Coastal Waters Forecast
Issued by NWS Boston, MA

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813
FZUS51 KBOX 191926
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
326 PM EDT Sun Aug 19 2018

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

ANZ200-200815-
326 PM EDT Sun Aug 19 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
A front will remain stalled south of New England tonight. Weak
waves of low pres will move along it, bringing scattered showers
and patchy fog, especially across the southern waters, along with
gusty NE winds up to around 25 kt. High pres will build across
the waters from the N late tonight through Tue, retreating NE Tue
night. Low pres with its associated fronts will approach the
waters from the W on Wed, then head offshore Wed night. Dry high
pres will build in from the W on Thu and Fri.

For information on possible hazardous weather beyond the 24-36
hour forecast period, please visit www.weather.gov/boston and
follow the Current Hazards link above the map on the left.

$$

ANZ250-200815-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
326 PM EDT Sun Aug 19 2018

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

.TONIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt.
Gusts up to 25 kt. Seas 4 to 6 ft. A slight chance of showers.
.MON...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 4 to 6 ft.
.MON NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 ft.
.TUE...E winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE NIGHT...SE winds 5 to 10 kt. Seas 3 to 5 ft. A chance of
showers.
.WED...S winds 15 to 20 kt. Seas 4 to 6 ft. Patchy fog. A chance
of showers and tstms.
.WED NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 4 to 6 ft.
.THU...NW winds 10 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...W winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ251-200815-
Massachusetts Bay and Ipswich Bay-
326 PM EDT Sun Aug 19 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

.TONIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt.
Gusts up to 25 kt. Seas 3 to 5 ft. A slight chance of showers.
.MON...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 3 to 5 ft.
.MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE...E winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. A
chance of showers.
.WED...S winds 10 to 15 kt. Seas 3 to 5 ft. Patchy fog. A chance
of showers and tstms.
.WED NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft.
.THU...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.FRI...SW winds around 5 kt. Seas 1 foot or less.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.

Winds and seas higher in and near tstms.

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.

$$

ANZ231-200815-
Cape Cod Bay-
326 PM EDT Sun Aug 19 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.TONIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A slight chance of showers.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.MON NIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.TUE...E winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.WED...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers and tstms.
.WED NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.
.THU...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...W winds around 5 kt. Seas 1 foot or less.
.FRI...N winds around 5 kt. Seas 1 foot or less.
.FRI NIGHT...SW winds around 5 kt. Seas 1 foot or less.

Winds and seas higher in and near tstms.

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.

$$

ANZ254-200815-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
326 PM EDT Sun Aug 19 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT...

.TONIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt.
Gusts up to 25 kt. Seas 4 to 6 ft. A slight chance of showers.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.
.MON NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas 4 to 6 ft.
.TUE...E winds 5 to 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft. A chance of
showers and tstms.
.WED...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of showers and tstms.
.WED NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 4 to 6 ft.
.THU...NW winds 5 to 10 kt. Seas 3 to 5 ft.
.THU NIGHT...W winds around 5 kt. Seas 2 to 4 ft.
.FRI...NW winds around 5 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds around 5 kt. Seas around 2 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ255-200815-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
326 PM EDT Sun Aug 19 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT...

.TONIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 4 to 6 ft. A slight chance of
showers this evening, then a chance of showers after midnight.
.MON...NE winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers.
.MON NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft.
.TUE...E winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of
showers and tstms.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
7 ft. Patchy fog. A chance of showers and tstms.
.WED NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after
midnight. Seas 5 to 8 ft.
.THU...NW winds 5 to 10 kt. Seas 3 to 5 ft.
.THU NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft.
.FRI...W winds around 5 kt. Seas 2 to 3 ft.
.FRI NIGHT...S winds around 5 kt. Seas around 2 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ256-200815-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
326 PM EDT Sun Aug 19 2018

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

.TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas 4 to 6 ft. A slight chance of showers this evening, then a
chance of showers after midnight.
.MON...NE winds 15 to 20 kt. Seas 3 to 5 ft. A chance of showers.
.MON NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft.
.TUE...E winds around 10 kt. Seas 2 to 4 ft.
.TUE NIGHT...SE winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 4 ft. Patchy fog. A chance of showers and
tstms.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
7 ft. Patchy fog. Showers and tstms likely.
.WED NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after
midnight. Seas 5 to 7 ft.
.THU...NW winds 10 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft.
.FRI...W winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...S winds around 5 kt. Seas around 2 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ232-200815-
Nantucket Sound-
326 PM EDT Sun Aug 19 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.TONIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A slight chance of showers this evening, then a chance of
showers after midnight.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.MON NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas 2 to 3 ft.
.TUE...E winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of
showers and tstms.
.WED...SW winds 15 to 20 kt. Seas 2 to 4 ft. Patchy fog. A chance
of showers and tstms.
.WED NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 4 ft.
.THU...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...W winds around 5 kt. Seas 2 to 3 ft.
.FRI...W winds around 5 kt. Seas around 2 ft.
.FRI NIGHT...S winds around 5 kt. Seas 1 foot or less.

