Coastal Waters Forecast
Issued by NWS Boston, MA

Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

000
FZUS51 KBOX 131116
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
716 AM EDT Wed Jun 13 2018

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

ANZ200-140000-
716 AM EDT Wed Jun 13 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
A warm front will lift north across the waters today followed by  a
cold front tonight. A secondary cold front will pass over the
waters Thu night. High pres will build over the waters Fri and  Sat,
shifting southeast on Sun.

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.

$$

ANZ250-140000-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
716 AM EDT Wed Jun 13 2018

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

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Patchy fog this afternoon. Scattered showers this afternoon
with vsby 1 to 3 NM.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Patchy fog. Vsby 1 NM or less.
.THU...W winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 4 ft.
.THU NIGHT...NW winds 10 to 15 kt, becoming N after midnight.
Gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers.
.FRI...N winds 10 to 15 kt with gusts up to 20 kt, becoming NW
5 to 10 kt in the afternoon. Seas 3 to 5 ft.
.FRI NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT...SW winds 5 to 10 kt. Seas around 2 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.SUN...SW winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 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.

$$

ANZ251-140000-
Massachusetts Bay and Ipswich Bay-
716 AM EDT Wed Jun 13 2018

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

.TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt this
afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog this
afternoon. Scattered showers this afternoon.
.TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. Patchy fog. Vsby 1 NM or less.
.THU...W winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Seas 2 to 3 ft.
.THU NIGHT...NW winds 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers.
.FRI...N winds 5 to 10 kt. Seas 2 to 4 ft.
.FRI NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.SAT...SW winds 5 to 10 kt. Seas around 2 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...SW winds 10 to 15 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.

$$

ANZ231-140000-
Cape Cod Bay-
716 AM EDT Wed Jun 13 2018

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

.TODAY...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around
2 ft. Patchy fog this afternoon. Scattered showers this afternoon
with vsby 1 to 3 NM.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Patchy fog. Vsby 1 NM or less.
.THU...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas around 2 ft.
.THU NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft.
.FRI...N winds 10 to 15 kt with gusts up to 20 kt, diminishing to
5 to 10 kt in the afternoon. Seas 2 to 4 ft.
.FRI NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.SAT...SW winds 5 to 10 kt. Seas 1 foot or less.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.
.SUN...SW winds 10 to 15 kt. Seas around 2 ft.
.SUN NIGHT...SW winds 10 to 15 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.

$$

ANZ254-140000-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
716 AM EDT Wed Jun 13 2018

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

.TODAY...SW winds 10 to 15 kt. Seas 2 to 4 ft. Patchy fog.
Scattered showers and tstms this afternoon. Some tstms may
produce heavy rainfall this afternoon with vsby 1 to 3 NM.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 3 to 5 ft. Patchy fog. Scattered showers. Vsby
1 NM or less.
.THU...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. Patchy fog.
.THU NIGHT...W winds 10 to 15 kt, becoming NW with gusts up to
20 kt after midnight. Seas 3 to 5 ft.
.FRI...N winds 10 to 15 kt, becoming NW 5 to 10 kt in the
afternoon. Gusts up to 20 kt. Seas 3 to 5 ft.
.FRI NIGHT...W winds 5 to 10 kt. Seas 2 to 4 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.
.SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ255-140000-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
716 AM EDT Wed Jun 13 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM EDT THIS AFTERNOON
THROUGH THURSDAY EVENING...

.TODAY...SW winds 10 to 15 kt. Seas 2 to 4 ft. Isolated showers
this morning, then scattered showers and tstms this afternoon.
Patchy fog this afternoon. Some tstms may produce heavy rainfall
this afternoon with vsby 1 to 3 NM.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 25 kt after
midnight. Seas 4 to 6 ft. Patchy fog. Scattered showers. Vsby
1 NM or less.
.THU...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft.
.FRI...N winds 10 to 15 kt with gusts up to 20 kt, becoming NW
5 to 10 kt in the afternoon. Seas 2 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 3 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...SW winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ256-140000-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
716 AM EDT Wed Jun 13 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM EDT THIS AFTERNOON
THROUGH THURSDAY EVENING...

.TODAY...S winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas 3 to 4 ft. Patchy fog. Scattered showers this morning, then
numerous showers and scattered tstms this afternoon. Some tstms
may produce heavy rainfall this afternoon. Vsby 1 to 3 NM.
.TONIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 4 to 6 ft. Patchy fog.
Vsby 1 NM or less.
.THU...W winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 4 to 6 ft.
.THU NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after
midnight. Seas 3 to 5 ft.
.FRI...N winds 10 to 15 kt with gusts up to 20 kt, becoming SW
5 to 10 kt in the afternoon. Seas 2 to 4 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...W winds 5 to 10 kt. Seas around 3 ft.
.SUN...SW winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 4 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.

$$

ANZ232-140000-
Nantucket Sound-
716 AM EDT Wed Jun 13 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...

