Coastal Waters Forecast
Issued by NWS Boston, MA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary Off
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
475
FZUS51 KBOX 180205
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1005 PM EDT Mon Jun 17 2024

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

ANZ200-181500-
1005 PM EDT Mon Jun 17 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres remains anchored over the far eastern outer waters through
the rest of the workweek. This will maintain SSW wind gusts 20-25
knots on most waters through the workweek. Dry weather is expected
until later Fri.

$$

ANZ250-181500-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1005 PM EDT Mon Jun 17 2024

.OVERNIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at
12 seconds.
.TUE...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
12 seconds.
.TUE NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds
and SE 1 foot at 11 seconds.
.WED...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 1 foot at
11 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 3 ft at 4 seconds and SW
2 ft at 4 seconds.
.FRI...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 4 seconds and SE 2 ft at 9 seconds. A chance of showers.
.FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.SAT...E winds 5 to 10 kt. Seas around 2 ft.
.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.

$$

ANZ251-181500-
Massachusetts Bay and Ipswich Bay-
1005 PM EDT Mon Jun 17 2024

.OVERNIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds and SW 1 foot at
3 seconds.
.TUE...S 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 E 1 foot
at 12 seconds.
.TUE 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 E 1 foot at
11 seconds.
.WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 foot
at 11 seconds.
.WED NIGHT THROUGH THU NIGHT...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 S
2 ft at 4 seconds.
.FRI THROUGH SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft.
Wave Detail: NE 1 foot at 2 seconds and W 1 foot at 2 seconds. 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.

$$

ANZ231-181500-
Cape Cod Bay-
1005 PM EDT Mon Jun 17 2024

.OVERNIGHT...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.
.TUE...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 SE 1 foot at
12 seconds.
.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 SE 1 foot at
11 seconds.
.WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: SW 1 foot at 4 seconds and SE
1 foot at 11 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
S 2 ft at 4 seconds.
.FRI AND FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft, then
1 foot or less. Wave Detail: NE 1 foot at 2 seconds and SW 1 foot
at 4 seconds, becoming NE 1 foot at 3 seconds and SW 1 foot at
3 seconds. A chance of showers.
.SAT...E winds 5 to 10 kt. Seas 1 foot or less.
.SAT NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. 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.

$$

ANZ254-181500-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1005 PM EDT Mon Jun 17 2024

.OVERNIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at
12 seconds.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at
12 seconds.
.TUE 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
11 seconds.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: S 2 ft at 4 seconds and W 2 ft at 4 seconds.
.WED NIGHT THROUGH THU NIGHT...SW winds 15 to 20 kt with gusts up
to 25 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and W
2 ft at 4 seconds.
.FRI THROUGH SAT NIGHT...S 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 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.

$$

ANZ255-181500-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1005 PM EDT Mon Jun 17 2024

.OVERNIGHT...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.
.TUE...SW winds around 15 kt with gusts up to 20 kt. Seas around
3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
12 seconds.
.TUE 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 6 seconds and SE
1 foot at 11 seconds.
.WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and S 1 foot at
6 seconds.
.WED NIGHT THROUGH THU NIGHT...SW winds 15 to 20 kt. Seas 2 to
4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 2 ft at
10 seconds.
.FRI THROUGH SAT NIGHT...S 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 SE
2 ft 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.

$$

ANZ256-181500-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1005 PM EDT Mon Jun 17 2024

.OVERNIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 3 ft. Wave Detail: S 3 ft at 6 seconds and SW 1 foot at
3 seconds.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at
12 seconds.
.TUE 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 11 seconds.
.WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at
10 seconds.
.WED NIGHT THROUGH THU NIGHT...SW winds 15 to 20 kt. Seas 2 to
4 ft. Wave Detail: SW 3 ft at 4 seconds and SW 2 ft at 4 seconds.
.FRI THROUGH SAT NIGHT...S winds 10 to 15 kt with gusts up to
20 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft 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.

