Coastal Waters Forecast
Issued by NWS Boston, MA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
280
FZUS51 KBOX 280204
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1003 PM EDT Tue Oct 27 2026

Coastal waters from the Merrimack River MA to Watch Hill RI out
to 60 NM

ANZ200-281500-
1003 PM EDT Tue Oct 27 2026

.Synopsis for Massachusetts and Rhode Island coastal waters...
Large high pres will be anchored across our waters tonight and Wed.
This high shifts east of the waters by Thu followed by a cold front
crossing the waters Fri afternoon/evening. Another high pres system
follows for the weekend.

$$

ANZ250-281500-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1003 PM EDT Tue Oct 27 2026

.OVERNIGHT...N winds around 5 kt. Seas 2 to 3 ft. Wave Detail: NE
2 ft at 6 seconds and SE 2 ft at 10 seconds.
.WED...E winds around 5 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: N 2 ft at 5 seconds and SE 2 ft at
9 seconds.
.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 3 seconds and SE 2 ft at
9 seconds.
.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 AND FRI...W 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 1 foot at
8 seconds.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and N 1 foot at
7 seconds.
.SAT THROUGH SUN 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.

$$

ANZ251-281500-
Massachusetts Bay and Ipswich Bay-
1003 PM EDT Tue Oct 27 2026

.OVERNIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
N 2 ft at 5 seconds and E 1 foot at 9 seconds.
.WED...N winds around 5 kt, becoming S around 5 kt in the
afternoon. Seas around 2 ft. Wave Detail: N 2 ft at 5 seconds and
E 2 ft at 10 seconds.
.WED NIGHT...SW winds 5 to 10 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.
.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 1 foot at
4 seconds.
.THU 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
8 seconds.
.FRI AND FRI NIGHT...NW winds 10 to 15 kt. Seas around 2 ft. Wave
Detail: SW 2 ft at 3 seconds and SE 1 foot at 4 seconds.
.SAT THROUGH SUN NIGHT...SW winds 10 to 15 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.

$$

ANZ231-281500-
Cape Cod Bay-
1003 PM EDT Tue Oct 27 2026

.OVERNIGHT...N winds around 5 kt. Seas around 2 ft. Wave Detail:
N 2 ft at 5 seconds and SE 1 foot at 9 seconds.
.WED...W winds around 5 kt, becoming S in the afternoon. Seas
around 2 ft. Wave Detail: N 1 foot at 5 seconds and SE 1 foot at
10 seconds.
.WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds
and NE 1 foot at 4 seconds.
.THU...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: SW
1 foot at 2 seconds and NE 1 foot at 4 seconds.
.THU NIGHT AND FRI...W 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 E 1 foot at
5 seconds.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: NW 2 ft at 3 seconds and SE 1 foot at
8 seconds.
.SAT THROUGH SUN 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.

$$

ANZ254-281500-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 NM-
1003 PM EDT Tue Oct 27 2026

.OVERNIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NE
3 ft at 6 seconds and SE 2 ft at 10 seconds.
.WED...E winds around 5 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: N 2 ft at 6 seconds and SE 2 ft at
9 seconds.
.WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and
W 1 foot at 5 seconds.
.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 AND FRI...W 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
7 seconds.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and NE 1 foot at
8 seconds.
.SAT THROUGH SUN 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.

$$

ANZ255-281500-
Coastal Waters extending out to 25 NM South of Marthas Vineyard
and Nantucket-
1003 PM EDT Tue Oct 27 2026

.OVERNIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE
2 ft at 6 seconds and SE 2 ft at 10 seconds.
.WED...E winds around 5 kt, becoming SE in the afternoon. Seas
2 to 3 ft. Wave Detail: N 2 ft at 7 seconds and SE 2 ft at
9 seconds.
.WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 8 seconds and SW 1 foot at 3 seconds.
.THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds
and SE 2 ft at 8 seconds.
.THU NIGHT AND FRI...W winds 15 to 20 kt. Seas 2 to 4 ft. Wave
Detail: SW 4 ft at 5 seconds and E 1 foot at 6 seconds.
.FRI NIGHT...NW winds around 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: W 3 ft at 5 seconds and N 2 ft at
6 seconds.
.SAT THROUGH SUN 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.

$$

ANZ256-281500-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 NM South of Block Island-
1003 PM EDT Tue Oct 27 2026

.OVERNIGHT...E winds around 5 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 10 seconds and NW 1 foot at 4 seconds.
.WED...E winds around 5 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and NW 1 foot at
4 seconds.
.WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 8 seconds and W 1 foot at 2 seconds.
.THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds
and SE 2 ft at 8 seconds.
.THU NIGHT AND FRI...W winds 15 to 20 kt. Seas 2 to 4 ft. Wave
Detail: SW 4 ft at 5 seconds and SE 2 ft at 8 seconds.
.FRI NIGHT...NW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: N
3 ft at 5 seconds and SE 1 foot at 7 seconds.
.SAT THROUGH SUN 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.

