438
FZUS51 KBOX 012005
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
405 PM EDT Wed May 1 2024

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

ANZ200-020900-
405 PM EDT Wed May 1 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres will be over the waters tonight then move offshore Thu.
Low pres will cross New Eng and the waters Thu afternoon and
evening. High pres over the Maritimes will build south into New
England Fri and Sat, then head to Nova Scotia Sun. A weak front will
move into the region Mon.

$$

ANZ250-020900-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
405 PM EDT Wed May 1 2024

.TONIGHT...E winds around 5 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 5 seconds and E 1 ft at
11 seconds.
.THU...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 4 seconds and SW 1 ft at 3 seconds. A chance of showers.
Patchy fog in the morning.
.THU NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:
SE 2 ft at 4 seconds and SW 1 ft at 3 seconds. Patchy fog. A
chance of showers in the evening. Vsby 1 to 3 NM.
.FRI...NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 4 seconds and
S 1 ft at 6 seconds.
.FRI NIGHT AND SAT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: SE 2 ft at 6 seconds and E 1 ft at 9 seconds.
.SAT NIGHT...SE winds around 10 kt. Seas 2 to 3 ft. Wave Detail:
E 3 ft at 6 seconds and E 1 ft at 10 seconds.
.SUN AND SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. A chance of showers.
.MON AND MON NIGHT...SW 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.

$$

ANZ251-020900-
Massachusetts Bay and Ipswich Bay-
405 PM EDT Wed May 1 2024

.TONIGHT...SE winds around 5 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: E 1 ft at 4 seconds and S 1 ft at
6 seconds.
.THU...S winds 5 to 10 kt, becoming SE 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds
and E 1 ft at 11 seconds.
.THU NIGHT...NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 4 seconds and E 1 ft at 10 seconds. Patchy fog. A
chance of showers in the evening. Vsby 1 to 3 NM.
.FRI...NE winds around 10 kt. Seas around 2 ft. Wave Detail: NE
2 ft at 4 seconds and S 1 ft at 5 seconds.
.FRI NIGHT AND SAT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave
Detail: SE 2 ft at 6 seconds and E 1 ft at 9 seconds.
.SAT NIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt after
midnight. Seas around 2 ft. Wave Detail: E 2 ft at 6 seconds and
E 1 ft at 10 seconds.
.SUN AND SUN NIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt.
Gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers.
.MON AND MON NIGHT...SW winds around 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.

$$

ANZ231-020900-
Cape Cod Bay-
405 PM EDT Wed May 1 2024

.TONIGHT...NE winds around 5 kt, becoming S around 5 kt after
midnight. Seas around 2 ft this evening, then 1 foot or less.
Wave Detail: NE 1 ft at 3 seconds and S 1 ft at 6 seconds,
becoming NE 1 ft at 4 seconds and S 1 ft at 6 seconds.
.THU...S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft
in the afternoon. Wave Detail: S 1 ft at 3 seconds and E 1 ft at
4 seconds, becoming SW 1 ft at 3 seconds and SE 1 ft at
3 seconds.
.THU NIGHT...E winds 5 to 10 kt, becoming NE after midnight. Seas
around 2 ft. Wave Detail: SW 1 ft at 3 seconds and SE 1 ft at
4 seconds. Patchy fog. A chance of showers in the evening. Vsby
1 to 3 NM.
.FRI...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N 1 ft
at 3 seconds and S 1 ft at 6 seconds.
.FRI NIGHT AND SAT...NE winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: N 1 ft at 4 seconds and S 1 ft at 5 seconds.
.SAT NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
1 ft at 2 seconds and E 1 ft at 10 seconds.
.SUN THROUGH MON...SW winds 5 to 10 kt with gusts up to 20 kt.
Seas around 2 ft. A chance of showers.
.MON NIGHT...SW winds around 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.

$$

ANZ254-020900-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
405 PM EDT Wed May 1 2024

.TONIGHT...NE winds 5 to 10 kt, becoming SE after midnight. Seas
2 to 3 ft. Wave Detail: E 2 ft at 5 seconds and S 2 ft at
6 seconds.
.THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at
7 seconds and E 1 ft at 4 seconds. Patchy fog in the afternoon. A
chance of showers in the afternoon with vsby 1 to 3 NM.
.THU NIGHT...SE winds 5 to 10 kt, becoming NE 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: E
2 ft at 4 seconds and S 2 ft at 6 seconds. Patchy fog. A chance
of showers in the evening. Vsby 1 to 3 NM.
.FRI...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft. Wave Detail: NE 2 ft at 4 seconds and S 2 ft at
6 seconds.
.FRI NIGHT AND SAT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: NE 3 ft at 6 seconds and S 1 ft at 5 seconds.
.SAT NIGHT...E winds around 10 kt. Seas 2 to 3 ft. Wave Detail:
NE 3 ft at 6 seconds and E 1 ft at 10 seconds.
.SUN THROUGH MON...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. A chance of showers.
.MON NIGHT...SW 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.

