Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 161101
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
701 AM EDT Tue Aug 16 2022

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

ANZ200-170000-
701 AM EDT Tue Aug 16 2022

.Synopsis for Massachusetts and Rhode Island coastal waters...
Low pres develops southeast of the Benchmark today and slowly lifts
north on Wed. As the low moves north, expect gusty NNE winds and
rough seas to develop later today and especially Wed. The low will
lift north through Maine on Thu. High pres then builds over the
waters from the west Fri into Sat.

$$

ANZ250-170000-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
701 AM EDT Tue Aug 16 2022

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY MORNING...

.TODAY...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.TONIGHT...NE winds 10 to 15 kt, becoming N 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 4 to 7 ft. A chance of showers.
.WED...N winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to
9 ft. Showers likely.
.WED NIGHT...N winds 15 to 20 kt with gusts up to 30 kt, becoming
NW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 5 to
8 ft. A chance of showers.
.THU...W winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft.
.THU NIGHT...W winds around 10 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.FRI THROUGH SAT NIGHT...S 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.

$$

ANZ251-170000-
Massachusetts Bay and Ipswich Bay-
701 AM EDT Tue Aug 16 2022

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY MORNING...

.TODAY...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.TONIGHT...NE winds 10 to 15 kt, becoming N 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers.
.WED...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 5 to 8 ft. Showers likely.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
5 to 8 ft. A chance of showers.
.THU...W winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft.
.THU NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI THROUGH SAT NIGHT...S winds 5 to 10 kt. Seas 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.

$$

ANZ231-170000-
Cape Cod Bay-
701 AM EDT Tue Aug 16 2022

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY MORNING...

.TODAY...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.TONIGHT...NE winds 10 to 15 kt, becoming N 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Showers likely.
.WED...N winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
7 ft. Showers likely.
.WED NIGHT...NW winds 10 to 15 kt, becoming W after midnight.
Gusts up to 20 kt. Seas 4 to 6 ft.
.THU...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft.
.THU NIGHT...W winds around 10 kt. Seas around 2 ft.
.FRI THROUGH SAT NIGHT...S winds 5 to 10 kt. Seas 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.

$$

ANZ254-170000-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
701 AM EDT Tue Aug 16 2022

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

.TODAY...NE winds 10 to 15 kt, increasing to 15 to 20 kt this
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. A slight chance of
showers this afternoon.
.TONIGHT...NE winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. Gusts up to 30 kt. Seas 5 to 8 ft. Showers likely.
.WED...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 6 to 9 ft. Showers likely.
.WED NIGHT...NW winds 10 to 15 kt, becoming W after midnight.
Gusts up to 25 kt. Seas 5 to 8 ft.
.THU...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.FRI THROUGH SAT NIGHT...S 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.

$$

ANZ255-170000-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
701 AM EDT Tue Aug 16 2022

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

.TODAY...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. A slight chance of showers this afternoon.
.TONIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
7 ft. A chance of showers.
.WED...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 7 ft. Showers likely.
.WED NIGHT...N winds 10 to 15 kt, becoming NW after midnight.
Gusts up to 20 kt. Seas 4 to 6 ft.
.THU AND THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 5 ft.
.FRI THROUGH SAT NIGHT...S 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.

$$

ANZ256-170000-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
701 AM EDT Tue Aug 16 2022

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

.TODAY...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft.
.TONIGHT...NE winds 15 to 20 kt, becoming N 20 to 25 kt after
midnight. Gusts up to 30 kt. Seas 5 to 6 ft. A chance of showers.
.WED...N winds 20 to 25 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Seas 4 to 7 ft. A chance of
showers.
.WED NIGHT...N winds 10 to 15 kt, becoming NW after midnight.
Gusts up to 20 kt. Seas 3 to 5 ft.
.THU AND THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft.
.FRI THROUGH SAT NIGHT...S 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.

