Text Products for CWF Issued by BOX

Coastal Waters Forecast
Issued by NWS Boston, MA
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 160802
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
402 AM EDT Tue Apr 16 2024

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

ANZ200-162100-
402 AM EDT Tue Apr 16 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres builds over the waters today and Wed. A warm front lifts
toward the southern waters on Thu, while high pres remains planted
over the eastern waters. The high nudges back in for much of Fri
before a cold front approaches from the west late Fri through Sat.

$$

ANZ250-162100-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
402 AM EDT Tue Apr 16 2024

.TODAY...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds and W 1 ft at 3 seconds.
.TONIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and W 1 ft at
3 seconds.
.WED...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 9 seconds and NW 1 ft at 3 seconds.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 8 seconds and SE 1 ft at 3 seconds.
.THU AND THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 9 seconds and SE 1 ft at 4 seconds.
.FRI...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: E 3 ft at 7 seconds.
.FRI NIGHT AND SAT...S winds 10 to 15 kt, becoming SW. Gusts up
to 20 kt. Seas 2 to 4 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ251-162100-
Massachusetts Bay and Ipswich Bay-
402 AM EDT Tue Apr 16 2024

.TODAY...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
2 ft at 9 seconds and W 1 ft at 2 seconds.
.TONIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
2 ft at 9 seconds and NW 1 ft at 2 seconds.
.WED...N winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft. Wave Detail: E 2 ft at 9 seconds and N 1 ft at
3 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 3 seconds and E 2 ft at 7 seconds.
.THU AND THU NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 6 seconds and SE 1 ft at 3 seconds.
.FRI...SE winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: E 2 ft at 7 seconds.
.FRI NIGHT AND SAT...S winds 10 to 15 kt, becoming SW. Gusts up
to 20 kt. Seas 2 to 3 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ231-162100-
Cape Cod Bay-
402 AM EDT Tue Apr 16 2024

.TODAY...NW winds 5 to 10 kt, becoming W this afternoon. Seas
around 2 ft. Wave Detail: SE 2 ft at 9 seconds and NW 1 ft at
2 seconds.
.TONIGHT...W winds around 5 kt, becoming N after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 9 seconds and NW 1 ft at
3 seconds.
.WED...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
around 2 ft. Wave Detail: N 1 ft at 3 seconds and E 1 ft at
8 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: SE 1 ft at 3 seconds
and E 1 ft at 6 seconds, becoming E 1 ft at 4 seconds.
.THU AND THU NIGHT...E winds 5 to 10 kt. Seas 1 foot or less.
Wave Detail: E 1 ft at 4 seconds.
.FRI...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 ft
at 3 seconds.
.FRI NIGHT AND SAT...S winds 10 to 15 kt, becoming SW. Gusts up
to 20 kt. Seas around 2 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ254-162100-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
402 AM EDT Tue Apr 16 2024

.TODAY...W winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft
at 9 seconds and W 1 ft at 3 seconds.
.TONIGHT...SW winds 5 to 10 kt, becoming N after midnight. Seas
3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds and W 2 ft at
6 seconds.
.WED...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds and W 2 ft at 6 seconds.
.WED NIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 7 seconds.
.THU AND THU NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 9 seconds and S 1 ft at 6 seconds.
.FRI...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds.
.FRI NIGHT THROUGH SAT NIGHT...W winds 10 to 15 kt with gusts up
to 20 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.

$$

ANZ255-162100-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
402 AM EDT Tue Apr 16 2024

.TODAY...NW winds 5 to 10 kt, becoming W with gusts up to 20 kt
this afternoon. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds.
.TONIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas
2 to 4 ft. Wave Detail: S 4 ft at 8 seconds.
.WED...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and SE 3 ft at
8 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
S 2 ft at 7 seconds and SE 2 ft at 8 seconds.
.THU AND THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds.
.FRI...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds and S 2 ft at 8 seconds.
.FRI NIGHT AND SAT...SE winds 10 to 15 kt, becoming SW. Gusts up
to 20 kt. Seas 2 to 4 ft. A chance of showers.
.SAT NIGHT...W winds around 15 kt with gusts up to 20 kt. Seas
3 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.

$$

ANZ256-162100-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
402 AM EDT Tue Apr 16 2024

.TODAY...NW winds around 10 kt, becoming W this afternoon. Seas
around 4 ft. Wave Detail: S 4 ft at 8 seconds.
.TONIGHT...W winds around 10 kt, becoming N after midnight. Seas
3 to 4 ft. Wave Detail: S 4 ft at 8 seconds.
.WED...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SE 3 ft at
8 seconds.
.WED NIGHT...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:
SE 3 ft at 8 seconds and S 2 ft at 7 seconds. Scattered showers
after midnight.
.THU AND THU NIGHT...E winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Wave Detail: SE 4 ft at 7 seconds.
.FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft
at 8 seconds and S 1 ft at 7 seconds.
.FRI NIGHT AND SAT...S winds 10 to 15 kt, becoming SW. Gusts up
to 20 kt. Seas 3 to 4 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 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.

