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
496
FZUS51 KBOX 251404
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1003 AM EDT Sat Jul 25 2026

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

ANZ200-260300-
1003 AM EDT Sat Jul 25 2026

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres across the waters this weekend bringing more pleasant
boating weather to the region through the weekend with light winds
and seas less than 3 ft. Increasing chance for rough seas early next
week as low pressure approaches from the west.

$$

ANZ250-260300-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1003 AM EDT Sat Jul 25 2026

.THIS AFTERNOON...E winds around 5 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 7 seconds.
.TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S
3 ft at 8 seconds and SE 2 ft at 7 seconds.
.SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds and SW 2 ft at 9 seconds.
.SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds and S 1 foot at 7 seconds.
.MON...N winds around 5 kt, becoming E in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and SE 1 foot at
12 seconds.
.MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds.
.TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.TUE NIGHT AND WED...SE winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Showers likely with a chance of tstms.
.WED NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers.

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.

$$

ANZ251-260300-
Massachusetts Bay and Ipswich Bay-
1003 AM EDT Sat Jul 25 2026

.THIS AFTERNOON...SE winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 8 seconds.
.TONIGHT...E winds 5 to 10 kt, becoming NE after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 7 seconds.
.SUN...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft
at 7 seconds and SE 2 ft at 16 seconds.
.SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
E 2 ft at 7 seconds and S 1 foot at 8 seconds.
.MON...N winds around 5 kt, becoming E in the afternoon. Seas
around 2 ft. Wave Detail: SE 2 ft at 7 seconds.
.MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 7 seconds.
.TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.TUE NIGHT AND WED...SE winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Showers likely.
.WED NIGHT...NE 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.

$$

ANZ231-260300-
Cape Cod Bay-
1003 AM EDT Sat Jul 25 2026

.THIS AFTERNOON...E winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: E 1 foot at 6 seconds.
.TONIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail:
E 1 foot at 2 seconds and SE 1 foot at 7 seconds.
.SUN...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE
1 foot at 2 seconds and S 1 foot at 12 seconds.
.SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
N 1 foot at 3 seconds.
.MON...NE winds around 5 kt. Seas around 2 ft. Wave Detail: SW
1 foot at 3 seconds and NE 1 foot at 4 seconds.
.MON NIGHT...S winds around 5 kt. Seas around 2 ft. Wave Detail:
SE 1 foot at 3 seconds.
.TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.TUE NIGHT AND WED...SE winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 3 ft. Showers likely with a chance of tstms.
.WED NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas
around 2 ft. A chance of showers.

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.

$$

ANZ254-260300-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 NM-
1003 AM EDT Sat Jul 25 2026

.THIS AFTERNOON...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: SE 3 ft at 7 seconds.
.TONIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds.
.SUN...NE winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: E 3 ft
at 8 seconds and S 2 ft at 8 seconds.
.SUN NIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
3 ft at 7 seconds and S 2 ft at 7 seconds.
.MON...NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft
at 7 seconds and SE 1 foot at 12 seconds.
.MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds and NE 1 foot at 11 seconds.
.TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.TUE NIGHT AND WED...SE winds 10 to 15 kt, increasing to 15 to
20 kt. Gusts up to 25 kt. Seas 3 to 4 ft. Showers likely with a
chance of tstms.
.WED NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of showers.

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.

$$

ANZ255-260300-
Coastal Waters extending out to 25 NM South of Marthas Vineyard
and Nantucket-
1003 AM EDT Sat Jul 25 2026

.THIS AFTERNOON...NE winds 10 to 15 kt. Gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds.
.TONIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: E 3 ft at 7 seconds and SE 2 ft at 8 seconds.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail:
NE 3 ft at 6 seconds and S 2 ft at 7 seconds.
.MON...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds and SW 2 ft at
7 seconds.
.MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 7 seconds.
.TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.TUE NIGHT AND WED...SE winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 5 ft. Showers likely with a chance of tstms.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of showers.

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.

$$

ANZ256-260300-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 NM South of Block Island-
1003 AM EDT Sat Jul 25 2026

.THIS AFTERNOON...NE winds 10 to 15 kt. Gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: S 3 ft at 7 seconds.
.TONIGHT...NE winds 10 to 15 kt. Seas around 3 ft. Wave Detail:
SE 3 ft at 7 seconds.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: E 3 ft at 7 seconds and SW 2 ft at 7 seconds.
.SUN NIGHT...NE winds 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Seas 3 to 4 ft. Wave Detail: NE 3 ft at 7 seconds and S
2 ft at 7 seconds.
.MON AND MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 7 seconds and S 2 ft at 8 seconds.
.TUE...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: SE 4 ft at 6 seconds. A chance of showers.
.TUE NIGHT AND WED...SE winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 5 ft. Showers likely with a chance of tstms.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 5 ft. A chance of showers.

