016
FZUS51 KBOX 041903
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
Issued by National Weather Service New York NY
203 PM EST Wed Nov 4 2026

Coastal waters from the Merrimack River MA to Watch Hill RI out
to 60 NM

ANZ200-051100-
203 PM EST Wed Nov 4 2026

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres to the SE brings SW to S flow through Thu, but
winds/seas should prevail below SCA levels. A cold front will
approach the waters Fri, then should cross through on Sat as a
wave of low pres rides along it. High pres slowly builds back in
behind the storm system on Sun.

$$

ANZ250-051100-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
203 PM EST Wed Nov 4 2026

.REST OF TODAY...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Patchy fog after midnight. Rain likely after midnight.
.FRI...S winds 10 to 15 kt with gusts up to 20 kt, diminishing to
5 to 10 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. Rain.
Vsby 1 to 3 NM in the afternoon.
.FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog.
Rain. Vsby 1 to 3 NM.
.SAT...NW winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. A chance
of rain.
.SAT NIGHT AND SUN...NW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. A chance of rain.
.SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft.

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.

$$

ANZ251-051100-
Massachusetts Bay and Ipswich Bay-
203 PM EST Wed Nov 4 2026

.REST OF TODAY...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Patchy fog after midnight. Rain likely after
midnight.
.FRI...S winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Rain
likely. Vsby 1 to 3 NM in the afternoon.
.FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Patchy fog.
Rain. Vsby 1 to 3 NM.
.SAT...N winds 5 to 10 kt. Seas around 2 ft. Rain likely.
.SAT NIGHT AND SUN...NW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 3 ft. A chance of rain.
.SUN NIGHT...W winds 15 to 20 kt. Seas 2 to 3 ft.

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.

$$

ANZ231-051100-
Cape Cod Bay-
203 PM EST Wed Nov 4 2026

.REST OF TODAY...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Patchy fog after midnight. Rain likely after
midnight.
.FRI...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Patchy fog. Rain. Vsby 1 to 3 NM in the
afternoon.
.FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Patchy fog.
Rain. Vsby 1 to 3 NM.
.SAT...W winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Rain.
.SAT NIGHT AND SUN...NW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 3 ft. A chance of rain.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft.

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.

$$

ANZ254-051100-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 NM-
203 PM EST Wed Nov 4 2026

.REST OF TODAY...SW winds around 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...S winds around 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of rain after midnight.
.FRI AND FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Patchy fog. Rain. Vsby 1 to 3 NM.
.SAT...S winds around 10 kt. Seas 3 to 5 ft. Patchy fog. Rain.
Vsby 1 to 3 NM.
.SAT NIGHT AND SUN...W winds 15 to 20 kt, increasing to 20 to
25 kt. Gusts up to 30 kt. Seas 3 to 4 ft. A chance of rain.
.SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 4 ft.

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.

$$

ANZ255-051100-
Coastal Waters extending out to 25 NM South of Marthas Vineyard
and Nantucket-
203 PM EST Wed Nov 4 2026

.REST OF TODAY...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft.
.TONIGHT...SW winds 10 to 15 kt. Seas around 2 ft.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...S winds 15 to 20 kt. Seas 3 to 4 ft. A chance of
rain after midnight.
.FRI...S winds 15 to 20 kt. Seas 3 to 4 ft. Patchy fog. Rain.
.FRI NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Patchy fog.
Rain with a chance of tstms. Vsby 1 to 3 NM.
.SAT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Patchy fog. Rain
likely. Vsby 1 to 3 NM.
.SAT NIGHT THROUGH SUN NIGHT...W winds 20 to 25 kt with gusts up
to 30 kt. Seas 3 to 5 ft.

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.

$$

ANZ256-051100-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 NM South of Block Island-
203 PM EST Wed Nov 4 2026

.REST OF TODAY...SW winds 10 to 15 kt. Seas around 2 ft.
.TONIGHT...SW winds 10 to 15 kt. Seas around 2 ft.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.THU NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. A chance of
rain in the evening, then rain likely after midnight. Patchy fog
after midnight.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft. Patchy fog. Rain. Vsby 1 to 3 NM in the afternoon.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 4 to 6 ft. Patchy fog.
Rain with a chance of tstms. Vsby 1 to 3 NM.
.SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft. A chance of rain.
.SAT NIGHT THROUGH SUN NIGHT...W winds 20 to 25 kt with gusts up
to 30 kt. Seas 4 to 5 ft.

