Portland, ME - Station ID: 8418150

Established:Mar 04, 1910
Time Meridian:0° E
Present Installation:Sep 12, 1990
Date Removed:N/A
Water Level Max (ref MHHW):4.22 ft. Feb 07, 1978
Water Level Min (ref MLLW):-3.45 ft. Nov 30, 1955
Mean Range:9.12 ft.
Diurnal Range:9.9 ft.
Latitude43° 39.5' N
Longitude70° 14.7' W
NOAA Chart#:13292
Met Site Elevation:12.7 ft. above MSL
Today's Tides (LST/LDT)
graphical depiction of low tide
5:27 PM
5:04 AMhigh 8.2 ft.
11:05 AMlow 1.5 ft.
5:27 PMhigh 8.8 ft.
11:44 PMlow 1.5 ft.

Sensor Information

SensorSensor IDDCP#Sensor HeightStatus
Air TemperatureD117.4 ft. above site Elevation Enabled
Water TemperatureE118.1 ft. below MLLW Enabled
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 north bound Interstate 295 in Portland, take the Waterfront Exit (Alt. U.S. 1) to Commercial Street, then continue NE along Commercial Street for 2.4 km (1.5 mi) to the Maine State Pier, the last pier- warehouse along the waterfront. The bench marks are located within 1.6 km (1 mi) radius of tide station. The tide gage is located in the south corner on the off shore end of the Maine State Pier.

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