789
FZUS51 KBOX 090504
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
104 AM EDT Thu May 9 2024

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

ANZ200-091800-
104 AM EDT Thu May 9 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
A warm front lifts toward the waters into early today. The warm
front lifts through most of the waters by late today. The trailing
cold front slides through Thu night. A few showers and thunderstorms
are possible with both fronts today. More steady widespread rain
looks possible Thursday and again on Friday. Low clouds and fog will
likely be prevalent through the weekend.

$$

ANZ250-091800-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
104 AM EDT Thu May 9 2024

.REST OF TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: S 2 ft at 6 seconds and E 2 ft at 10 seconds. Patchy fog.
Vsby 1 NM or less.
.THU...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft
at 6 seconds. Patchy fog in the morning with vsby 1 to 3 NM.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Wave Detail: NE 4 ft at 7 seconds and SE 1 foot at
6 seconds. A chance of showers.
.FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft. Wave Detail: NE 4 ft at 7 seconds and SE 1 foot at
6 seconds. A chance of showers.
.FRI NIGHT THROUGH SAT NIGHT...NE winds 10 to 15 kt with gusts up
to 20 kt. Seas 4 to 6 ft. Wave Detail: E 6 ft at 9 seconds and SE
1 foot at 7 seconds. A chance of showers.
.SUN...NE winds around 10 kt. Seas 4 to 6 ft. Wave Detail: E 6 ft
at 9 seconds and S 1 foot at 10 seconds. A chance of showers.
.SUN NIGHT...SW winds around 10 kt. Seas 3 to 5 ft. A chance of
showers.
.MON AND MON NIGHT...SW 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.

$$

ANZ251-091800-
Massachusetts Bay and Ipswich Bay-
104 AM EDT Thu May 9 2024

.REST OF TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 9 seconds and SE 1 foot at 4 seconds. Patchy
fog. Vsby 1 NM or less.
.THU...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Wave Detail: NE 2 ft at 9 seconds. Patchy fog in the
morning with vsby 1 to 3 NM.
.THU NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 2 to 4 ft. Wave Detail: NE 4 ft at 6 seconds
and SE 1 foot at 6 seconds. A chance of showers.
.FRI...NE winds 15 to 20 kt. Seas around 4 ft. Wave Detail: E
4 ft at 6 seconds. A chance of showers in the morning, then
showers likely in the afternoon.
.FRI NIGHT...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 SE 1 foot at
15 seconds. Showers likely, mainly in the evening.
.SAT AND SAT NIGHT...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 SE 1 foot at
7 seconds. A chance of showers.
.SUN AND SUN NIGHT...NE winds around 10 kt, becoming SW. Seas
3 to 5 ft. A chance of showers.
.MON AND MON NIGHT...SW winds 10 to 15 kt. 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.

$$

ANZ231-091800-
Cape Cod Bay-
104 AM EDT Thu May 9 2024

.REST OF TONIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: SW 1 foot at 2 seconds and E 1 foot at 10 seconds. Patchy
fog. Vsby 1 NM or less.
.THU...NW winds 5 to 10 kt, becoming N in the afternoon. Seas
around 2 ft. Wave Detail: NW 1 foot at 2 seconds and E 1 foot at
9 seconds. Patchy fog in the morning. A chance of showers in the
afternoon. Vsby 1 to 3 NM in the morning.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: NE 2 ft at 3 seconds and SE 1 foot at
15 seconds. A chance of showers.
.FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: NE 2 ft at 4 seconds and SE 1 foot at
15 seconds. A chance of showers.
.FRI NIGHT THROUGH SAT NIGHT...NE winds 10 to 15 kt with gusts up
to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 2 ft at 4 seconds and
SE 1 foot at 15 seconds. A chance of showers.
.SUN AND SUN NIGHT...NE winds around 10 kt, becoming SW. Seas
2 to 3 ft. Wave Detail: E 3 ft at 6 seconds and N 1 foot at
3 seconds. A chance of showers.
.MON AND MON NIGHT...SW 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.

$$

ANZ254-091800-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
104 AM EDT Thu May 9 2024

.REST OF TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: SW 3 ft at 6 seconds and E 2 ft at 10 seconds. Patchy
fog. Vsby 1 NM or less.
.THU...NW winds 5 to 10 kt, becoming N 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: W 3 ft at 6 seconds and E
2 ft at 10 seconds. Patchy fog in the morning with vsby 1 NM or
less.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Wave Detail: NE 4 ft at 7 seconds and S 2 ft at
6 seconds. A chance of showers.
.FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft. Wave Detail: NE 4 ft at 7 seconds and S 2 ft at 7 seconds.
A chance of showers.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail:
NE 4 ft at 7 seconds and S 2 ft at 8 seconds. A chance of
showers.
.SAT AND SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 5 to 7 ft. Wave Detail: E 7 ft at 9 seconds and S 2 ft at
8 seconds. A chance of showers.
.SUN AND SUN NIGHT...NE winds around 10 kt, becoming W. Seas 4 to
6 ft. A chance of showers.
.MON AND MON NIGHT...SW 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.

