Coastal Waters Forecast
Issued by NWS Boston, MA

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493
FZUS51 KBOX 081843
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
Issued by National Weather Service New York NY
243 PM EDT Wed May 8 2024

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

ANZ200-090715-
243 PM EDT Wed May 8 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
Showers and isolated thunderstorms move through the region this
morning ahead of a warm front. Then a second round of scattered
showers and thunderstorms develop this afternoon with a few strong
storms capable of producing hail. Periods of unsettled weather
continue late this week into this weekend with showers at times.
Temperatures will average below normal late this week into the
weekend. Milder/Seasonable temperatures should return early next
week.

$$

ANZ250-090715-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
243 PM EDT Wed May 8 2024

.TONIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Isolated showers
and tstms this evening with vsby 1 NM or less.
.THU...N winds around 10 kt. Seas 2 to 4 ft.
.THU NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 3 to 5 ft. Scattered showers after midnight.
.FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft. Scattered showers in the morning, then a chance of rain in
the afternoon.
.FRI NIGHT...NE winds around 10 kt. Seas 4 to 5 ft. A chance of
rain in the evening.
.SAT AND SAT NIGHT...S winds around 10 kt. Seas 3 to 5 ft.
.SUN THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to
20 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.

$$

ANZ251-090715-
Massachusetts Bay and Ipswich Bay-
243 PM EDT Wed May 8 2024

.TONIGHT...NE winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft. Isolated showers and tstms this evening with vsby
1 NM or less.
.THU...N winds around 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Scattered showers in the afternoon.
.THU NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 2 to 3 ft. Scattered showers.
.FRI...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 3 to 5 ft. Scattered showers in the morning, then
a chance of rain in the afternoon.
.FRI NIGHT...NE winds around 10 kt. Seas 3 to 5 ft. A chance of
rain.
.SAT...NE winds around 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...SE winds around 10 kt, becoming S after midnight.
Seas 3 to 5 ft.
.SUN AND SUN NIGHT...SE winds around 10 kt. Seas 2 to 3 ft. A
chance of rain.
.MON AND MON NIGHT...NE winds around 10 kt, becoming SW. 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.

$$

ANZ231-090715-
Cape Cod Bay-
243 PM EDT Wed May 8 2024

.TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. Scattered
showers and tstms this evening with vsby 1 NM or less.
.THU...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Scattered showers in the afternoon.
.THU NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Scattered
showers.
.FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Scattered showers in the morning.
.FRI NIGHT...NE winds around 10 kt. Seas 2 to 4 ft. A chance of
rain in the evening.
.SAT AND SAT NIGHT...SW winds around 10 kt. Seas 2 to 3 ft.
.SUN THROUGH MON NIGHT...SW winds around 10 kt with gusts up to
20 kt. Seas around 2 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.

$$

ANZ254-090715-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
243 PM EDT Wed May 8 2024

.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming
W 5 to 10 kt after midnight. Seas 2 to 4 ft. Scattered showers
and tstms this evening with vsby 1 NM or less.
.THU...NW winds 5 to 10 kt, becoming N in the afternoon. Seas
2 to 4 ft. Scattered showers in the afternoon.
.THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Scattered
showers.
.FRI...NE winds 10 to 15 kt. Seas 4 to 6 ft. Scattered showers in
the morning.
.FRI NIGHT AND SAT...N winds around 10 kt. Seas 4 to 6 ft.
.SAT NIGHT...SW winds around 10 kt. Seas 3 to 5 ft.
.SUN THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to
20 kt. Seas 3 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.

$$

ANZ255-090715-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
243 PM EDT Wed May 8 2024

.TONIGHT...SW winds 15 to 20 kt, becoming W 5 to 10 kt after
midnight. Seas 3 to 4 ft. Scattered showers with isolated tstms
this evening with vsby 1 NM or less.
.THU...NW winds around 10 kt, becoming NE with gusts up to 20 kt
in the afternoon. Seas 2 to 4 ft. Scattered showers in the
afternoon.
.THU NIGHT...NE winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. Seas 2 to 4 ft. Scattered showers.
.FRI...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 3 to 5 ft. Scattered showers in the morning.
.FRI NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 5 ft.
.SAT AND SAT NIGHT...S winds around 10 kt. Seas 3 to 5 ft.
.SUN THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to
20 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.

$$

ANZ256-090715-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
243 PM EDT Wed May 8 2024

.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming
W 5 to 10 kt after midnight. Seas 3 to 4 ft. Isolated showers and
tstms this evening with vsby 1 NM or less.
.THU...NW winds 5 to 10 kt, becoming E 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Scattered showers in the afternoon.
.THU NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Scattered showers.
.FRI...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 3 to 5 ft. Scattered showers in the morning.
.FRI NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 5 ft.
.SAT AND SAT NIGHT...S winds around 10 kt. Seas 3 to 5 ft.
.SUN THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to
20 kt. Seas 3 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.

$$

ANZ232-090715-
Nantucket Sound-
243 PM EDT Wed May 8 2024

.TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas around 2 ft. Scattered showers and tstms this
evening with vsby 1 NM or less.
.THU...NW winds 5 to 10 kt, becoming NE 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Scattered showers in the afternoon.
.THU NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 2 to 3 ft. Scattered showers.
.FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Scattered showers in the morning.
.FRI NIGHT...NE winds around 10 kt. Seas 2 to 3 ft.
.SAT AND SAT NIGHT...S winds around 10 kt. Seas 2 to 3 ft.
.SUN THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to
20 kt. Seas around 2 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.

