Coastal Waters Forecast
Issued by NWS Boston, MA

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950
FZUS51 KBOX 152305
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 PM EDT Sat Jun 15 2024

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

ANZ200-161200-
704 PM EDT Sat Jun 15 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure builds over New England this weekend, then moves
offshore Monday. Conditions could approach small craft criteria
today before calming for the latter half of the weekend. High
pressure builds in for next week.

$$

ANZ250-161200-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
704 PM EDT Sat Jun 15 2024

.TONIGHT...NW winds 5 to 10 kt, becoming N 10 to 15 kt with gusts
up to 20 kt after midnight. Seas 2 to 4 ft. Wave Detail: SE 3 ft
at 9 seconds and N 2 ft at 4 seconds.
.SUN...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
2 to 4 ft. Wave Detail: SE 3 ft at 9 seconds and N 2 ft at
4 seconds.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW
2 ft at 3 seconds and SE 2 ft at 9 seconds.
.MON...S winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ft at 4 seconds and
SE 2 ft at 8 seconds.
.MON NIGHT THROUGH TUE NIGHT...SW winds 15 to 20 kt with gusts up
to 25 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 5 seconds and SE
2 ft at 12 seconds.
.WED THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up to
20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE
2 ft at 11 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.

$$

ANZ251-161200-
Massachusetts Bay and Ipswich Bay-
704 PM EDT Sat Jun 15 2024

.TONIGHT...NW winds 5 to 10 kt, becoming N 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and E
1 foot at 8 seconds.
.SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to
3 ft. Wave Detail: N 2 ft at 4 seconds and E 2 ft at 9 seconds.
.SUN NIGHT...S winds around 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 8 seconds and S 1 foot at 3 seconds.
.MON...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and S 2 ft at
3 seconds.
.MON NIGHT THROUGH TUE NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and E
1 foot at 12 seconds.
.WED THROUGH THU NIGHT...SW winds 10 to 15 kt. Seas around 2 ft.
Wave Detail: SE 2 ft at 4 seconds and E 1 foot at 11 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.

$$

ANZ231-161200-
Cape Cod Bay-
704 PM EDT Sat Jun 15 2024

.TONIGHT...N winds around 5 kt, increasing to 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE
2 ft at 9 seconds.
.SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft
at 4 seconds and SE 2 ft at 9 seconds.
.SUN NIGHT...S winds 5 to 10 kt. Seas around 2 ft in the evening,
then 1 foot or less. Wave Detail: SE 2 ft at 8 seconds and N
1 foot at 4 seconds, becoming S 1 foot at 2 seconds and N 1 foot
at 4 seconds.
.MON...S 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, then around
2 ft in the afternoon. Wave Detail: SW 1 foot at 2 seconds and NE
1 foot at 4 seconds, becoming S 2 ft at 3 seconds and NE 1 foot
at 4 seconds.
.MON NIGHT THROUGH TUE NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and
E 1 foot at 12 seconds.
.WED THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up to
20 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 2 seconds and
SE 1 foot at 6 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.

$$

ANZ254-161200-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
704 PM EDT Sat Jun 15 2024

.TONIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S
4 ft at 9 seconds and N 2 ft at 4 seconds.
.SUN...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft
at 9 seconds and N 2 ft at 4 seconds.
.SUN NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and N 1 foot at
4 seconds.
.MON...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: S 2 ft
at 4 seconds and SE 2 ft at 7 seconds.
.MON NIGHT THROUGH TUE NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE
2 ft at 12 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 3 ft at 4 seconds and SE
2 ft at 10 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.

$$

ANZ255-161200-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
704 PM EDT Sat Jun 15 2024

.TONIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S
4 ft at 9 seconds and W 1 foot at 4 seconds.
.SUN...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
2 to 4 ft. Wave Detail: SE 4 ft at 9 seconds and N 1 foot at
4 seconds.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 8 seconds and NE 1 foot at 3 seconds.
.MON...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: S
2 ft at 4 seconds and SE 2 ft at 7 seconds.
.MON NIGHT THROUGH TUE NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and S
2 ft at 7 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 3 ft at 5 seconds and SE
2 ft at 11 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.

$$

ANZ256-161200-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
704 PM EDT Sat Jun 15 2024

.TONIGHT...S winds around 5 kt, becoming N after midnight. Seas
3 to 4 ft. Wave Detail: S 4 ft at 9 seconds and NE 1 foot at
3 seconds.
.SUN...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds and NE 1 foot at
3 seconds.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 8 seconds and SE 1 foot at 13 seconds.
.MON...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: S 2 ft
at 4 seconds and SE 2 ft at 7 seconds.
.MON NIGHT THROUGH TUE NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and S
2 ft at 7 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 3 ft at 5 seconds and SE
2 ft at 11 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.

