Port Update
Boston, MA
May 22, 2025
Notices
...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
FRIDAY MORNING...
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 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
Rain, 47° F
Feels Like 34° F
Today’s High 48° F
Wind, E 21 mph
Humidity 89%
Visibility 10.0 mi
Pressure 29.98 in
Windy and chilly with rain, becoming heavy at times; watch for areas of flooding.
Synopsis for Massachusetts and Rhode Island coastal waters:
A developing gale center passes just inside the Benchmark
later today and tonight. This will bring E-NE gales to the MA and RI
waters, along with dangerous seas later today and tonight. Improving
weather conditions Fri, and especially over this weekend, as this
storm weakens and drifts into the Maritimes. High pres expected over
the waters early next week.
Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary:
...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
FRIDAY MORNING...
.TODAY...E winds around 20 kt with gusts up to 30 kt, increasing
to 25 to 30 kt with gusts up to 45 kt this afternoon. Seas 5 to
7 ft, building to 7 to 10 ft this afternoon. Wave Detail: E 7 ft
at 7 seconds, becoming E 10 ft at 8 seconds. A slight chance of
rain this morning, then rain with isolated tstms this afternoon
with vsby 1 NM or less.
.TONIGHT...NE winds 25 to 30 kt with gusts up to 50 kt. Seas 9 to
13 ft. Wave Detail: E 13 ft at 9 seconds and SW 1 foot at
4 seconds. Rain, mainly in the evening. Patchy fog after
midnight. Vsby 1 NM or less.
.FRI...NW winds 20 to 25 kt with gusts up to 40 kt, becoming W
15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 8 to
11 ft, subsiding to 6 to 9 ft in the afternoon. Wave Detail: E
11 ft at 10 seconds and W 2 ft at 5 seconds, becoming E 9 ft at
9 seconds and NW 3 ft at 6 seconds. Patchy fog in the morning. A
chance of showers in the morning with vsby 1 to 3 NM.
.FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave
Detail: E 6 ft at 9 seconds and NW 3 ft at 6 seconds. A chance of
showers after midnight.
.SAT AND SAT NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt.
Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds and W 2 ft at
3 seconds. A chance of showers.
.SUN THROUGH MON NIGHT...SW winds 5 to 10 kt with gusts up to
20 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and E
2 ft at 8 seconds.
Winds and seas higher in and near tstms.
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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