Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 162004
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
404 PM EDT Thu May 16 2024

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

ANZ200-170900-
404 PM EDT Thu May 16 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
Low pres S of New England will move slowly SE through tonight,
bringing a period of enhanced E to ENE winds to the waters.
High pres then builds in from Atlc Canada into srn New England Fri
into this weekend, then should remain in place into early next week.

$$

ANZ250-170900-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
404 PM EDT Thu May 16 2024

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

.TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt this evening.
Seas 3 to 5 ft. Wave Detail: SE 5 ft at 9 seconds and E 3 ft at
5 seconds. Patchy fog. Areas of drizzle with a slight chance of
rain this evening. Vsby 1 NM or less.
.FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft
at 9 seconds and NE 1 foot at 4 seconds. Patchy fog in the
morning with vsby 1 NM or less.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: E
5 ft at 9 seconds and NE 1 foot at 3 seconds. Patchy fog after
midnight with vsby 1 to 3 NM.
.SAT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: E 5 ft
at 9 seconds. Patchy fog in the morning with vsby 1 NM or less.
.SAT NIGHT THROUGH SUN NIGHT...NE winds around 10 kt. Seas 4 to
6 ft. Wave Detail: E 5 ft at 8 seconds.
.MON THROUGH TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft.
Wave Detail: E 5 ft at 9 seconds and S 2 ft at 3 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.

$$

ANZ251-170900-
Massachusetts Bay and Ipswich Bay-
404 PM EDT Thu May 16 2024

.TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt this evening.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 5 seconds and E 3 ft at
9 seconds. Patchy fog. Areas of drizzle with a slight chance of
rain this evening. Vsby 1 NM or less.
.FRI...NE winds around 10 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft
at 9 seconds and NE 2 ft at 5 seconds. Patchy fog in the morning
with vsby 1 NM or less.
.FRI NIGHT...NE winds around 10 kt. Seas 2 to 4 ft. Wave Detail:
E 4 ft at 9 seconds and NE 1 foot at 3 seconds.
.SAT...NE winds around 10 kt. Seas 3 to 5 ft. Wave Detail: E 5 ft
at 9 seconds and NE 1 foot at 3 seconds.
.SAT NIGHT THROUGH SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to
5 ft. Wave Detail: E 5 ft at 9 seconds and NE 1 foot at
3 seconds.
.MON THROUGH TUE NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft.
Wave Detail: E 4 ft at 9 seconds and S 2 ft at 3 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.

$$

ANZ231-170900-
Cape Cod Bay-
404 PM EDT Thu May 16 2024

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

.TONIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SE 4 ft at 9 seconds and E 3 ft at 9 seconds.
Patchy fog. A chance of rain this evening, then areas of drizzle
with a slight chance of rain after midnight. Vsby 1 to 3 NM,
decreasing to 1 NM or less after midnight.
.FRI...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.
Patchy fog in the morning with vsby 1 NM or less.
.FRI NIGHT...NE winds around 10 kt. Seas 2 to 3 ft. Wave Detail:
E 3 ft at 9 seconds and NE 1 foot at 3 seconds. Patchy fog after
midnight.
.SAT...NE winds around 10 kt. Seas 2 to 4 ft. Wave Detail: E 3 ft
at 9 seconds and NE 1 foot at 3 seconds. Patchy fog in the
morning with vsby 1 NM or less.
.SAT NIGHT THROUGH SUN NIGHT...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 N
1 foot at 4 seconds.
.MON THROUGH TUE NIGHT...S 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.

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.

$$

ANZ254-170900-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
404 PM EDT Thu May 16 2024

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

.TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
8 ft. Wave Detail: E 6 ft at 9 seconds and SE 6 ft at 9 seconds.
Patchy fog. A chance of rain this evening, then areas of drizzle
with a slight chance of rain after midnight. Vsby 1 to 3 NM,
decreasing to 1 NM or less after midnight.
.FRI...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 5 to 7 ft. Wave Detail: SE
6 ft at 9 seconds and S 3 ft at 8 seconds. Patchy fog. Areas of
drizzle in the morning with vsby 1 NM or less.
.FRI NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 5 to 6 ft. Wave Detail: E 6 ft at 8 seconds and NE
1 foot at 3 seconds. 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 and NE 1 foot at
3 seconds. Patchy fog in the morning with vsby 1 NM or less.
.SAT NIGHT THROUGH SUN 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 and NE
1 foot at 2 seconds.
.MON THROUGH TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft.
Wave Detail: E 5 ft at 9 seconds and NE 1 foot at 2 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.

