Coastal Waters Forecast
Issued by NWS Boston, MA

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797
FZUS51 KBOX 020204
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1004 PM EDT Mon Jul 1 2024

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

ANZ200-021500-
1004 PM EDT Mon Jul 1 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
An upper disturbance slides through the region today. This could
bring some spotty showers and thunderstorms to the waters this
afternoon. This will be followed by a high pres Tue and Wed. High
pres moves farther offshore Thu, permitting a cold front to approach.

$$

ANZ250-021500-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1004 PM EDT Mon Jul 1 2024

.OVERNIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N
2 ft at 4 seconds and SE 2 ft at 7 seconds.
.TUE...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at
8 seconds.
.TUE NIGHT...SW winds around 5 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 8 seconds and NE 1 foot at 4 seconds.
.WED...SW winds around 5 kt, becoming S in the afternoon. Seas
around 2 ft. Wave Detail: E 2 ft at 7 seconds and S 1 foot at
2 seconds.
.WED NIGHT THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 4 ft. Wave Detail: S 2 ft at 3 seconds and E
2 ft at 8 seconds.
.FRI AND FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 2 ft at 8 seconds and SE 2 ft at 12 seconds.
.SAT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers.
.SAT NIGHT...S winds 10 to 15 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.

$$

ANZ251-021500-
Massachusetts Bay and Ipswich Bay-
1004 PM EDT Mon Jul 1 2024

.OVERNIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N
2 ft at 4 seconds and SE 1 foot at 7 seconds.
.TUE...N winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft. Wave Detail: NE 2 ft at 4 seconds and SE 1 foot at
8 seconds.
.TUE NIGHT...SW winds around 5 kt. Seas 1 foot or less. Wave
Detail: NE 1 foot at 4 seconds and SE 1 foot at 8 seconds.
.WED...SW winds around 5 kt, becoming S 10 to 15 kt in the
afternoon. Seas 1 foot or less, then around 2 ft in the
afternoon. Wave Detail: E 1 foot at 8 seconds and SE 1 foot at
8 seconds, becoming E 2 ft at 8 seconds and S 1 foot at
3 seconds.
.WED NIGHT THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and
SE 2 ft at 7 seconds.
.FRI...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft
at 9 seconds and SW 1 foot at 3 seconds.
.FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.SAT AND SAT NIGHT...S winds 10 to 15 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.

$$

ANZ231-021500-
Cape Cod Bay-
1004 PM EDT Mon Jul 1 2024

.OVERNIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N
2 ft at 4 seconds and SE 2 ft at 7 seconds.
.TUE...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N 2 ft
at 4 seconds and SE 1 foot at 8 seconds.
.TUE NIGHT...SW winds around 5 kt. Seas 1 foot or less. Wave
Detail: N 1 foot at 4 seconds and SE 1 foot at 8 seconds.
.WED...SW winds around 5 kt, becoming S in the afternoon. Seas
1 foot or less. Wave Detail: N 1 foot at 4 seconds and SE 1 foot
at 8 seconds.
.WED NIGHT THROUGH THU 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 7 seconds.
.FRI AND FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft, then
1 foot or less. Wave Detail: SW 1 foot at 2 seconds and E 1 foot
at 8 seconds, becoming S 1 foot at 2 seconds and E 1 foot at
8 seconds.
.SAT...S winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft. A chance of showers.
.SAT NIGHT...S winds around 10 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.

$$

ANZ254-021500-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1004 PM EDT Mon Jul 1 2024

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

$$

ANZ255-021500-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1004 PM EDT Mon Jul 1 2024

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

$$

ANZ256-021500-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1004 PM EDT Mon Jul 1 2024

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

$$

ANZ232-021500-
Nantucket Sound-
1004 PM EDT Mon Jul 1 2024

.OVERNIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S
2 ft at 7 seconds and N 1 foot at 4 seconds.
.TUE...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE
1 foot at 3 seconds and W 1 foot at 5 seconds.
.TUE NIGHT...NE winds around 5 kt, becoming W around 5 kt after
midnight. Seas around 2 ft in the evening, then 1 foot or less.
Wave Detail: N 1 foot at 3 seconds and SE 1 foot at 7 seconds,
becoming E 1 foot at 5 seconds and SE 1 foot at 8 seconds.
.WED...W winds around 5 kt, becoming SW in the afternoon. Seas
1 foot or less. Wave Detail: E 1 foot at 5 seconds and SE 1 foot
at 8 seconds.
.WED NIGHT AND THU...SW winds 15 to 20 kt. Seas 2 to 3 ft. Wave
Detail: SW 3 ft at 4 seconds and SE 1 foot at 7 seconds.
.THU 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 1 foot at
8 seconds. A chance of showers after midnight.
.FRI...SW winds around 10 kt. Seas around 2 ft. A chance of
showers.
.FRI NIGHT...S winds around 10 kt. Seas around 2 ft.
.SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. A chance of showers.
.SAT 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.

