920
FZUS51 KBOX 201706
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
105 PM EDT Mon May 20 2024

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

ANZ200-210600-
105 PM EDT Mon May 20 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres over coastal Maine settles over the waters Mon and
continues thru Wed. A cold front brings the risk for showers and
thunderstorms on Thurs. High pres then return to the waters for
Friday into the Memorial Day Weekend.

$$

ANZ250-210600-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
105 PM EDT Mon May 20 2024

.THIS AFTERNOON...E winds 5 to 10 kt. Seas 3 to 4 ft. Wave
Detail: E 4 ft at 8 seconds.
.TONIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 8 seconds. Patchy fog. Vsby 1 NM or less.
.TUE...S winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds and S
2 ft at 4 seconds. Patchy fog in the morning with vsby 1 NM or
less.
.TUE NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 9 seconds and S 3 ft at 4 seconds.
.WED AND WED NIGHT...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...SW winds around 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 7 seconds.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.
.FRI AND FRI NIGHT...SW winds around 10 kt, becoming W. 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.

$$

ANZ251-210600-
Massachusetts Bay and Ipswich Bay-
105 PM EDT Mon May 20 2024

.THIS AFTERNOON...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 8 seconds.
.TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds. Patchy fog. Vsby 1 NM or less.
.TUE...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 9 seconds and S 2 ft at 4 seconds. Patchy fog in the morning
with vsby 1 NM or less.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Wave Detail: E 3 ft at 9 seconds and S 2 ft at
4 seconds.
.WED AND WED NIGHT...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...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 7 seconds.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. A chance of showers and tstms.
.FRI AND FRI NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.

Winds and seas higher in and near tstms.

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.

$$

ANZ231-210600-
Cape Cod Bay-
105 PM EDT Mon May 20 2024

.THIS AFTERNOON...NE winds around 5 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 8 seconds and N 1 foot at 4 seconds.
.TONIGHT...SE winds around 5 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: E 2 ft at 8 seconds and NE 1 foot at
3 seconds. Patchy fog. Vsby 1 NM or less.
.TUE...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: E
2 ft at 9 seconds and SW 1 foot at 2 seconds. Patchy fog in the
morning with vsby 1 NM or less.
.TUE NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: E 2 ft at 9 seconds and SW 1 foot at
3 seconds. Patchy fog after midnight with vsby 1 to 3 NM.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: E 2 ft at 8 seconds and SW 1 foot at
3 seconds. Patchy fog in the morning.
.WED NIGHT...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 1 foot at
8 seconds.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. A chance of showers.
.FRI AND FRI NIGHT...W winds 5 to 10 kt. Seas 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.

$$

ANZ254-210600-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
105 PM EDT Mon May 20 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.THIS AFTERNOON...NE winds around 10 kt. Seas 3 to 5 ft. Wave
Detail: E 5 ft at 8 seconds.
.TONIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
3 to 4 ft. Wave Detail: E 4 ft at 8 seconds. Patchy fog. Vsby
1 NM or less.
.TUE...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 9 seconds and SW 1 foot at 4 seconds. Patchy fog in the
morning with vsby 1 NM or less.
.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
4 seconds. Patchy fog after midnight with vsby 1 to 3 NM.
.WED AND WED 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.
.THU THROUGH FRI NIGHT...W 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
2 ft at 7 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.

$$

ANZ255-210600-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
105 PM EDT Mon May 20 2024

.THIS AFTERNOON...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.
.TONIGHT...E winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas 2 to 4 ft. Wave Detail: E 4 ft at 8 seconds and NE
1 foot at 3 seconds. Patchy fog. Vsby 1 NM or less.
.TUE...SW winds around 5 kt, increasing to 5 to 10 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: E 3 ft
at 8 seconds and SE 1 foot at 10 seconds. Patchy fog in the
morning with vsby 1 NM or less.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 3 ft at
9 seconds. Patchy fog after midnight with vsby 1 to 3 NM.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 3 ft at 4 seconds and E 3 ft at 8 seconds.
Patchy fog in the morning with vsby 1 to 3 NM.
.WED NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail:
SW 3 ft at 5 seconds and E 2 ft at 8 seconds.
.THU THROUGH FRI NIGHT...W winds 15 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.