$$

ANZ232-281500-
Nantucket Sound-
1003 PM EDT Tue Oct 27 2026

.OVERNIGHT...NE winds around 5 kt. Seas around 2 ft. Wave Detail:
NW 1 foot at 4 seconds and NE 1 foot at 5 seconds.
.WED...E winds around 5 kt, becoming S in the afternoon. Seas
around 2 ft. Wave Detail: NW 1 foot at 4 seconds and NE 1 foot at
6 seconds.
.WED NIGHT...SW 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 NE 1 foot at 5 seconds.
.THU...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 NE 1 foot at 5 seconds.
.THU NIGHT AND FRI...W winds 15 to 20 kt. Seas 2 to 3 ft. Wave
Detail: SW 3 ft at 4 seconds and E 1 foot at 5 seconds.
.FRI NIGHT...NW winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
W 2 ft at 3 seconds and E 1 foot at 2 seconds.
.SAT THROUGH SUN NIGHT...SW winds 10 to 15 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.

$$

ANZ233-281500-
Vineyard Sound-
1003 PM EDT Tue Oct 27 2026

.OVERNIGHT...E winds around 5 kt. Seas around 2 ft. Wave Detail:
NE 1 foot at 3 seconds and W 1 foot at 4 seconds.
.WED...NE winds around 5 kt, becoming S in the afternoon. Seas
1 foot or less. Wave Detail: NW 1 foot at 4 seconds and NE 1 foot
at 5 seconds.
.WED NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: SW 1 foot at 2 seconds and SE 1 foot at 8 seconds.
.THU...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, then around
2 ft in the afternoon. Wave Detail: SW 1 foot at 3 seconds and E
1 foot at 6 seconds, becoming SW 2 ft at 3 seconds and NE 1 foot
at 5 seconds.
.THU NIGHT AND FRI...W winds 15 to 20 kt. Seas 2 to 3 ft. Wave
Detail: SW 3 ft at 5 seconds and E 1 foot at 5 seconds.
.FRI NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: W 2 ft at 5 seconds and
SE 1 foot at 7 seconds.
.SAT THROUGH SUN NIGHT...SW winds 10 to 15 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.

$$

ANZ234-281500-
Buzzards Bay-
1003 PM EDT Tue Oct 27 2026

.OVERNIGHT...NE winds around 5 kt. Seas 1 foot or less. Wave
Detail: NE 1 foot at 2 seconds and W 1 foot at 4 seconds.
.WED...NE winds around 5 kt, becoming S in the afternoon. Seas
1 foot or less. Wave Detail: N 1 foot at 5 seconds and SE 1 foot
at 8 seconds.
.WED NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: SW 1 foot at 2 seconds and SE 1 foot at 8 seconds.
.THU...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: SW
2 ft at 3 seconds and E 1 foot at 4 seconds.
.THU NIGHT AND FRI...W 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
5 seconds.
.FRI NIGHT...NW winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
W 2 ft at 5 seconds and SE 1 foot at 8 seconds.
.SAT THROUGH SUN NIGHT...SW 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.

$$

ANZ235-281500-
Rhode Island Sound-
1003 PM EDT Tue Oct 27 2026

.OVERNIGHT...E winds around 5 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 10 seconds and E 1 foot at 3 seconds.
.WED...NE winds around 5 kt, becoming S in the afternoon. Seas
around 2 ft. Wave Detail: SE 2 ft at 9 seconds and E 1 foot at
4 seconds.
.WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 8 seconds and E 2 ft at 9 seconds.
.THU...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 1 foot
at 8 seconds.
.THU NIGHT AND FRI...W winds 15 to 20 kt. Seas 2 to 3 ft. Wave
Detail: SW 3 ft at 4 seconds and E 1 foot at 6 seconds.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: W 2 ft at 5 seconds and E 1 foot at
2 seconds.
.SAT THROUGH SUN NIGHT...SW winds 10 to 15 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.

$$

ANZ237-281500-
Block Island Sound-
1003 PM EDT Tue Oct 27 2026

.OVERNIGHT...E winds around 5 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 10 seconds and E 1 foot at 4 seconds.
.WED...NE winds around 5 kt, becoming S in the afternoon. Seas
around 2 ft. Wave Detail: SE 2 ft at 9 seconds and E 1 foot at
3 seconds.
.WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 9 seconds and S 1 foot at 2 seconds.
.THU...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 SE 2 ft at 8 seconds.
.THU NIGHT AND FRI...W 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 E 1 foot at
7 seconds.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: NW 2 ft at 5 seconds and SE 1 foot at
7 seconds.
.SAT THROUGH SUN NIGHT...SW 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.

