021
FZUS51 KBOX 220804
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
403 AM EDT Wed May 22 2024

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

ANZ200-222100-
403 AM EDT Wed May 22 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres builds southeast of the waters today. A cold front slides
into southern New England late on Thu and across the waters by
early/mid Fri. The front will bring showers and thunderstorms. Hit
or miss showers and storms possible through the weekend with a front
nearby. A frontal system lifts toward the waters early next week.

$$

ANZ250-222100-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
403 AM EDT Wed May 22 2024

.TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas 2 to 4 ft. Wave Detail: S 3 ft at 4 seconds and E 3 ft at
8 seconds.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at 8 seconds.
Patchy fog after midnight with vsby 1 NM or less.
.THU...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at
8 seconds. Patchy fog in the morning with vsby 1 NM or less.
.THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:
SW 2 ft at 4 seconds and E 1 foot at 8 seconds. A chance of
showers in the evening.
.FRI...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
around 2 ft. Wave Detail: W 2 ft at 3 seconds and E 1 foot at
8 seconds.
.FRI NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and
SE 1 foot at 9 seconds.
.SAT THROUGH SUN NIGHT...S 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.

$$

ANZ251-222100-
Massachusetts Bay and Ipswich Bay-
403 AM EDT Wed May 22 2024

.TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and S 2 ft at
3 seconds.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E
2 ft at 8 seconds. Patchy fog after midnight with vsby 1 NM or
less.
.THU...SW winds around 10 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 3 seconds and E 2 ft at 7 seconds. Patchy fog in the
morning. A chance of showers in the afternoon. Vsby 1 NM or less
in the morning.
.THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 3 seconds and E 1 foot at 7 seconds. A chance of
showers in the evening.
.FRI...W winds 5 to 10 kt, becoming S in the afternoon. Seas
1 foot or less. Wave Detail: W 1 foot at 3 seconds and E 1 foot
at 7 seconds.
.FRI NIGHT...SW winds around 10 kt, becoming W after midnight.
Seas 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and E
1 foot at 8 seconds.
.SAT THROUGH SUN NIGHT...S winds 5 to 10 kt. Seas 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.

$$

ANZ231-222100-
Cape Cod Bay-
403 AM EDT Wed May 22 2024

.TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and E 2 ft at
8 seconds. Patchy fog this morning with vsby 1 NM or less.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 foot at
8 seconds. Patchy fog after midnight with vsby 1 NM or less.
.THU...SW winds around 10 kt. Seas around 2 ft. Wave Detail: SW
1 foot at 3 seconds and E 1 foot at 8 seconds. Patchy fog in the
morning with vsby 1 NM or less.
.THU NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: SW 1 foot at 3 seconds and E 1 foot at 8 seconds. A
chance of showers.
.FRI...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW
1 foot at 2 seconds and E 1 foot at 8 seconds. A chance of
showers in the morning.
.FRI NIGHT...SW winds around 10 kt, becoming W after midnight.
Seas 1 foot or less. Wave Detail: SW 1 foot at 2 seconds and SE
1 foot at 8 seconds.
.SAT THROUGH SUN NIGHT...S winds 5 to 10 kt. Seas 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.

$$

ANZ254-222100-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
403 AM EDT Wed May 22 2024

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 3 ft at 4 seconds and E 3 ft at 8 seconds.
Patchy dense fog this morning. Patchy fog this afternoon. Vsby
1 NM or less.
.TONIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas
around 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at
8 seconds. Patchy fog in the evening, then patchy dense fog after
midnight. Vsby 1 NM or less.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
3 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 8 seconds.
Patchy dense fog in the morning with vsby 1 NM or less.
.THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E
1 foot at 8 seconds. A chance of showers.
.FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft
at 4 seconds and E 1 foot at 8 seconds. A chance of showers in
the morning.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW
2 ft at 4 seconds and SE 1 foot at 9 seconds.
.SAT THROUGH SUN NIGHT...S winds 5 to 10 kt. Seas 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.

$$

ANZ255-222100-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
403 AM EDT Wed May 22 2024

.TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 3 ft at
8 seconds. Patchy dense fog this morning, then patchy fog this
afternoon. Vsby 1 NM or less.
.TONIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at
8 seconds. Patchy fog in the evening, then patchy dense fog after
midnight. Vsby 1 NM or less.
.THU...SW winds around 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 8 seconds.
Patchy dense fog in the morning with vsby 1 NM or less.
.THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E
1 foot at 8 seconds. A chance of showers. Patchy fog in the
evening.
.FRI...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SW
2 ft at 5 seconds and E 1 foot at 8 seconds. A chance of showers
in the morning.
.FRI NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW
2 ft at 5 seconds and SE 1 foot at 9 seconds.
.SAT THROUGH SUN NIGHT...SE 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.

$$

ANZ256-222100-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
403 AM EDT Wed May 22 2024

.TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and SW 2 ft at
4 seconds. Patchy dense fog this morning, then patchy fog this
afternoon. Vsby 1 NM or less.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E
2 ft at 8 seconds. Patchy fog in the evening, then patchy dense
fog after midnight. Vsby 1 NM or less.
.THU...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft
at 5 seconds and E 2 ft at 8 seconds. Patchy dense fog in the
morning with vsby 1 NM or less.
.THU NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds
and E 1 foot at 8 seconds. A chance of showers.
.FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 5 seconds and E 1 foot at 8 seconds. A chance of showers in
the morning.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW
2 ft at 5 seconds and SE 1 foot at 8 seconds.
.SAT THROUGH SUN NIGHT...SE 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.

