438
FZUS51 KBOX 210204
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1003 PM EDT Fri Sep 20 2024

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

ANZ200-211500-
1003 PM EDT Fri Sep 20 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
Rainy and gusty NE winds continue through Saturday due to a low pres
SE of Nantucket. Gale force wind gusts continue overnight and
possibly into Saturday. Conditions begin to improve Sun with high
pressure building in by Mon, lasting through Wed

$$

ANZ250-211500-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1003 PM EDT Fri Sep 20 2024

...GALE WARNING IN EFFECT UNTIL 8 AM EDT SATURDAY...

.OVERNIGHT...NE winds around 25 kt with gusts up to 35 kt. Seas
10 to 12 ft. Wave Detail: E 11 ft at 10 seconds and NE 5 ft at
6 seconds. Areas of fog. Showers. Vsby 1 to 3 NM.
.SAT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 10 to
12 ft. Wave Detail: E 11 ft at 10 seconds and NE 3 ft at
6 seconds. Areas of fog. Showers. Vsby 1 to 3 NM in the morning.
.SAT NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
8 to 11 ft, subsiding to 7 to 9 ft after midnight. Wave Detail: E
9 ft at 9 seconds and NE 2 ft at 5 seconds, becoming E 7 ft at
9 seconds and NE 1 foot at 4 seconds.
.SUN...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 7 to
10 ft. Wave Detail: E 7 ft at 9 seconds and NE 1 foot at
4 seconds.
.SUN NIGHT AND MON...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 7 to 10 ft. Wave Detail: E 7 ft at 10 seconds and NE 1 foot
at 4 seconds.
.MON NIGHT...E winds around 10 kt. Seas 6 to 8 ft. Wave Detail: E
7 ft at 10 seconds.
.TUE THROUGH WED...E winds around 10 kt. Seas 5 to 7 ft.
.WED NIGHT...E winds around 10 kt. Seas 5 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.

$$

ANZ251-211500-
Massachusetts Bay and Ipswich Bay-
1003 PM EDT Fri Sep 20 2024

...GALE WARNING IN EFFECT UNTIL 8 AM EDT SATURDAY...

.OVERNIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas
7 to 10 ft. Wave Detail: E 10 ft at 10 seconds and N 5 ft at
6 seconds. Areas of fog. Showers. Vsby 1 to 3 NM.
.SAT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 8 to
11 ft. Wave Detail: E 10 ft at 10 seconds and NE 5 ft at
6 seconds. Areas of fog. Showers. Vsby 1 to 3 NM in the morning.
.SAT NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
6 to 9 ft. Wave Detail: E 8 ft at 10 seconds and NE 3 ft at
5 seconds.
.SUN...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to
8 ft. Wave Detail: E 7 ft at 9 seconds and NE 1 foot at
4 seconds.
.SUN NIGHT THROUGH MON NIGHT...NE winds 10 to 15 kt with gusts up
to 20 kt. Seas 5 to 8 ft. Wave Detail: E 7 ft at 10 seconds and
NE 1 foot at 4 seconds.
.TUE THROUGH WED...E winds 5 to 10 kt. Seas 4 to 6 ft. Wave
Detail: E 6 ft at 10 seconds.
.WED NIGHT...E winds around 10 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.

$$

ANZ231-211500-
Cape Cod Bay-
1003 PM EDT Fri Sep 20 2024

...GALE WARNING IN EFFECT UNTIL 8 AM EDT SATURDAY...