$$

ANZ256-210600-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
105 PM EDT Mon May 20 2024

.THIS AFTERNOON...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 8 seconds and N 1 foot at 3 seconds.
.TONIGHT...SE winds around 5 kt, becoming SW around 5 kt after
midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and N
1 foot at 3 seconds. Patchy fog. Vsby 1 NM or less.
.TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 8 seconds and SW 1 foot at 6 seconds. Patchy fog in the
morning with vsby 1 NM or less.
.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 SW 2 ft at
3 seconds. Patchy fog after midnight with vsby 1 to 3 NM.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 3 ft at 4 seconds and E 3 ft at 9 seconds.
Patchy fog in the morning with vsby 1 NM or less.
.WED NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at
8 seconds.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. A chance of showers.
.FRI AND FRI 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.

$$

ANZ232-210600-
Nantucket Sound-
105 PM EDT Mon May 20 2024

.THIS AFTERNOON...NE winds around 10 kt. Seas 2 to 3 ft. Wave
Detail: E 2 ft at 8 seconds and NE 1 foot at 3 seconds.
.TONIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Wave Detail: E 2 ft at 8 seconds and NE 1 foot at
3 seconds. Patchy fog. Vsby 1 NM or less.
.TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SW
2 ft at 3 seconds and E 2 ft at 8 seconds. Patchy fog in the
morning with vsby 1 NM or less.
.TUE NIGHT...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
9 seconds. Patchy fog after midnight with vsby 1 to 3 NM.
.WED...SW winds around 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 8 seconds.
Patchy fog in the morning with vsby 1 to 3 NM.
.WED NIGHT...SW winds around 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 THROUGH FRI NIGHT...W winds 15 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.

$$

ANZ233-210600-
Vineyard Sound-
105 PM EDT Mon May 20 2024

.THIS AFTERNOON...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.
.TONIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas
1 foot or less. Wave Detail: NE 1 foot at 2 seconds and E 1 foot
at 8 seconds. Patchy fog. Vsby 1 NM or less.
.TUE...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 1 foot or less, then around 2 ft in the afternoon. Wave
Detail: SW 1 foot at 2 seconds and SW 1 foot at 6 seconds,
becoming SW 1 foot at 4 seconds and E 1 foot at 9 seconds. Patchy
fog in the morning with vsby 1 NM or less.
.TUE NIGHT...SW winds around 10 kt with gusts up to 20 kt. Seas
around 2 ft in the evening, then 1 foot or less. Wave Detail: SW
2 ft at 3 seconds and E 1 foot at 9 seconds, becoming SW 1 foot
at 4 seconds and E 1 foot at 9 seconds. Patchy fog after
midnight.
.WED...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. Patchy fog in the morning with vsby 1 to 3 NM.
.WED NIGHT...SW winds around 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...SW winds around 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. A chance of showers.
.FRI AND FRI NIGHT...W 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.

$$

ANZ234-210600-
Buzzards Bay-
105 PM EDT Mon May 20 2024

.THIS AFTERNOON...NE winds around 10 kt. Seas 1 foot or less.
Wave Detail: N 1 foot at 3 seconds and E 1 foot at 8 seconds.
.TONIGHT...SE winds around 5 kt, becoming SW after midnight. Seas
1 foot or less. Wave Detail: NE 1 foot at 2 seconds and E 1 foot
at 8 seconds. Patchy fog. Vsby 1 NM or less.
.TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 1 foot or less. Wave Detail:
SW 1 foot at 2 seconds and SW 1 foot at 5 seconds. Patchy fog in
the morning with vsby 1 NM or less.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
1 foot or less, then around 2 ft after midnight. Wave Detail: SW
1 foot at 3 seconds and E 1 foot at 9 seconds, becoming SW 2 ft
at 4 seconds and E 2 ft at 9 seconds. Patchy fog after midnight.
.WED...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. Patchy fog in the morning with vsby 1 to 3 NM.
.WED NIGHT...SW winds around 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...SW winds around 15 kt with gusts up to 20 kt. Seas around
2 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. A chance of showers.
.FRI AND FRI NIGHT...W winds 5 to 10 kt. Seas around 2 ft, then
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.