$$

ANZ233-021500-
Vineyard Sound-
1004 PM EDT Mon Jul 1 2024

.OVERNIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 6 seconds and NE 1 foot at 3 seconds.
.TUE...NE winds around 10 kt, becoming E in the afternoon. Seas
around 2 ft. Wave Detail: SW 2 ft at 6 seconds and N 1 foot at
3 seconds.
.TUE NIGHT...SE winds around 5 kt, becoming W after midnight.
Seas 1 foot or less. Wave Detail: NE 1 foot at 2 seconds and S
1 foot at 7 seconds.
.WED...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW
1 foot at 2 seconds and SE 1 foot at 6 seconds.
.WED NIGHT AND THU...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 SE 1 foot
at 7 seconds.
.THU NIGHT...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 E
1 foot at 8 seconds. A chance of showers after midnight.
.FRI THROUGH SAT...S winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. A chance of showers.
.SAT 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.

$$

ANZ234-021500-
Buzzards Bay-
1004 PM EDT Mon Jul 1 2024

.OVERNIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 6 seconds and NE 1 foot at 3 seconds.
.TUE...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft in the morning, then 1 foot or less. Wave Detail: SW
2 ft at 7 seconds and N 1 foot at 2 seconds, becoming NE 1 foot
at 2 seconds and S 1 foot at 7 seconds.
.TUE NIGHT...SE winds around 5 kt, becoming W after midnight.
Seas 1 foot or less. Wave Detail: NE 1 foot at 2 seconds and S
1 foot at 6 seconds.
.WED...W winds around 5 kt, becoming SW in the afternoon. Seas
1 foot or less. Wave Detail: SW 1 foot at 2 seconds and E 1 foot
at 6 seconds.
.WED NIGHT AND THU...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot
at 7 seconds.
.THU NIGHT...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 E 1 foot at 8 seconds. A chance
of showers after midnight.
.FRI THROUGH SAT...S winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. A chance of showers.
.SAT 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.

$$

ANZ235-021500-
Rhode Island Sound-
1004 PM EDT Mon Jul 1 2024

.OVERNIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S
3 ft at 7 seconds and N 1 foot at 3 seconds.
.TUE...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 7 seconds and N 1 foot at
4 seconds.
.TUE NIGHT...S winds around 5 kt, becoming W after midnight. Seas
around 2 ft in the evening, then 1 foot or less. Wave Detail: S
2 ft at 7 seconds and NE 1 foot at 3 seconds, becoming NE 1 foot
at 3 seconds and S 1 foot at 6 seconds.
.WED...SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft
in the afternoon. Wave Detail: SE 1 foot at 6 seconds, becoming
SE 2 ft at 7 seconds and SW 1 foot at 3 seconds.
.WED NIGHT AND THU...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 SE 2 ft at
8 seconds.
.THU NIGHT...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 SE
2 ft at 12 seconds. A chance of showers after midnight.
.FRI AND FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A
chance of showers.
.SAT AND SAT 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.

$$

ANZ237-021500-
Block Island Sound-
1004 PM EDT Mon Jul 1 2024

.OVERNIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
S 2 ft at 7 seconds and NW 1 foot at 2 seconds.
.TUE...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft. Wave Detail: SE 2 ft at 7 seconds and W 1 foot at
2 seconds.
.TUE NIGHT...S winds around 5 kt, becoming W around 5 kt after
midnight. Seas around 2 ft in the evening, then 1 foot or less.
Wave Detail: SE 2 ft at 8 seconds and E 1 foot at 3 seconds,
becoming E 1 foot at 4 seconds and SE 1 foot at 7 seconds.
.WED...SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft
in the afternoon. Wave Detail: E 1 foot at 4 seconds and SE
1 foot at 8 seconds, becoming SE 2 ft at 7 seconds and SW 1 foot
at 2 seconds.
.WED NIGHT AND THU...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at
8 seconds.
.THU NIGHT...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 5 seconds and SE 2 ft at 8 seconds. A chance
of showers after midnight.
.FRI AND FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A
chance of showers.
.SAT AND SAT NIGHT...S winds 10 to 15 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.

$$

ANZ230-021500-
Boston Harbor-
1004 PM EDT Mon Jul 1 2024

.OVERNIGHT...NW winds 5 to 10 kt. Waves 1 foot or less.
.TUE...NE winds 5 to 10 kt, becoming E in the afternoon. Waves
1 foot or less.
.TUE NIGHT...S winds around 5 kt, becoming SW after midnight.
Waves 1 foot or less.
.WED...SW winds around 5 kt, becoming S in the afternoon. Waves
1 foot or less, then around 2 ft in the afternoon.
.WED NIGHT THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Waves around 2 ft.
.FRI...S winds 5 to 10 kt. Waves 1 foot or less.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. A chance
of showers.
.SAT AND SAT NIGHT...S winds 10 to 15 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.

$$

ANZ236-021500-
Narragansett Bay-
1004 PM EDT Mon Jul 1 2024

.OVERNIGHT...N winds 5 to 10 kt. Waves around 2 ft.
.TUE...N winds 5 to 10 kt, becoming E in the afternoon. Waves
around 2 ft.
.TUE NIGHT...S winds around 5 kt, becoming W around 5 kt after
midnight. Waves 1 foot or less.
.WED...SW winds 5 to 10 kt. Waves 1 foot or less.
.WED NIGHT AND 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,
diminishing to 5 to 10 kt after midnight. Waves 2 to 3 ft. A
chance of showers after midnight.
.FRI AND FRI NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. A
chance of showers.
.SAT AND SAT NIGHT...S 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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