Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 250516
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
116 AM EDT Fri May 25 2018

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

ANZ200-251800-
116 AM EDT Fri May 25 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure over the waters will settle offshore to the south
Friday and Saturday. A back door cold front will slowly settle
south across the waters late Saturday. This front will become
nearly stationary just south of the waters for Sunday and Monday.  A
cold front will cross the waters on Tuesday.

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.

$$

ANZ250-251800-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
116 AM EDT Fri May 25 2018

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

.REST OF TONIGHT...SW winds around 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less.
.FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.FRI NIGHT...SW winds 15 to 20 kt. Seas 2 to 4 ft.
.SAT...SW winds 10 to 15 kt, becoming S 5 to 10 kt in the
afternoon. Seas 2 to 4 ft.
.SAT NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of showers and tstms.
.SUN...E winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
7 ft. A chance of showers.
.SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 5 to 8 ft. A
chance of showers.
.MON...E winds 5 to 10 kt. Seas 3 to 5 ft.
.MON NIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft.
.TUE...NW winds 5 to 10 kt. Seas 3 to 5 ft.
.TUE NIGHT...NW 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.

$$

ANZ251-251800-
Massachusetts Bay and Ipswich Bay-
116 AM EDT Fri May 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...

.REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas around 2 ft.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft.
.SAT...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
around 2 ft. A chance of showers and tstms.
.SAT NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of showers and tstms.
.SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of showers.
.SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 kt, becoming
NE 5 to 10 kt after midnight. Seas 4 to 6 ft. A chance of
showers.
.MON...NE winds 5 to 10 kt. Seas 3 to 5 ft.
.MON NIGHT...S winds around 5 kt. Seas 2 to 4 ft.
.TUE...NW winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE NIGHT...NW 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.

$$

ANZ231-251800-
Cape Cod Bay-
116 AM EDT Fri May 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING
THROUGH LATE TONIGHT...

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

$$

ANZ254-251800-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
116 AM EDT Fri May 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING...

.REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 30 kt.
Seas 2 to 4 ft. Areas of dense fog. Vsby 1 NM or less.
.FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. Areas of dense fog. Vsby 1 NM or less.
.FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.SAT NIGHT...S winds 10 to 15 kt, becoming E after midnight.
Gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers.
.SUN...E winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
7 ft. A chance of showers.
.SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 5 to 8 ft. A
chance of showers.
.MON...E winds 5 to 10 kt. Seas 4 to 6 ft.
.MON NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE...W winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE NIGHT...NW 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.

$$

ANZ255-251800-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
116 AM EDT Fri May 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING...

.REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 3 ft. Areas of dense fog. Vsby 1 NM or less.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 3 to 5 ft. Areas of dense fog. Vsby 1 NM or less.
.FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 7 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
7 ft.
.SAT NIGHT...SW winds 10 to 15 kt, becoming SE 5 to 10 kt after
midnight. Seas 2 to 4 ft. A chance of showers and tstms.
.SUN...E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 3 to 5 ft. A chance of
showers.
.SUN NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 4 to 6 ft. A chance of showers.
.MON...E winds 5 to 10 kt. Seas 3 to 5 ft.
.MON NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE...W winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE NIGHT...NW winds around 5 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.

$$

ANZ256-251800-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
116 AM EDT Fri May 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING...

.REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 3 ft. Areas of fog. Vsby 1 NM or less.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 3 to 5 ft.
.FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 7 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.
.SAT NIGHT...SW winds 10 to 15 kt, becoming SE 5 to 10 kt after
midnight. Seas 3 to 4 ft. A chance of showers and tstms.
.SUN...E winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 4 ft. A chance of showers.
.SUN NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 3 to 5 ft.
.MON...E winds 5 to 10 kt. Seas 3 to 5 ft.
.MON NIGHT...S winds 5 to 10 kt. Seas around 3 ft.
.TUE...W winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE 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.

$$

ANZ232-251800-
Nantucket Sound-
116 AM EDT Fri May 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING
THROUGH LATE TONIGHT...

.REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas around 2 ft. Areas of dense fog. Vsby 1 NM or less.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 2 to 4 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.SAT NIGHT...S winds 5 to 10 kt, becoming E after midnight. Seas
2 to 3 ft. A chance of showers.
.SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.SUN NIGHT...E winds 10 to 15 kt with gusts up to 20 kt, becoming
NE 5 to 10 kt after midnight. Seas 2 to 4 ft. A chance of
showers.
.MON...E winds 5 to 10 kt. Seas 2 to 3 ft.
.MON NIGHT...S winds around 5 kt. Seas around 2 ft.
.TUE...W winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...N winds around 5 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.

$$

ANZ233-251800-
Vineyard Sound-
116 AM EDT Fri May 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING
THROUGH LATE TONIGHT...

.REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Areas of fog. Vsby 1 NM or less.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 2 to 4 ft.
.FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft.
.SAT...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 4 ft.
.SAT NIGHT...S winds 10 to 15 kt, becoming E 5 to 10 kt after
midnight. Seas 2 to 3 ft. A chance of showers and tstms.
.SUN...E winds around 10 kt. Seas 2 to 3 ft. A chance of showers.
.SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.MON...E winds 5 to 10 kt. Seas around 2 ft.
.MON NIGHT...S winds around 5 kt. Seas around 2 ft.
.TUE...W winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...W 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.

$$

ANZ234-251800-
Buzzards Bay-
116 AM EDT Fri May 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING
THROUGH LATE TONIGHT...

.REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Areas of fog. Vsby 1 NM or less.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 2 to 4 ft.
.FRI NIGHT...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. A chance of showers and tstms.
.SUN...NE winds around 10 kt. Seas around 2 ft. A chance of
showers.
.SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.MON...E winds 5 to 10 kt. Seas around 2 ft.
.MON NIGHT...S winds around 5 kt. Seas 1 foot or less.
.TUE...W winds 5 to 10 kt. Seas 1 foot or less.
.TUE NIGHT...W 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.

$$

ANZ235-251800-
Rhode Island Sound-
116 AM EDT Fri May 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH LATE TONIGHT...

.REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 3 to 5 ft.
.FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.SAT NIGHT...S winds 10 to 15 kt, becoming E 5 to 10 kt after
midnight. Seas 2 to 4 ft. A chance of showers and tstms.
.SUN...NE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. A chance of showers.
.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.
.MON...E winds 5 to 10 kt. Seas 2 to 4 ft.
.MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...W winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE NIGHT...W 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.

$$

ANZ237-251800-
Block Island Sound-
116 AM EDT Fri May 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH LATE TONIGHT...

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

$$

ANZ230-251800-
Boston Harbor-
116 AM EDT Fri May 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...

.REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves 1 foot or less.
.FRI...W winds 10 to 15 kt with gusts up to 25 kt. Waves around
2 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Waves around 2 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers and tstms.
.SAT NIGHT...E winds 5 to 10 kt with gusts up to 25 kt. Waves
around 2 ft. A chance of showers and tstms.
.SUN...NE winds around 10 kt with gusts up to 20 kt. Waves around
2 ft, except 3 to 5 ft at the outer harbor entrance. A chance of
showers.
.SUN NIGHT...NE winds 5 to 10 kt. Waves around 2 ft. A chance of
showers.
.MON...NE winds around 5 kt. Waves 1 foot or less, except 2 to
4 ft at the outer harbor entrance.
.MON NIGHT...S winds around 5 kt. 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.

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.

$$

ANZ236-251800-
Narragansett Bay-
116 AM EDT Fri May 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS EVENING...

.REST OF TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt.
Waves around 2 ft. Areas of fog. Vsby 1 NM or less.
.FRI...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Waves 2 to 3 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Waves 2 to 3 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. A chance of showers and tstms.
.SUN...NE winds 5 to 10 kt. Waves around 2 ft. A chance of
showers.
.SUN NIGHT...NE winds 5 to 10 kt. Waves 2 to 3 ft.
.MON...E winds around 5 kt. Waves 2 to 3 ft.
.MON NIGHT...S winds around 5 kt. Waves around 2 ft.
.TUE...W winds around 5 kt. Waves around 2 ft.
.TUE NIGHT...NW 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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