738
FZUS51 KBOX 191405
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1005 AM EDT Sun May 19 2024

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

ANZ200-200300-
1005 AM EDT Sun May 19 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
Slow moving low pres will continue to bring cloudy, showery weather
with northeast breezes today. High pres over coastal Maine then
settles over the waters on Mon and continues thru Wed. A cold front
brings the risk for showers and thunderstorms on Thurs. High pres
then builds in for Fri into early Memorial Day Weekend.

$$

ANZ250-200300-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1005 AM EDT Sun May 19 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...NE winds around 15 kt with gusts up to 20 kt.
Seas 5 to 6 ft. Wave Detail: E 5 ft at 8 seconds. Periods of
drizzle. A chance of showers, then a slight chance of showers.
Vsby 1 NM or less.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave
Detail: E 5 ft at 8 seconds. Periods of drizzle in the evening.
.MON...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
3 to 5 ft. Wave Detail: E 4 ft at 8 seconds.
.MON NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 8 seconds.
.TUE AND TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds and SW 3 ft at
4 seconds.
.WED THROUGH THU...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E 3 ft at
8 seconds.
.THU NIGHT...SW 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.

$$

ANZ251-200300-
Massachusetts Bay and Ipswich Bay-
1005 AM EDT Sun May 19 2024

.THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 5 ft. Wave Detail: E 5 ft at 8 seconds and NE 1 foot at
3 seconds. Periods of drizzle. A chance of showers, then a slight
chance of showers. Vsby 1 NM or less, increasing to 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave
Detail: E 5 ft at 8 seconds and NE 1 foot at 3 seconds. Periods
of drizzle in the evening.
.MON...NE winds around 5 kt, becoming E in the afternoon. Seas
2 to 4 ft. Wave Detail: E 4 ft at 8 seconds.
.MON NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: E
4 ft at 8 seconds.
.TUE AND TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and S 2 ft at
4 seconds.
.WED THROUGH THU...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and SW 2 ft at
3 seconds.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ231-200300-
Cape Cod Bay-
1005 AM EDT Sun May 19 2024

.THIS AFTERNOON...NE winds around 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: E 3 ft at 7 seconds and N 2 ft at
3 seconds. Periods of drizzle with a chance of showers. Vsby 1 NM
or less, increasing to 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 4 ft. Wave Detail: E 3 ft at 7 seconds and N
2 ft at 4 seconds. A chance of showers. Periods of drizzle in the
evening. Vsby 1 NM or less, increasing to 1 to 3 NM after
midnight.
.MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 8 seconds and N 1 foot at 4 seconds.
.MON NIGHT...SE winds around 5 kt, becoming SW after midnight.
Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and NE 1 foot
at 3 seconds.
.TUE AND TUE NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 8 seconds and S 1 foot at 3 seconds.
.WED THROUGH THU...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and E 2 ft at
8 seconds.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
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.

$$

ANZ254-200300-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1005 AM EDT Sun May 19 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.THIS AFTERNOON...NE winds around 15 kt with gusts up to 20 kt.
Seas 4 to 6 ft. Wave Detail: E 5 ft at 7 seconds and NE 1 foot at
3 seconds. Periods of drizzle with a chance of showers. Vsby 1 NM
or less.
.TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 4 to 6 ft. Wave Detail: E 5 ft at 7 seconds and NE
1 foot at 3 seconds. Periods of drizzle in the evening.
.MON...NE winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: E 5 ft
at 8 seconds and SE 1 foot at 11 seconds.
.MON NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
3 to 5 ft. Wave Detail: E 4 ft at 8 seconds.
.TUE AND TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds and SW 2 ft at
3 seconds.
.WED THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up to
20 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E
3 ft at 8 seconds.

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.

$$

ANZ255-200300-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1005 AM EDT Sun May 19 2024

.THIS AFTERNOON...NE winds 15 to 20 kt. Seas 3 to 5 ft. Wave
Detail: E 4 ft at 7 seconds and N 2 ft at 4 seconds. Periods of
drizzle with a slight chance of showers. Vsby 1 NM or less.
.TONIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Seas 3 to 5 ft. Wave Detail: E 4 ft at 7 seconds and N
2 ft at 4 seconds. Periods of drizzle in the evening, then a
chance of showers after midnight with vsby 1 to 3 NM.
.MON...NE winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft
at 8 seconds and NE 1 foot at 3 seconds.
.MON NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
2 to 4 ft. Wave Detail: E 4 ft at 8 seconds and NE 1 foot at
3 seconds.
.TUE AND TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 8 seconds and SW 2 ft at 3 seconds.
.WED THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up to
20 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and E
3 ft at 8 seconds.

