113
FZUS51 KBOX 172003
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
403 PM EDT Fri May 17 2024

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

ANZ200-180900-
403 PM EDT Fri May 17 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
Generally dry weather in store for Friday save for a few light
showers across the southern waters associated with low pressure to
our southeast. Shower chances increase overnight tonight and
Saturday as low pressure shifts back north. High pressure builds in
late this weekend with dry conditions persisting through early next
week.

$$

ANZ250-180900-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
403 PM EDT Fri May 17 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...

.TONIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Seas 4 to 6 ft. Wave Detail: E 6 ft at 9 seconds. A
slight chance of rain this evening, then a chance of rain after
midnight. Patchy fog after midnight with vsby 1 to 3 NM.
.SAT...NE winds 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: E 6 ft
at 9 seconds. Patchy fog. A chance of rain. Vsby 1 to 3 NM.
.SAT NIGHT...NE winds around 15 kt with gusts up to 20 kt. Seas
5 to 6 ft. Wave Detail: E 6 ft at 8 seconds. Patchy fog. A chance
of rain. Vsby 1 to 3 NM in the evening.
.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. Patchy fog in the morning
with vsby 1 to 3 NM.
.SUN NIGHT AND MON...NE winds 5 to 10 kt. Seas 4 to 5 ft. Wave
Detail: E 5 ft at 8 seconds.
.MON NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
3 to 4 ft. Wave Detail: E 4 ft at 8 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.

$$

ANZ251-180900-
Massachusetts Bay and Ipswich Bay-
403 PM EDT Fri May 17 2024

.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Wave Detail: E 5 ft at 9 seconds. A slight chance of rain
this evening, then a chance of rain after midnight. Patchy fog
after midnight.
.SAT...NE winds around 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Wave Detail: E 5 ft at 9 seconds. Patchy fog. A chance of
rain. Vsby 1 to 3 NM.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Wave Detail: E 5 ft at 9 seconds. Patchy fog. A chance
of rain. Vsby 1 to 3 NM in the evening.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft. Wave Detail: E 5 ft at 8 seconds. Patchy fog in the
morning.
.SUN NIGHT AND MON...E winds 5 to 10 kt. Seas 3 to 5 ft. Wave
Detail: E 4 ft at 8 seconds.
.MON NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 8 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.

$$

ANZ231-180900-
Cape Cod Bay-
403 PM EDT Fri May 17 2024

.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: N 2 ft at 4 seconds. A chance of rain. Patchy
fog after midnight with vsby 1 to 3 NM.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: N 2 ft at 4 seconds. Patchy fog. A chance of
rain. Vsby 1 to 3 NM.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Wave Detail: N 2 ft at 4 seconds. Patchy fog. A chance
of rain. Vsby 1 to 3 NM in the evening.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: N 2 ft at 5 seconds. Patchy fog in the morning
with vsby 1 to 3 NM.
.SUN NIGHT AND MON...NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave
Detail: NE 2 ft at 5 seconds and N 1 foot at 2 seconds.
.MON NIGHT...E winds around 5 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: NE 2 ft at 6 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.

$$

ANZ254-180900-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
403 PM EDT Fri May 17 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...

.TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
8 ft. Wave Detail: E 7 ft at 9 seconds. Patchy fog. A chance of
rain. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
7 ft. Wave Detail: E 7 ft at 9 seconds. Patchy fog. A chance of
rain. Vsby 1 NM or less, increasing to 1 to 3 NM in the
afternoon.
.SAT NIGHT...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. Patchy fog. A chance
of rain. 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. Patchy fog in the morning
with vsby 1 to 3 NM.
.SUN NIGHT AND MON...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.
.MON NIGHT...E winds 5 to 10 kt, becoming SE after midnight. Seas
3 to 5 ft. Wave Detail: E 4 ft at 8 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.

$$

ANZ255-180900-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
403 PM EDT Fri May 17 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING...

.TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
7 ft. Wave Detail: E 7 ft at 9 seconds. Patchy fog. A chance of
rain. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight.
.SAT...NE winds around 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Wave Detail: NE 6 ft at 9 seconds. Patchy fog. Vsby 1 NM or
less, increasing to 1 to 3 NM in the afternoon.
.SAT NIGHT...N winds around 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Wave Detail: NE 5 ft at 8 seconds and N 1 foot at
4 seconds. Patchy fog. A chance of rain after midnight. Vsby 1 to
3 NM in the evening.
.SUN...NE winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: N 5 ft
at 6 seconds. Patchy fog in the morning with vsby 1 to 3 NM.
.SUN NIGHT AND MON...NE winds 15 to 20 kt. Seas 3 to 5 ft. Wave
Detail: NE 5 ft at 7 seconds and SW 1 foot at 6 seconds.
.MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: NE
4 ft at 8 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.

$$

ANZ256-180900-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
403 PM EDT Fri May 17 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING...

