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Tidal Station Locations and Ranges
PANAMA Mean Spring Mean Tide 
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Bahia Pina 7° 34' 78° 11' 10.5 13.7 6.8
Predictions Punta Garachine 8° 5' 78° 25' 10.9 14.2 7.0
Predictions Isla del Rey 8° 18' 78° 54' 10.7 13.9 6.9
Predictions Rio Chepo 8° 59' 79° 7' 12.5 16.2 8.1
Predictions BALBOA 8° 57' 79° 34' 12.6 16.4 8.2
Predictions Naos Island 8° 55' 79° 32' 12.4 15.6 7.8
Predictions Taboga 8° 48' 79° 33' 12.5 16.2 8.1
Predictions Bahia de Chame 8° 41' 79° 45' 12.5 16.2 8.1
Predictions Punta Mala 7° 28' 80° 0' 8.1 10.5 5.2
Predictions Isla Cebaco 7° 31' 81° 13' 8.3 10.8 5.3
Predictions Bahia Honda 7° 46' 81° 31' 8.3 10.8 5.3
Predictions Isla Parida 8° 8' 82° 19' 8.2 10.0 5.0
Baja California Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions San Carlos 24° 47' 112°7' 4.3 5.6 2.9
Predictions Isla Guadalupe 28° 53' 116°18' 3.2 4.6 2.3
Predictions Ensenada, Todos Santos Bay 31° 51' 116°38' 3.8 5.3 2.7
CALIFORNIA Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Imperial Beach 32° 34.7' 117°08.1' 3.74 5.37 2.75
Predictions Point Loma 32° 40' 117°14' 3.7 5.3 2.8
Predictions San Diego, Quarantine Station 32° 42' 117°14' 3.9 5.6 2.9
Predictions SAN DIEGO (Broadway) 32° 42.8' 117°10.4' 4.05 5.73 2.96
Predictions National City, San Diego Bay 32° 40' 117°7' 4.3 5.9 3.0
Predictions Quivira Basin, Mission Bay 32° 46' 117°14' 3.8 5.4 2.8
Predictions Crown Point, Mission Bay 32° 46.8' 117°14.1' 3.9 5.5 2.8
Predictions La Jolla (Scripps Institution Wharf) 32° 52.0' 117°15.5' 3.70 5.33 2.75
Predictions San Clemente 33° 25' 117°37' 3.7 5.3 2.7
San Pedro Channel Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Newport Bay Entrance, Corona del Mar 33° 36.2' 117°53.0' 3.76 5.41 2.77
Predictions Balboa Pier, Newport Beach 33° 35.9' 117°54.0' 3.65 5.33 2.74
Predictions Santa Ana River entrance (inside) 33° 38' 117°57' 2.4 3.3 1.4
Predictions Los Patos (highway bridge) 33° 43' 118°3' 3.4 4.7 2.3
Predictions Long Beach, Terminal Island 33° 45.1' 118°13.7' 3.9 5.6 2.9
Predictions Long Beach, Inner Harbor 33° 46.3' 118°12.6' 3.7 5.3 2.7
Predictions Cabrillo Beach 33° 42.4' 118°16.4' 3.81 5.48 2.82
Predictions LOS ANGELES (Outer Harbor) 33° 43.2' 118°16.3' 3.81 5.49 2.85
Predictions Los Angeles Harbor, Mormon Island 33° 45' 118°16' 3.8 5.4 2.8
Predictions King Harbor, Santa Monica Bay 33° 50.8' 118°23.9' 3.64 5.32 2.76
Predictions El Segundo, Santa Monica Bay 33° 55' 118°26' 3.7 5.3 2.7
Predictions Santa Monica, Municipal Pier 34° 00.5' 118°30.0' 3.76 5.43 2.81
Santa Barbara Channel Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Mugu Lagoon (ocean pier) 34° 6' 119°6' 3.7 5.3 2.7
Predictions Port Hueneme 34° 9' 119°12' 3.7 5.4 2.8
Predictions Ventura 34° 16' 119°17' 3.7 5.4 2.8
Predictions Rincon Island, Mussel Shoals 34° 20.9' 119°26.6' 3.72 5.46 2.83
Predictions Santa Barbara 34° 24.5' 119°41.1' 3.66 5.39 2.79
Predictions Gaviota 34° 28' 120°13' 3.6 5.3 2.8
