Port Alexander, AK - Station ID: 9451054

Established:Apr 10, 1924
Time Meridian:135° W
Present Installation:Aug 03, 2007
Date Removed:N/A
Water Level Max (ref MHHW):4.00 ft. Dec 23, 2007
Water Level Min (ref MLLW):-4.29 ft. Dec 14, 2008
Mean Range:8.63 ft.
Diurnal Range:10.92 ft.
Latitude56° 14.8' N
Longitude134° 38.8' W
NOAA Chart#:17331
Met Site Elevation:12.4 ft. above MSL
Today's Tides (LST/LDT)
graphical depiction of low tide
1:47 AM
12:41 AMlow 2.4 ft.
6:39 AMhigh 7.0 ft.
12:16 PMlow 3.3 ft.
6:54 PMhigh 9.1 ft.

Sensor Information

SensorSensor IDDCP#Sensor HeightStatus
WindC1128.0 ft. above site Elevation Enabled
Air TemperatureD1125.9 ft. above site Elevation Enabled
Water TemperatureE116.4 ft. below MLLW Disabled - Jun 4 2020 2:42PM, RESTART
Barometric PressureF1118.3 ft. above MSL Enabled
Pressure WLN11N/A Enabled
Tsunami WLU11N/A Enabled
For questions about disabled sensors, please contact CO-OPS User Services.


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How to reach: From the seaplane base at Sitka, Alaska, proceed 120 km (65 nm) SSE to the community of Port Alexander. From the seaplane float located on the east side of the outer cove, proceed 120 m (400 ft) up the state dock towards the boardwalk. The tide house is located at the base of the fixed pier at the start of the boardwalk. The bench marks are located along the shoreline of the inner cove and out to the point forming the entrance to Port Alexander.

Products available at 9451054 Port Alexander, AK