.TONIGHT...NE winds around 15 kt with gusts up to 25 kt. Seas
4 to 6 ft. Wave Detail: E 6 ft at 8 seconds. A slight chance of
rain this evening, then a chance of rain after midnight. Patchy
fog after midnight with vsby 1 NM or less.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Wave Detail: E 6 ft at 9 seconds. Patchy fog. Vsby 1 NM or
less, increasing to 1 to 3 NM in the afternoon.
.SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: NE 4 ft at 9 seconds and N 1 foot at
4 seconds. Patchy fog. Vsby 1 to 3 NM after midnight.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: NE 4 ft at 8 seconds and N 1 foot at
4 seconds. Patchy fog in the morning with vsby 1 to 3 NM.
.SUN NIGHT AND MON...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: NE 4 ft at 8 seconds and SW 1 foot
at 7 seconds.
.MON NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 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.

$$

ANZ232-180900-
Nantucket Sound-
403 PM EDT Fri May 17 2024

.TONIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: NE 4 ft at 6 seconds. Patchy fog. A chance of
rain. Vsby 1 NM or less after midnight.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: NE 4 ft at 7 seconds. Patchy fog. A chance of
rain in the morning. Vsby 1 NM or less, increasing to 1 to 3 NM
in the afternoon.
.SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Wave Detail: N 3 ft at 6 seconds. Patchy fog. A chance
of rain. Vsby 1 to 3 NM.
.SUN...NE winds around 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: N 3 ft at 5 seconds. Patchy fog in the morning
with vsby 1 to 3 NM.
.SUN NIGHT AND MON...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: NE 3 ft at 5 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.
.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.

$$

ANZ233-180900-
Vineyard Sound-
403 PM EDT Fri May 17 2024

.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: NE 2 ft at 5 seconds. A chance of rain. Patchy
fog after midnight with vsby 1 to 3 NM.
.SAT...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. Patchy fog. A chance of
rain in the morning. Vsby 1 to 3 NM.
.SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: N 2 ft at 4 seconds. Patchy fog. A
chance of rain after midnight. 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 2 ft at 5 seconds. Patchy fog in the morning
with vsby 1 to 3 NM.
.SUN NIGHT AND MON...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and SW 1 foot
at 6 seconds.
.MON NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
1 foot or less. Wave Detail: E 1 foot at 3 seconds and E 1 foot
at 7 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.

$$

ANZ234-180900-
Buzzards Bay-
403 PM EDT Fri May 17 2024

.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: NE 2 ft at 4 seconds. A slight chance
of rain this evening, then a chance of rain after midnight.
Patchy fog after midnight with vsby 1 to 3 NM.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: N 2 ft at 4 seconds. Patchy fog. A chance of
rain in the morning. Vsby 1 to 3 NM.
.SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: N 2 ft at 4 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 2 to
3 ft. Wave Detail: N 2 ft at 4 seconds. Patchy fog in the morning
with vsby 1 to 3 NM.
.SUN NIGHT AND MON...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: NE 2 ft at 3 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
1 foot at 5 seconds, becoming S 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.

$$

ANZ235-180900-
Rhode Island Sound-
403 PM EDT Fri May 17 2024

.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: NE 4 ft at 7 seconds. A slight chance of rain
this evening, then a chance of rain after midnight. Patchy fog
after midnight with vsby 1 to 3 NM.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: NE 4 ft at 7 seconds. Patchy fog. Vsby 1 to
3 NM in the morning.
.SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: NE 3 ft at 7 seconds and N 1 foot at
4 seconds. Patchy fog.
.SUN...NE winds around 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: N 3 ft at 4 seconds. Patchy fog in the morning
with vsby 1 to 3 NM.
.SUN NIGHT AND MON...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: NE 3 ft at 5 seconds and SW 1 foot
at 7 seconds.
.MON NIGHT...E winds 5 to 10 kt, becoming SW after midnight. Seas
around 2 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 foot at
4 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.

$$

ANZ237-180900-
Block Island Sound-
403 PM EDT Fri May 17 2024

.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. Patchy fog after
midnight. A slight chance of rain after midnight.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: E 4 ft at 9 seconds. Patchy fog. Vsby 1 to
3 NM in the morning.
.SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds. Patchy fog. Vsby
1 to 3 NM after midnight.
.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. Patchy fog in the
morning.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:
NE 3 ft at 6 seconds and S 1 foot at 7 seconds.
.MON AND MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 7 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.

$$

ANZ230-180900-
Boston Harbor-
403 PM EDT Fri May 17 2024

.TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Waves around 2 ft. A slight chance of rain this
evening, then a chance of rain after midnight.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. Patchy fog. A chance of rain.
.SAT NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves 2 to 3 ft. Patchy fog. A chance of rain.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. Patchy fog in the morning.
.SUN NIGHT...NE winds 5 to 10 kt. Waves around 2 ft in the
evening, then 1 foot or less.
.MON AND MON NIGHT...SW winds 5 to 10 kt. 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.

$$

ANZ236-180900-
Narragansett Bay-
403 PM EDT Fri May 17 2024

.TONIGHT...NE winds around 10 kt with gusts up to 20 kt. Waves
2 to 3 ft. A slight chance of rain this evening, then a chance of
rain after midnight. Patchy fog after midnight.
.SAT...N winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft. Patchy fog. Vsby 1 to 3 NM in the morning.
.SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. Patchy fog.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. Patchy fog in the morning with vsby 1 to 3 NM.
.SUN NIGHT AND MON...NE winds 10 to 15 kt. Waves 2 to 3 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.

$$

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