375
FZUS51 KBOX 181104
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 AM EDT Tue Jun 18 2024

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

ANZ200-190000-
704 AM EDT Tue Jun 18 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.

$$

ANZ250-190000-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
704 AM EDT Tue Jun 18 2024

.TODAY...S winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at
12 seconds.
.TONIGHT...SW winds around 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
11 seconds.
.WED...SW winds 10 to 15 kt, becoming S 15 to 20 kt in the
afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ft at 5 seconds and
SE 1 foot at 11 seconds.
.WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at
10 seconds.
.THU AND 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
9 seconds.
.FRI AND FRI NIGHT...N winds 5 to 10 kt, becoming NE. Seas around
2 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 8 seconds.
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.

$$

ANZ251-190000-
Massachusetts Bay and Ipswich Bay-
704 AM EDT Tue Jun 18 2024

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

$$

ANZ231-190000-
Cape Cod Bay-
704 AM EDT Tue Jun 18 2024

.TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and SE 1 foot
at 12 seconds.
.TONIGHT...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 S 1 foot at
6 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 3 seconds and SE 1 foot at
7 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 1 foot at
8 seconds.
.THU AND 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 2 ft
at 9 seconds.
.FRI AND FRI NIGHT...NW winds 5 to 10 kt, becoming NE. Seas
around 2 ft, then 1 foot or less. Wave Detail: N 1 foot at
2 seconds and W 1 foot at 3 seconds, becoming N 1 foot at
3 seconds and SE 1 foot at 8 seconds. A chance of showers.
.SAT...SE 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.

$$

ANZ254-190000-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
704 AM EDT Tue Jun 18 2024

.TODAY...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.
.TONIGHT...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 11 seconds.
.WED...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
11 seconds.
.WED NIGHT...SW winds around 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.
.THU AND THU NIGHT...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 SE 2 ft at
9 seconds.
.FRI...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft
at 5 seconds and SE 2 ft at 8 seconds.
.FRI NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.SAT AND SAT NIGHT...S winds 5 to 10 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.

$$

ANZ255-190000-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
704 AM EDT Tue Jun 18 2024

.TODAY...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 1 foot at
12 seconds.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and SE
2 ft 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 2 ft
at 10 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
10 seconds. Patchy fog in the evening with vsby 1 to 3 NM.
.THU AND THU NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 2 ft at
9 seconds.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 2 ft at 8 seconds.
.FRI NIGHT AND SAT...W winds around 10 kt, becoming S. Seas 2 to
3 ft. A chance of showers.
.SAT NIGHT...S winds around 10 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.

$$

ANZ256-190000-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
704 AM EDT Tue Jun 18 2024

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: S 3 ft at 6 seconds and SE 2 ft at 12 seconds.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: S 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 around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft
at 10 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 4 seconds and SE 2 ft at
10 seconds. Patchy fog in the evening with vsby 1 to 3 NM.
.THU AND THU NIGHT...SW winds 15 to 20 kt. Seas 2 to 4 ft. Wave
Detail: SW 3 ft at 4 seconds and SE 2 ft at 9 seconds.
.FRI THROUGH SAT...SE 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
8 seconds. A chance of showers.
.SAT NIGHT...S winds around 10 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.

$$

ANZ232-190000-
Nantucket Sound-
704 AM EDT Tue Jun 18 2024

.TODAY...SW winds around 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
6 seconds.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: S 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 1 foot at
6 seconds.
.WED NIGHT...SW winds around 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
9 seconds.
.THU AND 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 1 foot
at 9 seconds.
.FRI THROUGH SAT...SE winds 10 to 15 kt. Seas around 2 ft. Wave
Detail: SW 2 ft at 4 seconds and NE 1 foot at 3 seconds. A chance
of showers.
.SAT NIGHT...S winds around 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.

$$

ANZ233-190000-
Vineyard Sound-
704 AM EDT Tue Jun 18 2024

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: S 2 ft at 6 seconds and SE 1 foot at
12 seconds.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: S 2 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 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 S 1 foot at
9 seconds. Patchy fog in the evening with vsby 1 to 3 NM.
.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 4 seconds and SE 1 foot
at 9 seconds.
.FRI THROUGH SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft.
Wave Detail: SW 2 ft at 5 seconds and E 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.

$$

ANZ234-190000-
Buzzards Bay-
704 AM EDT Tue Jun 18 2024

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: S 2 ft at 5 seconds and SE 1 foot at
12 seconds.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: S 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 4 seconds and SE 1 foot at
11 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 S 1 foot at
9 seconds. Patchy fog in the evening with vsby 1 to 3 NM.
.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 4 seconds and SE 1 foot
at 8 seconds.
.FRI THROUGH SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft.
Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at 8 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.

$$

ANZ235-190000-
Rhode Island Sound-
704 AM EDT Tue Jun 18 2024

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: S 2 ft at 6 seconds and SE 1 foot at
12 seconds.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: S 2 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 around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot
at 11 seconds. Patchy fog in the afternoon.
.WED NIGHT...SW winds around 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
9 seconds. Patchy fog in the evening with vsby 1 to 3 NM.
.THU AND 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
9 seconds.
.FRI THROUGH SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft.
Wave Detail: S 3 ft at 6 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.

$$

ANZ237-190000-
Block Island Sound-
704 AM EDT Tue Jun 18 2024

.TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon.
Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and S 1 foot
at 7 seconds.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: S 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: S 2 ft at 5 seconds and SE 1 foot
at 11 seconds. Patchy fog in the morning with vsby 1 to 3 NM.
.WED 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
S 1 foot at 9 seconds.
.THU AND 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 4 seconds and S 2 ft at
9 seconds.
.FRI...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft
at 5 seconds and SE 2 ft at 8 seconds. A chance of showers.
.FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.SAT AND SAT NIGHT...SE 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.

$$

ANZ230-190000-
Boston Harbor-
704 AM EDT Tue Jun 18 2024

.TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt this
afternoon. Waves 1 foot or less, then around 2 ft this afternoon.
.TONIGHT...SW winds 10 to 15 kt. Waves around 2 ft.
.WED...SW winds 10 to 15 kt. Waves 1 foot or less.
.WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft.
.THU AND THU NIGHT...SW winds 5 to 10 kt. Waves around 2 ft.
.FRI AND FRI NIGHT...N winds 5 to 10 kt, becoming E. Waves 1 foot
or less. A chance of showers.
.SAT AND SAT NIGHT...E winds 5 to 10 kt, becoming SE. 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.

$$

ANZ236-190000-
Narragansett Bay-
704 AM EDT Tue Jun 18 2024

.TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt this afternoon. Waves around 2 ft.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Waves around 2 ft.
.WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 foot or less, then around 2 ft in the afternoon.
.WED NIGHT...SW winds 10 to 15 kt. Waves around 2 ft.
.THU AND 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, becoming SE. Waves
around 2 ft. A chance of showers.
.SAT...SE 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