$$

ANZ255-091800-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
104 AM EDT Thu May 9 2024

.REST OF TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: S 3 ft at 6 seconds and E 1 foot at 10 seconds. Patchy
fog. Vsby 1 NM or less.
.THU...NW winds 5 to 10 kt, becoming NE 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and
NE 2 ft at 10 seconds. Patchy fog in the morning. A chance of
showers in the afternoon. Vsby 1 NM or less in the morning.
.THU NIGHT...NE winds around 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Wave Detail: NE 3 ft at 5 seconds and S 3 ft at
6 seconds. A chance of showers.
.FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: NE 4 ft at 5 seconds and S 2 ft at 7 seconds.
A chance of showers.
.FRI NIGHT THROUGH SAT NIGHT...NE winds 15 to 20 kt with gusts up
to 25 kt. Seas 4 to 6 ft. Wave Detail: NE 5 ft at 8 seconds and S
2 ft at 8 seconds. A chance of showers. A chance of showers after
midnight.
.SUN...NE winds around 10 kt. Seas 4 to 6 ft. Wave Detail: E 5 ft
at 9 seconds and S 2 ft at 10 seconds. A chance of showers.
.SUN NIGHT...W winds around 10 kt. Seas 3 to 5 ft.
.MON AND MON NIGHT...SW 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.

$$

ANZ256-091800-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
104 AM EDT Thu May 9 2024

.REST OF TONIGHT...W winds 5 to 10 kt. Seas around 3 ft. Wave
Detail: S 3 ft at 6 seconds and E 2 ft at 10 seconds. Patchy fog.
Vsby 1 NM or less.
.THU...NW winds 5 to 10 kt, becoming E 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and E
1 foot at 10 seconds. Patchy fog in the morning. A chance of
showers in the afternoon. Vsby 1 NM or less in the morning.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 4 ft. Wave Detail: E 3 ft at 8 seconds and S 2 ft at
6 seconds. A chance of showers.
.FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
5 ft. Wave Detail: NE 4 ft at 5 seconds and S 2 ft at 7 seconds.
A chance of showers.
.FRI NIGHT AND SAT...NE winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 6 ft. Wave Detail: NE 4 ft at 6 seconds and S 2 ft at
9 seconds. A chance of showers.
.SAT NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 3 to 5 ft. Wave Detail: NE 4 ft at 8 seconds and S
2 ft at 9 seconds. A chance of showers after midnight.
.SUN...NE winds around 10 kt. Seas 3 to 4 ft. A chance of
showers.
.SUN NIGHT THROUGH MON NIGHT...SW 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.

$$

ANZ232-091800-
Nantucket Sound-
104 AM EDT Thu May 9 2024

.REST OF TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SW 1 foot at 6 seconds and E 1 foot at 10 seconds. Patchy
fog. Vsby 1 NM or less.
.THU...NW winds 5 to 10 kt, becoming NE 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: NE 2 ft at 8 seconds
and W 1 foot at 5 seconds. Patchy fog in the morning. A chance of
showers in the afternoon. Vsby 1 to 3 NM in the morning.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: NE 2 ft at 4 seconds and S 1 foot at
6 seconds. A chance of showers.
.FRI...NE winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft
at 4 seconds and S 1 foot at 7 seconds. A chance of showers.
.FRI NIGHT THROUGH SAT NIGHT...NE winds 15 to 20 kt. Seas 2 to
4 ft. Wave Detail: NE 3 ft at 4 seconds and S 1 foot at
7 seconds. A chance of showers.
.SUN AND SUN NIGHT...NE winds around 10 kt, becoming W. Seas 2 to
3 ft. Wave Detail: E 3 ft at 8 seconds and S 1 foot at 9 seconds.
A chance of showers.
.MON AND MON NIGHT...SW 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.

$$

ANZ233-091800-
Vineyard Sound-
104 AM EDT Thu May 9 2024

.REST OF TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SW 2 ft at 6 seconds and E 1 foot at 10 seconds. Patchy
fog. Vsby 1 NM or less.
.THU...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
around 2 ft. Wave Detail: SW 2 ft at 5 seconds and E 1 foot at
10 seconds. Patchy fog in the morning. A chance of showers in the
afternoon. Vsby 1 to 3 NM in the morning.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: NE 2 ft at 3 seconds and S 1 foot at
6 seconds. A chance of showers.
.FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: NE 2 ft at 3 seconds and S 1 foot at
7 seconds. A chance of showers.
.FRI NIGHT THROUGH SAT NIGHT...NE winds 15 to 20 kt. Seas 2 to
3 ft. Wave Detail: NE 2 ft at 4 seconds and S 1 foot at
7 seconds. A chance of showers.
.SUN AND SUN NIGHT...E winds around 10 kt, becoming W. Seas
around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at
5 seconds. A chance of showers.
.MON AND MON NIGHT...SW 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.

