164
FZUS51 KBOX 051705
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
104 PM EDT Thu Jun 5 2025

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

ANZ200-060600-
104 PM EDT Thu Jun 5 2025

.Synopsis for Massachusetts and Rhode Island coastal waters...
A cold front arrives and moves through Fri into Sat with a chance
for showers and storms. Clearing Sun as low pres exits east over the
waters. Weak high pres in place Mon with next chance for precip
arriving by Tues.

$$

ANZ250-060600-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
104 PM EDT Thu Jun 5 2025

.THIS AFTERNOON...S winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 8 seconds and SW 1 foot at 3 seconds.
.TONIGHT...SW winds around 10 kt, becoming W after midnight. Seas
2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at
7 seconds. Patchy fog after midnight with vsby 1 NM or less.
.FRI...N winds around 5 kt, becoming E in the afternoon. Seas
2 to 3 ft. Wave Detail: E 2 ft at 8 seconds and W 1 foot at
3 seconds.
.FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
2 ft at 8 seconds and NW 1 foot at 2 seconds. A chance of
showers.
.SAT...S winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 3 seconds and E 2 ft at 8 seconds. A chance of showers.
.SAT NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
2 to 4 ft. Wave Detail: SE 4 ft at 9 seconds and E 2 ft at
8 seconds. A chance of showers.
.SUN THROUGH MON NIGHT...SE winds 5 to 10 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.

$$

ANZ251-060600-
Massachusetts Bay and Ipswich Bay-
104 PM EDT Thu Jun 5 2025

.THIS AFTERNOON...S winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds. A slight
chance of showers with isolated tstms.
.TONIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas
around 2 ft. Wave Detail: E 2 ft at 8 seconds and S 1 foot at
3 seconds. Patchy fog after midnight with vsby 1 to 3 NM.
.FRI...N winds around 5 kt, becoming E in the afternoon. Seas
around 2 ft. Wave Detail: SE 2 ft at 7 seconds and W 1 foot at
3 seconds. A chance of showers and tstms in the afternoon. Some
tstms may produce heavy rainfall in the afternoon.
.FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
2 ft at 8 seconds and SE 1 foot at 15 seconds. A chance of
showers.
.SAT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft
at 8 seconds and S 1 foot at 3 seconds. A chance of showers.
.SAT NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at
2 seconds. A chance of showers.
.SUN THROUGH MON NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 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.

$$

ANZ231-060600-
Cape Cod Bay-
104 PM EDT Thu Jun 5 2025

.THIS AFTERNOON...S winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: SW 1 foot at 2 seconds and SE 1 foot at 7 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail:
SW 1 foot at 2 seconds and SE 1 foot at 7 seconds. Patchy fog
after midnight with vsby 1 to 3 NM.
.FRI...NW winds around 5 kt, becoming E in the afternoon. Seas
1 foot or less. Wave Detail: W 1 foot at 2 seconds and S 1 foot
at 7 seconds. Patchy fog in the morning with vsby 1 to 3 NM.
.FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft in the evening,
then 1 foot or less. Wave Detail: SW 1 foot at 2 seconds and SE
1 foot at 7 seconds, becoming SW 1 foot at 2 seconds and SE
1 foot at 6 seconds.
.SAT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S
1 foot at 2 seconds and SE 1 foot at 5 seconds. A chance of
showers.
.SAT NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 6 seconds and SW 1 foot at
3 seconds. A chance of showers.
.SUN THROUGH MON NIGHT...SE 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.

$$

ANZ254-060600-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
104 PM EDT Thu Jun 5 2025

.THIS AFTERNOON...SW winds 5 to 10 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and E 2 ft at
8 seconds.
.TONIGHT...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.
Patchy fog. Vsby 1 to 3 NM.
.FRI...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at
4 seconds and SE 2 ft at 7 seconds.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW
2 ft at 4 seconds and SE 2 ft at 7 seconds. Patchy fog in the
evening with vsby 1 to 3 NM.
.SAT...S winds around 10 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft
at 8 seconds and E 2 ft at 8 seconds. A chance of showers.
.SAT NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
3 to 5 ft. Wave Detail: S 5 ft at 9 seconds and E 2 ft at
8 seconds. A chance of showers.
.SUN THROUGH MON NIGHT...SE winds 5 to 10 kt. Seas 3 to 5 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.

$$

ANZ255-060600-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
104 PM EDT Thu Jun 5 2025

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

$$

ANZ256-060600-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
104 PM EDT Thu Jun 5 2025

