184
FZUS51 KBOX 260503
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
103 AM EDT Thu Sep 26 2024

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

ANZ200-261800-
103 AM EDT Thu Sep 26 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres moves offshore tonight. A warm front will cross the waters
Thu followed by a cold front Thu night. High pres builds across New
Eng and the waters from Fri through next Mon.

$$

ANZ250-261800-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
103 AM EDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.REST OF TONIGHT...SE winds 5 to 10 kt. Seas 5 to 6 ft. Wave
Detail: E 6 ft at 12 seconds.
.THU...SE winds 10 to 15 kt, becoming S 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: E 6 ft
at 11 seconds and S 2 ft at 4 seconds. A chance of showers in the
afternoon with vsby 1 to 3 NM.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 25 kt, becoming
W 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave Detail: E 6 ft
at 11 seconds and S 2 ft at 4 seconds. Showers likely in the
evening. A chance of showers after midnight. Vsby 1 NM or less,
increasing to 1 to 3 NM after midnight.
.FRI...W winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: E 5 ft at
10 seconds.
.FRI NIGHT...SW winds around 5 kt, becoming N after midnight.
Seas 3 to 4 ft. Wave Detail: E 4 ft at 10 seconds.
.SAT AND SAT NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 10 seconds and NE 2 ft at 4 seconds.
.SUN THROUGH MON NIGHT...NE winds 5 to 10 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.

$$

ANZ251-261800-
Massachusetts Bay and Ipswich Bay-
103 AM EDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TONIGHT...SE winds 5 to 10 kt. Seas 4 to 5 ft. Wave
Detail: E 5 ft at 12 seconds.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Wave Detail: E 6 ft at 11 seconds and S 2 ft at 4 seconds.
A chance of showers in the afternoon with vsby 1 to 3 NM.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming W around 5 kt after midnight. Seas 3 to 5 ft. Wave
Detail: E 5 ft at 11 seconds and S 2 ft at 4 seconds. Showers
likely in the evening. A chance of showers after midnight. Vsby
1 to 3 NM in the evening.
.FRI...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
3 to 4 ft. Wave Detail: E 4 ft at 11 seconds and SW 1 foot at
3 seconds.
.FRI NIGHT...SW winds around 5 kt, becoming N after midnight.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds.
.SAT AND SAT NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 10 seconds and NE 1 foot at 3 seconds.
.SUN THROUGH MON NIGHT...NE 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.

$$

ANZ231-261800-
Cape Cod Bay-
103 AM EDT Thu Sep 26 2024

.REST OF TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 11 seconds and SE 1 foot at 2 seconds.
.THU...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 4 ft. Wave Detail: E 4 ft at 11 seconds and S 2 ft at
3 seconds. A chance of showers in the afternoon.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
W 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: E 4 ft
at 11 seconds and S 2 ft at 3 seconds. A chance of showers in the
evening. Showers likely after midnight.
.FRI...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 11 seconds and W 1 foot at 2 seconds. A chance of showers in
the morning.
.FRI NIGHT...S winds around 5 kt, becoming N after midnight. Seas
around 2 ft. Wave Detail: E 2 ft at 10 seconds and SW 1 foot at
3 seconds.
.SAT AND SAT NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 10 seconds and N 1 foot at 2 seconds.
.SUN THROUGH MON NIGHT...NE 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.

$$

ANZ254-261800-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
103 AM EDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.REST OF TONIGHT...SE winds around 10 kt. Seas 5 to 7 ft. Wave
Detail: E 7 ft at 12 seconds.
.THU...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
7 ft. Wave Detail: E 7 ft at 11 seconds.
.THU NIGHT...S winds 10 to 15 kt, becoming W after midnight.
Gusts up to 20 kt. Seas 4 to 6 ft. Wave Detail: E 6 ft at
11 seconds and S 2 ft at 4 seconds. A chance of showers in the
evening. Showers likely after midnight. Vsby 1 to 3 NM.
.FRI...W winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: E 5 ft at
11 seconds and SW 1 foot at 4 seconds. A chance of showers in the
morning.
.FRI NIGHT...SW winds around 5 kt, becoming N after midnight.
Seas 3 to 4 ft. Wave Detail: E 4 ft at 10 seconds and SW 1 foot
at 4 seconds.
.SAT AND SAT NIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave
Detail: E 3 ft at 10 seconds and NE 2 ft at 3 seconds.
.SUN THROUGH MON NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 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.

