386
FZUS51 KBOX 181404
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1004 AM EDT Sat May 18 2024

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

ANZ200-190300-
1004 AM EDT Sat May 18 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
Scattered showers today and tonight as low pressure to our south
shifts back north. Persistent NE flow through the end of the
weekend, though shower chances decrease for Sunday. High pressure
builds in late this weekend with dry conditions persisting through
early next week.

$$

ANZ250-190300-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1004 AM EDT Sat May 18 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

.THIS AFTERNOON...NE winds around 15 kt with gusts up to 20 kt.
Seas 5 to 6 ft. Wave Detail: E 6 ft at 9 seconds. A chance of
showers. Vsby 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Wave Detail: E 6 ft at 8 seconds and NE 1 foot at
3 seconds. A chance of showers. Vsby 1 to 3 NM in the evening.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
6 ft. Wave Detail: E 5 ft at 8 seconds and S 1 foot at 7 seconds.
.SUN NIGHT...NE winds around 10 kt. Seas 4 to 5 ft. Wave Detail:
E 5 ft at 8 seconds.
.MON...NE winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft
at 8 seconds and SE 1 foot at 11 seconds.
.MON NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
3 to 4 ft. Wave Detail: E 4 ft at 9 seconds and SE 1 foot at
10 seconds.
.TUE THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up 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.

$$

ANZ251-190300-
Massachusetts Bay and Ipswich Bay-
1004 AM EDT Sat May 18 2024

.THIS AFTERNOON...NE winds around 15 kt with gusts up to 20 kt.
Seas 3 to 4 ft. Wave Detail: E 4 ft at 9 seconds and NE 1 foot at
3 seconds. A chance of showers. Vsby 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: E 4 ft at 8 seconds and NE 1 foot at
3 seconds. A chance of showers. 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: E 5 ft at 8 seconds and NE 1 foot at
3 seconds.
.SUN NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: E
4 ft at 8 seconds and NE 1 foot at 3 seconds.
.MON...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 8 seconds and SE 1 foot at 11 seconds.
.MON NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and SE 1 foot at
10 seconds.
.TUE THROUGH WED 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.

$$

ANZ231-190300-
Cape Cod Bay-
1004 AM EDT Sat May 18 2024

.THIS AFTERNOON...NE winds around 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: E 4 ft at 9 seconds and N 2 ft at
3 seconds. Showers likely this morning. Vsby 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: E 4 ft at 8 seconds and N 2 ft at 4 seconds. A
chance of showers. Vsby 1 to 3 NM in the evening.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: E 3 ft at 8 seconds and N 2 ft at 4 seconds.
.SUN NIGHT...NE winds around 10 kt. Seas 2 to 4 ft. Wave Detail:
E 3 ft at 8 seconds and N 2 ft at 4 seconds.
.MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 8 seconds and N 1 foot at 4 seconds.
.MON NIGHT...E winds around 5 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: E 2 ft at 8 seconds and NE 1 foot at
2 seconds.
.TUE THROUGH WED 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.

$$

ANZ254-190300-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1004 AM EDT Sat May 18 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

.THIS AFTERNOON...NE winds around 15 kt with gusts up to 20 kt.
Seas 5 to 6 ft. Wave Detail: E 6 ft at 9 seconds and NE 1 foot at
3 seconds. A chance of showers. Vsby 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Wave Detail: E 6 ft at 8 seconds and NE 1 foot at
3 seconds. A chance of showers. Vsby 1 to 3 NM.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Wave Detail: E 5 ft at 8 seconds and NE 1 foot at
3 seconds.
.SUN NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 4 to 6 ft. Wave Detail: E 5 ft at 8 seconds and NE
1 foot at 3 seconds.
.MON...NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 4 to 5 ft. Wave Detail: E 5 ft at 8 seconds and
NE 1 foot at 2 seconds.
.MON NIGHT...E winds 5 to 10 kt, becoming SE after midnight. Seas
3 to 5 ft. Wave Detail: E 4 ft at 9 seconds and SE 1 foot at
11 seconds.
.TUE THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up 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.

$$

ANZ255-190300-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1004 AM EDT Sat May 18 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.THIS AFTERNOON...NE winds around 15 kt with gusts up to 20 kt.
Seas 4 to 6 ft. Wave Detail: E 6 ft at 9 seconds and NE 2 ft at
4 seconds. A chance of showers this morning. Vsby 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Wave Detail: E 5 ft at 8 seconds and N 2 ft at 4 seconds. A
chance of showers. Vsby 1 to 3 NM in the evening.
.SUN...NE winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: E 4 ft
at 8 seconds and N 2 ft at 4 seconds.
.SUN NIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: E
4 ft at 8 seconds and NE 2 ft at 4 seconds.
.MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: E 4 ft
at 8 seconds and NE 2 ft at 4 seconds.
.MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: E
4 ft at 8 seconds and NE 1 foot at 3 seconds.
.TUE THROUGH WED 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.

$$

ANZ256-190300-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1004 AM EDT Sat May 18 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.THIS AFTERNOON...NE winds around 15 kt with gusts up to 20 kt.
Seas 3 to 5 ft. Wave Detail: E 5 ft at 9 seconds and N 2 ft at
4 seconds. A slight chance of showers. Vsby 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: E 4 ft at 9 seconds and N 2 ft at 4 seconds.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: E 4 ft at 8 seconds and N 2 ft at 4 seconds.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: E 4 ft at 8 seconds and NE 2 ft at
4 seconds.
.MON...NE winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft
at 8 seconds and NE 2 ft at 4 seconds.
.MON NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds and NE 1 foot at 3 seconds.
.TUE THROUGH WED NIGHT...SW winds 10 to 15 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.