$$

ANZ232-181500-
Nantucket Sound-
1005 PM EDT Mon Jun 17 2024

.OVERNIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at
7 seconds.
.TUE...SW winds around 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at
12 seconds.
.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 SE 1 foot at
11 seconds.
.WED...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 S 1 foot at
4 seconds.
.WED NIGHT THROUGH THU NIGHT...SW winds 15 to 20 kt with gusts up
to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and S
2 ft at 4 seconds.
.FRI THROUGH SAT NIGHT...S 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.

$$

ANZ233-181500-
Vineyard Sound-
1005 PM EDT Mon Jun 17 2024

.OVERNIGHT...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.
.TUE...SW winds around 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
12 seconds.
.TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and
SE 1 foot at 11 seconds.
.WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot
at 10 seconds.
.WED 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 SE 1 foot at
10 seconds.
.THU AND THU NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot
at 9 seconds.
.FRI THROUGH SAT...SW winds 10 to 15 kt. Seas around 2 ft.
.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.

$$

ANZ234-181500-
Buzzards Bay-
1005 PM EDT Mon Jun 17 2024

.OVERNIGHT...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.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at
12 seconds.
.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 5 seconds and SE 1 foot at
11 seconds.
.WED...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 S 2 ft at 4 seconds.
.WED 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 SW 2 ft at
4 seconds.
.THU AND THU NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot
at 9 seconds.
.FRI AND FRI NIGHT...SW winds 10 to 15 kt, diminishing to 5 to
10 kt. Seas around 2 ft. A chance of showers.
.SAT...SW winds 5 to 10 kt. Seas around 2 ft.
.SAT NIGHT...S winds 5 to 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.

$$

ANZ235-181500-
Rhode Island Sound-
1005 PM EDT Mon Jun 17 2024

.OVERNIGHT...SW winds around 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.
.TUE...SW winds around 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
12 seconds.
.TUE 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
1 foot at 11 seconds.
.WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and S 1 foot
at 10 seconds.
.WED NIGHT THROUGH THU NIGHT...SW winds 15 to 20 kt with gusts up
to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and
SE 2 ft at 10 seconds.
.FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft
at 5 seconds and SE 2 ft at 9 seconds.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers.
.SAT...SW winds around 10 kt. Seas around 2 ft.
.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.

$$

ANZ237-181500-
Block Island Sound-
1005 PM EDT Mon Jun 17 2024

.OVERNIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at
7 seconds.
.TUE...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 and W 1 foot at 3 seconds.
.TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and
SE 1 foot at 11 seconds.
.WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and S 1 foot
at 10 seconds.
.WED NIGHT THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and S
2 ft at 4 seconds.
.FRI THROUGH SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: SW 2 ft at 4 seconds and SE 2 ft at 9 seconds.
.SAT NIGHT...S winds 5 to 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.

$$

ANZ230-181500-
Boston Harbor-
1005 PM EDT Mon Jun 17 2024

.OVERNIGHT...SW winds 10 to 15 kt. Waves around 2 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 foot or less, then around
2 ft in the afternoon.
.TUE NIGHT...SW winds 10 to 15 kt. Waves around 2 ft.
.WED...SW winds 10 to 15 kt. Waves 1 foot or less, then around
2 ft in the afternoon.
.WED NIGHT THROUGH THU NIGHT...W winds 10 to 15 kt with gusts up
to 20 kt. Waves around 2 ft.
.FRI THROUGH SAT NIGHT...S winds 5 to 10 kt. Waves 1 foot or
less. 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.

$$

ANZ236-181500-
Narragansett Bay-
1005 PM EDT Mon Jun 17 2024

.OVERNIGHT...SW winds 10 to 15 kt. Waves around 2 ft.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft.
.WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves around 2 ft.
.WED NIGHT THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Waves 2 to 3 ft.
.FRI AND FRI NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. A
chance of showers.
.SAT...S winds 5 to 10 kt. Waves around 2 ft.
.SAT NIGHT...S 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.

$$

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

You can follow us on Facebook at
www.facebook.com/NWSBoston

You can follow us on Twitter at
@NWSBoston