Coastal Waters Forecast
Issued by NWS Boston, MA

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000
FZUS51 KBOX 272317
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
717 PM EDT Wed May 27 2020

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

ANZ200-281200-
717 PM EDT Wed May 27 2020

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure well to our east will result in southwest winds
blowing over the area coastal waters through Friday. Areas of fog
will exist, especially from the waters off the south coast to Cape
Cod and the Islands. The fog will be dense during the overnight and
morning hours. An approaching cold front will bring scattered
showers and thunderstorms Friday into Saturday as it crosses the
region. High pressure will build across the Northeast on Sunday.

For information on possible hazardous weather beyond the 24-36 hour
forecast period, please visit www.weather.gov/boston and follow the
Current Hazards link above the map on the left.

$$

ANZ250-281200-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
717 PM EDT Wed May 27 2020

.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Areas of dense fog. A chance of drizzle after midnight.
Vsby 1 NM or less.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Areas of fog. Vsby 1 NM or less.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Areas of fog. Vsby 1 NM or less.
.FRI...S winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Areas of fog. A
chance of showers. Vsby 1 to 3 NM.
.FRI NIGHT AND SAT...S winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 5 ft. A chance of showers.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming NW after midnight. Seas 2 to 4 ft. A chance of showers.
.SUN THROUGH MON...N winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 5 ft.
.MON NIGHT...NW winds 10 to 15 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.

$$

ANZ251-281200-
Massachusetts Bay and Ipswich Bay-
717 PM EDT Wed May 27 2020

.TONIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas 2 to 3 ft. Areas of fog after
midnight with vsby 1 NM or less.
.THU...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Areas of fog. Vsby
1 NM or less.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Areas of fog. Vsby 1 to 3 NM.
.FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Areas of fog. Vsby 1 to 3 NM.
.FRI NIGHT AND SAT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. A chance of showers.
.SAT NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 2 to 3 ft. A chance of showers.
.SUN THROUGH MON NIGHT...NW winds 5 to 10 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.

$$

ANZ231-281200-
Cape Cod Bay-
717 PM EDT Wed May 27 2020

.TONIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas around 2 ft. Areas of dense
fog. A chance of drizzle. Vsby 1 NM or less.
.THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Seas around 2 ft. Areas of fog. A
chance of drizzle. Vsby 1 NM or less.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM.
.FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM.
.FRI NIGHT AND SAT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Showers likely.
.SAT NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas 2 to 3 ft. A chance of showers.
.SUN THROUGH MON NIGHT...NW winds 10 to 15 kt with gusts up 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.

$$

ANZ254-281200-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
717 PM EDT Wed May 27 2020

.TONIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas 2 to 4 ft. Areas of dense fog.
A chance of drizzle. Vsby 1 NM or less.
.THU...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Seas 2 to 4 ft. Areas of fog. Vsby
1 NM or less.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 NM or less.
.FRI...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. Areas of fog. A chance of showers. Vsby 1 NM or less.
.FRI NIGHT AND SAT...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 6 ft. Showers likely.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming W 5 to 10 kt after midnight. Seas 3 to 5 ft. A chance of
showers.
.SUN THROUGH MON...N winds 10 to 15 kt with gusts up to 20 kt.
Seas 4 to 6 ft.
.MON NIGHT...NW winds 10 to 15 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.

$$

ANZ255-281200-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
717 PM EDT Wed May 27 2020

.TONIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight.
Seas 2 to 3 ft. Areas of dense fog. A chance of drizzle. Vsby
1 NM or less.
.THU...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 3 ft. Areas of fog. Vsby 1 NM or less.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 4 ft. Areas of fog. A chance of showers. Vsby 1 NM or less.
.FRI...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. Areas of fog. A chance of showers. Vsby 1 NM or less.
.FRI NIGHT AND SAT...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 7 ft. Showers likely.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming W 5 to 10 kt after midnight. Seas 4 to 6 ft. A chance of
showers.
.SUN THROUGH MON...N winds 10 to 15 kt. Seas 3 to 5 ft.
.MON NIGHT...NW winds 10 to 15 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.

$$

ANZ256-281200-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
717 PM EDT Wed May 27 2020

.TONIGHT...S winds 5 to 10 kt. Seas around 3 ft. Areas of dense
fog. A chance of drizzle. Vsby 1 NM or less.
.THU...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 3 ft. Areas of fog. Vsby 1 NM or less.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. Areas of fog. A chance of showers. Vsby 1 NM or less.
.FRI...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. Areas of fog. A chance of showers. Vsby 1 NM or less.
.FRI NIGHT AND SAT...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 5 to 7 ft. Showers likely.
.SAT NIGHT...SW winds 10 to 15 kt, becoming NW after midnight.
Seas 4 to 6 ft. A chance of showers.
.SUN THROUGH MON NIGHT...NW winds 10 to 15 kt. Seas 3 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.