$$

ANZ234-091800-
Buzzards Bay-
104 AM EDT Thu May 9 2024

.REST OF TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SW 1 foot at 5 seconds and E 1 foot at 10 seconds. Patchy
fog. Vsby 1 NM or less.
.THU...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
around 2 ft. Wave Detail: SW 1 foot at 5 seconds and E 1 foot at
10 seconds. Patchy fog in the morning. A chance of showers in the
afternoon.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: NE 2 ft at 3 seconds and SW 1 foot at
5 seconds. A chance of showers.
.FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: NE 2 ft at 3 seconds and S 1 foot at
7 seconds. A chance of showers.
.FRI NIGHT THROUGH SAT NIGHT...NE winds 15 to 20 kt. Seas 2 to
3 ft. Wave Detail: NE 2 ft at 3 seconds and S 1 foot at
7 seconds. A chance of showers.
.SUN AND SUN NIGHT...E winds around 10 kt, becoming SW. Seas
around 2 ft. Wave Detail: E 2 ft at 4 seconds and SW 1 foot at
8 seconds. A chance of showers.
.MON AND MON NIGHT...SW 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.

$$

ANZ235-091800-
Rhode Island Sound-
104 AM EDT Thu May 9 2024

.REST OF TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: S 3 ft at 6 seconds and E 1 foot at 10 seconds. Patchy
fog. Vsby 1 NM or less.
.THU...NW winds 5 to 10 kt, becoming E 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and
E 1 foot at 10 seconds. Patchy fog in the morning. A chance of
showers in the afternoon. Vsby 1 to 3 NM in the morning.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds and S 2 ft at
6 seconds. A chance of showers.
.FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: NE 4 ft at 5 seconds and S 1 foot at
7 seconds. A chance of showers.
.FRI NIGHT THROUGH SAT NIGHT...NE winds 15 to 20 kt. Seas 2 to
4 ft. Wave Detail: NE 4 ft at 5 seconds and S 2 ft at 9 seconds.
A chance of showers.
.SUN AND SUN NIGHT...E winds around 10 kt, becoming W. Seas 2 to
3 ft. Wave Detail: NE 3 ft at 8 seconds and S 2 ft at 9 seconds.
A chance of showers.
.MON AND MON NIGHT...SW 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.

$$

ANZ237-091800-
Block Island Sound-
104 AM EDT Thu May 9 2024

.REST OF TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: S 2 ft at 6 seconds and E 1 foot at 10 seconds. Patchy
fog. Vsby 1 NM or less.
.THU...NW winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 6 seconds and E 1 foot at
10 seconds. Patchy fog in the morning. A chance of showers in the
afternoon. Vsby 1 to 3 NM in the morning.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and E 1 foot at
14 seconds. A chance of showers.
.FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: E 3 ft at 5 seconds and S 1 foot at 7 seconds.
A chance of showers in the morning, then showers likely in the
afternoon.
.FRI NIGHT THROUGH SAT NIGHT...NE winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 4 ft. Wave Detail: E 3 ft at 5 seconds and S
2 ft at 8 seconds. A chance of showers.
.SUN AND SUN NIGHT...E winds around 10 kt, becoming W. Seas 2 to
3 ft. Wave Detail: E 3 ft at 9 seconds and S 2 ft at 9 seconds. A
chance of showers.
.MON AND MON NIGHT...SW 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.

$$

ANZ230-091800-
Boston Harbor-
104 AM EDT Thu May 9 2024

.REST OF TONIGHT...W winds 5 to 10 kt. Waves 1 foot or less.
Patchy fog. Vsby 1 NM or less.
.THU...N winds 5 to 10 kt, becoming NE in the afternoon. Waves
1 foot or less. Patchy fog in the morning.
.THU NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Waves 2 to 3 ft. A chance of showers.
.FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to
3 ft. A chance of showers in the morning, then showers likely in
the afternoon.
.FRI NIGHT...E winds 15 to 20 kt, becoming NE 10 to 15 kt after
midnight. Waves 2 to 3 ft. Showers likely, mainly in the evening.
.SAT AND SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft. A chance of showers.
.SUN THROUGH MON NIGHT...SW winds 5 to 10 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.

$$

ANZ236-091800-
Narragansett Bay-
104 AM EDT Thu May 9 2024

.REST OF TONIGHT...W winds around 5 kt. Waves around 2 ft. Patchy
fog. Vsby 1 NM or less.
.THU...NW winds 5 to 10 kt, becoming NE in the afternoon. Waves
around 2 ft. A chance of showers in the afternoon.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Waves
2 to 3 ft. A chance of showers.
.FRI...NE winds 15 to 20 kt. Waves 2 to 3 ft. A chance of
showers.
.FRI NIGHT THROUGH SAT NIGHT...N winds 10 to 15 kt with gusts up
to 20 kt. Waves 2 to 3 ft. A chance of showers.
.SUN AND SUN NIGHT...E winds around 10 kt, becoming W. Waves 2 to
3 ft. A chance of showers.
.MON AND MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 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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