$$

ANZ255-170900-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
404 PM EDT Thu May 16 2024

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

.TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
8 ft. Wave Detail: SE 7 ft at 9 seconds and S 7 ft at 9 seconds.
Patchy fog. A chance of rain. Vsby 1 to 3 NM, decreasing to 1 NM
or less after midnight.
.FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
7 ft. Wave Detail: E 6 ft at 8 seconds and S 3 ft at 8 seconds.
Patchy fog in the morning. Areas of drizzle in the morning with
vsby 1 NM or less.
.FRI NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft. Wave Detail: E
6 ft at 8 seconds and NE 2 ft at 4 seconds. Patchy fog after
midnight with vsby 1 NM or less.
.SAT...NE winds around 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Wave Detail: E 5 ft at 9 seconds and NE 2 ft at 4 seconds.
Patchy fog in the morning with vsby 1 NM or less.
.SAT NIGHT THROUGH SUN NIGHT...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
2 ft at 4 seconds.
.MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: E 4 ft
at 9 seconds and NE 2 ft at 4 seconds.
.MON NIGHT THROUGH TUE NIGHT...S 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.

$$

ANZ256-170900-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
404 PM EDT Thu May 16 2024

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

.TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to
9 ft, subsiding to 6 to 7 ft after midnight. Wave Detail: SE 7 ft
at 9 seconds and S 7 ft at 9 seconds, becoming E 7 ft at
9 seconds and S 3 ft at 8 seconds. Patchy fog. A chance of rain
this evening, then areas of drizzle with a slight chance of rain
after midnight. Vsby 1 NM or less, increasing to 1 to 3 NM after
midnight.
.FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
7 ft. Wave Detail: E 6 ft at 8 seconds and NE 2 ft at 4 seconds.
Patchy fog in the morning. Areas of drizzle in the morning with
vsby 1 to 3 NM.
.FRI NIGHT...NE winds around 15 kt. Gusts up to 20 kt in the
evening. Seas 4 to 6 ft. Wave Detail: E 6 ft at 8 seconds and NE
2 ft at 4 seconds. Patchy fog after midnight.
.SAT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: E 5 ft
at 8 seconds and NE 1 foot at 4 seconds. Patchy fog in the
morning.
.SAT NIGHT THROUGH 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 9 seconds and NE
2 ft at 3 seconds.
.MON THROUGH TUE NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft.
Wave Detail: E 3 ft at 8 seconds and NE 1 foot at 4 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.

$$

ANZ232-170900-
Nantucket Sound-
404 PM EDT Thu May 16 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

.TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: E 4 ft at 5 seconds and E 3 ft at 9 seconds.
Patchy fog. A chance of rain this evening, then areas of drizzle
with a slight chance of rain after midnight. Vsby 1 to 3 NM,
decreasing to 1 NM or less after midnight.
.FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: E 3 ft at 8 seconds and NE 2 ft at 4 seconds.
Patchy fog in the morning. Areas of drizzle in the morning with
vsby 1 NM or less.
.FRI NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 4 ft. Wave Detail: E 3 ft at 9 seconds and NE
2 ft at 4 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 3 ft at 9 seconds and NE 2 ft at 3 seconds.
Patchy fog in the morning with vsby 1 NM or less.
.SAT NIGHT THROUGH SUN NIGHT...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.
.MON THROUGH TUE NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft.
Wave Detail: E 3 ft at 9 seconds and NE 2 ft at 3 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.

$$

ANZ233-170900-
Vineyard Sound-
404 PM EDT Thu May 16 2024

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

.TONIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: SE 4 ft at 9 seconds and S 3 ft at 9 seconds.
Patchy fog. Rain likely this evening. Areas of drizzle with a
slight chance of rain after midnight. Vsby 1 to 3 NM.
.FRI...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 NE 2 ft at 3 seconds.
Patchy fog in the morning.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 9 seconds and NE 1 foot at 3 seconds. Patchy fog after
midnight.
.SAT...NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: E
2 ft at 9 seconds and NE 1 foot at 3 seconds. Patchy fog in the
morning.
.SAT NIGHT THROUGH SUN NIGHT...NE winds 10 to 15 kt with gusts up
to 20 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 3 seconds and
E 2 ft at 9 seconds.
.MON THROUGH TUE NIGHT...S winds 5 to 10 kt. Seas 1 foot or less.
Wave Detail: NE 1 foot at 3 seconds and E 1 foot at 9 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.

