Marine Forecast Map
Click on any of the red dots to view the marine forecast for that area.
Major US Cities
Marine Forecast Report


FZUS51 KBOX 240817
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
317 AM EST Sat Feb 24 2018

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

ANZ200-242115-
317 AM EST Sat Feb 24 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...

Warm frontal boundary lifting N into the waters through Sunday
along which a wave of low pressure along the coast is expected to
develop. As such, E gales Sunday shifting W and weakening as the
low passes. Quiet through the early week period, W winds, with an
eye on the late week and the potential for a deep, offshore storm
to develop.

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.

$$

ANZ250-242115-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
317 AM EST Sat Feb 24 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...

.TODAY...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.TONIGHT...N winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts
up to 20 kt after midnight. Seas 2 to 4 ft. A chance of rain.
.SUN...E winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 35 kt. Seas 5 to 8 ft. Rain.
.SUN NIGHT...S winds 15 to 20 kt with gusts up to 30 kt, becoming
NW around 10 kt after midnight. Seas 5 to 8 ft. A chance of rain.
.MON...NW winds 10 to 15 kt, becoming W 5 to 10 kt in the
afternoon. Seas 4 to 6 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.TUE...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.WED...SW winds 5 to 10 kt. Seas 3 to 5 ft.
.WED NIGHT...E 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.

$$

ANZ251-242115-
Massachusetts Bay and Ipswich Bay-
317 AM EST Sat Feb 24 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...

.TODAY...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW
5 to 10 kt this afternoon. Seas around 2 ft.
.TONIGHT...N winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts
up to 20 kt after midnight. Seas 2 to 4 ft. A chance of rain.
.SUN...E winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
7 ft. Rain.
.SUN NIGHT...N winds 5 to 10 kt with gusts up to 20 kt, becoming
NW after midnight. Seas 4 to 7 ft. A chance of rain.
.MON...W winds 5 to 10 kt. Seas 3 to 5 ft.
.MON NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE...W winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.WED...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...NE 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.

$$

ANZ231-242115-
Cape Cod Bay-
317 AM EST Sat Feb 24 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY EVENING...

.TODAY...NW winds 5 to 10 kt. Seas around 2 ft.
.TONIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of
rain.
.SUN...E winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to
4 ft. Rain.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming NW 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance
of rain.
.MON...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.MON NIGHT...NW winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. Seas around 2 ft.
.TUE...NW winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Seas around 2 ft.
.WED...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...NW winds 5 to 10 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.

$$

ANZ254-242115-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
317 AM EST Sat Feb 24 2018

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
AFTERNOON...

.TODAY...W winds 10 to 15 kt, becoming NW 5 to 10 kt this
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog this
morning with vsby 1 NM or less.
.TONIGHT...N winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts
up to 25 kt after midnight. Seas 2 to 4 ft. A chance of rain.
.SUN...E winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to
8 ft. Rain.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 30 kt,
becoming NW with gusts up to 20 kt after midnight. Seas 5 to
8 ft. A chance of rain.
.MON...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 3 to 5 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.WED...SW winds 5 to 10 kt. Seas 3 to 5 ft.
.WED NIGHT...W winds 5 to 10 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.

$$

ANZ255-242115-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
317 AM EST Sat Feb 24 2018

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
AFTERNOON...

.TODAY...W winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt this afternoon. Seas 3 to 5 ft. Patchy fog this
morning with vsby 1 NM or less.
.TONIGHT...NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts
up to 25 kt after midnight. Seas 2 to 4 ft. Rain likely.
.SUN...E winds 15 to 20 kt, becoming SE 20 to 25 kt in the
afternoon. Gusts up to 35 kt. Seas 5 to 8 ft. Rain.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming NW after midnight. Seas 4 to 7 ft. A chance of rain.
.MON...NW winds around 10 kt. Seas 3 to 5 ft.
.MON NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 4 ft.
.TUE...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.TUE NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.
.WED...SW winds around 10 kt. Seas 3 to 5 ft.
.WED NIGHT...W winds 5 to 10 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.

$$

ANZ256-242115-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
317 AM EST Sat Feb 24 2018

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
AFTERNOON...

.TODAY...W winds 10 to 15 kt, diminishing to 5 to 10 kt this
afternoon. Seas 2 to 4 ft. Patchy fog this morning. Showers
likely this afternoon. Vsby 1 NM or less this morning.
.TONIGHT...NE winds 5 to 10 kt, becoming E 15 to 20 kt with gusts
up to 25 kt after midnight. Seas 2 to 4 ft. A chance of rain.
Vsby 1 to 3 NM.
.SUN...E winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to
9 ft. Rain. Vsby 1 to 3 NM.
.SUN NIGHT...W winds 10 to 15 kt, becoming NW 5 to 10 kt after
midnight. Seas 4 to 6 ft. A chance of rain.
.MON...W winds 5 to 10 kt. Seas 3 to 5 ft.
.MON NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft.
.TUE...W winds around 10 kt. Seas 2 to 3 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.WED...SW winds around 10 kt. Seas 4 to 6 ft.
.WED NIGHT...W winds 5 to 10 kt. Seas 4 to 6 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.

$$

ANZ232-242115-
Nantucket Sound-
317 AM EST Sat Feb 24 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY AFTERNOON...

.TODAY...W winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt this afternoon. Seas 2 to 3 ft. Patchy fog this
morning with vsby 1 NM or less.
.TONIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 25 kt after midnight. Seas 2 to 3 ft. A chance of
rain.
.SUN...E winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Rain.
.SUN NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 2 to 3 ft. A chance of rain.
.MON...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.MON NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...NW winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Seas around 2 ft.
.WED...SW winds 5 to 10 kt. Seas 2 to 4 ft.
.WED NIGHT...W 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.

$$

ANZ233-242115-
Vineyard Sound-
317 AM EST Sat Feb 24 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY AFTERNOON...

