Coastal Waters Forecast
Issued by NWS Boston, MA

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000
FZUS51 KBOX 270516
CWFBOX

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

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

ANZ200-271800-
116 AM EDT Wed May 27 2020

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure will move offshore overnight. There will be areas
of dense fog over the waters. The high will remain anchored
off the East Coast for the next few days. A cold front will bring
scattered showers and thunderstorms Friday into Saturday as it
crosses the region. High pressure will build into the Northeast over
the weekend.

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.

$$

ANZ250-271800-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
116 AM EDT Wed May 27 2020

.REST OF TONIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. Areas of
dense fog. Vsby 1 NM or less.
.WED...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 4 ft. Areas of dense fog.
Vsby 1 NM or less.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Areas of fog. 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.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.
.FRI AND FRI NIGHT...SW winds 15 to 20 kt. Seas 4 to 6 ft. A
chance of showers and tstms.
.SAT...SW winds 15 to 20 kt. Seas 3 to 5 ft. A chance of showers
and tstms.
.SAT NIGHT...W winds 10 to 15 kt. Seas 2 to 4 ft. A chance of
showers.
.SUN...N winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN NIGHT...N winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ251-271800-
Massachusetts Bay and Ipswich Bay-
116 AM EDT Wed May 27 2020

.REST OF TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Areas of
fog. Vsby 1 NM or less.
.WED...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 3 ft. Areas of fog. Vsby
1 NM or less.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Areas of fog. Vsby 1 to 3 NM.
.THU...SW winds 5 to 10 kt with gusts up to 20 kt, becoming S
10 to 15 kt in the afternoon. Seas 2 to 3 ft. Areas of fog.
.THU NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft. A chance of showers.
.FRI AND FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft. A
chance of showers and tstms.
.SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.SAT NIGHT...W winds around 10 kt. Seas around 2 ft. A chance of
showers.
.SUN AND SUN NIGHT...N winds 5 to 10 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.

$$

ANZ231-271800-
Cape Cod Bay-
116 AM EDT Wed May 27 2020

.REST OF TONIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.
Areas of dense fog. Vsby 1 NM or less.
.WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas around 2 ft. Areas of dense
fog. Vsby 1 NM or less.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Areas of fog. A chance of very light drizzle. Vsby
1 NM or less.
.THU...SW winds around 10 kt. Gusts up to 20 kt in the morning.
Seas around 2 ft. Areas of fog.
.THU NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas around 2 ft. A chance of showers.
.FRI AND FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. A chance of showers and tstms.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. A chance of showers and tstms.
.SAT NIGHT...W winds around 10 kt. Seas around 2 ft. A chance of
showers.
.SUN AND SUN NIGHT...N winds 5 to 10 kt, increasing to 10 to
15 kt with gusts up to 20 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.

$$

ANZ254-271800-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
116 AM EDT Wed May 27 2020

.REST OF TONIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. Areas of
dense fog. Vsby 1 NM or less.
.WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 3 ft. Areas of fog. Vsby
1 NM or less.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Areas of fog. A chance of very light drizzle. Vsby
1 NM or less.
.THU...SW winds 5 to 10 kt with gusts up to 20 kt, increasing to
10 to 15 kt in the afternoon. Seas 2 to 4 ft. Areas of fog.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of showers.
.FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. A chance of showers and tstms.
.FRI NIGHT...SW winds 15 to 20 kt. Seas 4 to 6 ft. Showers and
tstms likely.
.SAT...SW winds 15 to 20 kt. Seas 4 to 6 ft. Showers and tstms
likely.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of showers.
.SUN AND SUN NIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Seas 4 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.

$$

ANZ255-271800-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
116 AM EDT Wed May 27 2020

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

$$

ANZ256-271800-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
116 AM EDT Wed May 27 2020

.REST OF TONIGHT...SW winds 5 to 10 kt. Seas around 3 ft. Areas
of dense fog. Vsby 1 NM or less.
.WED...SW winds around 5 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas around 3 ft. Areas of fog. Vsby 1 NM or less.
.WED NIGHT...S winds 5 to 10 kt. Seas around 3 ft. Areas of fog.
A chance of very light drizzle. Vsby 1 NM or less.
.THU...S winds 5 to 10 kt. Seas around 3 ft. Areas of fog.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of showers.
.FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
6 ft. A chance of showers and tstms.
.FRI NIGHT...SW winds 15 to 20 kt. Seas 6 to 7 ft. Showers and
tstms likely.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Showers and tstms likely.
.SAT NIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. A chance of
showers.
.SUN AND SUN NIGHT...N winds 5 to 10 kt, increasing to 10 to
15 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.

$$

ANZ232-271800-
Nantucket Sound-
116 AM EDT Wed May 27 2020

.REST OF TONIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.
Areas of dense fog. Vsby 1 NM or less.
.WED...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas
2 to 3 ft. Areas of fog. A chance of very light drizzle. Vsby
1 NM or less.
.THU...SW winds 5 to 10 kt. Seas around 2 ft. Areas of fog. A
chance of very light drizzle.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers and tstms.
.FRI NIGHT...SW winds 15 to 20 kt. Seas 2 to 4 ft. Showers and
tstms likely.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Showers and tstms likely.
.SAT NIGHT...W winds 10 to 15 kt. Seas 2 to 4 ft. A chance of
showers.
.SUN AND SUN NIGHT...N winds 5 to 10 kt, increasing to 10 to
15 kt. Gusts up to 20 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.

