312
FZUS51 KBOX 040805
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
404 AM EDT Sat May 4 2024

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

ANZ200-042100-
404 AM EDT Sat May 4 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure remains anchored over New England and the nearby
coastal waters through Sunday.  A weak cold front then moves across
New England Monday and offshore Monday night. Weak high pressure
builds back over the area Tuesday.  A series of weak lows then pass
over or just south of New England mid to late next week.

$$

ANZ250-042100-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
404 AM EDT Sat May 4 2024

.TODAY...NE winds 5 to 10 kt. Gusts up to 20 kt this morning.
Seas 2 to 4 ft. Wave Detail: NE 3 ft at 7 seconds and SE 1 ft at
11 seconds.
.TONIGHT...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 E
3 ft at 11 seconds.
.SUN NIGHT...S 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 S 2 ft at
3 seconds. Showers.
.MON...S winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 3 to 4 ft. Wave Detail: E 4 ft at 10 seconds and S 2 ft at
3 seconds. Showers likely, mainly in the morning.
.MON NIGHT...SW winds around 10 kt, becoming NW after midnight.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 11 seconds and SW 2 ft at
3 seconds.
.TUE AND TUE NIGHT...NE winds 5 to 10 kt, becoming S. Seas 2 to
3 ft.
.WED AND WED NIGHT...SE winds around 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.

$$

ANZ251-042100-
Massachusetts Bay and Ipswich Bay-
404 AM EDT Sat May 4 2024

.TODAY...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 6 seconds and E 1 ft at 11 seconds.
.TONIGHT...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 E
2 ft at 11 seconds.
.SUN NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and S
2 ft at 4 seconds. Showers.
.MON...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 10 seconds and S 1 ft at 3 seconds. Showers likely in the
morning.
.MON NIGHT...SW winds around 10 kt, becoming NW after midnight.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 11 seconds and SW 1 ft at
3 seconds.
.TUE AND TUE NIGHT...NE winds 5 to 10 kt, becoming S. Seas around
2 ft.
.WED AND WED NIGHT...SE 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.

$$

ANZ231-042100-
Cape Cod Bay-
404 AM EDT Sat May 4 2024

.TODAY...NE winds 5 to 10 kt. Gusts up to 20 kt this morning.
Seas around 2 ft. Wave Detail: NE 1 ft at 4 seconds and E 1 ft at
10 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
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: SE
2 ft at 3 seconds and E 2 ft at 10 seconds.
.SUN NIGHT...S winds around 10 kt. Seas around 2 ft. Wave Detail:
E 2 ft at 9 seconds and S 1 ft at 2 seconds. A chance of rain in
the evening, then showers after midnight.
.MON...SW winds around 10 kt. Seas around 2 ft. Wave Detail: E
2 ft at 10 seconds and S 1 ft at 2 seconds. Showers likely,
mainly in the morning.
.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 2 seconds.
.TUE AND TUE NIGHT...NE winds 5 to 10 kt, becoming S. Seas around
2 ft, then 1 foot or less.
.WED AND WED NIGHT...SE winds 5 to 10 kt with gusts up to 20 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.

$$

ANZ254-042100-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
404 AM EDT Sat May 4 2024

.TODAY...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: NE 3 ft at 6 seconds and S 1 ft at 5 seconds.
.TONIGHT...E winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Seas around 3 ft. Wave Detail: NE 3 ft at 6 seconds and E 1 ft at
11 seconds.
.SUN...SE winds around 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft
at 7 seconds and E 3 ft at 11 seconds.
.SUN NIGHT...S winds 10 to 15 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. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 10 seconds and SW 3 ft at 4 seconds. Showers likely, mainly in
the morning.
.MON NIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
3 ft at 11 seconds and S 2 ft at 5 seconds.
.TUE THROUGH WED...SE winds 5 to 10 kt with gusts up to 20 kt.
Seas 2 to 4 ft.
.WED NIGHT...SE winds around 10 kt with gusts up to 20 kt. Seas
around 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.

