959
FZUS51 KBOX 230204
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1003 PM EDT Sun Sep 22 2024

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

ANZ200-231500-
1003 PM EDT Sun Sep 22 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres will begin to build over the waters through Mon. A cold
front is expected to approach the region Wed into Thurs, bringing
the next chance for unsettled weather.

$$

ANZ250-231500-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1003 PM EDT Sun Sep 22 2024

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

.OVERNIGHT...NE winds around 15 kt with gusts up to 25 kt. Seas
7 to 9 ft. Wave Detail: E 8 ft at 10 seconds and NE 1 foot at
3 seconds.
.MON...NE winds around 15 kt with gusts up to 25 kt. Seas 7 to
9 ft. Wave Detail: E 8 ft at 10 seconds and NE 1 foot at
4 seconds.
.MON NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
6 to 8 ft. Wave Detail: E 8 ft at 10 seconds and NE 1 foot at
3 seconds.
.TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to
7 ft. Wave Detail: E 6 ft at 10 seconds and NE 1 foot at
2 seconds.
.TUE NIGHT AND WED...E winds around 10 kt. Seas 5 to 7 ft. Wave
Detail: E 6 ft at 10 seconds.
.WED NIGHT...SE winds around 10 kt. Seas 5 to 6 ft. Wave Detail:
E 6 ft at 13 seconds. A chance of showers after midnight.
.THU THROUGH FRI...N winds around 10 kt. Seas 4 to 6 ft. A chance
of showers.
.FRI NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
5 to 6 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.

$$

ANZ251-231500-
Massachusetts Bay and Ipswich Bay-
1003 PM EDT Sun Sep 22 2024

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

.OVERNIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
6 to 8 ft. Wave Detail: E 7 ft at 10 seconds and NE 1 foot at
4 seconds.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to
8 ft. Wave Detail: E 8 ft at 10 seconds and NE 1 foot at
4 seconds.
.MON NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 5 to 7 ft. Wave Detail: E 7 ft at 10 seconds and NE
1 foot at 3 seconds.
.TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
6 ft. Wave Detail: E 6 ft at 10 seconds and NE 1 foot at
3 seconds.
.TUE NIGHT AND WED...E winds 10 to 15 kt. Seas 4 to 6 ft. Wave
Detail: E 6 ft at 10 seconds and NE 1 foot at 3 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: E
5 ft at 13 seconds. A chance of showers.
.THU AND THU NIGHT...SE winds 5 to 10 kt, becoming SW. Seas 4 to
5 ft. A chance of showers.
.FRI AND FRI NIGHT...N winds 10 to 15 kt. Seas 4 to 6 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.

$$

ANZ231-231500-
Cape Cod Bay-
1003 PM EDT Sun Sep 22 2024

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

.OVERNIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. Wave Detail: E 5 ft at 10 seconds and N 3 ft at
4 seconds.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Wave Detail: E 5 ft at 11 seconds and N 3 ft at 4 seconds.
.MON NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Wave Detail: E 5 ft at 11 seconds and NE 2 ft at
4 seconds.
.TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Wave Detail: E 4 ft at 10 seconds and NE 2 ft at 4 seconds.
.TUE NIGHT AND WED...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 5 ft. Wave Detail: E 4 ft at 10 seconds and E 2 ft at
3 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 11 seconds and E 1 foot at 2 seconds. A chance of showers
after midnight.
.THU THROUGH FRI...N winds 5 to 10 kt. Seas 2 to 4 ft. A chance
of showers.
.FRI NIGHT...N winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ254-231500-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1003 PM EDT Sun Sep 22 2024

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

.OVERNIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas
8 to 11 ft. Wave Detail: E 10 ft at 10 seconds and NE 1 foot at
4 seconds.
.MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 8 to
11 ft. Wave Detail: E 10 ft at 11 seconds and NE 1 foot at
4 seconds.
.MON NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 7 to 10 ft. Wave Detail:
E 9 ft at 11 seconds and NE 1 foot at 3 seconds.
.TUE...NE winds around 15 kt with gusts up to 20 kt. Seas 6 to
8 ft. Wave Detail: E 8 ft at 10 seconds and NE 1 foot at
3 seconds.
.TUE NIGHT AND WED...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 6 to 8 ft. Wave Detail: E 7 ft at 10 seconds and NE 1 foot
at 3 seconds.
.WED NIGHT...E winds 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: E
7 ft at 13 seconds. A chance of showers after midnight.
.THU THROUGH FRI...NW winds 10 to 15 kt. Seas 4 to 6 ft. A chance
of showers.
.FRI NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
5 to 7 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.