$$

ANZ232-190300-
Nantucket Sound-
1004 AM EDT Sat May 18 2024

.THIS AFTERNOON...NE winds around 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: E 4 ft at 9 seconds and NE 2 ft at
3 seconds. A chance of showers. Vsby 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: E 3 ft at 8 seconds and NE 2 ft at 3 seconds.
A chance of showers. Vsby 1 to 3 NM.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: N 2 ft at 4 seconds and E 2 ft at 8 seconds.
.SUN NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 3 seconds and E
2 ft at 8 seconds.
.MON...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft
at 3 seconds and E 2 ft at 8 seconds.
.MON NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: E 2 ft at 8 seconds and NE 1 foot at
3 seconds.
.TUE THROUGH WED 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.

$$

ANZ233-190300-
Vineyard Sound-
1004 AM EDT Sat May 18 2024

.THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: E 2 ft at 9 seconds and N 1 foot
at 3 seconds. A chance of showers. Vsby 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: E 2 ft at 8 seconds and N 1 foot at
4 seconds. A chance of showers. Vsby 1 to 3 NM in the evening.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: N 1 foot at 4 seconds and E 1 foot at
8 seconds.
.SUN NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: NE 1 foot at 3 seconds
and E 1 foot at 7 seconds.
.MON...NE winds around 10 kt. Seas around 2 ft. Wave Detail: NE
1 foot at 3 seconds and NW 1 foot at 5 seconds.
.MON NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
1 foot or less. Wave Detail: E 1 foot at 2 seconds and E 1 foot
at 8 seconds.
.TUE THROUGH WED 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.

$$

ANZ234-190300-
Buzzards Bay-
1004 AM EDT Sat May 18 2024

.THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: E 2 ft at 9 seconds and N 1 foot
at 3 seconds. A chance of showers. Vsby 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: E 2 ft at 9 seconds and N 1 foot at
4 seconds. A chance of showers. Vsby 1 to 3 NM in the evening.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: N 2 ft at 4 seconds and E 2 ft at 8 seconds.
.SUN NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: E 2 ft at 8 seconds and NE
1 foot at 3 seconds.
.MON...NE winds around 10 kt. Seas around 2 ft. Wave Detail: E
2 ft at 8 seconds and N 1 foot at 4 seconds.
.MON NIGHT...E winds 5 to 10 kt, becoming SW after midnight. Seas
around 2 ft in the evening, then 1 foot or less. Wave Detail: E
2 ft at 8 seconds and E 1 foot at 2 seconds, becoming S 1 foot at
2 seconds and NE 1 foot at 2 seconds.
.TUE THROUGH WED 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.

$$

ANZ235-190300-
Rhode Island Sound-
1004 AM EDT Sat May 18 2024

.THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and NE 2 ft at
3 seconds. A chance of showers this morning. Vsby 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 8 seconds and N 2 ft at 3 seconds.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at 8 seconds.
.SUN NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 3 seconds and S
2 ft at 7 seconds.
.MON...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft
at 3 seconds and SE 2 ft at 8 seconds.
.MON NIGHT...E winds 5 to 10 kt, becoming SW after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 8 seconds and NE 1 foot at
3 seconds.
.TUE THROUGH WED 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.

$$

ANZ237-190300-
Block Island Sound-
1004 AM EDT Sat May 18 2024

.THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and NE 1 foot at
3 seconds. A slight chance of showers.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: E 3 ft at 9 seconds and NE 1 foot at
3 seconds.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: E 3 ft at 8 seconds and NE 2 ft at 3 seconds.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds and NE 1 foot at 4 seconds.
.MON...NE winds around 10 kt, becoming E in the afternoon. Seas
2 to 3 ft. Wave Detail: E 2 ft at 8 seconds and NE 1 foot at
4 seconds.
.MON NIGHT...SE winds 5 to 10 kt, becoming SW after midnight.
Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and NE 1 foot
at 3 seconds.
.TUE THROUGH WED NIGHT...SW winds 10 to 15 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.

$$

ANZ230-190300-
Boston Harbor-
1004 AM EDT Sat May 18 2024

.THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft. A chance of showers.
.TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves 2 to 3 ft. A chance of showers.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. A chance of showers in the morning.
.SUN NIGHT...NE winds 5 to 10 kt. Waves around 2 ft in the
evening, then 1 foot or less.
.MON...NE winds 5 to 10 kt. Waves 1 foot or less.
.MON NIGHT...SE winds 5 to 10 kt, becoming SW after midnight.
Waves 1 foot or less.
.TUE THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up to
20 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.

$$

ANZ236-190300-
Narragansett Bay-
1004 AM EDT Sat May 18 2024

.THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft. A chance of showers.
.TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Waves 2 to 3 ft.
.MON...NE winds 5 to 10 kt. Waves around 2 ft.
.MON NIGHT...SE winds 5 to 10 kt, becoming SW after midnight.
Waves around 2 ft.
.TUE THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up to
20 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.

$$

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