570
FZUS51 KBOX 210806
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
405 AM EDT Thu Aug 21 2025

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

ANZ200-212100-
405 AM EDT Thu Aug 21 2025

.Synopsis for Massachusetts and Rhode Island coastal waters...
Increasing winds and seas tonight into Thursday as Hurricane Erin
passes several hundred miles southeast of southern New England. Gale
Watches in effect Thursday morning through Friday. Dangerous marine
conditions expected, especially over the south coastal waters.

$$

ANZ250-212100-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
405 AM EDT Thu Aug 21 2025

...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
FRIDAY EVENING...

.TODAY...E winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: E 5 ft at 6 seconds and SE 2 ft at 15 seconds.
.TONIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to
7 ft, building to 6 to 9 ft after midnight. Wave Detail: E 7 ft
at 7 seconds and S 2 ft at 17 seconds, becoming E 9 ft at
8 seconds and S 2 ft at 18 seconds.
.FRI...NE winds 20 to 25 kt, becoming N 15 to 20 kt in the
afternoon. Gusts up to 35 kt. Seas 9 to 12 ft. Wave Detail: E
10 ft at 9 seconds and SE 7 ft at 18 seconds.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt,
becoming SW after midnight. Seas 8 to 11 ft. Wave Detail: E 9 ft
at 12 seconds and SE 7 ft at 14 seconds.
.SAT AND SAT NIGHT...S winds 15 to 20 kt with gusts up to 25 kt.
Seas 5 to 8 ft. Wave Detail: E 8 ft at 12 seconds and S 3 ft at
4 seconds.
.SUN...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
5 ft. Wave Detail: E 5 ft at 11 seconds and SE 4 ft at 9 seconds.
.SUN NIGHT THROUGH MON NIGHT...SW winds 15 to 20 kt with gusts up
to 25 kt. Seas 3 to 5 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.

$$

ANZ251-212100-
Massachusetts Bay and Ipswich Bay-
405 AM EDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH FRIDAY EVENING...

.TODAY...NE winds 10 to 15 kt, increasing to 15 to 20 kt this
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 6 seconds and S 2 ft at 17 seconds.
.TONIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
4 ft, building to 4 to 6 ft after midnight. Wave Detail: E 4 ft
at 7 seconds and S 2 ft at 19 seconds, becoming E 6 ft at
7 seconds and SE 2 ft at 20 seconds.
.FRI...N winds 20 to 25 kt, becoming NE 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: E 7 ft
at 9 seconds and SE 2 ft at 20 seconds.
.FRI NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 5 to 7 ft. Wave Detail: E 7 ft at 11 seconds and SE
3 ft at 16 seconds.
.SAT...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: E 7 ft at
12 seconds and S 1 foot at 6 seconds.
.SAT NIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: E
6 ft at 12 seconds and S 2 ft at 4 seconds.
.SUN...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.SUN NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of showers.
.MON AND MON NIGHT...S winds 10 to 15 kt, becoming SW. Gusts up
to 20 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM.

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.

$$

ANZ231-212100-
Cape Cod Bay-
405 AM EDT Thu Aug 21 2025

...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
FRIDAY EVENING...

.TODAY...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: E 3 ft at 5 seconds and S 3 ft at 15 seconds.
A slight chance of showers this morning.
.TONIGHT...NE winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. Seas 4 to 6 ft. Wave Detail: E 6 ft at 6 seconds and S
4 ft at 18 seconds.
.FRI...N winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 5 to 7 ft. Wave Detail: N 6 ft at 5 seconds and S
4 ft at 18 seconds.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt,
becoming W after midnight. Seas 4 to 6 ft. Wave Detail: NE 4 ft
at 8 seconds and SE 4 ft at 16 seconds.
.SAT AND SAT NIGHT...S 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 S 2 ft at
3 seconds.
.SUN...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: E 3 ft at 10 seconds and S 2 ft at 3 seconds.
.SUN NIGHT THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up
to 25 kt. Seas 2 to 3 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.

$$

ANZ254-212100-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
405 AM EDT Thu Aug 21 2025

...GALE WARNING IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
FRIDAY EVENING...