$$

ANZ232-161200-
Nantucket Sound-
704 PM EDT Sat Jun 15 2024

.TONIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 9 seconds and NE 1 foot at 3 seconds.
.SUN...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft. Wave Detail: SE 2 ft at 9 seconds and N 1 foot at
3 seconds.
.SUN NIGHT...S winds 5 to 10 kt. Seas around 2 ft in the evening,
then 1 foot or less. Wave Detail: NE 1 foot at 3 seconds and SE
1 foot at 8 seconds, becoming S 1 foot at 2 seconds and NE 1 foot
at 4 seconds.
.MON...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 1 foot or less, then around 2 ft in the afternoon. Wave
Detail: S 1 foot at 3 seconds and NE 1 foot at 4 seconds,
becoming S 2 ft at 3 seconds and NE 1 foot at 4 seconds.
.MON NIGHT THROUGH TUE NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and
NE 1 foot at 4 seconds.
.WED 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 SE
1 foot at 6 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.

$$

ANZ233-161200-
Vineyard Sound-
704 PM EDT Sat Jun 15 2024

.TONIGHT...SW winds around 5 kt, becoming N after midnight. Seas
around 2 ft. Wave Detail: S 2 ft at 9 seconds and NE 1 foot at
3 seconds.
.SUN...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 9 seconds and N 1 foot at
3 seconds.
.SUN NIGHT...S winds around 5 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: S 2 ft at 8 seconds
and S 1 foot at 2 seconds, becoming S 1 foot at 2 seconds and NE
1 foot at 3 seconds.
.MON...S 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, then around
2 ft in the afternoon. Wave Detail: S 1 foot at 3 seconds and NE
1 foot at 4 seconds, becoming S 2 ft at 3 seconds and NE 1 foot
at 4 seconds.
.MON NIGHT THROUGH TUE NIGHT...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 1 foot at 7 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 5 seconds and SE
1 foot at 10 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.

$$

ANZ234-161200-
Buzzards Bay-
704 PM EDT Sat Jun 15 2024

.TONIGHT...S winds around 5 kt, becoming N after midnight. Seas
around 2 ft. Wave Detail: S 2 ft at 9 seconds and NE 1 foot at
3 seconds.
.SUN...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 9 seconds and N 1 foot at
3 seconds.
.SUN NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: S 1 foot at 2 seconds and NE 1 foot at 3 seconds.
.MON...S winds 10 to 15 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 NE 1 foot at 4 seconds,
becoming S 2 ft at 3 seconds and NE 1 foot at 4 seconds.
.MON NIGHT THROUGH TUE NIGHT...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 1 foot at 7 seconds.
.WED 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 5 seconds and SE
1 foot 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.

$$

ANZ235-161200-
Rhode Island Sound-
704 PM EDT Sat Jun 15 2024

.TONIGHT...S winds around 5 kt, becoming N after midnight. Seas
2 to 3 ft. Wave Detail: S 3 ft at 9 seconds and NE 1 foot at
3 seconds.
.SUN...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and N 1 foot at
3 seconds.
.SUN NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 8 seconds and S 1 foot at 2 seconds.
.MON...S winds around 10 kt, increasing to around 15 kt with
gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave
Detail: S 2 ft at 3 seconds and SE 2 ft at 7 seconds.
.MON NIGHT THROUGH TUE NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE
2 ft at 7 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 3 ft at 4 seconds and SE
2 ft at 10 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.

$$

ANZ237-161200-
Block Island Sound-
704 PM EDT Sat Jun 15 2024

.TONIGHT...SW winds 5 to 10 kt, becoming N after midnight. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and NE 1 foot at
3 seconds.
.SUN...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and SE 1 foot at
14 seconds.
.SUN NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 8 seconds and SE 1 foot at 13 seconds.
.MON...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: S
2 ft at 3 seconds and SE 2 ft at 8 seconds.
.MON NIGHT THROUGH TUE 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
SE 2 ft at 7 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 5 seconds and SE
2 ft at 11 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.

$$

ANZ230-161200-
Boston Harbor-
704 PM EDT Sat Jun 15 2024

.TONIGHT...N winds 5 to 10 kt. Waves 1 foot or less.
.SUN...NE winds 5 to 10 kt, becoming E in the afternoon. Waves
1 foot or less.
.SUN NIGHT...S winds around 10 kt, becoming SW after midnight.
Waves 1 foot or less.
.MON...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, then around 2 ft
in the afternoon.
.MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft.
.TUE AND TUE NIGHT...SW winds 5 to 10 kt. Waves around 2 ft.
.WED THROUGH THU NIGHT...SW winds 5 to 10 kt. Waves 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.

$$

ANZ236-161200-
Narragansett Bay-
704 PM EDT Sat Jun 15 2024

.TONIGHT...W winds 5 to 10 kt, becoming N after midnight. Waves
2 to 3 ft.
.SUN...NE winds 5 to 10 kt, becoming SE in the afternoon. Waves
2 to 3 ft.
.SUN NIGHT...S winds 5 to 10 kt. Waves around 2 ft.
.MON...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Waves around 2 ft.
.MON NIGHT THROUGH TUE NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Waves around 2 ft.
.WED THROUGH THU 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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