$$

ANZ255-231500-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1003 PM EDT Sun Sep 22 2024

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

.OVERNIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas
7 to 10 ft. Wave Detail: E 9 ft at 11 seconds and NE 3 ft at
4 seconds.
.MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 7 to
10 ft. Wave Detail: E 9 ft at 11 seconds and NE 3 ft at
5 seconds.
.MON NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
6 to 9 ft. Wave Detail: E 8 ft at 11 seconds and NE 2 ft at
4 seconds.
.TUE...NE winds 15 to 20 kt. Seas 5 to 8 ft. Wave Detail: E 7 ft
at 10 seconds and NE 2 ft at 4 seconds.
.TUE NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 5 to 7 ft. Wave Detail: E 6 ft at 10 seconds and NE
2 ft at 4 seconds.
.WED...E winds 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: E 6 ft
at 10 seconds and NE 1 foot at 3 seconds.
.WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. A chance of
showers after midnight.
.THU...SE winds around 10 kt. Seas 4 to 6 ft. A chance of
showers.
.THU NIGHT...SW winds around 10 kt. Seas 3 to 5 ft. A chance of
showers.
.FRI...NW winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...N winds 10 to 15 kt. Seas 4 to 6 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.

$$

ANZ256-231500-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1003 PM EDT Sun Sep 22 2024

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

.OVERNIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
6 to 8 ft. Wave Detail: E 7 ft at 10 seconds and NE 3 ft at
5 seconds.
.MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to
8 ft. Wave Detail: E 8 ft at 11 seconds and NE 2 ft at 5 seconds.
.MON NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 8 ft. Wave Detail: E 7 ft at 11 seconds and NE 2 ft at
4 seconds.
.TUE...NE winds 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: E 7 ft
at 11 seconds and NE 1 foot at 3 seconds.
.TUE NIGHT AND WED...E winds 15 to 20 kt. Seas 4 to 6 ft. Wave
Detail: E 6 ft at 10 seconds and NE 1 foot at 4 seconds.
.WED NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E
5 ft at 10 seconds. A chance of showers after midnight.
.THU AND THU NIGHT...SE winds around 10 kt, becoming W. Seas 3 to
5 ft. A chance of showers.
.FRI AND FRI NIGHT...N winds 10 to 15 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.

$$

ANZ232-231500-
Nantucket Sound-
1003 PM EDT Sun Sep 22 2024

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

.OVERNIGHT...NE winds around 15 kt with gusts up to 30 kt. Seas
4 to 6 ft. Wave Detail: NE 4 ft at 4 seconds and E 4 ft at
10 seconds.
.MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. Wave Detail: E 4 ft at 11 seconds and NE 3 ft at 4 seconds.
.MON NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. Wave Detail: E 5 ft at 11 seconds and NE 3 ft at
4 seconds.
.TUE...NE winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: NE 3 ft
at 4 seconds and E 3 ft at 10 seconds.
.TUE NIGHT AND WED...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 5 ft. Wave Detail: E 3 ft at 4 seconds and E 3 ft at
10 seconds.
.WED NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: E
3 ft at 11 seconds and E 2 ft at 3 seconds. A chance of showers
after midnight.
.THU AND THU NIGHT...SE winds around 10 kt, becoming SW. Seas
2 to 4 ft. A chance of showers.
.FRI AND FRI NIGHT...N 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.

$$

ANZ233-231500-
Vineyard Sound-
1003 PM EDT Sun Sep 22 2024

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

.OVERNIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 4 ft. Wave Detail: NE 2 ft at 4 seconds and E 2 ft at
10 seconds.
.MON...NE winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft
at 11 seconds and NE 2 ft at 4 seconds.
.MON NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: E 3 ft at 11 seconds and NE
2 ft at 4 seconds.
.TUE...NE winds around 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: NE 2 ft at 3 seconds and E 2 ft at 10 seconds.
.TUE NIGHT AND WED...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: NE 2 ft at 3 seconds and E 2 ft at
10 seconds.
.WED NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
2 ft at 10 seconds and E 1 foot at 3 seconds. A chance of showers
after midnight.
.THU AND THU NIGHT...SE winds 5 to 10 kt, becoming SW. Seas
around 2 ft. A chance of showers.
.FRI AND FRI NIGHT...N winds 10 to 15 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.

