909
FZUS51 KBOX 032005
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
405 PM EDT Fri May 3 2024

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

ANZ200-040900-
405 PM EDT Fri May 3 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure remain in control tonight and tomorrow with light winds
and clearing skies. Low pressure system and cold front move through
late Sunday afternoon/evening brining wet weather and areas of fog.
Showers may linger into Monday morning, otherwise mainly dry and
calm conditions to start next week.

$$

ANZ250-040900-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
405 PM EDT Fri May 3 2024

.TONIGHT...N 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...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 6 seconds and E 1 ft at 9 seconds.
.SAT NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 6 seconds and E 1 ft at 11 seconds.
.SUN...SE winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and
SE 2 ft at 3 seconds. A chance of showers in the afternoon.
.SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: E 3 ft at 9 seconds and SE 2 ft at
4 seconds. Showers.
.MON...SW winds around 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft
at 10 seconds and S 2 ft at 3 seconds. A chance of showers in the
morning.
.MON NIGHT...SW winds around 10 kt, becoming W after midnight.
Seas 2 to 3 ft.
.TUE...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE NIGHT THROUGH WED NIGHT...SE winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 ft. A chance of showers.

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.

$$

ANZ251-040900-
Massachusetts Bay and Ipswich Bay-
405 PM EDT Fri May 3 2024

.TONIGHT...E winds around 5 kt, becoming N after midnight. Seas
around 2 ft. Wave Detail: E 2 ft at 5 seconds and E 1 ft at
9 seconds.
.SAT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft
at 6 seconds and E 1 ft at 10 seconds.
.SAT NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 6 seconds and E 1 ft at 11 seconds.
.SUN...SE 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. Wave Detail: SE
2 ft at 3 seconds and E 2 ft at 7 seconds. A chance of showers in
the afternoon.
.SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 5 seconds and E 3 ft at
9 seconds. Showers.
.MON...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 10 seconds and SW 2 ft at 3 seconds. A chance of showers in
the morning.
.MON NIGHT...SW winds around 10 kt, becoming NW after midnight.
Seas around 2 ft.
.TUE...NE winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT THROUGH WED NIGHT...E winds 5 to 10 kt with gusts up
to 20 kt. Seas 2 to 3 ft. A chance of showers.

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.

$$

ANZ231-040900-
Cape Cod Bay-
405 PM EDT Fri May 3 2024

.TONIGHT...NE winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas around 2 ft this evening, then 1 foot or less.
Wave Detail: N 1 ft at 4 seconds and S 1 ft at 5 seconds.
.SAT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE
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:
NE 2 ft at 3 seconds and E 1 ft at 11 seconds.
.SUN...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft
at 9 seconds and E 1 ft at 4 seconds. A chance of showers in the
afternoon.
.SUN NIGHT AND MON...SW winds around 10 kt. Seas around 2 ft.
Wave Detail: E 2 ft at 9 seconds and S 1 ft at 2 seconds.
Showers.
.MON NIGHT...SW winds around 10 kt, becoming W after midnight.
Seas around 2 ft. Wave Detail: E 2 ft at 10 seconds and SW 1 ft
at 3 seconds.
.TUE...N winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT THROUGH WED NIGHT...SE winds 5 to 10 kt. Seas around
2 ft. A chance of showers.

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.

$$

ANZ254-040900-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
405 PM EDT Fri May 3 2024

.TONIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE
2 ft at 5 seconds and S 1 ft at 5 seconds.
.SAT...NE winds around 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 5 to 10 kt. Seas around 3 ft. Wave Detail:
NE 3 ft at 6 seconds and E 1 ft at 11 seconds.
.SUN...SE winds 5 to 10 kt. Seas around 3 ft. Wave Detail: E 3 ft
at 8 seconds and SE 1 ft at 3 seconds.
.SUN NIGHT...S winds around 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 9 seconds and S 1 ft at 3 seconds. A chance of showers in
the evening, then showers likely after midnight.
.MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: E 4 ft at 10 seconds and SW 3 ft at 4 seconds.
A chance of showers in the morning.
.MON NIGHT...SW winds around 10 kt. Seas 3 to 4 ft.
.TUE...N winds 5 to 10 kt. Seas 3 to 4 ft.
.TUE NIGHT THROUGH WED NIGHT...SE winds around 10 kt. Seas 2 to
3 ft. A chance of showers.

