Washington D.C., DC - Station ID: 8594900

Established:Nov 10, 1924
Time Meridian:75° W
Present Installation:Feb 22, 1995
Date Removed:N/A
Water Level Max (ref MHHW):7.88 ft. Oct 17, 1942
Water Level Min (ref MLLW):-5.05 ft. Feb 26, 1967
Mean Range:2.79 ft.
Diurnal Range:3.17 ft.
Latitude38° 52.4' N
Longitude77° 1.3' W
NOAA Chart#:12289
Met Site Elevation:7.1 ft. above MSL
Today's Tides (LST/LDT)
graphical depiction of low tide
12:42 AM
5:20 AMhigh 3.1 ft.
12:31 PMlow 0.5 ft.
5:59 PMhigh 3.0 ft.

Sensor Information

SensorSensor IDDCP#Sensor HeightStatus
Acoustic WLA11N/A Enabled
WindC1129.4 ft. above site Elevation Enabled
Air TemperatureD118.6 ft. above site Elevation Enabled
Water TemperatureE119 ft. below MLLW Enabled
Barometric PressureF1111.0 ft. above MSL Enabled
Tsunami WLU11N/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 where I-395 northbound splits, travel 1.0 km (0.7 mi) along I-395 northbound to the Maine Avenue S.W. exit. Take the Maine Avenue SW exit road for 0.3 km (0.2 mi) until it dead ends into Water Street S.W. Turn SE onto Water Street, S.W. and proceed to the end of Water Street to the Police and Fire Harbor Patrol Office at Pier 5. The bench marks are located along Water Street, Maine Avenue, and Pier 5. The tide station is located at the SW end of the pier.

Products available at 8594900 Washington D.C., DC