Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 230516
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
116 AM EDT Sun Sep 23 2018

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

ANZ200-231800-
116 AM EDT Sun Sep 23 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres will build east over the waters for the remainder of  the
weekend. A stronger high will build across Quebec on Mon,  then
shift east on Tue. A warm front will lift north of the  waters Wed
and be followed by a cold front moving across the waters early Thu.


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.

$$

ANZ250-231800-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
116 AM EDT Sun Sep 23 2018

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

$$

ANZ251-231800-
Massachusetts Bay and Ipswich Bay-
116 AM EDT Sun Sep 23 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.SUN...NE winds around 5 kt, becoming SE around 5 kt in the
afternoon. Seas around 2 ft.
.SUN NIGHT...S winds around 5 kt, becoming N 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 4 ft.
.MON...NE winds 15 to 20 kt, becoming E 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.TUE...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. Rain. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 10 to 15 kt with gusts up to 30 kt. Seas
3 to 5 ft. Rain likely. Vsby 1 to 3 NM.
.WED...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of showers.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of showers.
.THU...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft.
.THU NIGHT...NE 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.

$$

ANZ231-231800-
Cape Cod Bay-
116 AM EDT Sun Sep 23 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Seas 1 foot or less.
.SUN...E winds around 5 kt. Seas 1 foot or less.
.SUN NIGHT...S winds around 5 kt, becoming NE after midnight.
Seas around 2 ft.
.MON...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft.
.MON NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.TUE...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Rain likely.
.TUE NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Rain likely.
.WED...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. A chance of showers.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 30 kt. Seas
2 to 4 ft. A chance of showers.
.THU...N winds around 10 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...NE 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.

$$

ANZ254-231800-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
116 AM EDT Sun Sep 23 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...N winds around 5 kt, becoming NE 10 to 15 kt after
midnight. Seas 2 to 4 ft.
.MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
7 ft.
.MON NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 7 ft.
.TUE...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. Rain likely.
.TUE NIGHT...SE winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 7 ft. Rain likely.
.WED...S winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
8 ft. A chance of showers.
.WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
5 to 7 ft. A chance of showers.
.THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.
.THU NIGHT...NE 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.

$$

ANZ255-231800-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
116 AM EDT Sun Sep 23 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...E winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft.
.MON...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft.
.MON NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 7 ft.
.TUE...E winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. Rain likely.
.TUE NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 7 ft. Rain likely.
.WED...S winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
7 ft. A chance of showers.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 30 kt. Seas
5 to 7 ft. A chance of showers.
.THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.
.THU NIGHT...NE 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.

$$

ANZ256-231800-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
116 AM EDT Sun Sep 23 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...E winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...E winds around 5 kt, becoming NE after midnight.
Seas 2 to 3 ft.
.MON...NE winds 20 to 25 kt, becoming E 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds 15 to 20 kt with gusts up to 30 kt. Seas
5 to 7 ft.
.TUE...E winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
7 ft. Rain likely.
.TUE NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 7 ft. Rain likely.
.WED...S winds 10 to 15 kt with gusts up to 30 kt. Seas 5 to
7 ft. Showers likely.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 30 kt. Seas
6 to 7 ft. A chance of showers.
.THU...N winds around 10 kt with gusts up to 20 kt. Seas 5 to
6 ft.
.THU NIGHT...NE winds around 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.

$$

ANZ232-231800-
Nantucket Sound-
116 AM EDT Sun Sep 23 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Seas 1 to 2 ft.
.SUN...NE winds around 5 kt, becoming SE in the afternoon. Seas
around 2 ft.
.SUN NIGHT...E winds around 5 kt, becoming NE after midnight.
Seas around 2 ft.
.MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.MON NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.
.TUE...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Rain likely.
.TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 4 ft. Rain likely.
.WED...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. A chance of showers.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 30 kt. Seas
2 to 4 ft. A chance of showers.
.THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU 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.

