Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 260007
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
807 PM EDT Fri May 25 2018

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

ANZ200-261315-
807 PM EDT Fri May 25 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure will remain southeast of the waters tonight and Sat. A
back door cold front will slowly settle south across  the waters Sat
night. This front will become nearly stationary  just south of the
waters on Sun and Mon. A cold front will cross  the waters late Mon
night, behind which high pressure builds over New England on Tue.
The high will shift southeast of the waters on Wed.

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.

$$

ANZ250-261315-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
807 PM EDT Fri May 25 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT SATURDAY...

.TONIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft. A slight chance of
showers after midnight.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming SE
5 to 10 kt in the afternoon. Seas 2 to 4 ft. A chance of showers.
.SAT NIGHT...E winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 2 to 3 ft. Patchy fog. A chance
of showers. Vsby 1 to 3 NM.
.SUN...E winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
7 ft. Showers likely. Vsby 1 to 3 NM.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
5 to 8 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.MON...NE winds 5 to 10 kt. Seas 4 to 6 ft. Patchy fog. Vsby 1 to
3 NM.
.MON NIGHT...SE winds 5 to 10 kt, becoming SW after midnight.
Seas 3 to 5 ft.
.TUE...NW winds 5 to 10 kt. Seas 3 to 5 ft.
.TUE NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft.
.WED...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...SW winds 5 to 10 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.

$$

ANZ251-261315-
Massachusetts Bay and Ipswich Bay-
807 PM EDT Fri May 25 2018

.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt this evening.
Seas 2 to 3 ft. A slight chance of showers after midnight.
.SAT...SW winds 10 to 15 kt, becoming SE 5 to 10 kt in the
afternoon. Seas around 2 ft. A chance of showers.
.SAT NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas
around 2 ft. A chance of showers.
.SUN...E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. Showers likely.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. Seas 4 to 6 ft. Patchy
fog. A chance of showers. Vsby 1 NM or less.
.MON...NE winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. Vsby 1 to
3 NM.
.MON NIGHT...SE winds 5 to 10 kt, becoming SW after midnight.
Seas 2 to 4 ft.
.TUE...NW winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE NIGHT...N winds around 5 kt. Seas 2 to 3 ft.
.WED...E winds 5 to 10 kt. Seas around 2 ft.
.WED NIGHT...SW 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.

$$

ANZ231-261315-
Cape Cod Bay-
807 PM EDT Fri May 25 2018

.TONIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Seas 2 to 4 ft.
.SAT...SW winds 10 to 15 kt, becoming S 5 to 10 kt in the
afternoon. Seas around 2 ft.
.SAT NIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. Seas around 2 ft. Patchy fog. A
chance of showers. Vsby 1 to 3 NM.
.SUN...E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. Patchy
fog. A chance of showers. Vsby 1 NM or less.
.MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM
or less.
.MON NIGHT...SE winds around 5 kt, becoming SW after midnight.
Seas 2 to 3 ft.
.TUE...NW winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...NE winds around 5 kt. Seas around 2 ft.
.WED...SE winds 5 to 10 kt. Seas 1 foot or less.
.WED NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.

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.

$$

ANZ254-261315-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
807 PM EDT Fri May 25 2018

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

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

$$

ANZ255-261315-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
807 PM EDT Fri May 25 2018

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

.TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.SAT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 4 to 6 ft. Patchy fog. Vsby 1 to 3 NM.
.SAT NIGHT...SW winds 10 to 15 kt, becoming E 5 to 10 kt after
midnight. Seas 2 to 4 ft. Patchy fog. Showers likely with a
chance of tstms. Vsby 1 to 3 NM.
.SUN...E winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. Showers
likely with a chance of tstms. Vsby 1 to 3 NM.
.SUN 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. Patchy
fog. A chance of showers. Vsby 1 NM or less.
.MON...NE winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. Vsby 1 NM
or less.
.MON NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft.
.TUE...W winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE NIGHT...E winds around 5 kt. Seas 2 to 4 ft.
.WED...E winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...S 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.

$$

ANZ256-261315-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
807 PM EDT Fri May 25 2018

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

.TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.SAT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 4 to 6 ft. Patchy fog. Vsby 1 to 3 NM.
.SAT NIGHT...SW winds 10 to 15 kt, becoming E 5 to 10 kt after
midnight. Seas 3 to 4 ft. Patchy fog. Showers likely with a
chance of tstms. Vsby 1 to 3 NM.
.SUN...NE winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Seas 3 to 4 ft. Patchy fog. Showers
likely with a chance of tstms. Vsby 1 to 3 NM.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.MON...NE winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. Vsby 1 to
3 NM.
.MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE...SW winds 5 to 10 kt. Seas around 3 ft.
.TUE NIGHT...E winds around 5 kt. Seas around 3 ft.
.WED...E winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...S 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.

