Seavey Island, ME - Station ID: 8419870

Established:Aug 26, 1926
Time Meridian:0° E
Present Installation:May 12, 1998
Date Removed:N/A
Water Level Max (ref MHHW):3.68 ft. Feb 07, 1978
Water Level Min (ref MLLW):-3.35 ft. Nov 30, 1955
Mean Range:8.11 ft.
Diurnal Range:8.84 ft.
Latitude43° 4.8' N
Longitude70° 44.5' W
NOAA Chart#:13283
Met Site Elevation:N/A
Today's Tides (LST/LDT)
graphical depiction of low tide
9:04 AM
2:42 AMlow 0.4 ft.
9:04 AMhigh 7.9 ft.
2:59 PMlow 1.1 ft.
9:20 PMhigh 8.7 ft.

Sensor Information

SensorSensor IDDCP#Sensor HeightStatus
Tsunami WLU11N/A Enabled
Microwave WLY11N/A Enabled
For questions about disabled sensors, please contact CO-OPS User Services.


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How to reach: To reach the tidal bench marks from Interstate 95 heading north, take Exit 1 (State Highway 103) which is 1.0 km (0.6 mi) north of the Maine state line, and continue on State Highway 103 for 2.3 km (1.4 mi) to the main gate of Portsmouth Naval Shipyard. The bench marks are located on the shipyard compound. The tide gage and staff are located at Berth 3. Access to Portsmouth Naval Shipyard is restricted to authorized personnel only.

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