Santa Barbara Islands Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Wilson Cove, San Clemente Island 33° 0' 118°33' 3.6 5.2 2.7
Predictions Catalina Harbor, Santa Catalina Island 33° 26' 118°30' 3.6 5.2 2.7
Predictions Avalon, Santa Catalina Island 33° 21' 118°19' 3.7 5.3 2.7
Predictions Santa Barbara Island 33° 29' 119°2' 3.5 5.1 2.6
Predictions San Nicolas Island 33° 16' 119°30' 3.3 4.9 2.5
Predictions Prisoners Harbor, Santa Cruz Island 34° 1' 119°41' 3.4 5.0 2.6
Predictions Bechers Bay, Santa Rosa Island 34° 00.5' 120°02.8' 3.45 5.14 2.69
Predictions Cuyler Harbor, San Miguel Island 34° 3' 120°21' 3.5 5.2 2.7
Outer Coast Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Point Arguello 34° 35' 120°39' 3.5 5.2 2.7
Predictions PORT SAN LUIS 35° 10.1' 120°45.1' 3.58 5.33 2.83
Predictions San Simeon 35° 38' 121°11' 3.6 5.3 2.8
Predictions Carmel Cove, Carmel Bay 36° 31' 121°56' 3.5 5.2 2.8
Monterey Bay
Predictions MONTEREY, MONTEREY BAY 36° 36.3' 121°53.3' 3.54 5.34 2.86
Predictions General Fish Company Pier 36° 48.1' 121°47.2' 3.56 5.31 2.84
Predictions Moss Landing, Ocean Pier 36° 48' 121°47' 3.5 5.2 2.8
Predictions Elkhorn Yacht Club 36° 48.8' 121°47.2' 3.52 5.27 2.82
Predictions Elkhorn Slough, Highway 1 Bridge 36° 48.6' 121°47.1' 3.5 5.2 2.8
Predictions Pacific Mariculture Dock 36° 49' 121°46' 3.6 5.4 2.9
Predictions Elkhorn, Elkhorn Slough 36° 49.1' 121°44.8' 3.54 5.32 2.85
Predictions Kirby Park, Elkhorn Slough 36° 50' 121°45' 3.7 5.5 2.9
Predictions Elkhorn Slough railroad bridge 36° 51.4' 121°45.3' 3.74 5.52 2.94
Predictions Santa Cruz, Monterey Bay 36° 58' 122°1' 3.5 5.3 2.8
Predictions Ano Nuevo Island 37° 6' 122°20' 3.5 5.2 2.7
Predictions Princeton, Half Moon Bay 37° 30' 122°29' 3.8 5.5 3.0
Predictions Southeast Farallon Island 37° 42' 123°0' 3.8 5.6 3.0
Predictions San Francisco Bar 37° 46' 122°38' 3.9 5.6 3.0
Predictions Ocean Beach, outer coast 37° 46' 122°31' 4.2 6.0 3.2
San Francisco Bay Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Point Bonita, Bonita Cove 37° 49' 122°32' 4.3 6.0 3.3
Predictions SAN FRANCISCO (Golden Gate) 37° 48.4' 122°27.9' 4.10 5.84 3.18
Predictions Alcatraz Island 37° 50' 122°25' 4.1 5.8 3.1
Predictions San Francisco, North Point, Pier 41 37° 49' 122°25' 4.3 6.1 3.3
Predictions Rincon Point, Pier 22 1/2 37° 47' 122°23' 4.6 6.3 3.4
Predictions Yerba Buena Island 37° 48.6' 122°21.6' 4.43 6.16 3.34
Predictions Oakland, Matson Wharf 37° 49' 122°20' 4.4 6.2 3.3
Predictions Oakland Middle Harbor 37° 48.3' 122°20.3' 4.52 6.22 3.36
Predictions Oakland Pier 37° 48' 122°20' 4.3 6.0 3.2
Predictions Oakland Inner Harbor 37° 47.7' 122°16.9' 4.71 6.45 3.49
Predictions Alameda Naval Air Station 37° 47.6' 122°18.9' 4.65 6.40 3.46
Predictions Alameda 37° 46.3' 122°17.9' 4.84 6.60 3.55
Predictions Oakland Harbor, Grove Street 37° 48' 122°17' 4.5 6.2 3.3
Predictions Oakland Harbor, Park Street Bridge 37° 46.3' 122°14.1' 4.80 6.55 3.51
Predictions San Leandro Channel, San Leandro Bay 37° 44.9' 122°14.1' 4.98 6.69 3.60