$$

ANZ233-231800-
Vineyard Sound-
116 AM EDT Sun Sep 23 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Seas 1 to 2 ft.
.SUN...NE winds around 5 kt, becoming SE in the afternoon. Seas
1 to 2 ft.
.SUN NIGHT...SW winds around 5 kt, becoming NE after midnight.
Seas 1 foot or less.
.MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.MON NIGHT...E winds around 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.
.TUE...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
3 ft. Rain likely.
.TUE NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 4 ft. Rain likely.
.WED...S winds around 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Showers likely.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of showers.
.THU...N winds around 10 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.THU 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.

$$

ANZ234-231800-
Buzzards Bay-
116 AM EDT Sun Sep 23 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.SUN...NE winds around 5 kt, becoming S in the afternoon. Seas
around 2 ft.
.SUN NIGHT...SW winds around 5 kt, becoming NE after midnight.
Seas 1 foot or less.
.MON...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft.
.MON NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft.
.TUE...SE winds 10 to 15 kt with gusts up to 25 kt. Seas around
2 ft. Rain likely.
.TUE NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Rain likely.
.WED...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of showers.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of showers.
.THU...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
.THU 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.

$$

ANZ235-231800-
Rhode Island Sound-
116 AM EDT Sun Sep 23 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.SUN...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft.
.SUN NIGHT...SW winds around 5 kt, becoming NE after midnight.
Seas around 2 ft.
.MON...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.MON NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft.
.TUE...E winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Rain likely.
.TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 6 ft. Rain likely.
.WED...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. Showers likely.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of showers.
.THU...N winds around 10 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.THU NIGHT...NE 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.

$$

ANZ237-231800-
Block Island Sound-
116 AM EDT Sun Sep 23 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.SUN...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft.
.SUN NIGHT...SW winds around 5 kt, becoming NE after midnight.
Seas around 2 ft.
.MON...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft.
.MON NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft.
.TUE...E winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. Rain likely.
.TUE NIGHT...SE winds 15 to 20 kt, becoming S 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Rain likely.
.WED...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of showers.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of showers.
.THU...N winds around 10 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.THU NIGHT...E 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.

$$

ANZ230-231800-
Boston Harbor-
116 AM EDT Sun Sep 23 2018

.REST OF TONIGHT...N winds 5 to 10 kt. Waves 1 foot or less.
.SUN...N winds around 5 kt, becoming SE in the afternoon. Waves
1 foot or less.
.SUN NIGHT...S winds around 5 kt, becoming N 10 to 15 kt with
gusts up to 20 kt after midnight. Waves 2 to 3 ft.
.MON...NE winds 15 to 20 kt, becoming E around 10 kt in the
afternoon. Gusts up to 25 kt. Waves 2 to 4 ft.
.MON NIGHT...E winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Waves 1 foot or less, except 2 to 4 ft at the outer
harbor entrance.
.TUE...SE winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft. Rain. Vsby 1 to 3 NM.
.TUE NIGHT...S winds around 10 kt with gusts up to 25 kt. Waves
around 2 ft. Rain. Vsby 1 to 3 NM.
.WED...S winds around 10 kt with gusts up to 20 kt. Waves around
2 ft. A chance of showers.
.WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves
around 2 ft. A chance of showers.
.THU...N winds around 5 kt. Waves 1 foot or less.
.THU NIGHT...NE 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.

$$

ANZ236-231800-
Narragansett Bay-
116 AM EDT Sun Sep 23 2018

.REST OF TONIGHT...NE winds around 5 kt. Waves 1 foot or less.
.SUN...NE winds around 5 kt, becoming S in the afternoon. Waves
1 foot or less.
.SUN NIGHT...SW winds around 5 kt, becoming N around 5 kt after
midnight. Waves 1 foot or less.
.MON...NE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft.
.MON NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Waves
2 to 3 ft.
.TUE...E winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft. Rain. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Waves
2 to 3 ft. Rain likely.
.WED...S winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft. A chance of showers.
.WED NIGHT...SW winds 5 to 10 kt with gusts up to 25 kt. Waves
2 to 3 ft. A chance of showers.
.THU...N winds 5 to 10 kt. Waves 2 to 3 ft.
.THU NIGHT...NE 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.

$$

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