$$

ANZ255-261800-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
103 AM EDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TONIGHT...SE winds around 10 kt. Seas 4 to 6 ft. Wave
Detail: E 5 ft at 12 seconds.
.THU...SE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 4 to 6 ft. Wave Detail: E 5 ft at 11 seconds and SE 1 foot
at 2 seconds.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
SW after midnight. Seas 3 to 5 ft. Wave Detail: E 5 ft at
11 seconds and SW 3 ft at 4 seconds. A chance of showers after
midnight with vsby 1 to 3 NM.
.FRI...W winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: E 4 ft at
11 seconds and SW 2 ft at 4 seconds. A chance of showers in the
morning.
.FRI NIGHT...S winds around 5 kt, becoming NE after midnight.
Seas 2 to 4 ft. Wave Detail: E 4 ft at 10 seconds and SW 1 foot
at 4 seconds. Patchy fog in the evening.
.SAT AND SAT NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. Wave
Detail: E 3 ft at 10 seconds and S 2 ft at 4 seconds.
.SUN THROUGH MON NIGHT...NE 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.

$$

ANZ256-261800-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
103 AM EDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TONIGHT...SE winds around 10 kt. Seas 4 to 5 ft. Wave
Detail: E 5 ft at 11 seconds.
.THU...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft. Wave Detail: E 5 ft at 12 seconds.
.THU NIGHT...S winds around 15 kt with gusts up to 20 kt,
becoming W after midnight. Seas 3 to 5 ft. Wave Detail: SE 5 ft
at 11 seconds and S 2 ft at 4 seconds. A chance of showers after
midnight with vsby 1 to 3 NM.
.FRI...N winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to
4 ft. Wave Detail: E 4 ft at 11 seconds and SW 2 ft at 4 seconds.
A chance of showers in the morning.
.FRI NIGHT THROUGH SAT NIGHT...NE winds 10 to 15 kt. Seas 2 to
4 ft. Wave Detail: E 4 ft at 10 seconds and E 3 ft at 4 seconds.
.SUN THROUGH MON NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft.
Wave Detail: E 3 ft at 5 seconds and E 3 ft at 10 seconds.

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.

$$

ANZ232-261800-
Nantucket Sound-
103 AM EDT Thu Sep 26 2024

.REST OF TONIGHT...SE winds around 10 kt. Seas 2 to 4 ft. Wave
Detail: E 3 ft at 12 seconds and SE 1 foot at 3 seconds.
.THU...SE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 4 ft. Wave Detail: E 3 ft at 12 seconds and SE 2 ft at
3 seconds.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
W after midnight. Seas 2 to 4 ft. Wave Detail: E 3 ft at
11 seconds and S 2 ft at 4 seconds. A chance of showers in the
evening, then showers likely after midnight with vsby 1 to 3 NM.
.FRI...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: E 2 ft at 11 seconds and SW 1 foot at
4 seconds. A chance of showers in the morning.
.FRI NIGHT THROUGH SAT NIGHT...NE winds 10 to 15 kt. Seas around
2 ft. Wave Detail: NE 2 ft at 3 seconds and E 2 ft at 10 seconds.
.SUN THROUGH MON NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft.
Wave Detail: NE 2 ft at 4 seconds and E 2 ft at 9 seconds.

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.

$$

ANZ233-261800-
Vineyard Sound-
103 AM EDT Thu Sep 26 2024

.REST OF TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 11 seconds and SE 1 foot at 3 seconds.
.THU...SE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and SE 2 ft at
11 seconds. A chance of showers in the afternoon.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
W after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at
4 seconds and SE 2 ft at 11 seconds. A chance of showers in the
evening, then showers likely after midnight with vsby 1 to 3 NM.
.FRI...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
around 2 ft. Wave Detail: SE 2 ft at 11 seconds and SW 1 foot at
4 seconds. A chance of showers in the morning.
.FRI NIGHT THROUGH SAT NIGHT...NE winds 5 to 10 kt. Seas around
2 ft. Wave Detail: SW 1 foot at 4 seconds and SE 1 foot at
10 seconds.
.SUN THROUGH MON NIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
Wave Detail: NE 1 foot at 4 seconds and SE 1 foot at 9 seconds.

