Port Update
Boston, MA
December 16, 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 Sunny, 28° F
Feels Like 25° F
Today’s High 34° F
Wind, N 6 mph
Humidity 52%
Visibility 10.0 mi
Pressure 30.20 in
Mostly sunny and not as cold.
Synopsis for Massachusetts and Rhode Island coastal waters:
Ridge of high pressure builds across the waters later tonight
and then moves well offshore by Wednesday. Low pressure and
associated cold front is expected to result in gale force winds late
Thursday into Friday.
Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary:
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE
WEDNESDAY NIGHT...
.TODAY...W winds 10 to 15 kt. Gusts up to 20 kt this morning.
Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and N 1 foot at
5 seconds.
.TONIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. Gusts up to 30 kt. Seas 2 to 3 ft, building to 3 to
5 ft after midnight. Wave Detail: SW 3 ft at 4 seconds and SE
1 foot at 11 seconds, becoming SW 5 ft at 5 seconds and SE 1 foot
at 11 seconds.
.WED...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: S 5 ft at 5 seconds and SE 1 foot at
10 seconds.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. Wave Detail: W 4 ft at 5 seconds and SE 1 foot at
5 seconds.
.THU...SW winds 10 to 15 kt, becoming S 15 to 20 kt with gusts up
to 25 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ft at
4 seconds and N 1 foot at 4 seconds.
.THU NIGHT...S winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. Gusts up to 45 kt. Seas 4 to 6 ft, building to 5 to
8 ft after midnight. Wave Detail: SE 6 ft at 5 seconds and SE
1 foot at 11 seconds, becoming SE 7 ft at 6 seconds and SE 3 ft
at 11 seconds. Rain likely after midnight.
.FRI...SW winds 25 to 30 kt with gusts up to 45 kt. Seas 6 to
9 ft. Rain. Vsby 1 to 3 NM.
.FRI NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
5 to 8 ft. A chance of rain.
.SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of 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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