$$

ANZ232-222100-
Nantucket Sound-
403 AM EDT Wed May 22 2024

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 foot at
8 seconds. Patchy dense fog this morning. Patchy fog this
afternoon. Vsby 1 NM or less.
.TONIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at
8 seconds. Patchy fog in the evening, then patchy dense fog after
midnight. Vsby 1 NM or less.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at
7 seconds. Patchy dense fog in the morning with vsby 1 NM or
less.
.THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and
E 1 foot at 7 seconds. A chance of showers. Patchy fog in the
evening.
.FRI...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW
1 foot at 4 seconds and E 1 foot at 7 seconds. A chance of
showers in the morning.
.FRI NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: SW 1 foot at 3 seconds and SE 1 foot at 8 seconds.
.SAT THROUGH SUN NIGHT...S winds 5 to 10 kt. Seas 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.

$$

ANZ233-222100-
Vineyard Sound-
403 AM EDT Wed May 22 2024

.TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot
at 9 seconds. Patchy dense fog this morning, then patchy fog this
afternoon. Vsby 1 NM or less.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and
E 1 foot at 9 seconds. Patchy fog. Vsby 1 NM or less.
.THU...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot
at 8 seconds. Patchy dense fog in the morning with vsby 1 NM or
less.
.THU NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at
5 seconds and SE 1 foot at 8 seconds. A chance of showers.
.FRI...SW winds around 5 kt, increasing to around 10 kt in the
afternoon. Seas 1 foot or less. Wave Detail: SW 1 foot at
5 seconds and SE 1 foot at 8 seconds. A chance of showers in the
morning.
.FRI NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 5 seconds and SE 1 foot at 8 seconds.
.SAT THROUGH SUN NIGHT...S winds 5 to 10 kt. Seas 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.

$$

ANZ234-222100-
Buzzards Bay-
403 AM EDT Wed May 22 2024

.TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas 1 foot or less, then around 2 ft this afternoon. Wave
Detail: SW 1 foot at 4 seconds and E 1 foot at 9 seconds,
becoming SW 2 ft at 4 seconds and E 1 foot at 9 seconds. Patchy
fog. Vsby 1 NM or less.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and
E 1 foot at 9 seconds. Patchy fog. Vsby 1 NM or less.
.THU...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot
at 8 seconds. Patchy dense fog in the morning with vsby 1 NM or
less.
.THU NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at
5 seconds and SE 1 foot at 8 seconds. A chance of showers.
.FRI...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW
1 foot at 5 seconds and SE 1 foot at 8 seconds. A chance of
showers in the morning.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: SW 1 foot at 5 seconds and SE 1 foot at 8 seconds.
.SAT THROUGH SUN NIGHT...S winds 5 to 10 kt. Seas 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.

$$

ANZ235-222100-
Rhode Island Sound-
403 AM EDT Wed May 22 2024

.TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot
at 9 seconds. Patchy fog. Vsby 1 NM or less.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at
9 seconds. Patchy fog. Vsby 1 NM or less.
.THU...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot
at 8 seconds. Patchy dense fog in the morning with vsby 1 NM or
less.
.THU NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at
5 seconds and SE 1 foot at 8 seconds. A chance of showers.
.FRI...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 5 seconds and SE 1 foot at 8 seconds. A chance of showers
in the morning.
.FRI NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 5 seconds and SE 1 foot at 8 seconds.
.SAT THROUGH SUN NIGHT...S winds 5 to 10 kt. Seas 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.

$$

ANZ237-222100-
Block Island Sound-
403 AM EDT Wed May 22 2024

.TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft
at 9 seconds. Patchy fog. Vsby 1 NM or less.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and
SE 2 ft at 9 seconds. Patchy fog. Vsby 1 NM or less.
.THU...SW winds around 10 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 5 seconds and E 1 foot at 8 seconds. Patchy dense fog in
the morning with vsby 1 NM or less.
.THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 4 seconds and SE 1 foot at 8 seconds. A chance of
showers.
.FRI...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 5 seconds and SE 1 foot at 8 seconds. A chance of showers
in the morning.
.FRI NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 4 seconds and SE 1 foot at 8 seconds.
.SAT THROUGH SUN NIGHT...SE winds 5 to 10 kt. Seas 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.

$$

ANZ230-222100-
Boston Harbor-
403 AM EDT Wed May 22 2024

.TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt this afternoon. Waves 1 foot or less, then
around 2 ft this afternoon.
.TONIGHT...SW winds 10 to 15 kt. Waves around 2 ft. Patchy fog
after midnight with vsby 1 NM or less.
.THU...SW winds around 10 kt. Waves 1 foot or less. Patchy fog in
the morning. A chance of showers in the afternoon. Vsby 1 NM or
less in the morning.
.THU NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. A chance
of showers in the evening.
.FRI...SW winds 5 to 10 kt. Waves 1 foot or less.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 foot or less.
.SAT THROUGH SUN NIGHT...S 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.

$$

ANZ236-222100-
Narragansett Bay-
403 AM EDT Wed May 22 2024

.TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt this afternoon. Waves around 2 ft. Patchy fog.
Vsby 1 NM or less.
.TONIGHT...SW winds 10 to 15 kt. Waves around 2 ft. Patchy fog.
Vsby 1 NM or less.
.THU...SW winds around 10 kt. Waves around 2 ft. Patchy fog in
the morning with vsby 1 NM or less.
.THU NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. A chance of
showers.
.FRI...SW winds 5 to 10 kt. Waves around 2 ft. A chance of
showers in the morning.
.FRI NIGHT...W winds 5 to 10 kt. Waves around 2 ft.
.SAT THROUGH SUN NIGHT...S winds 5 to 10 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.

$$

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