$$

ANZ234-231500-
Buzzards Bay-
1003 PM EDT Sun Sep 22 2024

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

.OVERNIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Wave Detail: E 3 ft at 10 seconds and NE 2 ft at
3 seconds.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: E 3 ft at 11 seconds and NE 2 ft at 3 seconds.
.MON NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 4 ft. Wave Detail: E 3 ft at 11 seconds and NE
2 ft at 3 seconds.
.TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: E 3 ft at 11 seconds and NE 2 ft at 3 seconds.
.TUE NIGHT AND WED...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: NE 2 ft at 3 seconds and E 2 ft at
10 seconds.
.WED NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 10 seconds and E 1 foot at 2 seconds. A chance of showers
after midnight.
.THU AND THU NIGHT...SE winds 5 to 10 kt, becoming SW. Seas 2 to
3 ft. A chance of showers.
.FRI AND FRI NIGHT...N 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.

$$

ANZ235-231500-
Rhode Island Sound-
1003 PM EDT Sun Sep 22 2024

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

.OVERNIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 5 ft. Wave Detail: NE 4 ft at 5 seconds and E 3 ft at
10 seconds.
.MON...NE winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: NE 4 ft
at 5 seconds and E 4 ft at 12 seconds.
.MON NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 4 to 5 ft. Wave Detail: E 4 ft at 11 seconds
and NE 3 ft at 4 seconds.
.TUE...NE winds around 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: E 4 ft at 11 seconds and NE 2 ft at 4 seconds.
.TUE NIGHT AND WED...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 4 ft. Wave Detail: SE 4 ft at 10 seconds and NE 2 ft at
5 seconds.
.WED NIGHT...E winds around 10 kt. Seas 3 to 4 ft. Wave Detail:
SE 3 ft at 10 seconds and E 1 foot at 3 seconds. A chance of
showers.
.THU AND THU NIGHT...SE winds around 10 kt, becoming W. Seas 2 to
3 ft. A chance of showers.
.FRI AND FRI NIGHT...N winds 10 to 15 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.

$$

ANZ237-231500-
Block Island Sound-
1003 PM EDT Sun Sep 22 2024

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

.OVERNIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 5 ft. Wave Detail: E 4 ft at 9 seconds and NE 2 ft at
5 seconds.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft. Wave Detail: E 5 ft at 11 seconds and NE 3 ft at 5 seconds.
.MON NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 5 ft. Wave Detail: E 5 ft at 11 seconds and NE 2 ft at
5 seconds.
.TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around
4 ft. Wave Detail: E 4 ft at 11 seconds and NE 1 foot at
4 seconds.
.TUE NIGHT AND WED...E 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 NE 2 ft at
5 seconds.
.WED NIGHT...E winds around 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 10 seconds and NE 1 foot at 3 seconds. A chance of
showers.
.THU...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
.THU NIGHT THROUGH FRI NIGHT...N 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.

$$

ANZ230-231500-
Boston Harbor-
1003 PM EDT Sun Sep 22 2024

.OVERNIGHT...NE winds around 10 kt with gusts up to 20 kt. Waves
2 to 3 ft, except 4 to 6 ft at the outer harbor entrance.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft, except 4 to 6 ft at the outer harbor entrance.
.MON NIGHT...NE winds 10 to 15 kt. Waves 2 to 3 ft in the
evening, then 1 foot or less. At the outer harbor entrance, waves
3 to 5 ft.
.TUE...NE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 2 to 3 ft.
.TUE NIGHT AND WED...E winds 10 to 15 kt. Waves around 2 ft.
.WED NIGHT...SE winds 5 to 10 kt. Waves 1 foot or less, except
2 to 4 ft at the outer harbor entrance. A chance of showers.
.THU AND THU NIGHT...SE winds 5 to 10 kt, becoming SW. Waves
1 foot or less, except 2 to 4 ft at the outer harbor entrance. A
chance of showers.
.FRI AND FRI NIGHT...N 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.

$$

ANZ236-231500-
Narragansett Bay-
1003 PM EDT Sun Sep 22 2024

.OVERNIGHT...NE winds around 10 kt with gusts up to 20 kt. Waves
2 to 3 ft.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.MON NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves 2 to 3 ft.
.TUE...NE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 2 to 3 ft.
.TUE NIGHT AND WED...E winds 5 to 10 kt. Waves 2 to 3 ft.
.WED NIGHT...E winds 5 to 10 kt. Waves 2 to 3 ft. A chance of
showers.
.THU AND THU NIGHT...SE winds 5 to 10 kt, becoming W. Waves 2 to
3 ft. A chance of showers.
.FRI AND FRI NIGHT...N winds 5 to 10 kt. Waves 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.

$$

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