Predictions Oakland Airport 37° 43.9' 122°12.5' 4.95 6.65 3.56
Predictions Potrero Point 37° 46' 122°23' 4.6 6.3 3.4
Predictions Hunters Point 37° 44' 122°21' 5.0 6.7 3.6
Predictions San Leandro Marina 37° 41.7' 122°11.5' 5.55 7.31 3.92
Predictions Roberts Landing, 1.3 miles west of 37° 40' 122°12' 5.4 7.2 3.9
Predictions South San Francisco 37° 40' 122°23' 5.3 7.0 3.8
Predictions Oyster Point Marina 37° 39.9' 122°22.6' 5.30 7.06 3.78
Predictions Point San Bruno 37° 39' 122°23' 5.1 6.9 3.7
Predictions Seaplane Harbor 37° 38' 122°23' 5.4 7.2 3.9
Predictions Coyote Point Marina 37° 35.5' 122°18.8' 5.61 7.37 3.94
Predictions San Mateo Bridge (west end) 37° 34.8' 122°15.2' 5.90 7.72 4.11
Predictions San Mateo Bridge (east end) 37° 36' 122°11' 5.9 7.7 4.1
Predictions Alameda Creek 37° 35.7' 122°08.7' 5.20 6.12 2.91
Predictions Coyote Hills Slough entrance 37° 33.8' 122°07.7' 5.63 6.74 3.33
Predictions Bay Slough, west end 37° 33.1' 122°14.6' 5.91 7.66 4.09
Predictions Bay Slough, east end 37° 32.7' 122°13.3' 5.79 7.28 3.77
Predictions Redwood Creek Marker 8 37° 32' 122°12' 6.2 8.0 4.3
Predictions Redwood Creek entrance (inside) 37° 31' 122°12' 6.1 7.9 4.2
Predictions South Bay Wreck 37° 33' 122°10' 6.2 8.0 4.3
Predictions Corkscrew Slough 37° 30' 122°13' 6.2 8.0 4.3
Predictions Redwood City, Wharf 5 37° 30.4' 122°12.6' 6.39 8.22 4.41
Predictions West Point Slough 37° 30.3' 122°11.5' 6.33 8.14 4.34
Predictions Smith Slough 37° 30' 122°14' 6.2 7.9 4.2
Predictions Newark Slough 37° 31' 122°5' 6.6 8.4 4.2
Predictions Dumbarton Highway Bridge 37° 30.4' 122°06.9' 6.68 8.51 4.57
Predictions Granite Rock, Redwood Creek 37° 29.7' 122°12.8' 6.28 8.08 4.32
Predictions Palo Alto Yacht Harbor 37° 27.5' 122°06.3' 6.22 7.62 3.88
Predictions Mowry Slough 37° 30' 122°2' 6.7 8.4 4.4
Predictions Calaveras Point, west of 37° 28' 122°4' 6.8 8.5 4.6
Predictions Upper Guadalupe Slough 37° 26.1' 122°00.4' 7.40 9.29 4.98
Predictions Coyote Creek, Alviso Slough 37° 27.8' 122°01.4' 7.18 9.00 4.83
Predictions Gold Street Bridge, Alviso Slough 37° 25.4' 121°58.5' 7.62 9.28 4.90
Predictions Coyote Creek, Tributary no.1 37° 27' 121°58' 7.0 8.4 4.3
Predictions Sausalito 37° 50.8' 122°28.6' 3.95 5.69 3.12
Predictions Sausalito, Corps of Engineers Dock 37° 51.9' 122°29.6' 4.01 5.73 3.13
Predictions Angel Island (west side) 37° 52' 122°27' 3.9 5.6 3.0
Predictions Angel Island, East Garrison 37° 51.8' 122°25.1' 4.16 5.92 3.25
Predictions Point Chauncey 37° 53.5' 122°26.6' 4.05 5.72 3.10
Predictions Berkeley 37° 52' 122°18' 4.2 5.9 3.2
Predictions Point Isabel 37° 54' 122°19' 4.2 5.9 3.2
Predictions Richmond Inner Harbor 37° 54.6' 122°21.5' 4.30 6.04 3.27
Predictions Chevron Oil Company Pier, Richmond 37° 55.7' 122°24.0' 4.32 6.05 3.25
Predictions Point Orient 37° 57.5' 122°25.5' 4.28 5.98 3.24
Predictions Corte Madera Creek 37° 56.6' 122°30.8' 4.12 5.80 3.14
Predictions Point San Quentin 37° 56.7' 122°28.4' 4.11 5.78 3.12