$$

ANZ232-170000-
Nantucket Sound-
701 AM EDT Tue Aug 16 2022

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

.TODAY...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.TONIGHT...NE winds 15 to 20 kt, becoming N 20 to 25 kt after
midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Showers likely.
.WED...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Showers likely.
.WED NIGHT...NW winds 10 to 15 kt, becoming W after midnight.
Gusts up to 20 kt. Seas 3 to 5 ft.
.THU AND THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft.
.FRI THROUGH SAT NIGHT...S winds 5 to 10 kt. Seas 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.

$$

ANZ233-170000-
Vineyard Sound-
701 AM EDT Tue Aug 16 2022

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

.TODAY...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas
around 4 ft. A chance of showers.
.WED...N winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Showers likely.
.WED NIGHT...N winds around 10 kt, becoming W after midnight.
Gusts up to 20 kt. Seas 2 to 4 ft.
.THU AND THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft.
.FRI THROUGH SAT NIGHT...S winds 5 to 10 kt. Seas 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.

$$

ANZ234-170000-
Buzzards Bay-
701 AM EDT Tue Aug 16 2022

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

.TODAY...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. A chance of showers.
.WED...N winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to
5 ft. Showers likely.
.WED NIGHT...N winds 5 to 10 kt, becoming W after midnight. Gusts
up to 20 kt. Seas 2 to 4 ft.
.THU AND THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft.
.FRI THROUGH SAT NIGHT...S winds 5 to 10 kt with gusts up to
20 kt. Seas 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.

$$

ANZ235-170000-
Rhode Island Sound-
701 AM EDT Tue Aug 16 2022

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

.TODAY...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. A chance of showers.
.WED...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. A chance of
showers.
.WED NIGHT...N winds around 10 kt, becoming NW after midnight.
Gusts up to 20 kt. Seas 2 to 4 ft.
.THU AND THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft.
.FRI THROUGH SAT NIGHT...S 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.

$$

ANZ237-170000-
Block Island Sound-
701 AM EDT Tue Aug 16 2022

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

.TODAY...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
5 ft. A chance of showers.
.WED...N winds 15 to 20 kt with gusts up to 30 kt, diminishing to
10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to
5 ft. A chance of showers.
.WED NIGHT...N winds 5 to 10 kt, becoming NW after midnight.
Gusts up to 20 kt. Seas 2 to 4 ft.
.THU AND THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft.
.FRI THROUGH SAT NIGHT...S winds 5 to 10 kt with gusts up to
20 kt. Seas 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.

$$

ANZ230-170000-
Boston Harbor-
701 AM EDT Tue Aug 16 2022

.TODAY...NE winds 5 to 10 kt, increasing to 10 to 15 kt this
afternoon. Gusts up to 20 kt. Waves around 2 ft.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft in the evening, then 1 foot or less. A chance of
showers.
.WED...N winds 10 to 15 kt with gusts up to 25 kt. Waves 1 foot
or less. Showers likely.
.WED NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. A chance
of showers.
.THU AND THU NIGHT...W winds 5 to 10 kt with gusts up to 20 kt.
Waves around 2 ft.
.FRI THROUGH SAT NIGHT...S winds around 5 kt.

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.

$$

ANZ236-170000-
Narragansett Bay-
701 AM EDT Tue Aug 16 2022

.TODAY...NE winds 10 to 15 kt with gusts up to 25 kt. Waves
around 2 ft.
.TONIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Waves
around 2 ft. A chance of showers.
.WED...N winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft. A chance of showers.
.WED NIGHT...N winds 5 to 10 kt, becoming W after midnight. Waves
around 2 ft in the evening, then 1 foot or less.
.THU AND THU NIGHT...W winds 5 to 10 kt with gusts up to 20 kt.
Waves around 2 ft.
.FRI THROUGH SAT NIGHT...S winds 5 to 10 kt with gusts up to
20 kt.

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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