$$

ANZ232-162100-
Nantucket Sound-
402 AM EDT Tue Apr 16 2024

.TODAY...NW winds 5 to 10 kt, becoming SW this afternoon. Seas
around 2 ft. Wave Detail: SE 2 ft at 9 seconds and W 1 ft at
4 seconds.
.TONIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas
around 2 ft. Wave Detail: SW 1 ft at 6 seconds and SE 1 ft at
9 seconds.
.WED...N winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft. Wave Detail: SW 1 ft at 6 seconds and NE 1 ft at
8 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: SE 1 ft at 6 seconds.
.THU AND THU NIGHT...E winds 10 to 15 kt. Seas 1 foot or less.
Wave Detail: SE 1 ft at 6 seconds.
.FRI...E winds around 10 kt. Seas 1 foot or less. Wave Detail: SE
1 ft at 6 seconds.
.FRI NIGHT AND SAT...S winds 10 to 15 kt, becoming SW. Gusts up
to 20 kt. Seas around 2 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ233-162100-
Vineyard Sound-
402 AM EDT Tue Apr 16 2024

.TODAY...NW winds 5 to 10 kt, becoming SW with gusts up to 20 kt
this afternoon. Seas around 2 ft. Wave Detail: S 2 ft at
7 seconds.
.TONIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas
around 2 ft. Wave Detail: S 2 ft at 7 seconds.
.WED...N winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft. Wave Detail: SW 2 ft at 7 seconds and E 2 ft at
8 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: SE 1 ft at 4 seconds
and SE 1 ft at 7 seconds.
.THU AND THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: SE 2 ft at 5 seconds.
.FRI...E winds around 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 5 seconds.
.FRI NIGHT AND SAT...S winds 10 to 15 kt, becoming SW. Gusts up
to 20 kt. Seas around 2 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ234-162100-
Buzzards Bay-
402 AM EDT Tue Apr 16 2024

.TODAY...W winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: S 2 ft at 9 seconds and SW 1 ft at 7 seconds.
.TONIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas
around 2 ft. Wave Detail: S 2 ft at 7 seconds.
.WED...N winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft. Wave Detail: E 1 ft at 7 seconds and SW 1 ft at
7 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: SE 1 ft at 4 seconds
and SE 1 ft at 7 seconds, becoming SE 1 ft at 3 seconds and SE
1 ft at 7 seconds.
.THU AND THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: SE 1 ft at 5 seconds.
.FRI...SE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SE
1 ft at 5 seconds.
.FRI NIGHT AND SAT...S winds around 10 kt, becoming SW with gusts
up to 20 kt. Seas around 2 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ235-162100-
Rhode Island Sound-
402 AM EDT Tue Apr 16 2024

.TODAY...NW winds 5 to 10 kt, becoming SW with gusts up to 20 kt
this afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds.
.TONIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas
2 to 3 ft. Wave Detail: S 3 ft at 8 seconds.
.WED...NE winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 2 ft at
7 seconds.
.WED NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 5 seconds and SE 2 ft at 8 seconds. Scattered showers
after midnight.
.THU AND THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds.
.FRI...E winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds.
.FRI NIGHT AND SAT...S winds 10 to 15 kt, becoming SW. Gusts up
to 20 kt. Seas 2 to 3 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ237-162100-
Block Island Sound-
402 AM EDT Tue Apr 16 2024

.TODAY...W winds 5 to 10 kt. Gusts up to 20 kt this afternoon.
Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds.
.TONIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas
2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and SW 2 ft at
8 seconds.
.WED...NE winds 5 to 10 kt, becoming S in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 7 seconds and SE 2 ft at
8 seconds.
.WED NIGHT...SE winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and
SE 2 ft at 8 seconds. Scattered showers.
.THU AND THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds. Scattered
showers in the morning. Scattered showers in the evening.
.FRI...E winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 7 seconds.
.FRI NIGHT AND SAT...S winds around 10 kt, becoming W with gusts
up to 20 kt. Seas 2 to 3 ft. A chance of showers.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ230-162100-
Boston Harbor-
402 AM EDT Tue Apr 16 2024

.TODAY...NW winds 5 to 10 kt. Gusts up to 20 kt this afternoon.
Waves around 2 ft.
.TONIGHT...NW winds 5 to 10 kt. Waves around 2 ft in the evening,
then 1 foot or less.
.WED...N winds around 5 kt, becoming E in the afternoon. Waves
1 foot or less, then around 2 ft in the afternoon.
.WED NIGHT...SE winds 5 to 10 kt. Waves around 2 ft in the
evening, then 1 foot or less.
.THU AND THU NIGHT...E winds 5 to 10 kt. Waves around 2 ft.
.FRI...SE winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft.
.FRI NIGHT AND SAT...S winds around 10 kt, becoming W. Gusts up
to 20 kt. Waves around 2 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves
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.

$$

ANZ236-162100-
Narragansett Bay-
402 AM EDT Tue Apr 16 2024

.TODAY...NW winds 5 to 10 kt. Gusts up to 20 kt this afternoon.
Waves around 2 ft.
.TONIGHT...NW winds 5 to 10 kt, becoming N after midnight. Waves
around 2 ft.
.WED...N winds 5 to 10 kt, becoming S in the afternoon. Waves
around 2 ft.
.WED NIGHT...SE winds 5 to 10 kt. Waves around 2 ft. Scattered
showers after midnight.
.THU AND THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft.
.FRI...SE winds 5 to 10 kt. Waves 2 to 3 ft.
.FRI NIGHT AND SAT...S winds around 10 kt, becoming W with gusts
up to 20 kt. Waves 2 to 3 ft. A chance of showers.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves
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.

$$

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
National Weather Service National Headquarters