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.

$$

ANZ255-040900-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
405 PM EDT Fri May 3 2024

.TONIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N
1 ft at 3 seconds and S 1 ft at 5 seconds.
.SAT...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 5 seconds and S 1 ft at
5 seconds.
.SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 6 seconds and E 1 ft at 10 seconds.
.SUN...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 6 seconds and E 3 ft at 9 seconds.
.SUN NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 4 ft. Wave Detail: S 3 ft at 4 seconds and E
3 ft at 9 seconds. A chance of showers in the evening, then
showers likely after midnight.
.MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: S 3 ft at 5 seconds and E 3 ft at 10 seconds.
A chance of showers in the morning.
.MON NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft.
.TUE...N winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE NIGHT THROUGH WED NIGHT...S winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 4 ft. A chance of showers.

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.

$$

ANZ256-040900-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
405 PM EDT Fri May 3 2024

.TONIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 2 to 3 ft. Wave Detail: E 2 ft at 5 seconds and S
1 ft at 5 seconds.
.SAT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft
at 5 seconds and S 1 ft at 5 seconds.
.SAT NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 5 seconds and E 1 ft at 8 seconds.
.SUN...SE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 6 seconds and E 2 ft at 8 seconds. A chance of showers in
the afternoon.
.SUN NIGHT AND MON...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and SE 3 ft at
9 seconds. A chance of showers in the evening, then showers
through the day.
.MON NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas around 3 ft. Wave Detail: S 3 ft at 5 seconds and
E 2 ft at 10 seconds.
.TUE...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE NIGHT THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 ft. A chance of showers.

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.

$$

ANZ232-040900-
Nantucket Sound-
405 PM EDT Fri May 3 2024

.TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft this evening,
then 1 foot or less. Wave Detail: N 1 ft at 3 seconds and S 1 ft
at 5 seconds, becoming S 1 ft at 5 seconds and NE 1 ft at
5 seconds.
.SAT...NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NE
2 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:
NE 2 ft at 4 seconds and E 1 ft at 10 seconds.
.SUN...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 5 seconds and E 2 ft at 9 seconds. A chance of showers in
the afternoon.
.SUN NIGHT...S winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 4 seconds and E 2 ft at 8 seconds. A chance of showers
in the evening, then showers after midnight.
.MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at
10 seconds. A chance of showers in the morning.
.MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.TUE...N winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT THROUGH WED NIGHT...S winds around 10 kt. Seas around
2 ft. A chance of showers.

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.

$$

ANZ233-040900-
Vineyard Sound-
405 PM EDT Fri May 3 2024

.TONIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 1 foot or less. Wave Detail: NE 1 ft at 3 seconds
and S 1 ft at 5 seconds.
.SAT...NE winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 1 foot or less. Wave Detail: NE 1 ft at 3 seconds
and S 1 ft at 5 seconds.
.SAT NIGHT...E winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: E 1 ft at 4 seconds and E 1 ft at 9 seconds.
.SUN...SE 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 in
the afternoon.
.SUN NIGHT AND MON...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and E 1 ft at
7 seconds. Showers.
.MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 5 seconds and SW 1 ft at 3 seconds.
.TUE...N winds 5 to 10 kt. Seas 1 foot or less.
.TUE NIGHT THROUGH WED NIGHT...S winds around 10 kt. Seas around
2 ft. A chance of showers.

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.

$$

ANZ234-040900-
Buzzards Bay-
405 PM EDT Fri May 3 2024

.TONIGHT...NE winds 10 to 15 kt, diminishing to around 5 kt after
midnight. Seas 1 foot or less. Wave Detail: N 1 ft at 3 seconds
and S 1 ft at 5 seconds.
.SAT...NE winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 1 foot or less. Wave Detail: NE 1 ft at 2 seconds
and S 1 ft at 5 seconds.
.SAT NIGHT...E winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: NE 1 ft at 3 seconds and E 1 ft at 10 seconds.
.SUN...SE winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 1 foot or less. Wave Detail: SE 1 ft at 5 seconds
and E 1 ft at 9 seconds. A chance of showers in the afternoon.
.SUN NIGHT AND MON...SW winds 10 to 15 kt. Seas around 2 ft. Wave
Detail: SW 2 ft at 4 seconds and E 1 ft at 8 seconds. Showers.
.MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: SW 2 ft at 5 seconds
and SW 1 ft at 3 seconds, becoming W 1 ft at 3 seconds and SW
1 ft at 5 seconds.
.TUE...NE winds 5 to 10 kt. Seas 1 foot or less.
.TUE NIGHT THROUGH WED NIGHT...SE winds around 10 kt. Seas around
2 ft. A chance of showers.