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.

$$

ANZ232-051100-
Nantucket Sound-
203 PM EST Wed Nov 4 2026

.REST OF TODAY...SW winds around 15 kt with gusts up to 20 kt.
Seas around 2 ft.
.TONIGHT...SW winds 10 to 15 kt. Seas around 2 ft.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. Patchy fog
after midnight. Rain likely after midnight.
.FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Patchy fog. Rain. Vsby 1 to 3 NM in the afternoon.
.FRI NIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 2 to 3 ft. Patchy fog. Rain with a chance of
tstms. Vsby 1 to 3 NM.
.SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Patchy fog. Rain.
.SAT NIGHT...W winds 20 to 25 kt. Seas 2 to 3 ft.
.SUN...W winds 20 to 25 kt. Seas 2 to 3 ft. A chance of rain.
.SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 3 ft.

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.

$$

ANZ233-051100-
Vineyard Sound-
203 PM EST Wed Nov 4 2026

.REST OF TODAY...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft.
.TONIGHT...SW winds 10 to 15 kt. Seas around 2 ft.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of rain in the evening, then rain likely
after midnight. Patchy fog after midnight.
.FRI...S winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft. Patchy fog. Rain. Vsby 1 to 3 NM in the
afternoon.
.FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog.
Rain. Vsby 1 to 3 NM.
.SAT...W winds 10 to 15 kt. Seas 2 to 3 ft. Rain.
.SAT NIGHT THROUGH SUN NIGHT...W winds 15 to 20 kt with gusts up
to 25 kt. Seas 2 to 3 ft.

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.

$$

ANZ234-051100-
Buzzards Bay-
203 PM EST Wed Nov 4 2026

.REST OF TODAY...SW winds around 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. A chance of
rain in the evening, then rain likely after midnight. Patchy fog
after midnight.
.FRI...S winds 10 to 15 kt. Seas around 2 ft. Patchy fog. Rain.
Vsby 1 to 3 NM in the afternoon.
.FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog.
Rain. Vsby 1 to 3 NM.
.SAT AND SAT NIGHT...W winds 10 to 15 kt, increasing to 15 to
20 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of rain.
.SUN AND SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 3 ft.

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.

$$

ANZ235-051100-
Rhode Island Sound-
203 PM EST Wed Nov 4 2026

.REST OF TODAY...SW winds around 15 kt with gusts up to 20 kt.
Seas around 2 ft.
.TONIGHT...SW winds 10 to 15 kt. Seas around 2 ft.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. A chance of
rain in the evening, then rain likely after midnight. Patchy fog
after midnight.
.FRI...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 3 to 4 ft. Patchy fog. Rain. Vsby 1 to 3 NM in the
afternoon.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog.
Rain. Vsby 1 to 3 NM.
.SAT AND SAT NIGHT...W winds 10 to 15 kt, increasing to 20 to
25 kt. Seas 3 to 4 ft. A chance of rain.
.SUN AND SUN NIGHT...NW winds 20 to 25 kt, becoming W 15 to
20 kt. Seas 3 to 4 ft.

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.

$$

ANZ237-051100-
Block Island Sound-
203 PM EST Wed Nov 4 2026

.REST OF TODAY...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft.
.TONIGHT...SW winds around 10 kt. Seas around 2 ft.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of rain in the evening, then rain after
midnight. Patchy fog after midnight.
.FRI AND FRI NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Patchy
fog. Rain. Vsby 1 to 3 NM.
.SAT...W winds 10 to 15 kt. Seas 3 to 4 ft. A chance of rain.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 4 ft. A chance of rain.
.SUN AND SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 4 ft.

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.

$$

ANZ230-051100-
Boston Harbor-
203 PM EST Wed Nov 4 2026

.REST OF TODAY...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft.
.TONIGHT...SW winds 10 to 15 kt. Waves around 2 ft.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft.
.THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft. A chance of rain in the evening, then
rain likely after midnight. Patchy fog after midnight.
.FRI...S winds 5 to 10 kt. Waves 1 foot or less. Patchy fog. Rain
likely. Vsby 1 to 3 NM in the afternoon.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. Patchy
fog. Rain. Vsby 1 to 3 NM.
.SAT...N winds 5 to 10 kt. Waves 1 foot or less. Rain likely.
.SAT NIGHT AND SUN...N winds 10 to 15 kt, becoming NW 15 to
20 kt. Waves around 2 ft. A chance of rain.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft.