$$

ANZ230-281500-
Boston Harbor-
1003 PM EDT Tue Oct 27 2026

.OVERNIGHT...NW winds 5 to 10 kt. Waves 1 foot or less.
.WED...NW winds around 5 kt, becoming S in the afternoon. Waves
1 foot or less.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less.
.THU...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves around 2 ft.
.THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft.
.FRI AND FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft.
.SAT THROUGH SUN 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.

$$

ANZ236-281500-
Narragansett Bay-
1003 PM EDT Tue Oct 27 2026

.OVERNIGHT...NE winds around 5 kt. Waves around 2 ft.
.WED...NE winds around 5 kt, becoming S in the afternoon. Waves
around 2 ft in the morning, then 1 foot or less.
.WED NIGHT...SW winds around 5 kt. Waves 1 foot or less.
.THU...SW winds 5 to 10 kt, increasing to 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.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft.
.FRI AND FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft.
.SAT THROUGH SUN NIGHT...SW winds 5 to 10 kt. Waves 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.

$$

ANZ280-281500-
Ocean Waters from the Merrimack River to Plymouth from 40 to
60 NM-
1003 PM EDT Tue Oct 27 2026

.OVERNIGHT...N winds 5 to 10 kt. Seas around 3 ft. Wave Detail: N
3 ft at 6 seconds and SE 2 ft at 10 seconds.
.WED...E winds around 5 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: N 2 ft at 5 seconds and SE 2 ft at
9 seconds.
.WED 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
8 seconds.
.THU...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at
4 seconds.
.THU NIGHT AND FRI...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Wave Detail: S 4 ft at 5 seconds and SE 1 foot at
8 seconds.
.FRI NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: N
3 ft at 6 seconds and SE 1 foot at 7 seconds.
.SAT THROUGH SUN NIGHT...SW winds 15 to 20 kt with gusts up to
25 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.

$$

ANZ281-281500-
Ocean Waters from Provincetown to Nantucket from 20 to 60 NM-
1003 PM EDT Tue Oct 27 2026

.OVERNIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NE
4 ft at 6 seconds and SE 2 ft at 10 seconds.
.WED...NE winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 4 ft. Wave Detail: N 3 ft at 6 seconds and SE 2 ft at
9 seconds.
.WED NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: W
2 ft at 3 seconds and NE 2 ft at 5 seconds.
.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 AND FRI...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at
7 seconds.
.FRI NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 2 to 3 ft. Wave Detail: N 3 ft at 6 seconds
and SE 1 foot at 8 seconds.
.SAT THROUGH SUN NIGHT...SW 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.

$$

ANZ282-281500-
Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM-
1003 PM EDT Tue Oct 27 2026

.OVERNIGHT...NE winds around 10 kt. Seas 3 to 5 ft. Wave Detail:
NE 3 ft at 7 seconds and SE 3 ft at 9 seconds.
.WED...E winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at
7 seconds and SE 2 ft at 9 seconds.
.WED NIGHT...S winds around 5 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 7 seconds and N 1 foot at 4 seconds.
.THU...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 8 seconds and SW 1 foot at 4 seconds.
.THU NIGHT AND FRI...W winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and E 2 ft at
6 seconds.
.FRI NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas around 3 ft. Wave Detail: W 3 ft at
5 seconds and NE 2 ft at 6 seconds.
.SAT THROUGH SUN NIGHT...SW 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.

$$

ANZ283-281500-
Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM-
1003 PM EDT Tue Oct 27 2026

.OVERNIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE
3 ft at 10 seconds and N 2 ft at 5 seconds.
.WED...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds and W 2 ft at 5 seconds.
.WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
2 ft at 7 seconds and N 1 foot at 2 seconds.
.THU...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 3 seconds and SE 2 ft at 8 seconds.
.THU NIGHT AND FRI...W winds 15 to 20 kt. Seas 2 to 4 ft. Wave
Detail: SW 4 ft at 5 seconds and SE 2 ft at 8 seconds.
.FRI NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas
around 3 ft. Wave Detail: N 3 ft at 5 seconds and SE 2 ft at
8 seconds.
.SAT THROUGH SUN NIGHT...SW 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.

$$

For the latest updates...please visit our webpage at
www.weather.gov/boston

You can follow us on Facebook at
www.facebook.com/us.nationalweatherservice.boston.gov

You can follow us on Twitter at
@NWSBoston