204
FZUS51 KBOX 220804
CWFBOX

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

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

ANZ200-222100-
403 AM EDT Sun Sep 22 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
Low pressure SE of New England will moves farther out to sea today
through Mon as weak high pressure will build over the waters. A cold
front will approach the region from the Great Lakes Wed.

$$

ANZ250-222100-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
403 AM EDT Sun Sep 22 2024

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

.TODAY...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 7 to
9 ft. Wave Detail: E 8 ft at 10 seconds and NE 1 foot at
4 seconds. A chance of rain this morning. A slight chance of rain
this afternoon.
.TONIGHT...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...NE winds 10 to 15 kt with gusts up to 20 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. Gusts up to 20 kt in the
evening. Seas 6 to 8 ft. Wave Detail: E 8 ft at 10 seconds and NE
1 foot at 3 seconds.
.TUE AND TUE NIGHT...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 5 to 7 ft. Wave Detail: E 6 ft at 10 seconds.
.WED...E winds around 10 kt. Seas 5 to 6 ft. Wave Detail: E 6 ft
at 10 seconds.
.WED NIGHT THROUGH THU NIGHT...SE winds around 10 kt. Seas 5 to
6 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.

$$

ANZ251-222100-
Massachusetts Bay and Ipswich Bay-
403 AM EDT Sun Sep 22 2024

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

.TODAY...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
8 ft. Wave Detail: E 7 ft at 9 seconds and NE 2 ft at 4 seconds.
A chance of rain this morning.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 6 to
8 ft. Wave Detail: E 7 ft at 10 seconds and NE 2 ft at 4 seconds.
.MON...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 NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: E
7 ft at 10 seconds and NE 1 foot at 3 seconds.
.TUE AND TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. Wave
Detail: E 6 ft at 10 seconds and NE 1 foot at 3 seconds.
.WED...E winds around 10 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft
at 10 seconds.
.WED NIGHT THROUGH THU NIGHT...SE winds around 10 kt. Seas 4 to
5 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.

$$

ANZ231-222100-
Cape Cod Bay-
403 AM EDT Sun Sep 22 2024

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

.TODAY...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: E 5 ft at 9 seconds and N 3 ft at 4 seconds.
Rain likely, mainly this morning.
.TONIGHT...NE winds 15 to 20 kt. Gusts up to 30 kt, decreasing to
20 kt after midnight. Seas 4 to 6 ft. Wave Detail: E 5 ft at
10 seconds and N 3 ft at 4 seconds.
.MON...NE winds around 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Wave Detail: E 6 ft at 11 seconds and N 3 ft at 4 seconds.
.MON NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 4 to 5 ft. Wave Detail: E 5 ft at 11 seconds and N
2 ft at 3 seconds.
.TUE AND TUE NIGHT...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 NE 2 ft at
3 seconds.
.WED...E winds around 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 10 seconds and E 1 foot at 3 seconds.
.WED NIGHT THROUGH THU NIGHT...SE winds around 10 kt. Seas 3 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.

$$

ANZ254-222100-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
403 AM EDT Sun Sep 22 2024

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

.TODAY...NE winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. Gusts up to 30 kt. Seas 7 to 10 ft. Wave Detail: E
9 ft at 9 seconds and NE 1 foot at 4 seconds. Patchy fog. Rain,
mainly this morning with vsby 1 to 3 NM.
.TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 8 to
11 ft. Wave Detail: E 10 ft at 11 seconds and NE 1 foot at
4 seconds. A chance of rain and drizzle in the evening.
.MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 8 to
10 ft. Wave Detail: E 10 ft at 11 seconds and NE 1 foot at
4 seconds.
.MON NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
7 to 10 ft. Wave Detail: E 9 ft at 11 seconds and NE 1 foot at
3 seconds.
.TUE AND TUE NIGHT...E 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.
.WED...E winds 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: E 7 ft
at 10 seconds.
.WED NIGHT THROUGH THU NIGHT...SE winds around 10 kt. Seas 5 to
7 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.

$$

ANZ255-222100-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
403 AM EDT Sun Sep 22 2024

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

.TODAY...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to
9 ft. Wave Detail: E 8 ft at 9 seconds and N 4 ft at 4 seconds.
Patchy fog. Rain, mainly this morning with vsby 1 to 3 NM.
.TONIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to
10 ft. Wave Detail: E 8 ft at 10 seconds and NE 4 ft at
5 seconds. A chance of rain and drizzle in the evening.
.MON...NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 6 to 9 ft. Wave Detail: E 9 ft at 11 seconds and
NE 3 ft at 5 seconds.
.MON NIGHT...NE winds 15 to 20 kt. Seas 6 to 9 ft. Wave Detail: E
8 ft at 11 seconds and NE 2 ft at 4 seconds.
.TUE AND TUE NIGHT...E 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.
.WED...E winds 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: E 6 ft
at 10 seconds and NE 1 foot at 3 seconds.
.WED NIGHT THROUGH THU NIGHT...E winds 10 to 15 kt. Seas 4 to
6 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.

$$

ANZ256-222100-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
403 AM EDT Sun Sep 22 2024

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

.TODAY...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft. Wave Detail: E 7 ft at 9 seconds and N 4 ft at 5 seconds. A
chance of rain, mainly this morning.
.TONIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 5 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 5 to
8 ft. Wave Detail: E 8 ft at 11 seconds and NE 3 ft at 5 seconds.
.MON NIGHT...NE winds 15 to 20 kt. Seas 5 to 8 ft. Wave Detail: E
7 ft at 11 seconds and NE 2 ft at 4 seconds.
.TUE AND TUE NIGHT...E 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.
.WED...E winds 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: E 6 ft
at 10 seconds.
.WED NIGHT THROUGH THU NIGHT...E winds 10 to 15 kt. Seas 4 to
5 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.