San Pablo Bay Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Point San Pedro 37° 59.6' 122°26.8' 4.22 5.87 3.16
Predictions Pinole Point 38° 1' 122°22' 4.4 6.0 3.2
Predictions Hercules, Refugio Landing 38° 01.4' 122°17.5' 4.52 6.08 3.23
Predictions Petaluma River entrance 38° 06.7' 122°29.9' 4.55 6.13 3.28
Predictions Lakeville, Petaluma River 38° 12' 122°34' 4.9 6.3 3.4
Predictions Upper drawbridge, Petaluma River 38° 13.7' 122°36.8' 5.10 6.59 3.47
Predictions Gallinas, Gallinas Creek 38° 00.9' 122°30.2' 4.30 5.92 3.16
Predictions Hog Island, San Antonio Creek 38° 09.4' 122°33.0' 4.68 6.08 3.23
Predictions Sonoma Creek 38° 09.4' 122°24.4' 4.21 5.56 2.88
Predictions Wingo, Sonoma Creek 38° 13' 122°26' 4.5 5.9 3.1
Carquinez Strait Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Mare Island 38° 04.2' 122°15.0' 4.34 5.86 3.12
Predictions Vallejo, Mare Island Strait 38° 06.7' 122°16.4' 4.41 5.92 3.15
Predictions Edgerley Island, Napa River 38° 11.6' 122°18.8' 4.69 6.13 3.20
Predictions Brazos Drawbridge, Napa River 38° 12.5' 122°18.2' 4.98 6.50 3.46
Predictions Napa, Napa River 38° 17.9' 122°16.8' 5.35 6.86 3.71
Predictions Selby 38° 3' 122°15' 4.7 6.3 3.4
Predictions Crockett 38° 03.5' 122°13.4' 4.40 5.94 3.17
Predictions Benicia 38° 02.6' 122°07.8' 3.93 5.33 2.93
Predictions Suisun Point 38° 02.1' 122°07.4' 3.84 5.16 2.73
Suisun Bay Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Suisun Slough entrance 38° 07.3' 122°04.4' 3.53 4.72 2.45
Predictions Pierce Harbor, Goodyear Slough 38° 07.6' 122°06.0' 3.72 4.92 2.57
Predictions Joice Island, Suisun Slough 38° 10.8' 122°02.7' 3.97 5.21 2.73
Predictions Suisun City, Suisun Slough 38° 14.2' 122°01.8' 4.17 5.40 2.82
Predictions PORT CHICAGO, SUISUN BAY 38° 03.4' 122°02.3' 3.67 4.91 2.57
Predictions Montezuma Slough Bridge 38° 11.2' 121°58.8' 3.71 4.91 2.56
Predictions Bradmoor Island, Nurse Slough 38° 11.0' 121°55.4' 3.92 5.17 2.69
Predictions Meins Landing, Montezuma Slough 38° 08.2' 121°54.4' 3.70 4.90 2.54
Predictions Montezuma Slough 38° 04.6' 121°53.1' 3.06 4.15 2.14
Predictions Point Buckler 38° 06.0' 122°01.0' 4.10 5.50 2.80
Predictions Mallard Island Ferry Wharf 38° 02.6' 121°55.1' 3.01 4.10 2.10
Predictions Pittsburg, New York Slough 38° 02.1' 121°52.8' 3.02 4.14 2.13
San Joaquin River Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Antioch 38° 01.2' 121°48.9' 2.82 3.88 2.03
Predictions Threemile Slough entrance 38° 05.0' 121°41.0' 2.60 3.60 1.80
Predictions Prisoners Point 38° 03.7' 121°33.3' 2.71 3.66 1.86
Predictions Wards Island, Little Connection Slough 38° 03.0' 121°29.8' 2.50 3.37 1.70
Predictions Blackslough Landing 37° 59.7' 121°25.3' 2.82 3.73 1.87
Predictions Stockton 37° 57.5' 121°17.4' 3.06 3.98 2.02
Mokelumne River
Predictions Georgiana Slough entrance 38° 07.6' 121°34.7' 2.46 3.34 1.67
Predictions Terminous, South Fork 38° 06.6' 121°29.9' 2.62 3.50 1.75
Predictions New Hope Bridge 38° 14.0' 121°29.0' 2.70 3.60 1.80
Predictions Bishop Cut, Disappointment Slough 38° 02.6' 121°25.1' 2.94 3.86 1.96