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.

$$

ANZ235-040900-
Rhode Island Sound-
405 PM EDT Fri May 3 2024

.TONIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas around 2 ft this evening, then 1 foot or less.
Wave Detail: NE 2 ft at 4 seconds and S 1 ft at 5 seconds,
becoming NE 1 ft at 4 seconds and S 1 ft at 5 seconds.
.SAT...NE winds 5 to 10 kt, becoming E 10 to 15 kt in the
afternoon. Seas 1 foot or less, then around 2 ft in the
afternoon. Wave Detail: NE 1 ft at 4 seconds and S 1 ft at
5 seconds, becoming SE 2 ft at 5 seconds and E 1 ft at 9 seconds.
.SAT NIGHT...E winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
E 2 ft at 4 seconds and SE 1 ft at 7 seconds.
.SUN...SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 5 seconds and E 1 ft at 9 seconds. A chance of showers in
the afternoon.
.SUN NIGHT AND MON...SW winds 10 to 15 kt. Seas around 2 ft. Wave
Detail: S 2 ft at 5 seconds and E 2 ft at 5 seconds. Showers.
.MON NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and
W 1 ft at 3 seconds.
.TUE...NW winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT THROUGH WED NIGHT...SW winds 5 to 10 kt. Seas 2 to
3 ft. A chance of showers.

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.

$$

ANZ237-040900-
Block Island Sound-
405 PM EDT Fri May 3 2024

.TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
2 ft at 4 seconds and S 1 ft at 5 seconds.
.SAT...E winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft
in the afternoon. Wave Detail: SE 1 ft at 5 seconds and SE 1 ft
at 11 seconds, becoming SE 2 ft at 5 seconds and SE 1 ft at
11 seconds.
.SAT NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 6 seconds and SE 1 ft at 11 seconds.
.SUN...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft
at 4 seconds and SE 1 ft at 7 seconds. A chance of showers in the
afternoon.
.SUN NIGHT AND MON...SW winds around 10 kt. Seas around 2 ft.
Wave Detail: SE 2 ft at 4 seconds and E 1 ft at 8 seconds.
Showers.
.MON NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 ft at
5 seconds.
.TUE...NW winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT THROUGH WED NIGHT...S winds 5 to 10 kt. Seas around
2 ft. A chance of showers.

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.

$$

ANZ230-040900-
Boston Harbor-
405 PM EDT Fri May 3 2024

.TONIGHT...E winds 5 to 10 kt, becoming N after midnight. Waves
1 foot or less.
.SAT...NE winds 5 to 10 kt, becoming E 10 to 15 kt in the
afternoon. Waves 1 foot or less.
.SAT NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Waves 1 foot or less.
.SUN...SE winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Waves 1 foot or less, then 2 to 3 ft in the afternoon.
A chance of showers in the afternoon.
.SUN NIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Waves around 2 ft. Showers.
.MON...SW winds around 10 kt. Waves 1 foot or less. A chance of
showers in the morning.
.MON NIGHT...SW winds around 10 kt, becoming NW after midnight.
Waves 1 foot or less.
.TUE...NE winds 5 to 10 kt. Waves 1 foot or less.
.TUE NIGHT THROUGH WED NIGHT...E winds 5 to 10 kt with gusts up
to 20 kt. Waves around 2 ft. A chance of showers.

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.

$$

ANZ236-040900-
Narragansett Bay-
405 PM EDT Fri May 3 2024

.TONIGHT...NE winds 5 to 10 kt. Waves around 2 ft this evening,
then 1 foot or less.
.SAT...NE winds 5 to 10 kt, becoming E 10 to 15 kt in the
afternoon. Waves 1 foot or less, then around 2 ft in the
afternoon.
.SAT NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Waves around 2 ft.
.SUN...SE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Waves 1 foot or less. A chance of
showers in the afternoon.
.SUN NIGHT AND MON...SW winds 10 to 15 kt. Waves around 2 ft.
Showers.
.MON NIGHT...SW winds 5 to 10 kt, becoming W after midnight.
Waves around 2 ft.
.TUE...NW winds 5 to 10 kt. Waves around 2 ft.
.TUE NIGHT THROUGH WED NIGHT...SW winds 5 to 10 kt. Waves around
2 ft. A chance of showers.

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.

$$

For the latest updates...please visit our webpage at
www.weather.gov/boston

You can follow us on Facebook at
www.facebook.com/NWSBoston

You can follow us on Twitter at
@NWSBoston