Port Update
Boston, MA
August 25, 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
Mostly cloudy, 66° F
Feels Like 68° F
Today’s High 76° F
Wind, NE 4 mph
Humidity 100%
Visibility 10.0 mi
Pressure 29.82 in
Humid with clouds giving way to some sun; a thunderstorm in spots this afternoon.
Synopsis for Massachusetts and Rhode Island coastal waters:
A weak low pressure system moves across the waters early this
morning bringing showers. Breezy southeast winds shift northeast
ahead of a cold front expected to pass over the waters by this
afternoon/evening. High pressure builds in from the west on Tuesday
and remains in control through midweek. Next system moves through
sometime late Thursday through Friday.
Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary:
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
TUESDAY MORNING...
.TODAY...SE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds and SW 1 foot at 3 seconds. Patchy fog this
morning. A slight chance of showers this morning with vsby 1 NM
or less.
.TONIGHT...S winds 5 to 10 kt, becoming W 10 to 15 kt with gusts
up to 20 kt after midnight. Seas 3 to 5 ft. Wave Detail: SE 5 ft
at 9 seconds and W 2 ft at 3 seconds. Patchy fog. Vsby 1 to 3 NM
in the evening.
.TUE...W winds 10 to 15 kt with gusts up to 20 kt, becoming SW in
the afternoon. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 10 seconds
and W 2 ft at 3 seconds.
.TUE NIGHT...W winds around 10 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and W 2 ft at
3 seconds.
.WED...NW winds around 10 kt, becoming SE in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and NW 2 ft at
3 seconds.
.WED NIGHT...SW winds around 10 kt, becoming W after midnight.
Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and SW 1 foot
at 3 seconds.
.THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 3 ft.
.FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.FRI NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. A chance of
showers.
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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