$$

ANZ255-042100-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
404 AM EDT Sat May 4 2024

.TODAY...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: NE 3 ft at 5 seconds and S 1 ft at 5 seconds.
.TONIGHT...E winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Seas 2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds and SE 1 ft at
11 seconds.
.SUN...SE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 7 seconds and SE 1 ft at 4 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 7 seconds. A chance of showers in the evening, then
showers likely after midnight.
.MON...SW winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft
at 4 seconds and E 3 ft at 10 seconds. Showers likely, mainly in
the morning.
.MON NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas 2 to 4 ft. Wave Detail: S 3 ft at 5 seconds and E
3 ft at 11 seconds.
.TUE THROUGH WED NIGHT...SE winds 5 to 10 kt with gusts up to
20 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.

$$

ANZ256-042100-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
404 AM EDT Sat May 4 2024

.TODAY...NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: NE 2 ft
at 5 seconds and W 1 ft at 4 seconds.
.TONIGHT...E winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Seas 2 to 3 ft. Wave Detail: E 2 ft at 4 seconds and E 1 ft at
11 seconds.
.SUN...SE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 7 seconds and SE 1 ft at 11 seconds.
.SUN NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds and E
3 ft at 9 seconds. A chance of showers in the evening, then
showers likely after midnight.
.MON...S winds 15 to 20 kt, becoming SW 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and E
3 ft at 10 seconds. Showers likely, mainly in the morning.
.MON NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and S
2 ft at 5 seconds.
.TUE THROUGH WED NIGHT...E winds 5 to 10 kt with gusts up to
20 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.

$$

ANZ232-042100-
Nantucket Sound-
404 AM EDT Sat May 4 2024

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

$$

ANZ233-042100-
Vineyard Sound-
404 AM EDT Sat May 4 2024

.TODAY...NE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail:
NE 1 ft at 3 seconds and SW 1 ft at 5 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail:
NE 1 ft at 3 seconds and SE 1 ft at 11 seconds.
.SUN...SE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SE
1 ft at 4 seconds and SE 1 ft at 11 seconds.
.SUN NIGHT...S winds 10 to 15 kt. Seas 1 foot or less. Wave
Detail: S 1 ft at 3 seconds and E 1 ft at 7 seconds. A chance of
rain in the evening, then showers likely after midnight.
.MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and E 1 ft at
10 seconds. Showers likely, mainly in the morning.
.MON 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 4 seconds and
E 1 ft at 10 seconds.
.TUE AND TUE NIGHT...E winds 5 to 10 kt, becoming S. Seas 1 foot
or less.
.WED AND WED NIGHT...SE winds 5 to 10 kt, becoming E. Gusts up to
20 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.

$$

ANZ234-042100-
Buzzards Bay-
404 AM EDT Sat May 4 2024

.TODAY...NE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail:
NE 1 ft at 2 seconds and SW 1 ft at 5 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail:
NE 1 ft at 2 seconds and SE 1 ft at 11 seconds.
.SUN...SE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SE
1 ft at 3 seconds and E 1 ft at 11 seconds.
.SUN NIGHT...S winds 10 to 15 kt. Seas 1 foot or less. Wave
Detail: S 1 ft at 3 seconds and E 1 ft at 6 seconds. Showers
likely.
.MON...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 3 seconds and E 1 ft at 10 seconds. Showers likely,
mainly in the morning.
.MON NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas 1 foot or less. Wave Detail: SW 1 ft at 4 seconds
and E 1 ft at 10 seconds.
.TUE AND TUE NIGHT...E winds 5 to 10 kt, becoming S. Seas 1 foot
or less.
.WED AND WED NIGHT...SE winds 5 to 10 kt, becoming E. Gusts up to
20 kt. Seas 1 foot or less. 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.

