Philadelphia, PA - Station ID: 8545240

Established:Feb 28, 1989
Time Meridian:0° E
Present Installation:Sep 07, 1989
Date Removed:N/A
Water Level Max (ref MHHW):3.94 ft. Oct 30, 2012
Water Level Min (ref MLLW):-6.82 ft. Dec 31, 1962
Mean Range:6.1 ft.
Diurnal Range:6.69 ft.
Latitude39° 56' N
Longitude75° 8.5' W
NOAA Chart#:12313
Met Site Elevation:11.6 ft. above MSL
Today's Tides (LST/LDT)
graphical depiction of low tide
9:40 AM
4:01 AMlow 0.6 ft.
9:40 AMhigh 6.0 ft.
4:11 PMlow 0.7 ft.
10:02 PMhigh 6.6 ft.

Sensor Information

SensorSensor IDDCP#Sensor HeightStatus
Acoustic WLA11N/A Enabled
Air TemperatureD116.7 ft. above site Elevation Enabled
Water TemperatureE117.2 ft. below MLLW Enabled
Barometric PressureF1117.4 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 the toll plaza at the west end of the Walt Whitman Bridge, proceed 0.2 km (0.1 mi) west to exit 47, bear to the right and follow signs to Front Street. Turn right and proceed 0.5 km (0.3 mi) north on Front Street to Oregon Avenue, turn right and continue 1.1 km (0.7 mi) east on Oregon Street to Christopher Columbus Avenue. Turn left on Christopher Columbus Avenue and proceed 2.7 km (1.7 mi) north to Washington Avenue, then turn right and continue to the US Coast Guard Marine Safety Office visitors parking lot. The bench marks are located on the USCG property, along Christopher Columbus Avenue, and along Arch Street. The tide house is located along the bulkhead at the SE corner of the USCG MSO facility.

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