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.

$$

ANZ232-260300-
Nantucket Sound-
1003 AM EDT Sat Jul 25 2026

.THIS AFTERNOON...E winds around 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 4 seconds and S 1 foot at 7 seconds.
.TONIGHT...NE winds around 10 kt. Seas around 2 ft. Wave Detail:
E 2 ft at 4 seconds and S 1 foot at 7 seconds.
.SUN...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
8 seconds.
.SUN NIGHT...NE winds around 10 kt. Seas 2 to 3 ft. Wave Detail:
NE 2 ft at 5 seconds and S 1 foot at 7 seconds.
.MON...N winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft. Wave Detail: NE 2 ft at 5 seconds and SW 1 foot at
7 seconds.
.MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S
1 foot at 6 seconds and E 1 foot at 7 seconds.
.TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.TUE NIGHT AND WED...SE winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 3 ft. Showers likely with a chance of tstms.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers.

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.

$$

ANZ233-260300-
Vineyard Sound-
1003 AM EDT Sat Jul 25 2026

.THIS AFTERNOON...E winds around 10 kt. Seas around 2 ft. Wave
Detail: NE 1 foot at 2 seconds and S 1 foot at 6 seconds.
.TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
1 foot at 3 seconds and S 1 foot at 8 seconds.
.SUN...NE winds around 10 kt. Seas around 2 ft. Wave Detail: NE
1 foot at 3 seconds and S 1 foot at 7 seconds.
.SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
NE 1 foot at 3 seconds and S 1 foot at 8 seconds.
.MON AND MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 7 seconds and W 1 foot at 7 seconds.
.TUE...S 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 10 seconds.
A chance of showers.
.TUE NIGHT AND WED...SE winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Showers likely with a chance of tstms.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers.

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.

$$

ANZ234-260300-
Buzzards Bay-
1003 AM EDT Sat Jul 25 2026

.THIS AFTERNOON...E winds 5 to 10 kt. Seas 1 foot or less, then
around 2 ft. Wave Detail: E 1 foot at 2 seconds and S 1 foot at
6 seconds, becoming E 1 foot at 2 seconds and S 1 foot at
7 seconds.
.TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E
1 foot at 2 seconds and S 1 foot at 7 seconds.
.SUN...NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NE
1 foot at 2 seconds and S 1 foot at 8 seconds.
.SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
NE 1 foot at 3 seconds and S 1 foot at 7 seconds.
.MON AND MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 9 seconds and SW 1 foot at 6 seconds.
.TUE...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 9 seconds and S 2 ft at 3 seconds.
A chance of showers.
.TUE NIGHT AND WED...SE winds 10 to 15 kt, increasing to 15 to
20 kt. Gusts up to 25 kt. Seas 2 to 3 ft. Showers likely with a
chance of tstms.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers.

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.

$$

ANZ235-260300-
Rhode Island Sound-
1003 AM EDT Sat Jul 25 2026

.THIS AFTERNOON...E winds around 10 kt. Seas 2 to 3 ft. Wave
Detail: SE 3 ft at 7 seconds.
.TONIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 7 seconds.
.SUN...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 6 seconds and S 2 ft at 8 seconds.
.SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 6 seconds and S 2 ft at 7 seconds.
.MON AND MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 2 ft at 7 seconds and S 2 ft at 7 seconds.
.TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: S 4 ft at 6 seconds. A chance of showers.
.TUE NIGHT AND WED...SE winds 15 to 20 kt. Seas 3 to 4 ft.
Showers likely with a chance of tstms.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. A chance of showers.

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.

$$

ANZ237-260300-
Block Island Sound-
1003 AM EDT Sat Jul 25 2026

.THIS AFTERNOON...E winds around 10 kt. Seas 2 to 3 ft. Wave
Detail: SE 3 ft at 7 seconds.
.TONIGHT...E winds 5 to 10 kt, becoming NE after midnight. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds.
.SUN...NE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 7 seconds and S 2 ft at 8 seconds.
.SUN NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds.
.MON AND MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: SE 2 ft at 7 seconds.
.TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: SE 3 ft at 6 seconds. A chance of showers.
.TUE NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Showers likely with a chance of tstms.
.WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Showers likely.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.

