0306	0644	-2.0	0920	1148	+1.2	1515	1900	-2.2	2223
4		0030	+0.9	0401	0732	-1.6	0945	1226	+1.0	1551	1938	-1.9	2313
5		0125	+0.8	0508	0828	-1.1	1014	1307	+0.8	1631	2030	-1.7
6	0016	0234	+0.6	0641	0930	-0.7	1051	1355	+0.7	1720	2141	-1.4
7	0135	0358	+0.6	0826	1034	-0.5	1142	1453	+0.6	1819	2251	-1.6
8	0246	0513	+0.7	0937	1137	-0.5	1257	1559	+0.6	1927	2356	-1.7
9	0343	0608	+0.9	1025	1237	-0.7	1439	1708	+0.6	2030
10		0054	-2.0	0428	0648	+1.0	1100	1330	-1.0	1555	1807	+0.7	2123
11		0142	-2.3	0507	0722	+1.2	1127	1415	-1.3	1648	1855	+0.8	2210
12		0224	-2.5	0540	0752	+1.2	1147	1454	-1.7	1732	1938	+1.0	2254
13		0303	-2.8	0611	0821	+1.3	1206	1530	-1.9	1811	2021	+1.0	2336
14		0339	-2.8	0639	0853	+1.4	1227	1600	-2.3	1847	2104	+1.2
15	0019	0415	-2.8	0708	0928	+1.4	1252	1623	-2.5	1924	2147	+1.2
16	0103	0449	-2.6	0737	1004	+1.5	1321	1640	-2.9	2002	2231	+1.2
17	0149	0522	-2.4	0809	1043	+1.4	1354	1707	-3.1	2044	2318	+1.2
18	0240	0559	-2.2	0844	1124	+1.4	1431	1743	-3.2	2131
19		0008	+1.2	0336	0646	-1.8	0922	1208	+1.3	1513	1826	-3.2	2225
20		0104	+1.0	0442	0754	-1.3	1005	1258	+1.1	1602	1917	-3.0	2333
21		0211	+1.0	0605	0920	-1.0	1058	1355	+1.0	1659	2022	-2.6
22	0059	0327	+1.0	0743	1035	-0.8	1209	1502	+0.9	1808	2210	-2.4
23	0225	0444	+1.0	0901	1144	-1.0	1350	1616	+0.8	1926	2345	-2.4
24	0333	0549	+1.2	0954	1248	-1.3	1525	1729	+0.9	2042
25		0056	-2.6	0430	0641	+1.3	1035	1344	-1.8	1636	1834	+1.0	2149
26		0153	-2.8	0518	0726	+1.4	1111	1432	-2.3	1734	1930	+1.2	2248
27		0243	-2.8	0601	0807	+1.5	1145	1515	-2.5	1824	2021	+1.2	2343
28		0328	-2.6	0640	0846	+1.4	1217	1555	-2.6	1911	2110	+1.3
29	0034	0412	-2.5	0715	0924	+1.4	1249	1633	-2.8	1955	2156	+1.2
30	0123	0456	-2.3	0747	1000	+1.3	1320	1709	-2.6	2036	2241	+1.2

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	October, 2008
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1	0212	0540	-1.9	0814	1036	+1.2	1353	1743	-2.5	2116	2326	+1.1
2	0304	0626	-1.6	0841	1112	+1.0	1426	1813	-2.4	2156
3		0011	+1.0	0401	0715	-1.2	0910	1150	+0.9	1501	1838	-2.2	2239
4		0102	+0.9	0509	0810	-0.8	0945	1230	+0.8	1539	1910	-1.9	2329
5		0202	+0.8	0638	0911	-0.6	1028	1318	+0.6	1624	2046	-1.7
6	0032	0312	+0.8	0803	1013	-0.5	1126	1415	+0.5	1722	2212	-1.6
7	0140	0421	+0.8	0902	1113	-0.6	1252	1522	+0.4	1836	2318	-1.6
8	0240	0517	+0.9	0942	1209	-0.8	1436	1635	+0.5	1953
9		0016	-1.8	0329	0559	+1.0	1010	1259	-1.3	1545	1740	+0.6	2056
10		0106	-2.0	0409	0633	+1.1	1029	1342	-1.7	1635	1833	+0.8	2150
11		0151	-2.2	0445	0705	+1.2	1047	1418	-2.0	1716	1918	+1.0	2238
12		0231	-2.3	0517	0738	+1.3	1109	1449	-2.4	1754	2002	+1.1	2324