.TODAY...E winds 15 to 20 kt, becoming NE 20 to 25 kt this
afternoon. Gusts up to 30 kt. Seas 7 to 10 ft. S and E of
Nantucket, seas 8 to 11 ft, building to 10 to 14 ft this
afternoon. Wave Detail: S 8 ft at 18 seconds and E 7 ft at
7 seconds. A chance of showers this morning. A slight chance of
showers this afternoon.
.TONIGHT...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 9 to
13 ft, building to 11 to 15 ft after midnight. S and E of
Nantucket, seas 13 to 18 ft, building to 16 to 21 ft after
midnight. Wave Detail: E 9 ft at 7 seconds and S 9 ft at
17 seconds, becoming E 12 ft at 8 seconds and S 11 ft at
18 seconds. Patchy fog in the evening.
.FRI...N winds 25 to 30 kt with gusts up to 40 kt. Seas 12 to
16 ft. Wave Detail: E 13 ft at 10 seconds and S 11 ft at
17 seconds.
.FRI NIGHT...N winds 15 to 20 kt with gusts up to 30 kt, becoming
NW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 9 to
13 ft, subsiding to 8 to 11 ft after midnight. Wave Detail: E
11 ft at 12 seconds and SE 7 ft at 13 seconds, becoming E 11 ft
at 12 seconds and SE 3 ft at 14 seconds.
.SAT...W winds around 10 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas 7 to 10 ft, subsiding to 6 to 8 ft in the
afternoon. Wave Detail: E 10 ft at 12 seconds and W 1 foot at
3 seconds, becoming E 8 ft at 12 seconds and S 1 foot at
9 seconds.
.SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
5 to 7 ft. Wave Detail: E 7 ft at 12 seconds and SW 2 ft at
6 seconds.
.SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft.
.SUN NIGHT AND MON...S winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 5 ft. A chance of showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 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.

$$

ANZ255-212100-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
405 AM EDT Thu Aug 21 2025

...GALE WARNING IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
FRIDAY EVENING...

.TODAY...NE winds 20 to 25 kt, increasing to 25 to 30 kt this
afternoon. Seas 8 to 11 ft, building to 9 to 13 ft this
afternoon. Wave Detail: E 7 ft at 7 seconds and S 7 ft at
15 seconds, becoming S 10 ft at 17 seconds and E 8 ft at
8 seconds. A chance of showers, mainly this morning. Patchy fog
this afternoon.
.TONIGHT...NE winds 30 to 35 kt with gusts up to 40 kt. Seas
12 to 16 ft, building to 13 to 18 ft after midnight. Wave Detail:
S 14 ft at 17 seconds and E 10 ft at 8 seconds, becoming S 15 ft
at 17 seconds and E 11 ft at 8 seconds. Patchy fog in the
evening.
.FRI...N winds 30 to 35 kt, diminishing to 25 to 30 kt in the
afternoon. Seas 12 to 16 ft, subsiding to 9 to 13 ft in the
afternoon. Wave Detail: S 13 ft at 16 seconds and NE 11 ft at
9 seconds, becoming NE 10 ft at 10 seconds and SE 9 ft at
14 seconds.
.FRI NIGHT...N winds 20 to 25 kt with gusts up to 30 kt, becoming
NW 10 to 15 kt after midnight. Seas 8 to 11 ft, subsiding to 6 to
9 ft after midnight. Wave Detail: NE 10 ft at 12 seconds and SE
6 ft at 13 seconds, becoming E 9 ft at 12 seconds and SE 4 ft at
15 seconds.
.SAT...W winds 10 to 15 kt, becoming SW in the afternoon. Seas
6 to 9 ft. Wave Detail: E 8 ft at 12 seconds and SW 2 ft at
7 seconds.
.SAT NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: E
6 ft at 12 seconds and SW 3 ft at 5 seconds.
.SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft.
.SUN NIGHT THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas 3 to 5 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.

$$

ANZ256-212100-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
405 AM EDT Thu Aug 21 2025

...GALE WARNING IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
FRIDAY AFTERNOON...

