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Boston, MA - Station ID: 8443970

Established:May 03, 1921
Time Meridian:0° E
Present Installation:Nov 16, 1988
Date Removed:N/A
Water Level Max (ref MHHW):4.89 ft. Jan 04, 2018
Water Level Min (ref MLLW):-3.72 ft. Mar 24, 1940
Mean Range:9.49 ft.
Diurnal Range:10.27 ft.
Latitude42° 21.2' N
Longitude71° 3' W
NOAA Chart#:13272
Met Site Elevation:11.1 ft. above MSL
Today's Tides (LST)
graphical depiction of low tide
7:08 AM
12:48 AMlow 1.2 ft.
7:08 AMhigh 9.0 ft.
1:15 PMlow 1.5 ft.
7:26 PMhigh 9.0 ft.

Sensor Information

SensorSensor IDDCP#Sensor HeightStatus
Air TemperatureD110.0 ft. above site Elevation Enabled
Barometric PressureF1131.3 ft. above MSL 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 lane of U.S. Interstate Highway 93 and the Atlantic and Northern Avenues exits in Boston, proceed to the U.S. Coast Guard Building at the intersection of Atlantic and Northern Avenues. The bench marks are in the vicinity of the U.S. Coast Guard Building, U.S. Custom House, U.S. Post Office and at the intersection of Purchase and High Streets. The tide station is located on the right side of the U.S. Coast Guard Building adjacent to Northern Avenue Bridge.

Products available at 8443970 Boston, MA

Revised: 08/08/2018
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services