13		0309	-2.4	0549	0813	+1.4	1135	1514	-2.8	1831	2046	+1.2
14	0010	0347	-2.3	0622	0851	+1.4	1205	1533	-3.1	1910	2131	+1.3
15	0057	0427	-2.2	0657	0931	+1.4	1239	1600	-3.5	1950	2217	+1.3
16	0147	0510	-2.0	0735	1013	+1.4	1316	1636	-3.7	2035	2306	+1.4
17	0241	0557	-1.7	0815	1058	+1.3	1357	1717	-3.7	2124	2356	+1.3
18	0340	0653	-1.4	0859	1145	+1.2	1443	1804	-3.6	2219
19		0052	+1.2	0448	0801	-1.1	0951	1236	+1.0	1534	1857	-3.1	2322
20		0155	+1.2	0606	0913	-1.0	1054	1336	+0.9	1634	2005	-2.6
21	0033	0305	+1.1	0727	1022	-1.1	1221	1445	+0.8	1747	2201	-2.3
22	0147	0414	+1.2	0830	1127	-1.3	1407	1602	+0.8	1911	2324	-2.2
23	0253	0516	+1.2	0917	1228	-1.7	1529	1720	+0.8	2034
24		0032	-2.2	0350	0608	+1.3	0956	1321	-2.2	1633	1826	+1.0	2146
25		0129	-2.2	0439	0654	+1.4	1030	1407	-2.5	1727	1922	+1.1	2248
26		0219	-2.2	0522	0734	+1.4	1103	1447	-2.8	1815	2011	+1.2	2343
27		0304	-2.0	0600	0812	+1.3	1135	1525	-2.9	1859	2058	+1.2
28	0034	0349	-1.9	0634	0849	+1.2	1207	1601	-2.9	1941	2144	+1.2
29	0124	0435	-1.7	0705	0926	+1.2	1239	1636	-2.9	2020	2227	+1.2
30	0214	0521	-1.4	0735	1003	+1.1	1312	1710	-2.8	2058	2310	+1.2
31	0307	0609	-1.2	0806	1041	+1.0	1345	1740	-2.6	2136	2354	+1.1

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	November, 2008
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1	0404	0659	-1.1	0842	1119	+0.8	1420	1806	-2.4	2213
2		0039	+1.0	0407	0652	-0.8	0823	1101	+0.7	1358	1738	-2.3	2153
3		0028	+1.0	0516	0749	-0.7	0913	1147	+0.6	1441	1826	-1.9	2237
4		0121	+0.9	0620	0847	-0.7	1016	1243	+0.5	1535	2027	-1.7	2327
5		0216	+0.9	0709	0942	-0.8	1139	1347	+0.4	1646	2133	-1.6
6	0020	0307	+1.0	0741	1034	-1.1	1313	1458	+0.5	1809	2232	-1.6
7	0111	0354	+1.0	0804	1121	-1.4	1421	1608	+0.6	1925	2325	-1.7
8	0156	0436	+1.1	0825	1202	-1.9	1513	1708	+0.8	2028
9		0013	-1.8	0238	0516	+1.2	0849	1238	-2.4	1557	1758	+0.9	2123
10		0058	-1.8	0318	0556	+1.3	0918	1307	-2.9	1638	1844	+1.1	2214
11		0141	-1.8	0358	0637	+1.4	0950	1332	-3.2	1719	1931	+1.2	2305
12		0224	-1.8	0439	0719	+1.4	1026	1359	-3.6	1801	2018	+1.4	2356
13		0311	-1.7	0522	0803	+1.4	1106	1434	-4.0	1846	2106	+1.4
14	0049	0402	-1.6	0607	0849	+1.4	1148	1516	-4.0	1933	2155	+1.4
15	0144	0456	-1.4	0655	0937	+1.3	1233	1602	-4.0	2022	2246	+1.4
16	0243	0553	-1.3	0748	1026	+1.2	1322	1652	-3.6	2113	2339	+1.4
17	0345	0654	-1.2	0848	1120	+1.0	1415	1748	-3.2	2206
18		0035	+1.3	0449	0758	-1.2	1001	1220	+0.8	1516	1904	-2.6	2302
19		0135	+1.2	0551	0901	-1.3	1131	1328	+0.7	1629	2043	-2.2
20	0002	0236	+1.2	0646	1001	-1.6	1304	1446	+0.7	1757	2156	-1.8
21	0103	0336	+1.2	0732	1059	-1.9	1421	1607	+0.8	1927	2301	-1.7
22	0159	0430	+1.2	0813	1152	-2.3	1524	1716	+0.9	2044	2359	-1.6
