Coastal Waters Forecast
Issued by NWS Boston, MA

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751
FZUS51 KBOX 251440
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
1040 AM EDT Tue Sep 25 2018

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

ANZ200-260315-
1040 AM EDT Tue Sep 25 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
A warm front will lift north across the waters tonight, resutling
in rain, limited visibility, and strong SE winds. A cold front
will follow, sweeping across the waters Wed night. High pres
builds over New Eng Thu and through the weekend.

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.

$$

ANZ250-260315-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1040 AM EDT Tue Sep 25 2018

...GALE WARNING IN EFFECT FROM 7 PM EDT THIS EVENING THROUGH THIS
EVENING...

.THIS AFTERNOON...SE winds around 10 kt, increasing to 20 to
25 kt. Gusts up to 30 kt. Seas 5 to 8 ft. A chance of showers,
then showers. Patchy fog with vsby 1 NM or less.
.TONIGHT...SE winds 25 to 30 kt, becoming S 20 to 25 kt after
midnight. Gusts up to 40 kt. Seas 6 to 9 ft. Patchy fog. A chance
of showers. Vsby 1 NM or less.
.WED...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
7 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.WED NIGHT...S winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 4 to 7 ft. Patchy fog. Showers
likely with a chance of tstms. Vsby 1 NM or less.
.THU...N winds 10 to 15 kt. Gusts up to 25 kt in the morning.
Seas 4 to 6 ft.
.THU NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 ft.
.FRI...NE winds 5 to 10 kt. Seas 2 to 4 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft.
.SAT...W winds 5 to 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 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.

$$

ANZ251-260315-
Massachusetts Bay and Ipswich Bay-
1040 AM EDT Tue Sep 25 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...E winds 10 to 15 kt, becoming SE 20 to 25 kt.
Seas 4 to 7 ft. A chance of showers, then showers. Patchy fog
with vsby 1 to 3 NM.
.TONIGHT...SE winds 20 to 25 kt, becoming S 15 to 20 kt after
midnight. Gusts up to 35 kt. Seas 5 to 8 ft. Patchy fog. A chance
of showers. Vsby 1 NM or less.
.WED...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.WED NIGHT...SW winds 10 to 15 kt, becoming W after midnight.
Gusts up to 20 kt. Seas 3 to 5 ft. Patchy fog. Showers likely
with a chance of tstms. Vsby 1 to 3 NM.
.THU...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE
5 to 10 kt in the afternoon. Seas 2 to 4 ft.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft.
.FRI...E winds around 5 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 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.

$$

ANZ231-260315-
Cape Cod Bay-
1040 AM EDT Tue Sep 25 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...E winds 10 to 15 kt, becoming SE 15 to 20 kt.
Gusts up to 30 kt. Seas 2 to 4 ft. A slight chance of showers,
then showers. Patchy fog with vsby 1 to 3 NM.
.TONIGHT...SE winds 20 to 25 kt, becoming S 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. Showers.
Vsby 1 NM or less.
.WED...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.WED NIGHT...SW winds 10 to 15 kt, becoming W after midnight.
Gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. Showers likely
with a chance of tstms. Vsby 1 NM or less.
.THU...N winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 4 ft. A chance of showers.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...NE winds around 5 kt. Seas around 2 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 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.

$$

ANZ254-260315-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1040 AM EDT Tue Sep 25 2018

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

.THIS AFTERNOON...E winds 10 to 15 kt, becoming SE 20 to 25 kt.
Gusts up to 30 kt. Seas 5 to 7 ft. Patchy fog. Showers likely
with vsby 1 to 3 NM.
.TONIGHT...S winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to
8 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.WED...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
7 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.WED NIGHT...S winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 5 to 8 ft. Patchy fog. Showers
likely with a chance of tstms. Vsby 1 NM or less.
.THU...N winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
7 ft. A chance of showers.
.THU NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas 4 to 6 ft.
.FRI...N winds 5 to 10 kt. Seas 3 to 5 ft.
.FRI NIGHT...NW winds 5 to 10 kt. Seas 3 to 5 ft.
.SAT...NW winds 5 to 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 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.

$$

ANZ255-260315-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1040 AM EDT Tue Sep 25 2018