$$

ANZ232-261315-
Nantucket Sound-
807 PM EDT Fri May 25 2018

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

$$

ANZ233-261315-
Vineyard Sound-
807 PM EDT Fri May 25 2018

.TONIGHT...SW winds 15 to 20 kt. Seas 2 to 4 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Patchy fog. Vsby 1 to 3 NM.
.SAT NIGHT...S winds 5 to 10 kt, becoming E after midnight. Seas
2 to 3 ft. Patchy fog. Showers likely with a chance of tstms.
Vsby 1 to 3 NM.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Patchy fog. Showers likely with a chance of tstms. Vsby
1 to 3 NM.
.SUN NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Patchy fog. A chance of showers. Vsby
1 to 3 NM.
.MON...NE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Vsby
1 to 3 NM.
.MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.TUE...SW winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...E winds around 5 kt. Seas around 2 ft.
.WED...SE winds 5 to 10 kt. Seas around 2 ft.
.WED 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.

$$

ANZ234-261315-
Buzzards Bay-
807 PM EDT Fri May 25 2018

.TONIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Seas 2 to 4 ft.
.SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT NIGHT...S winds 5 to 10 kt, becoming E after midnight. Seas
around 2 ft. Patchy fog. Showers likely with a chance of tstms.
Vsby 1 to 3 NM.
.SUN...NE winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Seas around 2 ft. Patchy fog.
Showers likely with a chance of tstms. Vsby 1 to 3 NM.
.SUN NIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Patchy fog. A chance of showers. Vsby
1 to 3 NM.
.MON...NE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Vsby
1 to 3 NM.
.MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.TUE...W winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...NE winds around 5 kt. Seas 1 foot or less.
.WED...SE winds 5 to 10 kt. Seas 1 foot or less.
.WED 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.

$$

ANZ235-261315-
Rhode Island Sound-
807 PM EDT Fri May 25 2018

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

.TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.SAT...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 3 to 5 ft. Patchy fog. Vsby 1 to 3 NM.
.SAT NIGHT...S winds 10 to 15 kt, becoming E 5 to 10 kt after
midnight. Seas 2 to 4 ft. Patchy fog. Showers likely with a
chance of tstms. Vsby 1 to 3 NM.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Patchy fog. Showers likely with a chance of tstms. Vsby
1 to 3 NM.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.MON...NE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to
3 NM.
.MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE NIGHT...E winds 5 to 10 kt. Seas around 2 ft.
.WED...SE winds 5 to 10 kt. Seas around 2 ft.
.WED NIGHT...S 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.

$$

ANZ237-261315-
Block Island Sound-
807 PM EDT Fri May 25 2018

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

.TONIGHT...SW winds 15 to 20 kt. Seas 3 to 5 ft.
.SAT...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 3 to 5 ft.
.SAT NIGHT...SW winds 5 to 10 kt, becoming E after midnight. Seas
2 to 4 ft. Patchy fog. Showers likely with a chance of tstms.
Vsby 1 to 3 NM.
.SUN...NE winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. Showers
likely with a chance of tstms. Vsby 1 to 3 NM.
.SUN 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. Patchy
fog. A chance of showers. Vsby 1 to 3 NM.
.MON...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 to 4 ft. Patchy fog. Vsby 1 to 3 NM.
.MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE NIGHT...E winds around 5 kt. Seas around 2 ft.
.WED...SE winds 5 to 10 kt. Seas around 2 ft.
.WED NIGHT...S 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.

$$

ANZ230-261315-
Boston Harbor-
807 PM EDT Fri May 25 2018

.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt this evening.
Waves around 2 ft.
.SAT...SW winds 5 to 10 kt, becoming N in the afternoon. Waves
1 foot or less. A chance of showers.
.SAT NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Gusts up to 20 kt. Waves around 2 ft. A chance of
showers.
.SUN...NE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
4 ft. Showers likely.
.SUN NIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Waves 2 to 4 ft. Patchy fog. A chance of showers. Vsby
1 NM or less.
.MON...NE winds around 5 kt. Waves 1 foot or less. Patchy fog. A
chance of showers. Vsby 1 to 3 NM.
.MON NIGHT...SE winds around 5 kt, becoming SW after midnight.
Waves 1 foot or less.
.TUE...NW winds around 5 kt. Waves 1 foot or less.
.TUE NIGHT...N winds around 5 kt. Waves 1 foot or less.
.WED...E winds around 5 kt. Waves 1 foot or less.
.WED NIGHT...SW winds around 5 kt. Waves 1 foot or less.

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.

$$

ANZ236-261315-
Narragansett Bay-
807 PM EDT Fri May 25 2018

.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Waves 2 to 4 ft.
.SAT...SW winds 5 to 10 kt. Waves 2 to 3 ft.
.SAT NIGHT...SE winds 5 to 10 kt, becoming NE after midnight.
Waves 2 to 3 ft. Patchy fog. Showers likely with a chance of
tstms. Vsby 1 to 3 NM.
.SUN...NE winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft. Patchy fog. Showers likely.
.SUN NIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft. Patchy fog. A chance of showers. Vsby
1 to 3 NM.
.MON...NE winds 5 to 10 kt. Waves around 2 ft. Patchy fog. Vsby
1 to 3 NM.
.MON NIGHT...SW winds around 5 kt. Waves around 2 ft.
.TUE...W winds 5 to 10 kt. Waves around 2 ft.
.TUE NIGHT...NE winds around 5 kt. Waves around 2 ft.
.WED...SE winds 5 to 10 kt. Waves around 2 ft.
.WED NIGHT...SW winds around 5 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.

$$

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