Predictions False River 38° 03.3' 121°39.3' 2.40 3.31 1.67
Predictions Davis Slough 38° 00.7' 121°38.3' 2.46 3.45 1.76
Predictions Irish Landing, Sand Mound Slough 38° 02.0' 121°35.0' 2.70 3.60 1.80
Predictions Orwood, Old River 37° 56.0' 121°34.0' 2.80 3.70 1.90
Predictions Holt, Whiskey Slough 37° 56.0' 121°26.0' 3.00 3.90 2.00
Predictions Borden Highway Bridge, Old River 37° 53.4' 121°34.2' 2.33 3.18 1.61
Predictions Borden Highway Bridge, Middle River 37° 53.5' 121°29.3' 2.51 3.37 1.72
Predictions Borden Highway Bridge, San Joaquin River 37° 56.2' 121°20.0' 2.95 3.85 1.95
Predictions Grant Line Canal (drawbridge) 37° 49.0' 121°27.0' 2.80 3.70 1.90
Sacramento River Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Collinsville 38° 04.4' 121°50.9' 2.89 3.96 2.03
Predictions Threemile Slough 38° 06.4' 121°42.0' 3.01 4.05 2.08
Predictions Rio Vista 38° 08.8' 121°41.4' 3.25 4.31 2.20
Predictions Steamboat Slough, Snug Harbor Marina 38° 12.0' 121°36.7' 3.02 3.96 1.99
Predictions Snodgrass Slough 38° 16.5' 121°29.2' 1.83 2.48 1.21
Predictions Clarksburg 38° 25.0' 121°31.0' 2.30 2.90 1.40
Predictions Sacramento 38° 35.0' 121°30.0' 2.30 2.90 1.40
Outer Coast Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Bolinas Lagoon 37° 54.6' 122°40.9' 2.98 4.30 2.19
Predictions Point Reyes 37° 59.8' 122°58.5' 3.91 5.77 3.14
Predictions Tomales Bay entrance 38° 14' 122°59' 3.5 5.2 2.7
Predictions Blakes Landing, Tomales Bay 38° 11.4' 122°55.0' 3.63 5.22 2.70
Predictions Marshall, Tomales Bay 38° 10' 122°54' 3.6 5.4 2.8
Predictions Reynolds, Tomales Bay 38° 08.8' 122°53.0' 3.73 5.41 2.82
Predictions Inverness, Tomales Bay 38° 6' 122°51' 3.7 5.3 2.8
Predictions Bodega Harbor entrance 38° 18' 123°3' 3.8 5.7 3.1
Predictions Fort Ross 38° 31' 123°15' 3.9 5.7 3.0
Predictions ARENA COVE 38° 54.8' 123°42.5' 4.05 5.88 3.19
Predictions Point Arena 38° 57' 123°44' 4.0 5.8 3.1
Predictions Mendocino, Mendocino Bay 39° 18' 123°48' 4.0 5.8 3.1
Predictions Fort Bragg Landing 39° 27' 123°49' 4.1 5.8 3.1
Predictions Noyo River 39° 25' 123°48' 4.1 6.0 3.2
Predictions Westport 39° 38' 123°47' 4.0 5.8 3.1
Predictions Shelter Cove 40° 2' 124°4' 4.2 6.0 3.3
Humboldt Bay
Predictions HUMBOLDT BAY (North Spit) 40° 46.0' 124°13.0' 4.89 6.86 3.70
Predictions Fields Landing 40° 43.4' 124°13.3' 4.92 6.85 3.69
Predictions Hookton Slough 40° 41.2' 124°13.3' 4.98 6.94 3.72
Predictions Elk River Railroad Bridge 40° 45.4' 124°11.6' 4.01 5.10 2.39
Predictions Bucksport 40° 46.7' 124°11.8' 4.98 6.97 3.75
Predictions Eureka 40° 48.4' 124°10.0' 5.33 7.32 3.94
Predictions Eureka Slough Bridge 40° 48.4' 124°08.5' 5.37 7.40 3.97
Predictions Samoa 40° 49.6' 124°10.8' 5.31 7.34 3.96
Predictions Arcata Wharf 40° 51' 124°7' 5.0 7.0 3.8
Predictions Mad River Slough, Arcata Bay 40° 51.9' 124°08.9' 5.56 7.63 4.13
Predictions Trinidad Harbor 41° 03.4' 124°08.8' 4.83 6.73 3.63
Predictions CRESCENT CITY 41° 44.7' 124°11.0' 4.99 6.87 3.74
Revised: 3 November 2008