$$

ANZ233-271800-
Vineyard Sound-
116 AM EDT Wed May 27 2020

.REST OF TONIGHT...SW winds around 5 kt. Seas around 2 ft. Areas
of dense fog. Vsby 1 NM or less.
.WED...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Areas of dense fog. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Areas of fog.
A chance of very light drizzle. Vsby 1 to 3 NM.
.THU...SW winds 5 to 10 kt. Seas around 2 ft.
.THU NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 4 ft. A chance of showers.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers and tstms.
.FRI NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Showers and tstms likely.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Showers and tstms likely.
.SAT NIGHT...W winds around 10 kt. Seas 2 to 4 ft. A chance of
showers.
.SUN AND SUN NIGHT...N winds 5 to 10 kt, increasing to 10 to
15 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.

$$

ANZ234-271800-
Buzzards Bay-
116 AM EDT Wed May 27 2020

.REST OF TONIGHT...SW winds around 5 kt. Seas around 2 ft. Areas
of dense fog. Vsby 1 NM or less.
.WED...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Areas of fog. A chance of very light
drizzle. Vsby 1 NM or less.
.THU...SW winds 5 to 10 kt. Seas around 2 ft.
.THU NIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 2 to 3 ft. A chance of showers.
.FRI...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 4 ft. A chance of showers and tstms.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Showers and tstms likely.
.SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers and tstms
likely.
.SAT NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.SUN AND SUN NIGHT...N winds 5 to 10 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.

$$

ANZ235-271800-
Rhode Island Sound-
116 AM EDT Wed May 27 2020

.REST OF TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Areas of
dense fog. Vsby 1 NM or less.
.WED...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Areas of fog. A chance of very light
drizzle. Vsby 1 to 3 NM.
.THU...S winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of showers.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. A chance of showers and tstms.
.FRI NIGHT...SW winds 15 to 20 kt. Seas 4 to 6 ft. Showers and
tstms likely.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Showers and tstms likely.
.SAT NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. A chance of
showers.
.SUN AND SUN NIGHT...N winds 5 to 10 kt, increasing to 10 to
15 kt. Seas 2 to 4 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.

$$

ANZ237-271800-
Block Island Sound-
116 AM EDT Wed May 27 2020

.REST OF TONIGHT...SW winds around 5 kt. Seas 2 to 3 ft. Areas of
fog. Vsby 1 NM or less.
.WED...SW winds around 5 kt, increasing to 5 to 10 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 3 ft. Areas of fog. Vsby
1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog. A
chance of very light drizzle. Vsby 1 to 3 NM.
.THU...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
.THU NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 4 ft. A chance of showers.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of showers and tstms.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft. Showers and tstms likely.
.SAT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Showers and tstms
likely.
.SAT NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft. A chance of
showers.
.SUN AND SUN NIGHT...N winds 5 to 10 kt. Seas 2 to 4 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.

$$

ANZ230-271800-
Boston Harbor-
116 AM EDT Wed May 27 2020

.REST OF TONIGHT...SW winds 5 to 10 kt. Waves 1 foot or less.
Areas of fog. Vsby 1 NM or less.
.WED...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves around 2 ft.
.WED NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Gusts up to 20 kt. Waves around 2 ft. Areas of
fog.
.THU...SW winds 5 to 10 kt. Gusts up to 20 kt in the morning.
Waves 1 foot or less.
.THU NIGHT...S winds around 10 kt. Waves 1 foot or less. A chance
of showers.
.FRI AND FRI NIGHT...SW winds 10 to 15 kt. Waves around 2 ft. A
chance of showers and tstms.
.SAT...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers and tstms.
.SAT NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. A chance
of showers.
.SUN AND SUN NIGHT...N winds 5 to 10 kt. Waves 1 foot or less.

Winds and waves 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.

$$

ANZ236-271800-
Narragansett Bay-
116 AM EDT Wed May 27 2020

.REST OF TONIGHT...SW winds around 5 kt. Waves around 2 ft. Areas
of fog. Vsby 1 NM or less.
.WED...S winds around 5 kt, increasing to 5 to 10 kt with gusts
up to 20 kt in the afternoon. Waves around 2 ft. Areas of fog.
Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft. Areas of fog. A chance of very light
drizzle. Vsby 1 NM or less.
.THU...S winds 5 to 10 kt. Waves around 2 ft. Areas of fog. A
chance of showers.
.THU NIGHT...S winds 5 to 10 kt. Waves 2 to 3 ft. A chance of
showers.
.FRI...S winds 10 to 15 kt. Waves 2 to 4 ft. A chance of showers
and tstms.
.FRI NIGHT...SW winds 10 to 15 kt. Waves 2 to 4 ft. Showers and
tstms likely.
.SAT...SW winds around 10 kt. Waves 2 to 4 ft. A chance of
showers and tstms.
.SAT NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft. A chance of
showers.
.SUN AND SUN NIGHT...N winds 5 to 10 kt. Waves 2 to 3 ft.

Winds and waves 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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