.TODAY...W winds 10 to 15 kt, diminishing to 5 to 10 kt this
afternoon. Seas 2 to 3 ft. Patchy fog this morning. A chance of
showers this afternoon. Vsby 1 NM or less this morning.
.TONIGHT...NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts
up to 25 kt after midnight. Seas 2 to 4 ft. Rain likely.
.SUN...E winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
3 ft. Rain.
.SUN NIGHT...SW winds around 10 kt, becoming NW after midnight.
Seas around 2 ft. A chance of rain.
.MON...W winds 5 to 10 kt. Seas 2 to 3 ft.
.MON NIGHT...NW winds around 10 kt. Seas 2 to 3 ft.
.TUE...W winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...SW winds around 10 kt. Seas 2 to 3 ft.
.WED...SW winds around 10 kt. Seas 2 to 4 ft.
.WED NIGHT...W 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.

$$

ANZ234-242115-
Buzzards Bay-
317 AM EST Sat Feb 24 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY AFTERNOON...

.TODAY...W winds 5 to 10 kt. Seas 1 foot or less. Patchy fog this
morning. A chance of showers this afternoon. Vsby 1 NM or less
this morning.
.TONIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 25 kt after midnight. Seas 2 to 3 ft. Rain likely.
.SUN...E winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
3 ft. Rain.
.SUN NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas around 2 ft. A chance of rain.
.MON...W winds 5 to 10 kt. Seas around 2 ft.
.MON NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less.
.TUE...W winds 5 to 10 kt. Seas 1 foot or less.
.TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.WED...SW winds 5 to 10 kt. Seas 2 to 4 ft.
.WED NIGHT...W 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.

$$

ANZ235-242115-
Rhode Island Sound-
317 AM EST Sat Feb 24 2018

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
AFTERNOON...

.TODAY...W winds 10 to 15 kt, diminishing to 5 to 10 kt this
afternoon. Seas 2 to 3 ft. Patchy fog this morning. A chance of
showers this afternoon. Vsby 1 NM or less this morning.
.TONIGHT...NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts
up to 25 kt after midnight. Seas 2 to 4 ft. Rain likely.
.SUN...E winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 35 kt. Seas 4 to 7 ft. Rain.
.SUN NIGHT...NW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of
rain.
.MON...W winds 5 to 10 kt. Seas 2 to 4 ft.
.MON NIGHT...NW winds around 10 kt. Seas 2 to 3 ft.
.TUE...W winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.WED...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.WED NIGHT...W winds 5 to 10 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.

$$

ANZ237-242115-
Block Island Sound-
317 AM EST Sat Feb 24 2018

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
AFTERNOON...

.TODAY...W winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog this
morning. Showers likely this afternoon. Vsby 1 NM or less this
morning.
.TONIGHT...NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts
up to 25 kt after midnight. Seas 2 to 4 ft. A chance of rain.
Vsby 1 to 3 NM.
.SUN...E winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to
7 ft. Rain. Vsby 1 to 3 NM.
.SUN NIGHT...NW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of
rain.
.MON...W winds 5 to 10 kt. Seas 2 to 4 ft.
.MON NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...W winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.WED...SW winds 5 to 10 kt. Seas 3 to 5 ft.
.WED NIGHT...W 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.

$$

ANZ230-242115-
Boston Harbor-
317 AM EST Sat Feb 24 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY AFTERNOON...

.TODAY...NW winds 5 to 10 kt. Gusts up to 20 kt this morning.
Waves 1 foot or less.
.TONIGHT...N winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts
up to 20 kt after midnight. Waves 2 to 3 ft. A chance of rain.
.SUN...E winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
4 ft. Rain.
.SUN NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less, except
3 to 5 ft at the outer harbor entrance. A chance of rain.
.MON...W winds 5 to 10 kt. Waves 1 foot or less, except 2 to 4 ft
at the outer harbor entrance.
.MON NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less.
.TUE...W winds 5 to 10 kt. Waves 1 foot or less.
.TUE NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less.
.WED...SW winds 5 to 10 kt. Waves 1 foot or less.
.WED NIGHT...N 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.

$$

ANZ236-242115-
Narragansett Bay-
317 AM EST Sat Feb 24 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY AFTERNOON...

.TODAY...W winds 5 to 10 kt. Waves around 2 ft. Patchy fog this
morning. A chance of showers this afternoon. Vsby 1 to 3 NM this
morning.
.TONIGHT...NE winds around 5 kt, increasing to 10 to 15 kt with
gusts up to 25 kt after midnight. Waves around 2 ft. Rain likely.
.SUN...E winds 10 to 15 kt with gusts up to 30 kt. Waves 2 to
4 ft. Rain.
.SUN NIGHT...NW winds 5 to 10 kt. Waves 2 to 4 ft. A chance of
rain.
.MON...NW winds 5 to 10 kt. Waves 2 to 3 ft.
.MON NIGHT...NW winds 5 to 10 kt. Waves around 2 ft.
.TUE...W winds 5 to 10 kt. Waves around 2 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Waves around 2 ft.
.WED...SW winds 5 to 10 kt. Waves 2 to 3 ft.
.WED NIGHT...NW 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
More in Boat & Beach
Featured Tool:

View complete marine weather reports for various on and off-shore locations.
Boat & Beach Weather Maps
Advertisements