$$

ANZ235-042100-
Rhode Island Sound-
404 AM EDT Sat May 4 2024

.TODAY...NE winds 5 to 10 kt, becoming E 10 to 15 kt this
afternoon. Seas 1 foot or less, then around 2 ft this afternoon.
Wave Detail: NE 1 ft at 4 seconds and SW 1 ft at 5 seconds,
becoming E 2 ft at 3 seconds and SE 1 ft at 11 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
2 ft at 3 seconds and SE 1 ft at 11 seconds.
.SUN...SE winds around 10 kt. Seas around 2 ft. Wave Detail: E
2 ft at 3 seconds and SE 2 ft at 6 seconds.
.SUN NIGHT...S winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 4 seconds and SE 2 ft at 7 seconds. Showers likely.
.MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and E 1 ft at
10 seconds. Showers likely, mainly in the morning.
.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
E 1 ft at 10 seconds.
.TUE AND TUE NIGHT...E winds 5 to 10 kt, becoming S. Seas around
2 ft.
.WED AND WED NIGHT...SE winds 5 to 10 kt, becoming E. Gusts up to
20 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.

$$

ANZ237-042100-
Block Island Sound-
404 AM EDT Sat May 4 2024

.TODAY...NE winds 5 to 10 kt, becoming E 10 to 15 kt this
afternoon. Seas 1 foot or less, then around 2 ft this afternoon.
Wave Detail: S 1 ft at 5 seconds and E 1 ft at 5 seconds,
becoming E 2 ft at 5 seconds and SE 1 ft at 11 seconds.
.TONIGHT...E winds around 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 4 seconds and SE 1 ft at 10 seconds.
.SUN...SE winds around 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 5 seconds and SE 1 ft at 11 seconds.
.SUN NIGHT...S winds around 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 5 seconds and SE 1 ft at 11 seconds. Showers.
.MON...SW winds around 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 5 seconds and SE 1 ft at 10 seconds. Showers likely,
mainly in the morning.
.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 2 ft at
10 seconds.
.TUE AND TUE NIGHT...E winds 5 to 10 kt, becoming S. Seas around
2 ft.
.WED AND WED NIGHT...SE winds 5 to 10 kt, becoming E. 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.

$$

ANZ230-042100-
Boston Harbor-
404 AM EDT Sat May 4 2024

.TODAY...NE winds 5 to 10 kt. Waves 1 foot or less.
.TONIGHT...E winds 5 to 10 kt. Waves 1 foot or less.
.SUN...SE winds 5 to 10 kt. Waves 1 foot or less. A chance of
rain in the afternoon.
.SUN NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft. Showers.
.MON...SW winds around 10 kt. Waves 1 foot or less. Showers
likely, mainly in the morning.
.MON NIGHT...SW winds around 10 kt, becoming NW after midnight.
Waves 1 foot or less.
.TUE AND TUE NIGHT...NE winds 5 to 10 kt, becoming S. Waves
1 foot or less.
.WED AND WED NIGHT...SE 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.

$$

ANZ236-042100-
Narragansett Bay-
404 AM EDT Sat May 4 2024

.TODAY...NE winds 5 to 10 kt. Waves 1 foot or less, then around
2 ft this afternoon.
.TONIGHT...E winds 5 to 10 kt. Waves around 2 ft.
.SUN...SE winds 5 to 10 kt. Waves 1 foot or less.
.SUN NIGHT...S winds 10 to 15 kt. Waves around 2 ft. Showers.
.MON...SW winds 10 to 15 kt. Waves around 2 ft. Showers likely,
mainly in the morning.
.MON NIGHT...SW winds around 10 kt, becoming NW after midnight.
Waves around 2 ft.
.TUE AND TUE NIGHT...NE winds 5 to 10 kt, becoming S. Waves
around 2 ft.
.WED AND WED NIGHT...SE winds 5 to 10 kt with gusts up to 20 kt,
becoming NE. 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.

$$

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