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

.THIS AFTERNOON...E winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 7 ft. A slight chance of showers, then showers likely.
Patchy fog with vsby 1 to 3 NM.
.TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
7 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.WED...S winds around 15 kt with gusts up to 25 kt. Seas 5 to
7 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.WED NIGHT...S winds 10 to 15 kt, becoming W after midnight.
Gusts up to 20 kt. Seas 5 to 8 ft. Patchy fog. Showers likely
with a chance of tstms. Vsby 1 NM or less.
.THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
8 ft. A chance of showers.
.THU NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas 4 to 6 ft.
.FRI...NE winds 5 to 10 kt. Seas 3 to 5 ft.
.FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft.
.SAT...NW winds 5 to 10 kt. Seas 2 to 4 ft.
.SAT NIGHT...S winds 5 to 10 kt. Seas 3 to 5 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.

$$

ANZ256-260315-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1040 AM EDT Tue Sep 25 2018

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

.THIS AFTERNOON...E winds 10 to 15 kt, becoming SE 15 to 20 kt.
Gusts up to 30 kt. Seas 6 to 8 ft. Patchy fog. A chance of
showers, then showers with vsby 1 to 3 NM.
.TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
8 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.WED...S winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to
7 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.WED NIGHT...SW winds 10 to 15 kt, becoming W after midnight.
Gusts up to 20 kt. Seas 6 to 8 ft. Patchy fog. Showers likely
with a chance of tstms. Vsby 1 NM or less.
.THU...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the
afternoon. Seas 5 to 8 ft.
.THU NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas 4 to 6 ft.
.FRI...NE winds 5 to 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft.
.SAT...W winds 5 to 10 kt. Seas 2 to 4 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 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.

$$

ANZ232-260315-
Nantucket Sound-
1040 AM EDT Tue Sep 25 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...SE winds 15 to 20 kt with gusts up to 30 kt.
Seas 3 to 5 ft. A slight chance of showers, then showers. Patchy
fog with vsby 1 to 3 NM.
.TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.WED...S winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A
chance of showers. Vsby 1 to 3 NM.
.WED NIGHT...SW winds 10 to 15 kt, becoming W after midnight.
Gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. Showers likely
with a chance of tstms. Vsby 1 NM or less.
.THU...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of showers.
.THU NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas 2 to 4 ft.
.FRI...N winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 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.

$$

ANZ233-260315-
Vineyard Sound-
1040 AM EDT Tue Sep 25 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...SE winds 15 to 20 kt with gusts up to 30 kt.
Seas 2 to 4 ft. A chance of showers, then showers. Patchy fog
with vsby 1 to 3 NM.
.TONIGHT...SE winds 15 to 20 kt, becoming S 10 to 15 kt after
midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. Showers.
Vsby 1 NM or less.
.WED...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.WED NIGHT...SW winds 10 to 15 kt, becoming W after midnight.
Gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. Showers likely
with a chance of tstms. Vsby 1 to 3 NM.
.THU...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 4 ft.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...NE winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.SAT...W winds 5 to 10 kt. Seas around 2 ft.
.SAT 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.

$$

ANZ234-260315-
Buzzards Bay-
1040 AM EDT Tue Sep 25 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...SE winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 3 ft. A chance of showers, then showers. Patchy fog
with vsby 1 to 3 NM.
.TONIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. Showers.
Vsby 1 NM or less.
.WED...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.WED NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. Showers
likely with a chance of tstms. Vsby 1 NM or less.
.THU...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...NE winds around 5 kt. Seas around 2 ft.
.FRI NIGHT...W winds around 5 kt. Seas 1 foot or less.
.SAT...W winds around 5 kt. Seas 1 foot or less.
.SAT 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.

$$

ANZ235-260315-
Rhode Island Sound-
1040 AM EDT Tue Sep 25 2018

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

.THIS AFTERNOON...SE winds 15 to 20 kt with gusts up to 30 kt.
Seas 4 to 6 ft. Patchy fog. A chance of showers, then showers
with vsby 1 to 3 NM.
.TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
7 ft. Patchy fog. Showers. Vsby 1 NM or less.
.WED...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.WED NIGHT...SW winds 10 to 15 kt, becoming W after midnight.
Gusts up to 20 kt. Seas 4 to 7 ft. Patchy fog. Showers likely
with a chance of tstms. Vsby 1 NM or less.
.THU...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 4 to 6 ft.
.THU NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 ft.
.FRI...E winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.SAT...W winds 5 to 10 kt. Seas around 2 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 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.