$$

ANZ232-281200-
Nantucket Sound-
717 PM EDT Wed May 27 2020

.TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after midnight.
Seas 2 to 3 ft. Areas of dense fog. A chance of drizzle. Vsby
1 NM or less.
.THU...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. Areas of dense fog. A chance of drizzle. Vsby 1 NM or less.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Areas of fog. A chance of showers. Vsby 1 NM or less.
.FRI...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Areas of fog. A chance of showers. Vsby 1 NM or less.
.FRI NIGHT AND SAT...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Showers likely.
.SAT NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas 2 to 4 ft. A chance of showers.
.SUN THROUGH MON NIGHT...NW winds 10 to 15 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.

$$

ANZ233-281200-
Vineyard Sound-
717 PM EDT Wed May 27 2020

.TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after midnight.
Seas around 2 ft. Areas of dense fog. A chance of drizzle. Vsby
1 NM or less.
.THU...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. Areas of dense fog. A chance of drizzle. Vsby 1 NM or less.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 NM or less.
.FRI...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Areas of fog. A chance of showers. Vsby 1 NM or less.
.FRI NIGHT AND SAT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 5 ft. Showers likely.
.SAT NIGHT...SW winds around 10 kt, becoming NW after midnight.
Seas 2 to 4 ft. A chance of showers.
.SUN THROUGH MON NIGHT...W winds 5 to 10 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.

$$

ANZ234-281200-
Buzzards Bay-
717 PM EDT Wed May 27 2020

.TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after midnight.
Seas around 2 ft. Areas of dense fog. A chance of drizzle. Vsby
1 NM or less.
.THU...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. Areas of fog. A chance of drizzle. Vsby 1 NM or less.
.THU NIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Gusts up to 20 kt. Seas 2 to 4 ft. Areas of fog. A
chance of showers. Vsby 1 NM or less.
.FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Areas of fog. A chance of showers. Vsby 1 NM or less.
.FRI NIGHT AND SAT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Showers likely.
.SAT NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 2 to 3 ft. A chance of showers.
.SUN THROUGH MON NIGHT...W winds 5 to 10 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.

$$

ANZ235-281200-
Rhode Island Sound-
717 PM EDT Wed May 27 2020

.TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Areas of dense
fog. A chance of drizzle. Vsby 1 NM or less.
.THU...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. Areas of dense fog. A chance of drizzle. Vsby
1 NM or less.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. Areas of fog. A chance of showers. Vsby 1 NM or less.
.FRI...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. Areas of fog. A chance of showers. Vsby 1 NM or less.
.FRI NIGHT AND SAT...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 6 ft. Showers likely.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming NW 5 to 10 kt after midnight. Seas 3 to 5 ft. A chance
of showers.
.SUN THROUGH MON NIGHT...NW winds 5 to 10 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.

$$

ANZ237-281200-
Block Island Sound-
717 PM EDT Wed May 27 2020

.TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Areas of dense
fog. A chance of drizzle. Vsby 1 NM or less.
.THU...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. Areas of dense fog. A chance of drizzle. Vsby
1 NM or less.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 NM or less.
.FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Areas of fog. A chance of showers. Vsby 1 NM or less.
.FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft. Showers likely.
.SAT...SW winds 10 to 15 kt. Seas 4 to 6 ft. A chance of showers.
.SAT NIGHT...SW winds 10 to 15 kt, becoming NW 5 to 10 kt after
midnight. Seas 3 to 5 ft. A chance of showers.
.SUN THROUGH MON NIGHT...NW winds 5 to 10 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.

$$

ANZ230-281200-
Boston Harbor-
717 PM EDT Wed May 27 2020

.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. Areas of fog after midnight with vsby 1 to 3 NM.
.THU...SW winds around 10 kt with gusts up to 20 kt. Waves around
2 ft.
.THU NIGHT...S winds around 10 kt with gusts up to 20 kt. Waves
around 2 ft. Areas of fog. Vsby 1 to 3 NM.
.FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Waves around
2 ft. Areas of fog. Vsby 1 to 3 NM.
.FRI NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft. Showers likely.
.SAT...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers.
.SAT NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. A chance
of showers.
.SUN THROUGH MON NIGHT...NW winds 5 to 10 kt. Waves 1 foot or
less.

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.

$$

ANZ236-281200-
Narragansett Bay-
717 PM EDT Wed May 27 2020

.TONIGHT...S winds 5 to 10 kt. Gusts up to 20 kt this evening.
Waves 2 to 3 ft. Areas of fog. A chance of drizzle. Vsby 1 NM or
less.
.THU...S winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to
3 ft. Areas of fog. A chance of drizzle. Vsby 1 NM or less.
.THU NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Waves
2 to 3 ft. Areas of fog. A chance of showers. Vsby 1 NM or less.
.FRI...S winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Waves 2 to 3 ft. Areas of fog. A
chance of showers. Vsby 1 NM or less.
.FRI NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves 2 to 4 ft. Showers likely.
.SAT...SW winds 5 to 10 kt. Waves 2 to 4 ft. A chance of showers.
.SAT NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Waves 2 to 3 ft. A chance of showers.
.SUN THROUGH MON NIGHT...NW winds 5 to 10 kt. Waves 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.

$$

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