$$

ANZ233-090715-
Vineyard Sound-
243 PM EDT Wed May 8 2024

.TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas around 2 ft. Scattered showers and tstms this
evening with vsby 1 NM or less.
.THU...NW winds 5 to 10 kt, becoming NE 10 to 15 kt in the
afternoon. Seas around 2 ft. Scattered showers in the afternoon.
.THU NIGHT...NE winds 15 to 20 kt. Seas around 2 ft. Scattered
showers.
.FRI...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Scattered showers in the morning.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT AND SAT NIGHT...S winds around 10 kt. Seas around 2 ft.
.SUN THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to
20 kt. Seas around 2 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.

$$

ANZ234-090715-
Buzzards Bay-
243 PM EDT Wed May 8 2024

.TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas around 2 ft. Scattered showers and tstms this
evening with vsby 1 NM or less.
.THU...NW winds 5 to 10 kt, becoming NE 10 to 15 kt in the
afternoon. Seas around 2 ft. Scattered showers in the afternoon.
.THU NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas around 2 ft. Scattered showers.
.FRI...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Scattered showers in the morning.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
rain in the evening.
.SAT AND SAT NIGHT...S winds around 10 kt. Seas around 2 ft.
.SUN THROUGH MON NIGHT...SW winds around 10 kt with gusts up to
20 kt. Seas around 2 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.

$$

ANZ235-090715-
Rhode Island Sound-
243 PM EDT Wed May 8 2024

.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming
W 5 to 10 kt after midnight. Seas 2 to 3 ft. Scattered showers
with isolated tstms this evening with vsby 1 NM or less.
.THU...NW winds 5 to 10 kt, becoming E 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Scattered showers in the afternoon.
.THU NIGHT...NE winds 15 to 20 kt. Seas 2 to 3 ft. Scattered
showers.
.FRI...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 2 to 4 ft. Scattered showers in the morning, then
a chance of rain in the afternoon.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
rain in the evening.
.SAT AND SAT NIGHT...S winds around 10 kt. Seas 2 to 3 ft.
.SUN THROUGH MON NIGHT...SW winds 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.

$$

ANZ237-090715-
Block Island Sound-
243 PM EDT Wed May 8 2024

.TONIGHT...W winds 5 to 10 kt. Gusts up to 20 kt this evening.
Seas 2 to 3 ft. Isolated showers and tstms this evening with vsby
1 NM or less.
.THU...NW winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft. Scattered showers in the afternoon.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Scattered showers.
.FRI...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 4 ft. Scattered showers in the morning, then a chance
of rain in the afternoon.
.FRI NIGHT...NE winds around 10 kt. Seas 3 to 4 ft. A chance of
rain in the evening.
.SAT AND SAT NIGHT...S winds around 10 kt. Seas 2 to 3 ft.
.SUN THROUGH MON NIGHT...SW winds 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.

$$

ANZ230-090715-
Boston Harbor-
243 PM EDT Wed May 8 2024

.TONIGHT...NE winds 5 to 10 kt, becoming W after midnight. Waves
1 foot or less. Isolated showers and tstms this evening with vsby
1 NM or less.
.THU...N winds 5 to 10 kt, becoming NE 10 to 15 kt in the
afternoon. Waves 1 foot or less, then around 2 ft in the
afternoon. Scattered showers in the afternoon.
.THU NIGHT...E winds 10 to 15 kt, becoming NE 15 to 20 kt after
midnight. Gusts up to 25 kt. Waves around 2 ft. Scattered
showers.
.FRI...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Waves 2 to 3 ft. Scattered showers in the morning,
then a chance of rain in the afternoon.
.FRI NIGHT...NE winds 10 to 15 kt. Waves 2 to 3 ft in the
evening, then 1 foot or less. At the outer harbor entrance, waves
2 to 4 ft. A chance of rain.
.SAT...NE winds around 10 kt. Waves 2 to 3 ft.
.SAT NIGHT...SE winds around 10 kt, becoming SW after midnight.
Waves around 2 ft in the evening, then 1 foot or less.
.SUN AND SUN NIGHT...SE winds 5 to 10 kt, becoming E. Waves
around 2 ft. A chance of rain.
.MON AND MON NIGHT...NW winds around 10 kt, becoming SW. Waves
around 2 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.

$$

ANZ236-090715-
Narragansett Bay-
243 PM EDT Wed May 8 2024

.TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Waves around 2 ft. Isolated showers and tstms this
evening with vsby 1 NM or less.
.THU...NW winds 5 to 10 kt, becoming NE 10 to 15 kt in the
afternoon. Waves around 2 ft. Scattered showers in the afternoon.
.THU NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft. Scattered showers.
.FRI...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Waves 2 to 3 ft. Scattered showers in the morning, then a chance
of rain in the afternoon.
.FRI NIGHT...NE winds around 10 kt. Waves 2 to 3 ft. A chance of
rain in the evening.
.SAT AND SAT NIGHT...S winds 5 to 10 kt. Waves 2 to 3 ft.
.SUN THROUGH MON NIGHT...SW winds 5 to 10 kt with gusts up to
20 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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