593
FZUS51 KBOX 172243
CWFBOX

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

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

ANZ200-181115-
643 PM EDT Fri May 17 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
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.

$$

ANZ250-181115-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
643 PM EDT Fri May 17 2024

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

.TODAY...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Wave Detail: SE 5 ft at 9 seconds and NE 1 foot at
3 seconds.
.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.
Patchy fog after midnight. A chance of rain 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...NE winds around 10 kt. Seas 4 to 5 ft. Wave Detail:
E 5 ft at 8 seconds.
.MON THROUGH TUE NIGHT...S winds 10 to 15 kt with gusts up to
20 kt. Seas 3 to 5 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.

$$

ANZ251-181115-
Massachusetts Bay and Ipswich Bay-
643 PM EDT Fri May 17 2024

.TODAY...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 and SE 3 ft at 9 seconds.
.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. Patchy fog after
midnight. A chance of rain 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...NE winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: E
4 ft at 8 seconds.
.MON THROUGH TUE NIGHT...S 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.

$$

ANZ231-181115-
Cape Cod Bay-
643 PM EDT Fri May 17 2024

.TODAY...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: NE 3 ft at 9 seconds and SE 3 ft at 9 seconds.
A slight chance of showers.
.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...NE winds around 10 kt. Seas 2 to 4 ft. Wave Detail:
NE 2 ft at 5 seconds and N 1 foot at 2 seconds.
.MON THROUGH TUE NIGHT...SW 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.

$$

ANZ254-181115-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
643 PM EDT Fri May 17 2024

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

.TODAY...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 and S 5 ft at 9 seconds. A
chance of showers this morning. A slight chance of rain this
afternoon. Patchy fog this afternoon. Vsby 1 NM or less this
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...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.
.MON THROUGH TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 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.

$$

ANZ255-181115-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
643 PM EDT Fri May 17 2024

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

.TODAY...NE winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. Gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: E 7 ft
at 8 seconds and S 3 ft at 8 seconds. A chance of showers this
morning, then a slight chance of rain this afternoon. Patchy fog
this afternoon. Vsby 1 NM or less this morning.
.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...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...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.MON NIGHT THROUGH TUE NIGHT...SW winds 5 to 10 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.

$$

ANZ256-181115-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
643 PM EDT Fri May 17 2024

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

.TODAY...N winds 15 to 20 kt, becoming NE 10 to 15 kt this
afternoon. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: E 6 ft
at 8 seconds and N 2 ft at 4 seconds. A slight chance of showers
this morning with vsby 1 NM or less.
.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. Patchy fog after
midnight. A chance of rain 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...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 SW 1 foot at
7 seconds.
.MON THROUGH TUE NIGHT...SW winds 10 to 15 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.

$$

ANZ232-181115-
Nantucket Sound-
643 PM EDT Fri May 17 2024

.TODAY...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: NE 3 ft at 4 seconds and E 3 ft at 8 seconds.
A slight chance of showers this morning. A slight chance of rain
this afternoon. Vsby 1 NM or less this morning.
.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...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 5 seconds.
.MON THROUGH TUE 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.

$$

ANZ233-181115-
Vineyard Sound-
643 PM EDT Fri May 17 2024

.TODAY...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: E 3 ft at 8 seconds and S 2 ft at 8 seconds. A
slight chance of showers this morning with vsby 1 NM or less.
.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...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and
SW 1 foot at 6 seconds.
.MON THROUGH TUE NIGHT...SW winds 5 to 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.

$$

ANZ234-181115-
Buzzards Bay-
643 PM EDT Fri May 17 2024

.TODAY...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: NE 3 ft at 8 seconds and S 2 ft at 8 seconds.
A slight chance of showers this morning with vsby 1 NM or less.
.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. Patchy fog after
midnight. A chance of rain 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...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.
.MON THROUGH TUE NIGHT...SW winds 10 to 15 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.

$$

ANZ235-181115-
Rhode Island Sound-
643 PM EDT Fri May 17 2024

.TODAY...N winds 10 to 15 kt, becoming NE 15 to 20 kt this
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: E 5 ft
at 9 seconds and SE 5 ft at 9 seconds. A slight chance of showers
this morning with vsby 1 NM or less.
.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. Patchy fog after
midnight. A chance of rain 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...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 5 seconds and SW
1 foot at 7 seconds.
.MON THROUGH TUE 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.

$$

ANZ237-181115-
Block Island Sound-
643 PM EDT Fri May 17 2024

.TODAY...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: E 5 ft at 8 seconds and S 4 ft at 8 seconds.
.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.
.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 THROUGH TUE NIGHT...SW 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.

$$

ANZ230-181115-
Boston Harbor-
643 PM EDT Fri May 17 2024

.TODAY...NE winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt this afternoon. Waves 1 foot or less, then
around 2 ft this afternoon.
.TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Waves around 2 ft. 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 THROUGH TUE NIGHT...SW winds 10 to 15 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.

$$

ANZ236-181115-
Narragansett Bay-
643 PM EDT Fri May 17 2024

.TODAY...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.TONIGHT...NE winds around 10 kt with gusts up to 20 kt. Waves
2 to 3 ft. Patchy fog after midnight. A chance of rain 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...NE winds 10 to 15 kt. Waves 2 to 3 ft.
.MON THROUGH TUE NIGHT...SW winds 5 to 10 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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