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.

$$

ANZ256-200300-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1005 AM EDT Sun May 19 2024

.THIS AFTERNOON...NE winds around 15 kt with gusts up to 20 kt.
Seas 3 to 4 ft. Wave Detail: E 4 ft at 8 seconds and N 2 ft at
4 seconds. Periods of drizzle.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: E 4 ft at 7 seconds and N 2 ft at 4 seconds.
Periods of drizzle in the evening.
.MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 8 seconds and N 2 ft at 3 seconds.
.MON NIGHT...SE winds 5 to 10 kt, becoming SW after midnight.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and NE 1 foot at
3 seconds.
.TUE AND TUE NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 8 seconds and SW 2 ft at 4 seconds.
.WED THROUGH THU...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and E 3 ft at
8 seconds.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ232-200300-
Nantucket Sound-
1005 AM EDT Sun May 19 2024

.THIS AFTERNOON...NE winds around 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: NE 2 ft at 4 seconds and E 2 ft at
8 seconds. Periods of drizzle with a chance of showers. Vsby 1 NM
or less, increasing to 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 4 ft. Wave Detail: E 3 ft at 7 seconds and NE
2 ft at 4 seconds. A chance of showers. Periods of drizzle in the
evening. Vsby 1 NM or less, increasing to 1 to 3 NM after
midnight.
.MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 8 seconds and NE 1 foot at 3 seconds.
.MON NIGHT...E winds 5 to 10 kt, becoming SW after midnight. Seas
2 to 3 ft. Wave Detail: E 2 ft at 8 seconds and NE 1 foot at
3 seconds.
.TUE AND TUE NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Wave
Detail: SW 2 ft at 3 seconds and E 2 ft at 8 seconds.
.WED THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up to
20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E
2 ft at 8 seconds.

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.

$$

ANZ233-200300-
Vineyard Sound-
1005 AM EDT Sun May 19 2024

.THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 25 kt.
Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds and E 1 foot
at 7 seconds. Periods of drizzle with a slight chance of showers.
Vsby 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds and E
1 foot at 7 seconds. Periods of drizzle in the evening.
.MON...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N
1 foot at 3 seconds and E 1 foot at 8 seconds.
.MON NIGHT...SE winds around 5 kt, becoming SW after midnight.
Seas 1 foot or less. Wave Detail: NE 1 foot at 2 seconds and SE
1 foot at 4 seconds.
.TUE AND TUE NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.
Wave Detail: SW 1 foot at 2 seconds and SW 1 foot at 6 seconds.
.WED THROUGH THU...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot
at 8 seconds.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ234-200300-
Buzzards Bay-
1005 AM EDT Sun May 19 2024

.THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds and E 2 ft at
7 seconds. Periods of drizzle with a slight chance of showers.
Vsby 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds and E
2 ft at 7 seconds. Periods of drizzle in the evening.
.MON...NE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: N
1 foot at 3 seconds and E 1 foot at 8 seconds.
.MON NIGHT...SE winds around 5 kt, becoming SW after midnight.
Seas 1 foot or less. Wave Detail: E 1 foot at 3 seconds and E
1 foot at 8 seconds.
.TUE AND TUE NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.
Wave Detail: SW 1 foot at 2 seconds and SW 1 foot at 6 seconds.
.WED THROUGH THU...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot
at 8 seconds.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
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.

$$

ANZ235-200300-
Rhode Island Sound-
1005 AM EDT Sun May 19 2024

.THIS AFTERNOON...NE winds around 15 kt with gusts up to 25 kt.
Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at
7 seconds. Periods of drizzle with a slight chance of showers.
.TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE
2 ft at 7 seconds. Periods of drizzle in the evening.
.MON...NE winds around 10 kt, becoming E in the afternoon. Seas
around 2 ft. Wave Detail: N 2 ft at 3 seconds and SE 2 ft at
7 seconds.
.MON NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 8 seconds and SE 1 foot at
2 seconds.
.TUE AND TUE NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Wave
Detail: SW 2 ft at 4 seconds and E 2 ft at 8 seconds.
.WED THROUGH THU...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 2 ft at
8 seconds.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ237-200300-
Block Island Sound-
1005 AM EDT Sun May 19 2024

.THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and NE 2 ft at
3 seconds. Periods of drizzle.
.TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and NE
2 ft at 4 seconds. Periods of drizzle in the evening.
.MON...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft. Wave Detail: E 2 ft at 8 seconds and NE 1 foot at
3 seconds.
.MON NIGHT...S winds around 5 kt. Seas around 2 ft. Wave Detail:
E 2 ft at 8 seconds and NE 1 foot at 3 seconds.
.TUE AND TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 9 seconds and SW 1 foot at 6 seconds.
.WED THROUGH THU...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at
9 seconds.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ230-200300-
Boston Harbor-
1005 AM EDT Sun May 19 2024

.THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft. Periods of drizzle with a chance of showers.
Vsby 1 to 3 NM.
.TONIGHT...NE winds 5 to 10 kt. Waves 2 to 3 ft in the evening,
then 1 foot or less. Periods of drizzle in the evening.
.MON...E winds 5 to 10 kt. Waves 1 foot or less.
.MON NIGHT...SE winds 5 to 10 kt, becoming SW after midnight.
Waves 1 foot or less.
.TUE AND TUE NIGHT...SW winds 10 to 15 kt. Waves around 2 ft.
.WED THROUGH THU...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft. A chance of.
.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.

$$

ANZ236-200300-
Narragansett Bay-
1005 AM EDT Sun May 19 2024

.THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft. Periods of drizzle.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming
N 5 to 10 kt after midnight. Waves around 2 ft. Periods of
drizzle in the evening.
.MON...NE winds 5 to 10 kt, becoming E in the afternoon. Waves
1 foot or less.
.MON NIGHT...S winds 5 to 10 kt. Waves around 2 ft.
.TUE AND TUE NIGHT...SW winds 5 to 10 kt. Waves around 2 ft.
.WED THROUGH THU...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft.
.THU NIGHT...SW winds 10 to 15 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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