23	0250	0517	+1.2	0849	1238	-2.5	1616	1811	+1.0	2149
24		0052	-1.4	0334	0600	+1.2	0923	1319	-2.8	1703	1900	+1.1	2245
25		0139	-1.4	0414	0639	+1.2	0957	1357	-2.9	1746	1946	+1.2	2337
26		0226	-1.3	0450	0717	+1.1	1031	1435	-3.0	1826	2030	+1.2
27	0026	0314	-1.2	0525	0755	+1.0	1104	1513	-3.0	1904	2113	+1.2
28	0116	0403	-1.2	0601	0834	+1.0	1139	1550	-3.0	1940	2153	+1.2
29	0206	0451	-1.1	0640	0914	+0.9	1214	1627	-2.9	2015	2232	+1.2
30	0255	0540	-1.0	0722	0954	+0.8	1250	1700	-2.8	2048	2311	+1.2

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	December, 2008
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1	0344	0630	-1.0	0808	1036	+0.8	1329	1729	-2.5	2121	2351	+1.2
2	0429	0720	-0.8	0859	1122	+0.6	1412	1805	-2.3	2154
3		0033	+1.1	0511	0812	-1.0	0957	1213	+0.6	1502	1914	-1.9	2230
4		0118	+1.1	0547	0901	-1.1	1106	1313	+0.5	1606	2041	-1.7	2311
5		0205	+1.0	0619	0949	-1.3	1229	1421	+0.5	1727	2144	-1.4	2355
6		0254	+1.1	0650	1034	-1.7	1344	1533	+0.6	1853	2241	-1.3
7	0044	0343	+1.1	0723	1115	-2.0	1444	1641	+0.7	2007	2336	-1.3
8	0134	0431	+1.2	0758	1153	-2.5	1536	1738	+0.9	2111
9		0028	-1.3	0224	0519	+1.2	0835	1228	-3.0	1623	1829	+1.1	2209
10		0117	-1.4	0313	0606	+1.3	0915	1303	-3.5	1710	1918	+1.3	2303
11		0207	-1.4	0404	0653	+1.3	0958	1341	-3.8	1756	2007	+1.4	2356
12		0259	-1.4	0457	0741	+1.3	1043	1423	-4.1	1842	2055	+1.5
13	0049	0353	-1.4	0551	0831	+1.3	1129	1511	-4.1	1929	2143	+1.6
14	0141	0448	-1.4	0648	0921	+1.2	1218	1602	-4.0	2014	2231	+1.6
15	0232	0542	-1.4	0747	1012	+1.2	1309	1656	-3.6	2059	2319	+1.5
16	0323	0637	-1.6	0851	1106	+1.0	1403	1754	-3.1	2143
17		0008	+1.4	0413	0734	-1.6	1002	1204	+0.8	1504	1904	-2.5	2227
18		0100	+1.3	0504	0831	-1.7	1122	1310	+0.7	1615	2018	-1.9	2312
19		0154	+1.2	0554	0927	-1.8	1247	1427	+0.6	1742	2125	-1.4
20	0000	0250	+1.1	0643	1023	-1.9	1403	1551	+0.7	1918	2228	-1.2
21	0053	0346	+1.0	0728	1118	-2.2	1508	1702	+0.8	2044	2329	-1.0
22	0148	0438	+1.0	0809	1209	-2.4	1602	1759	+1.0	2151
23		0025	-1.0	0240	0525	+1.0	0848	1254	-2.6	1648	1848	+1.1	2247
24		0117	-1.0	0328	0608	+1.0	0925	1336	-2.8	1730	1932	+1.2	2336
25		0206	-1.0	0414	0649	+1.0	1002	1416	-2.9	1808	2014	+1.2
26	0022	0254	-1.1	0457	0729	+1.0	1038	1457	-3.0	1844	2053	+1.3
27	0106	0343	-1.1	0541	0809	+1.0	1115	1537	-3.1	1918	2130	+1.3
28	0146	0430	-1.1	0624	0851	+0.9	1152	1616	-3.1	1949	2204	+1.3
29	0223	0515	-1.2	0707	0932	+0.9	1230	1652	-3.0	2018	2238	+1.3
30	0255	0559	-1.2	0752	1014	+0.8	1310	1723	-2.8	2046
31		0023	+1.3	0324	0641	-1.2	0856	1208	+0.8	1352	1748	-2.5	2132

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.