.TODAY...SW winds 10 to 15 kt. Seas 2 to 3 ft. Patchy fog this
afternoon. Widespread showers and scattered tstms this afternoon.
Some tstms may produce heavy rainfall this afternoon with vsby
1 to 3 NM.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 25 kt after
midnight. Seas 2 to 4 ft. Patchy fog. Scattered showers. Vsby
1 NM or less.
.THU...W winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft.
.THU NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft.
.FRI...N winds 10 to 15 kt with gusts up to 20 kt, becoming NW
5 to 10 kt in the afternoon. 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 1 foot or less.
.SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ233-140000-
Vineyard Sound-
716 AM EDT Wed Jun 13 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...

.TODAY...SW winds 10 to 15 kt. Seas 2 to 3 ft. Scattered showers
this morning, then widespread showers and scattered tstms this
afternoon. Patchy fog this afternoon. Some tstms may produce
heavy rainfall this afternoon with vsby 1 to 3 NM.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less.
.THU...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the
afternoon. Seas 2 to 3 ft.
.THU NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft.
.FRI...NW 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 around 2 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN NIGHT...SW winds 10 to 15 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.

$$

ANZ234-140000-
Buzzards Bay-
716 AM EDT Wed Jun 13 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Scattered showers this morning, then numerous showers this
afternoon. Patchy fog this afternoon with vsby 1 to 3 NM.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Patchy fog. Vsby 1 NM or less.
.THU...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming
NW 5 to 10 kt after midnight. Seas 2 to 3 ft.
.FRI...NW 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 1 foot or less.
.SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...SW winds 10 to 15 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.

$$

ANZ235-140000-
Rhode Island Sound-
716 AM EDT Wed Jun 13 2018

.TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas 3 to 4 ft. Scattered showers this morning, then numerous
showers and scattered tstms this afternoon. Patchy fog this
afternoon. Some tstms may produce heavy rainfall this afternoon.
Vsby 1 to 3 NM.
.TONIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog.
Scattered showers. Vsby 1 NM or less.
.THU...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft.
.THU NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after
midnight. Seas 3 to 5 ft.
.FRI...N winds 10 to 15 kt with gusts up to 20 kt, becoming W
5 to 10 kt in the afternoon. Seas 2 to 4 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...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...SW winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN NIGHT...SW winds 10 to 15 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.

$$

ANZ237-140000-
Block Island Sound-
716 AM EDT Wed Jun 13 2018

.TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt this
afternoon. Seas 2 to 3 ft. Patchy fog. Scattered showers this
morning, then numerous showers and scattered tstms this
afternoon. Some tstms may produce heavy rainfall this afternoon.
Vsby 1 to 3 NM, decreasing to 1 NM or less this afternoon.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 3 to 5 ft. Patchy fog. Vsby 1 NM or less.
.THU...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.THU NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 4 ft.
.FRI...N winds 5 to 10 kt with gusts up to 20 kt, becoming SW in
the afternoon. Seas 2 to 4 ft.
.FRI NIGHT...W winds 5 to 10 kt. Seas 2 to 3 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.
.SUN...SW winds 5 to 10 kt. Seas 2 to 4 ft.
.SUN NIGHT...SW winds 10 to 15 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.

$$

ANZ230-140000-
Boston Harbor-
716 AM EDT Wed Jun 13 2018

.TODAY...SW winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft. Isolated showers this morning, then scattered showers this
afternoon.
.TONIGHT...SW winds 5 to 10 kt. Waves around 2 ft. Patchy fog.
Vsby 1 to 3 NM.
.THU...W winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft.
.THU NIGHT...NW winds 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Gusts up to 20 kt. Waves around 2 ft. A chance of
showers.
.FRI...N winds 5 to 10 kt. Waves 1 foot or less.
.FRI NIGHT...W 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.
.SUN...SW winds 5 to 10 kt. Waves 1 foot or less.
.SUN NIGHT...SW winds 5 to 10 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.

$$

ANZ236-140000-
Narragansett Bay-
716 AM EDT Wed Jun 13 2018

.TODAY...S winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to
3 ft. Scattered showers this morning, then numerous showers this
afternoon. Patchy fog this afternoon with vsby 1 to 3 NM.
.TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 2 to 3 ft. Patchy fog. Vsby 1 NM or less.
.THU...W winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Waves 2 to 3 ft.
.THU NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Waves 2 to 3 ft.
.FRI...NW winds 5 to 10 kt. Waves around 2 ft.
.FRI NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft.
.SAT...W winds 5 to 10 kt. Waves around 2 ft.
.SAT NIGHT...W winds 5 to 10 kt. Waves around 2 ft.
.SUN...SW winds 5 to 10 kt. Waves 2 to 3 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 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.

$$

For the latest updates, please visit our webpage at
www.weather.gov/boston

You can follow us on Facebook at
www.facebook.com/NWSBoston

You can follow us on Twitter at
@NWSBoston




USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.