$$

ANZ234-170900-
Buzzards Bay-
404 PM EDT Thu May 16 2024

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

.TONIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SE 4 ft at 9 seconds and NE 2 ft at 3 seconds.
Patchy fog. Rain likely this evening, then areas of drizzle with
a slight chance of rain after midnight. Vsby 1 to 3 NM,
decreasing to 1 NM or less after midnight.
.FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: NE 2 ft at 3 seconds and SE 2 ft at 8 seconds.
Patchy fog in the morning.
.FRI NIGHT...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. Patchy fog after
midnight.
.SAT...NE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and NE 1 foot
at 3 seconds. Patchy fog in the morning.
.SAT NIGHT THROUGH SUN NIGHT...NE winds 10 to 15 kt with gusts up
to 20 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 3 seconds and
E 2 ft at 9 seconds.
.MON THROUGH TUE NIGHT...S winds 10 to 15 kt. Seas around 2 ft.
Wave Detail: E 2 ft at 8 seconds and NE 1 foot at 2 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.

$$

ANZ235-170900-
Rhode Island Sound-
404 PM EDT Thu May 16 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT FRIDAY...

.TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: SE 6 ft at 9 seconds and NE 3 ft at 4 seconds.
Patchy fog. Rain likely this evening. Areas of drizzle with a
slight chance of rain after midnight. Vsby 1 to 3 NM.
.FRI...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 8 seconds and
S 4 ft at 8 seconds. Patchy fog in the morning with vsby 1 to
3 NM.
.FRI NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds and NE
2 ft at 4 seconds. Patchy fog after midnight.
.SAT...NE winds 10 to 15 kt. Seas around 3 ft. Wave Detail: E
3 ft at 8 seconds and NE 2 ft at 3 seconds.
.SAT NIGHT THROUGH SUN NIGHT...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.
.MON THROUGH TUE NIGHT...S winds 5 to 10 kt. Seas around 2 ft.
Wave Detail: NE 2 ft at 4 seconds and SE 2 ft at 10 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.

$$

ANZ237-170900-
Block Island Sound-
404 PM EDT Thu May 16 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT FRIDAY...

.TONIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: SE 6 ft at 9 seconds and NE 3 ft at 5 seconds.
Patchy fog. A chance of rain this evening. Areas of drizzle with
a slight chance of rain after midnight. Vsby 1 to 3 NM.
.FRI...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: SE 5 ft at 8 seconds and S 3 ft at 8 seconds.
Patchy fog in the morning with vsby 1 to 3 NM.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 8 seconds and NE 1 foot at 4 seconds. Patchy fog after
midnight.
.SAT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 8 seconds and NE 1 foot at 3 seconds.
.SAT NIGHT THROUGH SUN NIGHT...NE winds 10 to 15 kt. Seas 2 to
3 ft. Wave Detail: E 3 ft at 8 seconds and NE 2 ft at 4 seconds.
.MON THROUGH TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 2 ft at 4 seconds and E 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.

$$

ANZ230-170900-
Boston Harbor-
404 PM EDT Thu May 16 2024

.TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt this evening.
Waves around 2 ft this evening, then 1 foot or less. Patchy fog.
A chance of rain with areas of drizzle this evening. Vsby 1 to
3 NM, decreasing to 1 NM or less after midnight.
.FRI...NE winds around 10 kt. Waves around 2 ft. Patchy fog in
the morning with vsby 1 NM or less.
.FRI NIGHT...NE winds 5 to 10 kt. Waves 1 foot or less.
.SAT...NE winds around 10 kt. Waves 1 foot or less, then 2 to
3 ft in the afternoon. At the outer harbor entrance, waves 2 to
4 ft.
.SAT NIGHT THROUGH SUN NIGHT...NE winds 10 to 15 kt. Waves 2 to
3 ft.
.MON THROUGH TUE NIGHT...S 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.

$$

ANZ236-170900-
Narragansett Bay-
404 PM EDT Thu May 16 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

.TONIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Waves
2 to 3 ft. Patchy fog. Rain likely this evening. Areas of drizzle
after midnight. Vsby 1 to 3 NM.
.FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. Patchy fog in the morning.
.FRI NIGHT...NE winds around 10 kt. Waves 2 to 3 ft.
.SAT...NE winds around 10 kt. Waves 2 to 3 ft.
.SAT NIGHT THROUGH SUN NIGHT...NE winds 10 to 15 kt. Waves 2 to
3 ft.
.MON THROUGH TUE NIGHT...S 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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