Port Update
Boston, MA
October 31, 2025
Notices
Daylight Savings Time ends this Sunday, November 2nd at 0200. Please retard your clocks 1 hour at that time.
BOSTON Harbor is at MARSEC Level 1
BOSTON CBP has noted the following:
Crew changes are being permitted. Offsigner flights need to be vetted by CBP in advance.
Shore leave is permitted.
Current Maximum Drafts at Oil Terminals
Current Maximum Drafts at Oil Terminals
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Citgo Braintree 34-09 Brakish Water
Global Chelsea 32-00 Salt Water
Global Revere 32-00 Salt Water
Global Eastern Ave. 37-00 BERTH DEPTH, Salt Water
Irving Revere 36-00 Salt Water
Sprague Deepwater 34-00 BERTH DEPTH, Salt Water
Sunoco East Boston 36-06 Salt Water
TRT Quincy 28-00 Salt Water
McArdle Bridge Update
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The McArdle Bridge is operating on normal
on demand bridge openings for marine traffic.
Chelsea Street Bridge Update
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The Chelsea Street Bridge is operating on normal
on demand bridge openings for marine traffic.
Fore River Bridge Update
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The Fore River Bridge is operating on normal
on demand bridge openings for marine traffic.
Tides / Currents
Weather / Marine Zone Forecast
Current weather
Mostly sunny, 57° F
Feels Like 49° F
Today’s High 59° F
Wind, SW 21 mph
Humidity 89%
Visibility 10.0 mi
Pressure 29.11 in
A shower this morning; otherwise, variably cloudy and becoming windier.
Synopsis for Massachusetts and Rhode Island coastal waters:
Strong low pres will move N past srn New England tonight, then nrn
New England Fri, reaching the Maritimes by Sat. Strong winds develop
behind this low pres Fri into Fri night. High pres will build over
the waters Sun, then move offshore Mon as a cold front approaches
from the NW. A weak high pres expected for Tue.
Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary:
...STORM WARNING IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...
.TODAY...SW winds 20 to 25 kt, increasing to 25 to 30 kt this
afternoon. Gusts up to 40 kt. Seas 7 to 10 ft. Wave Detail: E
10 ft at 10 seconds and SW 6 ft at 5 seconds.
.TONIGHT...W winds 30 to 35 kt with gusts up to 50 kt. Seas 8 to
11 ft. Wave Detail: W 10 ft at 7 seconds and E 8 ft at
10 seconds.
.SAT...W winds 25 to 30 kt with gusts up to 45 kt, diminishing to
20 to 25 kt with gusts up to 35 kt in the afternoon. Seas 7 to
10 ft, subsiding to 5 to 7 ft in the afternoon. Wave Detail: W
8 ft at 6 seconds and E 4 ft at 11 seconds, becoming W 7 ft at
6 seconds and E 3 ft at 11 seconds.
.SAT NIGHT...W winds 20 to 25 kt with gusts up to 30 kt, becoming
NW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to
6 ft. Wave Detail: W 5 ft at 5 seconds and E 3 ft at 11 seconds.
.SUN AND SUN NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave
Detail: NW 3 ft at 4 seconds and SE 2 ft at 10 seconds.
.MON...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 3 seconds and SE 1 foot at 9 seconds. A chance of
showers.
.MON NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Showers likely.
.TUE...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to
5 ft. A chance of showers.
.TUE NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft.
Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.
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MSA Useful Links
MSA Useful Links
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Army Corp of Engineers
Boston Harbor Pilot Association, LLC
NOAA
Chart viewer - handy tool for chart reference
Weather WEB Sites
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