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

$$

ANZ232-060600-
Nantucket Sound-
104 PM EDT Thu Jun 5 2025

.THIS AFTERNOON...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 SE 1 foot
at 7 seconds.
.TONIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 3 seconds and SE 1 foot at 7 seconds. Patchy fog after
midnight with vsby 1 to 3 NM.
.FRI...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W
1 foot at 4 seconds and S 1 foot at 7 seconds.
.FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 1 foot at 4 seconds and SE 1 foot at 7 seconds. Patchy fog in
the evening.
.SAT...S winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 5 seconds and E 1 foot at 8 seconds. A chance of showers.
.SAT NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. Wave Detail: S 2 ft at 9 seconds and SW 1 foot at
4 seconds. A chance of showers.
.SUN THROUGH MON NIGHT...SE 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.

$$

ANZ233-060600-
Vineyard Sound-
104 PM EDT Thu Jun 5 2025

.THIS AFTERNOON...SW winds around 10 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds.
.TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds.
Patchy fog after midnight with vsby 1 to 3 NM.
.FRI...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 5 seconds and S 1 foot at 8 seconds.
.FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 5 seconds and S 1 foot at 8 seconds. Patchy fog in the
evening.
.SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at
8 seconds and SW 1 foot at 5 seconds. A chance of showers.
.SAT NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and SW 1 foot at
4 seconds. A chance of showers.
.SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...E winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.MON AND MON NIGHT...E winds 10 to 15 kt, becoming SE 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.

$$

ANZ234-060600-
Buzzards Bay-
104 PM EDT Thu Jun 5 2025

.THIS AFTERNOON...SW winds around 10 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds.
.TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S
2 ft at 6 seconds. Patchy fog after midnight with vsby 1 to 3 NM.
.FRI...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 7 seconds and SE 1 foot at 15 seconds.
.FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: S 2 ft at 6 seconds
and E 1 foot at 8 seconds, becoming S 1 foot at 6 seconds and E
1 foot at 8 seconds. Patchy fog in the evening.
.SAT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft
at 6 seconds and E 1 foot at 8 seconds. A chance of showers.
.SAT NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft. Wave Detail: S 2 ft at 8 seconds and SW 1 foot at
3 seconds. A chance of showers.
.SUN...NE winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...E winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.MON AND MON NIGHT...SE 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.

$$

ANZ235-060600-
Rhode Island Sound-
104 PM EDT Thu Jun 5 2025

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

$$

ANZ237-060600-
Block Island Sound-
104 PM EDT Thu Jun 5 2025

.THIS AFTERNOON...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 S 2 ft at
7 seconds.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave
Detail: SW 2 ft at 4 seconds and S 2 ft at 7 seconds. Patchy fog
after midnight with vsby 1 to 3 NM.
.FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 7 seconds and SW 1 foot at 4 seconds.
.FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 7 seconds and SW 1 foot at 4 seconds. Patchy fog in the
evening with vsby 1 to 3 NM.
.SAT...S winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at
8 seconds and SW 1 foot at 4 seconds. A chance of showers.
.SAT NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and E 1 foot at
8 seconds. A chance of showers.
.SUN...E winds 5 to 10 kt. Seas 2 to 4 ft.
.SUN NIGHT AND MON...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance
of showers.
.MON NIGHT...SE 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.

$$

ANZ230-060600-
Boston Harbor-
104 PM EDT Thu Jun 5 2025

.THIS AFTERNOON...SE winds 5 to 10 kt. Waves 1 foot or less. A
slight chance of showers with isolated tstms.
.TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Waves
1 foot or less. Patchy fog after midnight with vsby 1 to 3 NM.
.FRI...NE winds around 5 kt. Waves 1 foot or less. A chance of
showers and tstms in the afternoon. Some tstms may produce heavy
rainfall in the afternoon.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. A chance
of showers.
.SAT...S winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers in the morning, then showers likely in the afternoon.
.SAT NIGHT...S winds 5 to 10 kt, becoming W after midnight. Waves
1 foot or less. A chance of showers.
.SUN AND SUN NIGHT...NE winds 5 to 10 kt, becoming E. Waves
1 foot or less. A chance of showers.
.MON AND MON NIGHT...E 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.

$$

ANZ236-060600-
Narragansett Bay-
104 PM EDT Thu Jun 5 2025

.THIS AFTERNOON...SW winds 5 to 10 kt. Waves around 2 ft. A
slight chance of showers with isolated tstms.
.TONIGHT...SW winds 5 to 10 kt. Waves around 2 ft. Patchy fog
after midnight with vsby 1 to 3 NM.
.FRI...S winds 5 to 10 kt. Waves around 2 ft.
.FRI NIGHT...S winds 5 to 10 kt. Waves around 2 ft.
.SAT...S winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers.
.SAT NIGHT...SW winds around 5 kt, becoming NW after midnight.
Waves 2 to 3 ft. A chance of showers.
.SUN...NE winds 5 to 10 kt. Waves 2 to 3 ft.
.SUN NIGHT...E winds 5 to 10 kt. Waves 2 to 3 ft. A chance of
showers.
.MON AND MON NIGHT...SE winds 5 to 10 kt. Waves 2 to 3 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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