029
FZUS51 KBOX 151706
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
106 PM EDT Sun Jun 15 2025

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

ANZ200-160600-
106 PM EDT Sun Jun 15 2025

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres from the Maritimes builds into the ern MA waters
providing elevated easterly winds Sun. This high will move offshore
Mon then another low pres will track S of the waters Tue. Weak high
pres builds into the waters Wed.

$$

ANZ250-160600-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
106 PM EDT Sun Jun 15 2025

.THIS AFTERNOON...E winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 7 seconds. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 8 seconds and S 1 foot at 7 seconds. Patchy fog. Vsby
1 to 3 NM, decreasing to 1 NM or less after midnight.
.MON...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 8 seconds.
.MON NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 7 seconds.
.TUE...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 7 seconds.
.TUE NIGHT...SE winds around 10 kt. Seas 2 to 3 ft. Wave Detail:
SE 3 ft at 7 seconds.
.WED AND WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft.
.THU AND THU NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 5 ft. A chance of showers.

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.

$$

ANZ251-160600-
Massachusetts Bay and Ipswich Bay-
106 PM EDT Sun Jun 15 2025

.THIS AFTERNOON...E winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 5 seconds.
.TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 7 seconds. Patchy fog after midnight with vsby 1 to 3 NM.
.MON...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 8 seconds.
.MON NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 7 seconds.
.TUE...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft
at 7 seconds.
.TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 7 seconds.
.WED AND WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft.
.THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft. A chance of showers.

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.

$$

ANZ231-160600-
Cape Cod Bay-
106 PM EDT Sun Jun 15 2025

.THIS AFTERNOON...E winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 1 foot at 3 seconds and S 1 foot at 8 seconds.
.TONIGHT...SE winds 5 to 10 kt. Seas 1 foot or less, then around
2 ft after midnight. Wave Detail: E 1 foot at 2 seconds and S
1 foot at 7 seconds, becoming E 2 ft at 2 seconds and S 1 foot at
7 seconds. Patchy fog after midnight.
.MON...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
1 foot at 2 seconds and S 1 foot at 7 seconds.
.MON NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
E 2 ft at 2 seconds and S 1 foot at 7 seconds.
.TUE...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft
at 2 seconds and S 1 foot at 7 seconds.
.TUE NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 5 seconds.
.WED AND WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft.
.THU...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of showers.
.THU NIGHT...SW winds around 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. A chance of showers.

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.

$$

ANZ254-160600-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
106 PM EDT Sun Jun 15 2025

.THIS AFTERNOON...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: SE 3 ft at 7 seconds. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: E
4 ft at 8 seconds and S 2 ft at 7 seconds.
.MON...E winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at
8 seconds and S 2 ft at 7 seconds.
.MON NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds.
.TUE...E winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds.
.TUE NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds.
.WED THROUGH THU...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas 3 to 5 ft.
.THU NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of showers.

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.

$$

ANZ255-160600-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
106 PM EDT Sun Jun 15 2025

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave
Detail: E 3 ft at 6 seconds and S 2 ft at 7 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: E
3 ft at 6 seconds and S 2 ft at 7 seconds. Patchy fog after
midnight.
.MON...E winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft
at 8 seconds and S 2 ft at 7 seconds.
.MON NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds.
.TUE...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds.
.TUE NIGHT...SE winds around 10 kt, becoming S after midnight.
Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds.
.WED AND WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.THU...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.THU NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of showers.

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.

$$

ANZ256-160600-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
106 PM EDT Sun Jun 15 2025

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave
Detail: NE 3 ft at 6 seconds and S 2 ft at 8 seconds.
.TONIGHT...E winds around 10 kt. Seas 3 to 4 ft. Wave Detail: SE
3 ft at 7 seconds.
.MON...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: E 4 ft at 8 seconds and S 2 ft at 7 seconds.
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 8 seconds and S 1 foot at 7 seconds.
.TUE...E winds 10 to 15 kt. Seas around 3 ft. Wave Detail: SE
3 ft at 7 seconds.
.TUE NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
around 3 ft. Wave Detail: SE 3 ft at 7 seconds.
.WED THROUGH THU...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 5 ft.
.THU NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of showers.

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.

$$

ANZ232-160600-
Nantucket Sound-
106 PM EDT Sun Jun 15 2025

.THIS AFTERNOON...E winds around 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 5 seconds and S 1 foot at 7 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
2 ft at 5 seconds and S 1 foot at 7 seconds.
.MON...E winds around 10 kt. Seas around 2 ft. Wave Detail: E
2 ft at 5 seconds and S 1 foot at 7 seconds.
.MON NIGHT...E winds around 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 7 seconds.
.TUE...E winds around 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 7 seconds.
.TUE NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 7 seconds.
.WED AND WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt.
Seas around 2 ft.
.THU...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.THU NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 4 ft. A chance of showers.