$$

ANZ235-210600-
Rhode Island Sound-
105 PM EDT Mon May 20 2024

.THIS AFTERNOON...E winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 8 seconds and N 1 foot at 3 seconds.
.TONIGHT...SE winds around 5 kt, becoming SW after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 8 seconds and NE 1 foot at
3 seconds. Patchy fog. Vsby 1 NM or less.
.TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SW
2 ft at 5 seconds and SE 2 ft at 9 seconds. Patchy fog in the
morning with vsby 1 NM or less.
.TUE NIGHT...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
9 seconds. Patchy fog after midnight with vsby 1 to 3 NM.
.WED...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 2 ft at 8 seconds.
Patchy fog in the morning with vsby 1 to 3 NM.
.WED NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at
8 seconds.
.THU...SW winds around 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers.
.FRI AND FRI NIGHT...SW winds around 10 kt, becoming W. 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.

$$

ANZ237-210600-
Block Island Sound-
105 PM EDT Mon May 20 2024

.THIS AFTERNOON...E winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 8 seconds and NE 1 foot at 3 seconds.
.TONIGHT...S winds around 5 kt. Seas around 2 ft. Wave Detail: E
2 ft at 8 seconds and NE 1 foot at 3 seconds. Patchy fog. Vsby
1 NM or less.
.TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SW
2 ft at 3 seconds and E 2 ft at 8 seconds. Patchy fog in the
morning with vsby 1 NM or less.
.TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and
E 2 ft at 9 seconds. Patchy fog after midnight with vsby 1 to
3 NM.
.WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at
9 seconds. Patchy fog in the morning with vsby 1 to 3 NM.
.WED 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.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers and tstms.
.FRI...W winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
.FRI NIGHT...NW winds 5 to 10 kt. Seas around 2 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ230-210600-
Boston Harbor-
105 PM EDT Mon May 20 2024

.THIS AFTERNOON...E winds 5 to 10 kt. Waves 1 foot or less.
.TONIGHT...SE winds 5 to 10 kt, becoming S after midnight. Waves
1 foot or less. Patchy fog after midnight with vsby 1 to 3 NM.
.TUE...S winds around 5 kt, increasing to around 10 kt with gusts
up to 20 kt in the afternoon. Waves 1 foot or less. Patchy fog in
the morning with vsby 1 to 3 NM.
.TUE NIGHT...SW winds around 10 kt with gusts up to 20 kt. Waves
around 2 ft.
.WED AND WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. A chance of showers and tstms.
.FRI AND FRI NIGHT...W winds 5 to 10 kt. Waves 1 foot or less.

Winds and waves higher in and near tstms.

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.

$$

ANZ236-210600-
Narragansett Bay-
105 PM EDT Mon May 20 2024

.THIS AFTERNOON...E winds around 5 kt. Waves 1 foot or less.
.TONIGHT...S winds 5 to 10 kt. Waves 1 foot or less. Patchy fog.
Vsby 1 NM or less.
.TUE...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Waves 1 foot or less. Patchy fog in
the morning with vsby 1 NM or less.
.TUE NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves
around 2 ft. Patchy fog after midnight.
.WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Waves around 2 ft. Patchy fog in
the morning with vsby 1 to 3 NM.
.WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft.
.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 with gusts up to 20 kt. Waves
2 to 3 ft. A chance of showers and tstms.
.FRI AND FRI NIGHT...W winds 5 to 10 kt. Waves around 2 ft.

Winds and waves higher in and near tstms.

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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