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.

$$

ANZ236-051100-
Narragansett Bay-
203 PM EST Wed Nov 4 2026

.REST OF TODAY...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft.
.TONIGHT...SW winds around 10 kt. Waves around 2 ft.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. A chance of rain in the evening, then rain likely
after midnight. Patchy fog after midnight.
.FRI...S winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. Rain.
Vsby 1 to 3 NM in the afternoon.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog.
Rain. Vsby 1 to 3 NM.
.SAT THROUGH SUN...NW winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft. A chance of rain.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft.

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.

$$

ANZ280-051100-
Ocean Waters from the Merrimack River to Plymouth from 40 to
60 NM-
203 PM EST Wed Nov 4 2026

.REST OF TODAY...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft.
.TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.THU...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.THU NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 4 ft. A chance of rain after midnight.
.FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Patchy fog. Rain. Vsby 1 to 3 NM in the afternoon.
.FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Patchy fog. Rain. Vsby 1 to 3 NM.
.SAT...S winds around 10 kt. Seas 3 to 5 ft. Patchy fog. Rain.
.SAT NIGHT AND SUN...NW winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 5 ft. A chance of rain.
.SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 4 ft.

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.

$$

ANZ281-051100-
Ocean Waters from Provincetown to Nantucket from 20 to 60 NM-
203 PM EST Wed Nov 4 2026

.REST OF TODAY...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 3 ft.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...S winds around 15 kt with gusts up to 25 kt. Seas
3 to 4 ft. A chance of rain after midnight.
.FRI...S winds 15 to 20 kt. Seas 3 to 4 ft. Patchy fog. A chance
of rain in the morning. Rain in the afternoon.
.FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft. Patchy fog. Rain. Vsby 1 to 3 NM.
.SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. Patchy fog. Rain.
Vsby 1 to 3 NM.
.SAT NIGHT AND SUN...W winds 15 to 20 kt, increasing to 20 to
25 kt. Gusts up to 30 kt. Seas 4 to 5 ft. A chance of rain.
.SUN NIGHT...W winds around 20 kt with gusts up to 25 kt. Seas
4 to 5 ft.

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.

$$

ANZ282-051100-
Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM-
203 PM EST Wed Nov 4 2026

.REST OF TODAY...SW winds around 10 kt. Seas around 2 ft.
.TONIGHT...SW winds 10 to 15 kt. Seas around 2 ft.
.THU...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft.
.THU NIGHT...S winds around 15 kt with gusts up to 20 kt. Seas
3 to 4 ft.
.FRI...S winds 15 to 20 kt. Seas 4 to 5 ft. Patchy fog. A chance
of rain in the morning. Rain likely in the afternoon.
.FRI NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 5 to 7 ft. Patchy fog. Rain. Vsby 1 to 3 NM after
midnight.
.SAT...SW winds 10 to 15 kt. Seas 5 to 6 ft. Patchy fog. Rain.
Vsby 1 to 3 NM.
.SAT NIGHT...W winds 20 to 25 kt. Seas 5 to 6 ft.
.SUN...W winds 20 to 25 kt with gusts up to 30 kt. Seas around
5 ft. A chance of rain.
.SUN NIGHT...W winds 20 to 25 kt. Seas 5 to 6 ft.

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.

$$

ANZ283-051100-
Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM-
203 PM EST Wed Nov 4 2026

.REST OF TODAY...SW winds around 10 kt. Seas around 2 ft.
.TONIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft.
.THU NIGHT...S winds 15 to 20 kt. Seas 4 to 5 ft. Patchy fog
after midnight. A chance of rain after midnight.
.FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Patchy fog. Rain. Vsby 1 to 3 NM in the afternoon.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
5 to 7 ft. Patchy fog. Rain with a chance of tstms. Vsby 1 to
3 NM.
.SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
6 ft. Patchy fog. Rain likely. Vsby 1 to 3 NM.
.SAT NIGHT THROUGH SUN NIGHT...W winds 20 to 25 kt with gusts up
to 30 kt. Seas 5 to 6 ft.

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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