.TODAY...NE winds 25 to 30 kt with gusts up to 40 kt. Seas 9 to
11 ft, building to 10 to 14 ft this afternoon. Wave Detail: E
9 ft at 7 seconds and S 7 ft at 15 seconds, becoming E 10 ft at
8 seconds and S 10 ft at 17 seconds. A chance of showers, mainly
this morning.
.TONIGHT...NE winds 30 to 35 kt with gusts up to 40 kt. Seas
12 to 17 ft, building to 15 to 18 ft after midnight. Wave Detail:
S 13 ft at 17 seconds and E 12 ft at 8 seconds, becoming S 14 ft
at 17 seconds and NE 13 ft at 8 seconds.
.FRI...N winds 25 to 35 kt with gusts up to 40 kt. Seas 12 to
17 ft, subsiding to 9 to 13 ft in the afternoon. Wave Detail: N
12 ft at 7 seconds and SE 12 ft at 16 seconds, becoming NE 11 ft
at 11 seconds and SE 11 ft at 14 seconds.
.FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 kt, becoming
W around 10 kt after midnight. Seas 8 to 11 ft, subsiding to 6 to
9 ft after midnight. Wave Detail: E 10 ft at 12 seconds and SE
4 ft at 16 seconds, becoming E 8 ft at 12 seconds and S 2 ft at
10 seconds.
.SAT...SW winds around 10 kt. Seas 5 to 8 ft. Wave Detail: SE
7 ft at 13 seconds and SW 2 ft at 7 seconds.
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: E
6 ft at 12 seconds and SW 3 ft at 4 seconds.
.SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft.
.SUN NIGHT THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas 4 to 5 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.

$$

ANZ232-212100-
Nantucket Sound-
405 AM EDT Thu Aug 21 2025

...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
FRIDAY EVENING...

.TODAY...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: E 5 ft at 6 seconds and S 3 ft at 15 seconds.
A chance of showers, mainly this morning.
.TONIGHT...NE winds 25 to 30 kt, increasing to 30 to 35 kt after
midnight. Seas 6 to 9 ft. Wave Detail: E 7 ft at 7 seconds and S
3 ft at 17 seconds.
.FRI...N winds 25 to 35 kt with gusts up to 40 kt. Seas 6 to
9 ft, subsiding to 5 to 7 ft in the afternoon. Wave Detail: N
7 ft at 6 seconds and S 3 ft at 17 seconds, becoming N 6 ft at
6 seconds and S 3 ft at 15 seconds.
.FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 kt, becoming
W 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: NE
5 ft at 8 seconds and SE 3 ft at 15 seconds.
.SAT AND SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 5 ft. Wave Detail: E 4 ft at 12 seconds and W 2 ft at
4 seconds.
.SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: E 3 ft at 13 seconds and SW 2 ft at 4 seconds.
.SUN NIGHT THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 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.

$$

ANZ233-212100-
Vineyard Sound-
405 AM EDT Thu Aug 21 2025

...GALE WARNING IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
FRIDAY AFTERNOON...

.TODAY...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft. Wave Detail: S 5 ft at 17 seconds and E 4 ft at 6 seconds.
A chance of showers this morning.
.TONIGHT...NE winds 25 to 30 kt with gusts up to 35 kt. Seas 7 to
10 ft. Wave Detail: S 7 ft at 17 seconds and NE 5 ft at
5 seconds.
.FRI...N winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 6 to 9 ft, subsiding to 5 to 7 ft in the
afternoon. Wave Detail: S 7 ft at 16 seconds and N 5 ft at
5 seconds, becoming SE 5 ft at 14 seconds and N 4 ft at
6 seconds.
.FRI NIGHT...N winds 10 to 15 kt with gusts up to 25 kt, becoming
W after midnight. Seas 3 to 5 ft. Wave Detail: N 3 ft at
5 seconds and SE 3 ft at 14 seconds.
.SAT AND SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SE 3 ft at 13 seconds and SW 2 ft at
4 seconds.
.SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 2 ft at 5 seconds and E 2 ft at 13 seconds.
.SUN NIGHT THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 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.

$$

ANZ234-212100-
Buzzards Bay-
405 AM EDT Thu Aug 21 2025

...GALE WARNING IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
FRIDAY AFTERNOON...

.TODAY...NE winds 15 to 20 kt, increasing to 20 to 25 kt this
afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: E 4 ft
at 5 seconds and S 4 ft at 17 seconds. A chance of showers this
morning.
.TONIGHT...NE winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to
7 ft. Wave Detail: S 5 ft at 17 seconds and NE 4 ft at 4 seconds.
.FRI...N winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 5 to 7 ft, subsiding to 3 to 5 ft in the
afternoon. Wave Detail: S 5 ft at 16 seconds and N 4 ft at
6 seconds, becoming N 4 ft at 5 seconds and SE 4 ft at
14 seconds.
.FRI NIGHT...N winds 10 to 15 kt with gusts up to 25 kt, becoming
W after midnight. Seas 2 to 4 ft. Wave Detail: N 3 ft at
5 seconds and SE 3 ft at 15 seconds.
.SAT AND SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SE 3 ft at 13 seconds and SW 2 ft at
3 seconds.
.SUN...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: SW 2 ft at 5 seconds and E 2 ft at 12 seconds.
.SUN NIGHT THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 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.

$$

ANZ235-212100-
Rhode Island Sound-
405 AM EDT Thu Aug 21 2025

...GALE WARNING IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
FRIDAY AFTERNOON...