Winds and seas higher in and near tstms.

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.

$$

ANZ233-200815-
Vineyard Sound-
326 PM EDT Sun Aug 19 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas 2 to 4 ft. A slight chance of showers this evening, then a
chance of showers after midnight.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.MON NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas around 2 ft.
.TUE...E winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A
chance of showers and tstms.
.WED...SW winds 15 to 20 kt. Seas 2 to 4 ft. Patchy fog. Showers
and tstms likely.
.WED NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 4 ft.
.THU...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...W winds around 5 kt. Seas around 2 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ234-200815-
Buzzards Bay-
326 PM EDT Sun Aug 19 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.TONIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt.
Gusts up to 25 kt. Seas 2 to 4 ft. A slight chance of showers.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.MON NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas around 2 ft.
.TUE...E winds 5 to 10 kt. Seas 1 foot or less.
.TUE NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A
chance of showers and tstms.
.WED...SW winds 15 to 20 kt. Seas 2 to 4 ft. Patchy fog. Showers
and tstms likely.
.WED NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft.
.THU...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...NW winds 5 to 10 kt. Seas around 2 ft.
.FRI...W winds around 5 kt. Seas 1 foot or less.
.FRI NIGHT...SW winds around 5 kt. Seas 1 foot or less.

Winds and seas higher in and near tstms.

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.

$$

ANZ235-200815-
Rhode Island Sound-
326 PM EDT Sun Aug 19 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas 3 to 5 ft. A slight chance of showers.
.MON...NE winds 15 to 20 kt. Seas 2 to 4 ft.
.MON NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft.
.TUE...E winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE NIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 4 ft. Patchy fog.
Showers and tstms likely.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Patchy fog. Showers and tstms likely.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft.
.THU...NW winds 5 to 10 kt. Seas 3 to 4 ft.
.THU NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...W winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ237-200815-
Block Island Sound-
326 PM EDT Sun Aug 19 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.TONIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A slight chance of showers.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.MON NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas 2 to 4 ft.
.TUE...E winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog.
Showers and tstms likely.
.WED...SW winds 15 to 20 kt. Seas 3 to 5 ft. Patchy fog. Showers
and tstms likely.
.WED NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft.
.THU...NW winds 5 to 10 kt. Seas 2 to 4 ft.
.THU NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...W winds around 5 kt. Seas around 2 ft.
.FRI NIGHT...SW winds around 5 kt. Seas around 2 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ230-200815-
Boston Harbor-
326 PM EDT Sun Aug 19 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.TONIGHT...NE winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. Waves 2 to 4 ft. A
slight chance of showers.
.MON...NE winds 5 to 10 kt. Waves around 2 ft.
.MON NIGHT...NE winds 5 to 10 kt. Waves 1 foot or less, except
2 to 4 ft at the outer harbor entrance.
.TUE...E winds around 5 kt. Waves 1 foot or less.
.TUE NIGHT...SE winds around 5 kt. Waves 1 foot or less. Patchy
fog. A chance of showers.
.WED...SW winds 5 to 10 kt. Waves 1 foot or less. Patchy fog.
Showers and tstms likely.
.WED NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less.
.THU...NW winds 5 to 10 kt. Waves 1 foot or less.
.THU NIGHT...W winds around 5 kt. Waves 1 foot or less.
.FRI...SW winds around 5 kt. Waves 1 foot or less.
.FRI NIGHT...SW winds around 5 kt. Waves 1 foot or less.

Winds and waves higher in and near tstms.

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.

$$

ANZ236-200815-
Narragansett Bay-
326 PM EDT Sun Aug 19 2018

.TONIGHT...NE winds 10 to 15 kt. A few gusts up to 25 kt this
evening. Waves 2 to 3 ft. A slight chance of showers.
.MON...NE winds 5 to 10 kt. Waves 2 to 3 ft.
.MON NIGHT...NE winds 5 to 10 kt. Waves around 2 ft.
.TUE...NE winds around 5 kt, becoming E in the afternoon. Waves
around 2 ft.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. A
chance of showers and tstms.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
4 ft. Patchy fog. Showers and tstms likely.
.WED NIGHT...NW winds 5 to 10 kt. Waves 2 to 4 ft.
.THU...NW winds 5 to 10 kt. Waves 2 to 3 ft.
.THU NIGHT...NW winds around 5 kt. Waves 2 to 3 ft.
.FRI...W winds around 5 kt. Waves around 2 ft.
.FRI NIGHT...SW winds around 5 kt. Waves 1 foot or less.

Winds and waves higher in and near tstms.

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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