$$

ANZ237-260315-
Block Island Sound-
1040 AM EDT Tue Sep 25 2018

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

.THIS AFTERNOON...E winds 10 to 15 kt, becoming SE 15 to 20 kt.
Gusts up to 30 kt. Seas 5 to 7 ft. Patchy fog. Showers. Vsby 1 to
3 NM, decreasing to 1 NM or less.
.TONIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 4 to 7 ft. Patchy fog. A chance
of showers. Vsby 1 NM or less.
.WED...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.WED NIGHT...SW winds 10 to 15 kt, becoming NW after midnight.
Gusts up to 20 kt. Seas 4 to 6 ft. Patchy fog. Showers likely
with a chance of tstms. Vsby 1 NM or less.
.THU...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE
5 to 10 kt in the afternoon. Seas 4 to 6 ft.
.THU NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 ft.
.FRI...E winds 5 to 10 kt. Seas 2 to 4 ft.
.FRI NIGHT...W winds around 5 kt. Seas around 2 ft.
.SAT...W winds 5 to 10 kt. Seas around 2 ft.
.SAT NIGHT...W winds 5 to 10 kt. Seas 2 to 3 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.

$$

ANZ230-260315-
Boston Harbor-
1040 AM EDT Tue Sep 25 2018

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

.THIS AFTERNOON...E winds around 10 kt, becoming SE 15 to 20 kt.
Gusts up to 25 kt. Waves around 2 ft, but up to 2 to 4 ft at the
entrance. Showers likely, then showers. Patchy fog with vsby 1 to
3 NM.
.TONIGHT...SE winds 15 to 20 kt with gusts up to 30 kt, becoming
S around 10 kt with gusts up to 20 kt after midnight. Waves around
2 ft, but 3 to 5 ft at the entrance. Patchy fog. Showers. Vsby 1
NM or less.
.WED...S winds 5 to 10 kt with gusts up to 25 kt. Waves around
2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.WED NIGHT...SW winds around 10 kt, becoming W after midnight.
Gusts up to 20 kt. Waves around 2 ft. Patchy fog. Showers likely
with a chance of tstms.
.THU...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning.
Waves around 2 ft.
.THU NIGHT...NE winds around 5 kt. Waves 1 foot or less.
.FRI...SE winds around 5 kt. Waves 1 foot or less.
.FRI NIGHT...SW winds around 5 kt. Waves 1 foot or less.
.SAT...W winds around 5 kt. Waves 1 foot or less.
.SAT 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.

$$

ANZ236-260315-
Narragansett Bay-
1040 AM EDT Tue Sep 25 2018

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

.THIS AFTERNOON...E winds 10 to 15 kt, becoming SE 15 to 20 kt.
Gusts up to 25 kt. Waves 2 to 4 ft. Patchy fog. Showers. Vsby
1 NM or less.
.TONIGHT...S winds 15 to 20 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 30 kt. Waves 2 to 4 ft. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.WED...S winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Waves 2 to 4 ft. Patchy fog. A
chance of showers. Vsby 1 to 3 NM.
.WED NIGHT...SW winds 10 to 15 kt, becoming NW 5 to 10 kt after
midnight. Gusts up to 20 kt. Waves 2 to 4 ft. Patchy fog. Showers
likely with a chance of tstms. Vsby 1 NM or less.
.THU...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning.
Waves 2 to 3 ft.
.THU NIGHT...NE winds 5 to 10 kt. Waves 2 to 3 ft.
.FRI...E winds around 5 kt. Waves 2 to 3 ft.
.FRI NIGHT...W winds around 5 kt. Waves around 2 ft.
.SAT...W winds around 5 kt. Waves around 2 ft.
.SAT NIGHT...W winds around 5 kt. Waves around 2 ft.

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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