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.

$$

ANZ230-260300-
Boston Harbor-
1003 AM EDT Sat Jul 25 2026

.THIS AFTERNOON...E winds 5 to 10 kt. Waves 1 foot or less, then
around 2 ft.
.TONIGHT...E winds 5 to 10 kt, becoming NE after midnight. Waves
1 foot or less.
.SUN...NE winds 5 to 10 kt. Waves 1 foot or less.
.SUN NIGHT...NE winds 5 to 10 kt, becoming N after midnight.
Waves 1 foot or less.
.MON...N winds around 5 kt, becoming E in the afternoon. Waves
1 foot or less, then around 2 ft in the afternoon.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 foot or less.
.TUE...S winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft. A chance of showers.
.TUE NIGHT AND WED...SE winds 10 to 15 kt, becoming E. Gusts up
to 20 kt. Waves around 2 ft. Showers likely.
.WED NIGHT...NE 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.

$$

ANZ236-260300-
Narragansett Bay-
1003 AM EDT Sat Jul 25 2026

.THIS AFTERNOON...E winds 5 to 10 kt. Waves around 2 ft.
.TONIGHT...E winds 5 to 10 kt, becoming NE after midnight. Waves
around 2 ft.
.SUN...NE winds 5 to 10 kt. Waves around 2 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Waves around 2 ft.
.MON AND MON NIGHT...S winds 5 to 10 kt. Waves around 2 ft.
.TUE...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. A chance of showers.
.TUE NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Waves
2 to 3 ft. Showers likely with a chance of tstms.
.WED...SE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. Showers likely.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Waves
2 to 3 ft. A chance of showers.

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.

$$

ANZ280-260300-
Ocean Waters from the Merrimack River to Plymouth from 40 to
60 NM-
1003 AM EDT Sat Jul 25 2026

.THIS AFTERNOON...E winds around 5 kt. Seas 2 to 3 ft. Wave
Detail: S 2 ft at 7 seconds.
.TONIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 8 seconds.
.SUN...NE winds around 10 kt. Seas 3 to 4 ft. Wave Detail: SE
3 ft at 8 seconds and S 1 foot at 8 seconds.
.SUN NIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE
3 ft at 8 seconds and S 2 ft at 8 seconds.
.MON...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft
at 7 seconds and S 2 ft at 8 seconds.
.MON NIGHT...S winds around 5 kt. Seas around 3 ft. Wave Detail:
SE 3 ft at 8 seconds and S 2 ft at 7 seconds.
.TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft.
.TUE NIGHT THROUGH WED NIGHT...E winds 10 to 15 kt with gusts up
to 25 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.

$$

ANZ281-260300-
Ocean Waters from Provincetown to Nantucket from 20 to 60 NM-
1003 AM EDT Sat Jul 25 2026

.THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds.
.TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S
3 ft at 7 seconds. Patchy fog in the evening with vsby 1 to 3 NM.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Wave Detail: E 4 ft at 8 seconds and S 2 ft at 8 seconds.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail:
SE 4 ft at 7 seconds and SE 1 foot at 12 seconds.
.MON...N winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft
at 7 seconds and SE 1 foot at 11 seconds.
.MON NIGHT...E winds around 5 kt, becoming S after midnight. Seas
3 to 4 ft. Wave Detail: E 3 ft at 7 seconds and S 2 ft at
8 seconds.
.TUE...S winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 4 ft.
.TUE NIGHT AND WED...SE winds 10 to 15 kt with gusts up to 25 kt.
Seas 3 to 4 ft. A chance of showers.
.WED NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 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.

$$

ANZ282-260300-
Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM-
1003 AM EDT Sat Jul 25 2026

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

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.

$$

ANZ283-260300-
Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM-
1003 AM EDT Sat Jul 25 2026

.THIS AFTERNOON...NE winds around 15 kt with gusts up to 20 kt.
Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds.
.TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds.
.SUN...NE winds around 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 8 seconds.
.SUN NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 3 to 5 ft. Wave Detail: E 4 ft at 7 seconds and S
2 ft at 7 seconds.
.MON...N winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at
7 seconds and SW 2 ft at 7 seconds.
.MON NIGHT...S winds 5 to 10 kt. Seas around 3 ft. Wave Detail: E
3 ft at 7 seconds and S 2 ft at 8 seconds.
.TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. A chance of showers.
.TUE NIGHT AND WED...SE winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 4 ft. Showers likely with a chance of tstms.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft. A chance of showers.

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.

$$

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