$$

ANZ232-222100-
Nantucket Sound-
403 AM EDT Sun Sep 22 2024

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

.TODAY...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: NE 4 ft at 4 seconds and E 3 ft at 9 seconds.
Rain, mainly this morning.
.TONIGHT...NE winds 20 to 25 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 11 seconds.
A chance of rain and drizzle in the evening.
.MON...NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: NE 4 ft at 4 seconds and
E 4 ft at 11 seconds.
.MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft. Wave Detail: E
4 ft at 11 seconds and NE 3 ft at 4 seconds.
.TUE AND TUE NIGHT...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 5 ft. Wave Detail: E 4 ft at 11 seconds and NE 3 ft at
4 seconds.
.WED...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft
at 10 seconds and E 2 ft at 3 seconds.
.WED NIGHT THROUGH THU NIGHT...SE winds 10 to 15 kt. Seas 3 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.

$$

ANZ233-222100-
Vineyard Sound-
403 AM EDT Sun Sep 22 2024

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

.TODAY...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
4 ft. Wave Detail: N 3 ft at 4 seconds and E 2 ft at 10 seconds.
Rain likely, mainly this morning.
.TONIGHT...NE winds 15 to 20 kt. Gusts up to 30 kt in the
evening. Seas 3 to 4 ft. Wave Detail: NE 3 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 around 3 ft. Wave Detail: E 3 ft at 11 seconds and
NE 2 ft at 4 seconds.
.TUE AND TUE NIGHT...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...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 10 seconds and NE 1 foot at 3 seconds.
.WED NIGHT THROUGH THU NIGHT...SE winds 10 to 15 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.

$$

ANZ234-222100-
Buzzards Bay-
403 AM EDT Sun Sep 22 2024

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

.TODAY...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: N 3 ft at 4 seconds and E 3 ft at 9 seconds.
Rain likely, mainly this morning.
.TONIGHT...NE winds 15 to 20 kt. Gusts up to 30 kt, decreasing to
20 kt after midnight. Seas 2 to 4 ft. Wave Detail: NE 3 ft at
4 seconds and E 3 ft at 10 seconds.
.MON...NE winds around 15 kt with gusts up to 25 kt. Seas 3 to
5 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 3 to 5 ft. Wave Detail: E 3 ft at 11 seconds and NE
2 ft at 3 seconds.
.TUE AND TUE NIGHT...E 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.
.WED...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 10 seconds and E 1 foot at 3 seconds.
.WED NIGHT THROUGH THU NIGHT...E winds 10 to 15 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.

$$

ANZ235-222100-
Rhode Island Sound-
403 AM EDT Sun Sep 22 2024

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

.TODAY...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
5 ft. Wave Detail: N 4 ft at 4 seconds and E 3 ft at 9 seconds. A
chance of rain, mainly this morning.
.TONIGHT...NE winds 15 to 20 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 SE 4 ft at 11 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 AND TUE NIGHT...E winds 10 to 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
3 seconds.
.WED...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft
at 10 seconds and NE 1 foot at 3 seconds.
.WED NIGHT THROUGH THU NIGHT...E winds 10 to 15 kt. Seas 3 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.

$$

ANZ237-222100-
Block Island Sound-
403 AM EDT Sun Sep 22 2024

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

.TODAY...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: E 4 ft at 9 seconds and NE 3 ft at 5 seconds.
A chance of rain this morning.
.TONIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft
at 9 seconds and NE 3 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 E 3 ft at 5 seconds.
.MON NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 4 to 5 ft. Wave Detail: E 5 ft at 11 seconds and NE
2 ft at 5 seconds.
.TUE AND TUE NIGHT...E 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 1 foot
at 4 seconds.
.WED...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 10 seconds and NE 1 foot at 3 seconds.
.WED NIGHT THROUGH THU NIGHT...NE winds 10 to 15 kt. Seas 3 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.

$$

ANZ230-222100-
Boston Harbor-
403 AM EDT Sun Sep 22 2024

.TODAY...NE winds 10 to 15 kt, increasing to 15 to 20 kt this
afternoon. Waves 2 to 3 ft, except 4 to 6 ft at the outer harbor
entrance. A chance of rain this morning.
.TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves 2 to 3 ft in the evening, then 1 foot or less. At
the outer harbor entrance, waves 3 to 5 ft.
.MON...NE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 2 to 3 ft, except 4 to 6 ft at the outer harbor entrance.
.MON NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Waves around 2 ft in the evening, then 1 foot or
less. At the outer harbor entrance, waves 3 to 5 ft.
.TUE AND TUE NIGHT...E winds 5 to 10 kt. Waves 2 to 3 ft.
.WED...E winds 5 to 10 kt. Waves 2 to 3 ft.
.WED NIGHT THROUGH THU NIGHT...E winds 5 to 10 kt. Waves 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.

$$

ANZ236-222100-
Narragansett Bay-
403 AM EDT Sun Sep 22 2024

.TODAY...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. A chance of rain this morning.
.TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. 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 5 to 10 kt. Gusts up to 20 kt in the
evening. Waves 2 to 3 ft.
.TUE AND TUE NIGHT...NE winds 10 to 15 kt. Waves 2 to 3 ft.
.WED...E winds 5 to 10 kt. Waves 2 to 3 ft.
.WED NIGHT THROUGH THU NIGHT...E winds 5 to 10 kt. Waves 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.

$$

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