$$

ANZ255-020900-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
405 PM EDT Wed May 1 2024

.TONIGHT...NE winds 5 to 10 kt, becoming SE after midnight. Seas
2 to 4 ft. Wave Detail: SW 3 ft at 7 seconds and NE 2 ft at
5 seconds. Patchy fog after midnight.
.THU...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 6 seconds and E 1 ft at 5 seconds. Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...SW winds 5 to 10 kt, becoming NE 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: NE
2 ft at 5 seconds and S 2 ft at 6 seconds. Patchy fog. Vsby 1 to
3 NM.
.FRI...NE winds around 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: NE 3 ft at 4 seconds and S 2 ft at 6 seconds.
.FRI NIGHT THROUGH SAT NIGHT...E winds 10 to 15 kt. Seas 2 to
3 ft. Wave Detail: NE 3 ft at 5 seconds and S 1 ft at 5 seconds.
.SUN THROUGH MON...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: E 4 ft at 9 seconds and SE 3 ft at
6 seconds. A chance of showers.
.MON NIGHT...SW 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.

$$

ANZ256-020900-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
405 PM EDT Wed May 1 2024

.TONIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and E 2 ft at
5 seconds. Patchy fog after midnight with vsby 1 NM or less.
.THU...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 6 seconds and E 1 ft at 5 seconds. Patchy fog. Vsby 1 NM or
less in the morning.
.THU NIGHT...W winds 5 to 10 kt, becoming NE 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: NE
2 ft at 5 seconds and S 2 ft at 6 seconds. Patchy fog.
.FRI...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds and S 2 ft at
6 seconds.
.FRI NIGHT THROUGH SAT NIGHT...E winds 10 to 15 kt. Seas 2 to
3 ft. Wave Detail: E 3 ft at 5 seconds and S 1 ft at 5 seconds.
.SUN THROUGH MON...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and SE 2 ft at
6 seconds. A chance of showers.
.MON NIGHT...SW winds 10 to 15 kt. Seas around 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.

$$

ANZ232-020900-
Nantucket Sound-
405 PM EDT Wed May 1 2024

.TONIGHT...NE winds 5 to 10 kt, becoming SE after midnight. Seas
around 2 ft. Wave Detail: E 2 ft at 5 seconds and S 1 ft at
6 seconds.
.THU...S winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 4 seconds and E 1 ft at 5 seconds. Patchy fog in the
afternoon.
.THU NIGHT...SE winds 5 to 10 kt, becoming NE 10 to 15 kt with
gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail:
E 2 ft at 4 seconds and SW 1 ft at 3 seconds. Patchy fog. Vsby
1 to 3 NM.
.FRI...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas around 2 ft. Wave Detail: NE 2 ft at 3 seconds and S 1 ft at
5 seconds.
.FRI NIGHT THROUGH SAT NIGHT...E winds 5 to 10 kt. Seas around
2 ft. Wave Detail: N 2 ft at 4 seconds and S 1 ft at 5 seconds.
.SUN THROUGH MON...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and E 2 ft at
10 seconds. A chance of showers.
.MON NIGHT...SW winds around 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.

$$

ANZ233-020900-
Vineyard Sound-
405 PM EDT Wed May 1 2024

.TONIGHT...E winds 5 to 10 kt, becoming SE after midnight. Seas
around 2 ft. Wave Detail: SW 2 ft at 6 seconds and NE 1 ft at
3 seconds.
.THU...S winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and
E 1 ft at 5 seconds. Patchy fog.
.THU NIGHT...NW winds 5 to 10 kt, becoming NE 10 to 15 kt with
gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail:
S 2 ft at 6 seconds and SW 1 ft at 3 seconds. Patchy fog in the
evening.
.FRI...NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NE
1 ft at 3 seconds and S 1 ft at 5 seconds.
.FRI NIGHT THROUGH SAT NIGHT...E winds 10 to 15 kt. Seas around
2 ft. Wave Detail: NE 1 ft at 3 seconds and S 1 ft at 5 seconds.
.SUN THROUGH MON...SW winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: SE 1 ft at 4 seconds and E 1 ft at 9 seconds. A chance of
showers.
.MON NIGHT...SW winds around 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.