.TODAY...NE winds 20 to 25 kt, increasing to 25 to 30 kt this
afternoon. Seas 7 to 10 ft. Wave Detail: S 9 ft at 17 seconds and
E 8 ft at 7 seconds. A chance of showers this morning.
.TONIGHT...NE winds 25 to 30 kt with gusts up to 35 kt. Seas 9 to
13 ft, building to 11 to 15 ft after midnight. Wave Detail: S
11 ft at 17 seconds and E 8 ft at 7 seconds, becoming S 14 ft at
17 seconds and NE 8 ft at 7 seconds.
.FRI...N winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 9 to 13 ft, subsiding to 6 to 9 ft in the
afternoon. Wave Detail: S 13 ft at 17 seconds and N 7 ft at
6 seconds, becoming SE 9 ft at 14 seconds and N 5 ft at
6 seconds.
.FRI NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
becoming SW after midnight. Seas 5 to 7 ft. Wave Detail: SE 7 ft
at 12 seconds and NE 4 ft at 6 seconds.
.SAT AND SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 5 ft. Wave Detail: SE 4 ft at 13 seconds and SW 3 ft at
4 seconds.
.SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: S 3 ft at 5 seconds and S 2 ft at 7 seconds.
.SUN NIGHT THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 4 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.

$$

ANZ237-212100-
Block Island Sound-
405 AM EDT Thu Aug 21 2025

...GALE WARNING IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
FRIDAY AFTERNOON...

.TODAY...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to
9 ft, building to 8 to 11 ft this afternoon. Wave Detail: E 7 ft
at 7 seconds and S 6 ft at 15 seconds, becoming E 8 ft at
8 seconds and S 8 ft at 17 seconds. A chance of showers this
morning.
.TONIGHT...NE winds 25 to 30 kt with gusts up to 35 kt. Seas
10 to 14 ft. Wave Detail: S 12 ft at 17 seconds and E 9 ft at
8 seconds.
.FRI...N winds 20 to 25 kt, becoming NE 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 9 to 13 ft, subsiding to 7 to
10 ft in the afternoon. Wave Detail: S 12 ft at 17 seconds and E
8 ft at 8 seconds, becoming SE 10 ft at 15 seconds and E 5 ft at
9 seconds.
.FRI NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt,
becoming SW after midnight. Seas 5 to 8 ft. Wave Detail: SE 8 ft
at 13 seconds and N 1 foot at 4 seconds.
.SAT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: SE
5 ft at 13 seconds and SW 2 ft at 5 seconds.
.SAT NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 13 seconds and
SW 2 ft at 4 seconds.
.SUN...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft.
.SUN NIGHT THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 4 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.

$$

ANZ230-212100-
Boston Harbor-
405 AM EDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH FRIDAY AFTERNOON...

.TODAY...NE winds 10 to 15 kt, increasing to 15 to 20 kt this
afternoon. Gusts up to 25 kt. Waves 2 to 3 ft.
.TONIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Waves
2 to 3 ft.
.FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to
3 ft, except 3 to 5 ft at the outer harbor entrance.
.FRI NIGHT...S winds 5 to 10 kt, becoming SW after midnight.
Waves 2 to 3 ft in the evening, then 1 foot or less. At the outer
harbor entrance, waves 2 to 4 ft.
.SAT AND SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft.
.SUN...S winds 15 to 20 kt with gusts up to 25 kt. Waves around
2 ft.
.SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. A chance of showers.
.MON...S winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft. Showers likely.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ236-212100-
Narragansett Bay-
405 AM EDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH FRIDAY AFTERNOON...

.TODAY...NE winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to
3 ft, except 5 to 7 ft at the bay entrance. A chance of showers
this morning.
.TONIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Waves
around 3 ft, except 6 to 9 ft at the bay entrance.
.FRI...N winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to
3 ft. At the bay entrance, waves 6 to 9 ft, subsiding to 5 to
7 ft in the afternoon.
.FRI NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt,
becoming SW 5 to 10 kt after midnight. Waves 2 to 4 ft.
.SAT AND SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft.
.SUN...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. A chance of showers.
.MON...S winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft. A chance of showers.
.MON NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 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.

$$

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