Port Update
Boston, MA
December 24, 2025
Notices
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
Partly Cloudy, 37° F
Feels Like 26° F
Today’s High 39° F
Wind, WNW 17 mph
Humidity 81%
Visibility 10.0 mi
Pressure 29.79 in
Mostly cloudy and breezy with a snow shower around into the early afternoon.
Synopsis for Massachusetts and Rhode Island coastal waters:
Low pres shifts east of the region tonight as it intensifies. This
increasing pressure gradient will result in Gale forecast NNW winds
developing by daybreak Wed and continuing into the afternoon. High
pres builds in from the west late Wed into Wed night. This will be
followed by a strong cold front late Thu into Thu night. A wave of
low pres should then pass to our south late Fri into Sat with a
ridge of high pres building in from the west by Sun.
Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary:
...GALE WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...
.TODAY...NW winds 25 to 30 kt, becoming N this afternoon. Gusts
up to 40 kt. Seas 4 to 6 ft, building to 7 to 10 ft this
afternoon. Wave Detail: W 5 ft at 5 seconds and E 2 ft at
6 seconds, becoming E 9 ft at 8 seconds and NW 5 ft at 5 seconds.
Patchy fog. A chance of showers this morning, then showers likely
this afternoon. Vsby 1 to 3 NM, decreasing to 1 NM or less this
afternoon.
.TONIGHT...N winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 7 to 9 ft, subsiding to 5 to
7 ft after midnight. Wave Detail: E 9 ft at 9 seconds and N 3 ft
at 6 seconds, becoming E 7 ft at 9 seconds and N 1 foot at
5 seconds.
.THU...SW winds 15 to 20 kt, becoming NW 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 6 ft. Wave Detail: E 6 ft
at 10 seconds and W 5 ft at 4 seconds.
.THU NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt. Seas
6 to 9 ft. Wave Detail: N 9 ft at 7 seconds and E 4 ft at
10 seconds.
.FRI...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: N 8 ft
at 7 seconds and E 2 ft at 10 seconds.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail:
NE 5 ft at 8 seconds and E 4 ft at 12 seconds. A chance of snow
after midnight.
.SAT...NE winds 10 to 15 kt. Seas 4 to 5 ft. A chance of snow.
.SAT NIGHT...N winds 5 to 10 kt. Seas 4 to 5 ft.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. A chance of rain.
.SUN NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 5 ft. Rain.
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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