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.

$$

ANZ234-261800-
Buzzards Bay-
103 AM EDT Thu Sep 26 2024

.REST OF TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 11 seconds and SE 1 foot at 2 seconds.
.THU...SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at
3 seconds and E 2 ft at 11 seconds. A chance of showers in the
afternoon.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
W after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at
4 seconds and E 2 ft at 11 seconds. A chance of showers in the
evening, then showers likely after midnight.
.FRI...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
around 2 ft. Wave Detail: E 2 ft at 11 seconds and SW 1 foot at
4 seconds. A chance of showers in the morning.
.FRI NIGHT THROUGH SAT NIGHT...NE winds 5 to 10 kt. Seas around
2 ft. Wave Detail: SE 2 ft at 10 seconds and SW 1 foot at
4 seconds.
.SUN THROUGH MON NIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
Wave Detail: NE 1 foot at 4 seconds and E 1 foot at 9 seconds.

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.

$$

ANZ235-261800-
Rhode Island Sound-
103 AM EDT Thu Sep 26 2024

.REST OF TONIGHT...SE winds around 10 kt. Seas around 3 ft. Wave
Detail: SE 3 ft at 12 seconds and E 1 foot at 3 seconds.
.THU...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 4 seconds and SE 3 ft at
12 seconds. A chance of showers in the afternoon.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
W after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at
4 seconds and SE 3 ft at 12 seconds. A chance of showers in the
evening, then showers likely after midnight with vsby 1 to 3 NM.
.FRI...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 11 seconds and SW 2 ft at
4 seconds. A chance of showers in the morning.
.FRI NIGHT THROUGH SAT NIGHT...NE winds 10 to 15 kt. Seas 2 to
3 ft. Wave Detail: E 2 ft at 4 seconds and SE 2 ft at 10 seconds.
.SUN THROUGH MON NIGHT...NE winds around 10 kt. Seas 2 to 3 ft.
Wave Detail: E 2 ft at 5 seconds and SE 1 foot at 9 seconds.

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.

$$

ANZ237-261800-
Block Island Sound-
103 AM EDT Thu Sep 26 2024

.REST OF TONIGHT...SE winds around 10 kt. Seas around 3 ft. Wave
Detail: SE 3 ft at 11 seconds.
.THU...SE winds 10 to 15 kt with gusts up to 20 kt. Seas around
3 ft. Wave Detail: SE 3 ft at 12 seconds and S 2 ft at 4 seconds.
A chance of showers in the afternoon.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming W after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 11 seconds and S 2 ft at 4 seconds. A chance of showers in the
evening, then showers likely after midnight.
.FRI...N winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 11 seconds and SW 1 foot at
4 seconds. A chance of showers in the morning.
.FRI NIGHT...SW winds around 5 kt, becoming NE after midnight.
Seas around 2 ft. Wave Detail: SE 2 ft at 10 seconds and SW
1 foot at 4 seconds.
.SAT AND SAT NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 2 ft at 4 seconds and SE 2 ft at 10 seconds.
.SUN THROUGH MON NIGHT...NE 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.

$$

ANZ230-261800-
Boston Harbor-
103 AM EDT Thu Sep 26 2024

.REST OF TONIGHT...SE winds 5 to 10 kt. Waves 1 foot or less,
except 2 to 4 ft at the outer harbor entrance.
.THU...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves 2 to 3 ft. A chance of showers in the afternoon with vsby
1 to 3 NM.
.THU NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt, becoming
W after midnight. Waves 1 foot or less, except 2 to 4 ft at the
outer harbor entrance. Showers in the evening. A chance of
showers after midnight. Vsby 1 to 3 NM in the evening.
.FRI...NW winds 5 to 10 kt, becoming SW in the afternoon. Waves
1 foot or less.
.FRI NIGHT...SW winds around 5 kt, becoming N after midnight.
Waves 1 foot or less.
.SAT AND SAT NIGHT...NE winds 5 to 10 kt. Waves 1 foot or less.
.SUN THROUGH MON NIGHT...NE 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.

$$

ANZ236-261800-
Narragansett Bay-
103 AM EDT Thu Sep 26 2024

.REST OF TONIGHT...SE winds 5 to 10 kt. Waves 2 to 3 ft.
.THU...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves 2 to 3 ft. A chance of showers in the afternoon.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming NW 5 to 10 kt after midnight. Waves 2 to 3 ft. A chance
of showers in the evening. Showers likely after midnight.
.FRI...NW winds around 5 kt, becoming SW in the afternoon. Waves
2 to 3 ft. A chance of showers in the morning.
.FRI NIGHT...SW winds around 5 kt, becoming N after midnight.
Waves around 2 ft in the evening, then 1 foot or less.
.SAT AND SAT NIGHT...NE winds 5 to 10 kt. Waves around 2 ft.
.SUN THROUGH MON NIGHT...NE 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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