Port Update
Boston, MA
May 20, 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 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, 49° F
Feels Like 41° F
Today’s High 58° F
Wind, NW 14 mph
Humidity 65%
Visibility 10.0 mi
Pressure 29.85 in
Mostly cloudy and cool; cool and rainy weather on the way for the rest of the week, then gradual improvement over the holiday weekend.
Synopsis for Massachusetts and Rhode Island coastal waters:
Low pressure over the Canadian Maritimes will continue to slowly
move eastward today. Ridge of high pressure builds over the area
today and Wed. A gale strength storm is expected to develop Thurs
into Fri, bringing building rough seas and gale force winds to the
waters.
Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary:
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...
.TODAY...N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: NW 4 ft at 5 seconds and E 4 ft at 8 seconds.
Patchy drizzle this afternoon.
.TONIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
5 ft. Wave Detail: N 5 ft at 6 seconds. Patchy drizzle.
.WED...NE winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft
at 7 seconds. Patchy drizzle.
.WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. Wave Detail: NE 5 ft at 7 seconds.
.THU...E winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
8 ft, building to 7 to 10 ft in the afternoon. Wave Detail: E
7 ft at 7 seconds, becoming E 8 ft at 8 seconds. A chance of rain
in the morning, then rain likely in the afternoon with vsby 1 to
3 NM.
.THU NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas
10 to 13 ft. Wave Detail: E 11 ft at 10 seconds. Rain. Vsby 1 to
3 NM.
.FRI...N winds 15 to 20 kt with gusts up to 25 kt. Seas 9 to
13 ft. A chance of rain.
.FRI NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. A chance of
showers.
.SAT...NW winds around 10 kt. Seas 3 to 5 ft. A chance of
showers.
.SAT NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 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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