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.

$$

ANZ233-160600-
Vineyard Sound-
106 PM EDT Sun Jun 15 2025

.THIS AFTERNOON...E winds around 10 kt. Seas around 2 ft. Wave
Detail: NE 1 foot at 3 seconds and S 1 foot at 7 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S
2 ft at 7 seconds and E 1 foot at 3 seconds.
.MON...E winds 10 to 15 kt. Seas around 2 ft. Wave Detail: E
1 foot at 3 seconds and S 1 foot at 7 seconds.
.MON NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
1 foot at 3 seconds and S 1 foot at 7 seconds.
.TUE...E winds around 10 kt. Seas around 2 ft. Wave Detail: E
1 foot at 3 seconds and S 1 foot at 7 seconds.
.TUE NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 6 seconds.
.WED AND WED NIGHT...SW winds 10 to 15 kt. Seas around 2 ft.
.THU...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.THU NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 4 ft. A chance of showers.

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.

$$

ANZ234-160600-
Buzzards Bay-
106 PM EDT Sun Jun 15 2025

.THIS AFTERNOON...E winds around 10 kt. Seas around 2 ft. Wave
Detail: NE 1 foot at 2 seconds and S 1 foot at 7 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
1 foot at 2 seconds and S 1 foot at 7 seconds.
.MON...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
1 foot at 2 seconds and S 1 foot at 7 seconds.
.MON NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
1 foot at 3 seconds and S 1 foot at 7 seconds.
.TUE...E winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft
in the afternoon. Wave Detail: E 1 foot at 2 seconds and S 1 foot
at 7 seconds.
.TUE NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
1 foot or less, then around 2 ft after midnight. Wave Detail: E
1 foot at 2 seconds and S 1 foot at 6 seconds, becoming SE 2 ft
at 5 seconds.
.WED AND WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt.
Seas around 2 ft.
.THU...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.THU NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 3 ft. A chance of showers.

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.

$$

ANZ235-160600-
Rhode Island Sound-
106 PM EDT Sun Jun 15 2025

.THIS AFTERNOON...E winds around 10 kt. Seas 2 to 3 ft. Wave
Detail: E 2 ft at 5 seconds and S 2 ft at 8 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 7 seconds.
.MON...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 6 seconds and S 2 ft at 7 seconds.
.MON NIGHT...E winds around 10 kt. Seas 2 to 3 ft. Wave Detail:
SE 3 ft at 7 seconds.
.TUE...E winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds.
.TUE NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds.
.WED THROUGH THU...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft.
.THU NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of showers.

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.

$$

ANZ237-160600-
Block Island Sound-
106 PM EDT Sun Jun 15 2025

.THIS AFTERNOON...E winds around 10 kt. Seas 2 to 3 ft. Wave
Detail: SE 3 ft at 7 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 7 seconds.
.MON...E winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds.
.MON NIGHT...E winds around 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds and S 1 foot at 7 seconds.
.TUE...E winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds.
.TUE NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. A chance of showers
after midnight.
.WED AND WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.THU...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of showers.
.THU NIGHT...W winds around 15 kt with gusts up to 25 kt. Seas
3 to 4 ft. A chance of showers.

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.

$$

ANZ230-160600-
Boston Harbor-
106 PM EDT Sun Jun 15 2025

.THIS AFTERNOON...E winds around 10 kt. Waves 1 foot or less.
.TONIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Waves 1 foot or less. Patchy fog after midnight with
vsby 1 to 3 NM.
.MON...E winds 5 to 10 kt. Waves 1 foot or less, then around 2 ft
in the afternoon.
.MON NIGHT...SE winds 5 to 10 kt. Waves around 2 ft in the
evening, then 1 foot or less.
.TUE...E winds 5 to 10 kt. Waves 1 foot or less, then around 2 ft
in the afternoon.
.TUE NIGHT...SE winds 5 to 10 kt. Waves around 2 ft in the
evening, then 1 foot or less.
.WED AND WED NIGHT...SW winds 10 to 15 kt. Waves around 2 ft.
.THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft. A chance of showers.

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.

$$

ANZ236-160600-
Narragansett Bay-
106 PM EDT Sun Jun 15 2025

.THIS AFTERNOON...E winds 5 to 10 kt. Waves around 2 ft.
.TONIGHT...E winds 5 to 10 kt. Waves around 2 ft.
.MON...E winds 5 to 10 kt, becoming SE in the afternoon. Waves
around 2 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves around 2 ft.
.TUE...E winds 5 to 10 kt. Waves around 2 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves around 2 ft.
.WED AND WED NIGHT...SW winds 5 to 10 kt. Waves around 2 ft.
.THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft. A chance of showers.

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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