$$

ANZ234-020900-
Buzzards Bay-
405 PM EDT Wed May 1 2024

.TONIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
around 2 ft this evening, then 1 foot or less. Wave Detail: NE
1 ft at 2 seconds and SW 1 ft at 6 seconds, becoming E 1 ft at
4 seconds and SW 1 ft at 6 seconds.
.THU...S winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and
SW 1 ft at 2 seconds. Patchy fog in the afternoon.
.THU NIGHT...NW winds 5 to 10 kt, becoming NE 10 to 15 kt with
gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail:
S 2 ft at 6 seconds and SW 1 ft at 3 seconds. Patchy fog.
.FRI...NE winds 10 to 15 kt. Seas around 2 ft in the morning,
then 1 foot or less. Wave Detail: NE 1 ft at 3 seconds and S 1 ft
at 5 seconds.
.FRI NIGHT THROUGH SAT NIGHT...E winds 10 to 15 kt. Seas 1 foot
or less. Wave Detail: NE 1 ft at 3 seconds and S 1 ft at
5 seconds.
.SUN THROUGH MON...SW winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: SE 1 ft at 4 seconds and E 1 ft at 9 seconds. A chance of
showers.
.MON NIGHT...SW winds around 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.

$$

ANZ235-020900-
Rhode Island Sound-
405 PM EDT Wed May 1 2024

.TONIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: S 2 ft at 7 seconds and E 1 ft at
4 seconds. Patchy fog after midnight with vsby 1 to 3 NM.
.THU...S winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 6 seconds and E 1 ft at 10 seconds. Patchy fog. Vsby 1 NM
or less in the morning.
.THU NIGHT...NW winds 5 to 10 kt, becoming NE 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: NE
2 ft at 5 seconds and S 2 ft at 6 seconds. Patchy fog in the
evening.
.FRI...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft. Wave Detail: NE 2 ft at 3 seconds and S 2 ft at
5 seconds.
.FRI NIGHT THROUGH SAT NIGHT...E winds 10 to 15 kt. Seas around
2 ft. Wave Detail: NE 2 ft at 4 seconds and S 1 ft at 6 seconds.
.SUN THROUGH MON...SW winds 10 to 15 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 4 seconds and SE 2 ft at 7 seconds. A chance of
showers.
.MON NIGHT...W winds 10 to 15 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.

$$

ANZ237-020900-
Block Island Sound-
405 PM EDT Wed May 1 2024

.TONIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 6 seconds and E 1 ft at
10 seconds. Patchy fog after midnight with vsby 1 NM or less.
.THU...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft
at 6 seconds and E 1 ft at 9 seconds. Patchy fog. Vsby 1 NM or
less in the morning.
.THU NIGHT...NW winds 5 to 10 kt, becoming NE 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: NE
2 ft at 5 seconds and S 2 ft at 6 seconds. Patchy fog in the
evening.
.FRI...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft. Wave Detail: NE 2 ft at 4 seconds and S 2 ft at
5 seconds.
.FRI NIGHT AND SAT...E winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 5 seconds and E 1 ft at 9 seconds.
.SAT NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 5 seconds. A chance of showers after midnight.
.SUN THROUGH MON...SW winds around 10 kt. Seas around 2 ft. A
chance of showers.
.MON NIGHT...W 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.

$$

ANZ230-020900-
Boston Harbor-
405 PM EDT Wed May 1 2024

.TONIGHT...SE winds around 5 kt. Waves 1 foot or less.
.THU...S winds 5 to 10 kt. Waves 1 foot or less, then around 2 ft
in the afternoon.
.THU NIGHT...NE winds 10 to 15 kt. Waves around 2 ft. Patchy fog.
A chance of showers in the evening with vsby 1 to 3 NM.
.FRI...NE winds 10 to 15 kt. Waves around 2 ft in the morning,
then 1 foot or less.
.FRI NIGHT THROUGH SAT NIGHT...SE winds 10 to 15 kt. Waves around
2 ft.
.SUN AND SUN NIGHT...SE winds 5 to 10 kt, becoming S. Waves
around 2 ft. A chance of showers.
.MON AND MON NIGHT...W winds around 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.

$$

ANZ236-020900-
Narragansett Bay-
405 PM EDT Wed May 1 2024

.TONIGHT...SE winds 5 to 10 kt, becoming S after midnight. Waves
around 2 ft. Patchy fog after midnight with vsby 1 to 3 NM.
.THU...S winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Waves around 2 ft. Patchy fog in the morning with vsby
1 NM or less.
.THU NIGHT...NW winds 5 to 10 kt, becoming NE with gusts up to
20 kt after midnight. Waves around 2 ft.
.FRI...NE winds 10 to 15 kt. Waves around 2 ft.
.FRI NIGHT THROUGH SAT NIGHT...E winds 10 to 15 kt. Waves around
2 ft.
.SUN AND SUN NIGHT...S winds 5 to 10 kt. Waves 1 foot or less,
then around 2 ft. A chance of showers.
.MON AND MON NIGHT...SW 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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