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Boston, MA - Station ID: 8443970

Established:May 3 1921
Time Meridian:75° W
Present Installation:
Date Removed:N/A
Water Level Max (ref MHHW): 4.82 ft. (02/07/1978)
Water Level Min (ref MLLW): -3.72 ft. (03/24/1940)
Mean Range: 9.49 ft.
Diurnal Range: 10.27 ft.
Latitude42° 21.2' N
Longitude71° 3.2' W
NOAA Chart#:13272
Met Site Elevation:11.1 ft. above MSL
Today's Tides (LST/LDT)
graphical depiction of low tide
9:28 AM
3:16 AMhigh9.5 ft.
9:28 AMlow0.6 ft.
3:41 PMhigh9.6 ft.
9:52 PMlow1.0 ft.

Sensor Information

SensorSensor IDDCP#Sensor HeightStatus
Water LevelA11N/A Enabled
Air TempD1115.7 ft. above site elevation Enabled
Water TempE114.4 ft. below MLLW Enabled
Air PressureF1119.4 ft. above MSL Enabled
For questions about disabled sensors, please contact CO-OPS User Services.


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: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services