.OVERNIGHT...NE winds around 25 kt with gusts up to 40 kt. Seas
6 to 8 ft. Wave Detail: E 8 ft at 9 seconds and N 6 ft at
5 seconds. Areas of fog. Showers. Vsby 1 to 3 NM.
.SAT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to
8 ft. Wave Detail: E 8 ft at 9 seconds and N 6 ft at 5 seconds.
Areas of fog. Showers. Vsby 1 to 3 NM in the morning.
.SAT NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas
5 to 7 ft. Wave Detail: E 6 ft at 9 seconds and N 4 ft at
5 seconds. Areas of fog in the evening. A chance of showers in
the evening.
.SUN...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. Wave Detail: E 5 ft at 9 seconds and N 3 ft at 4 seconds.
.SUN NIGHT THROUGH MON NIGHT...NE winds 10 to 15 kt with gusts up
to 25 kt. Seas 4 to 6 ft. Wave Detail: E 5 ft at 10 seconds and N
3 ft at 4 seconds.
.TUE THROUGH WED...E winds around 10 kt. Seas 3 to 5 ft. Wave
Detail: E 4 ft at 10 seconds and NE 1 foot at 2 seconds.
.WED NIGHT...E winds around 10 kt. Seas 3 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.

$$

ANZ254-211500-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1003 PM EDT Fri Sep 20 2024

...GALE WARNING IN EFFECT UNTIL 8 AM EDT SATURDAY...

.OVERNIGHT...NE winds 25 to 30 kt with gusts up to 40 kt. Seas
10 to 14 ft. Wave Detail: NE 13 ft at 10 seconds and NE 2 ft at
5 seconds. Areas of fog. Showers. Vsby 1 to 3 NM.
.SAT...NE winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 10 to 14 ft. Wave Detail: E 12 ft at 10 seconds
and NE 2 ft at 5 seconds. Areas of fog. Showers. Vsby 1 to 3 NM
in the morning.
.SAT NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas
9 to 12 ft. Wave Detail: E 10 ft at 9 seconds and NE 2 ft at
4 seconds. Patchy fog. Showers in the evening.
.SUN...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 8 to
11 ft. Wave Detail: E 8 ft at 9 seconds and NE 1 foot at
4 seconds.
.SUN NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
9 to 12 ft, subsiding to 8 to 10 ft after midnight. Wave Detail:
E 9 ft at 10 seconds and NE 1 foot at 4 seconds, becoming E 9 ft
at 10 seconds and NE 1 foot at 3 seconds.
.MON AND MON NIGHT...NE winds 15 to 20 kt. Seas 7 to 10 ft. Wave
Detail: E 9 ft at 11 seconds and NE 1 foot at 3 seconds.
.TUE THROUGH WED...E winds 10 to 15 kt. Seas 5 to 8 ft.
.WED NIGHT...E winds around 10 kt. Seas 5 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.

$$

ANZ255-211500-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1003 PM EDT Fri Sep 20 2024

...GALE WARNING IN EFFECT UNTIL 8 AM EDT SATURDAY...

.OVERNIGHT...NE winds 25 to 30 kt with gusts up to 40 kt. Seas
8 to 11 ft, except 12 to 13 ft S and E of Nantucket. Wave Detail:
E 10 ft at 9 seconds and N 5 ft at 5 seconds. Areas of fog.
Showers. Vsby 1 to 3 NM.
.SAT...NE winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 8 to 11 ft, except 11 to 13 ft S and E of
Nantucket. Wave Detail: E 10 ft at 10 seconds and N 5 ft at
5 seconds. Areas of fog. Showers. Vsby 1 to 3 NM in the morning.
.SAT NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas
7 to 10 ft, except 10 to 13 ft S and E of Nantucket. Wave Detail:
E 9 ft at 9 seconds and N 4 ft at 5 seconds. Areas of fog in the
evening, then patchy fog after midnight. Showers, mainly in the
evening.
.SUN...NE winds 20 to 25 kt. Seas 7 to 10 ft, except 10 to 12 ft
S and E of Nantucket. Wave Detail: E 7 ft at 9 seconds and N 4 ft
at 4 seconds.
.SUN NIGHT...NE winds around 20 kt with gusts up to 25 kt. Seas
7 to 10 ft. Wave Detail: E 8 ft at 10 seconds and NE 3 ft at
4 seconds.
.MON AND MON NIGHT...NE winds 15 to 20 kt. Seas 6 to 9 ft. Wave
Detail: E 8 ft at 11 seconds and NE 2 ft at 4 seconds.
.TUE AND TUE NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.WED...E winds 10 to 15 kt. Seas 4 to 6 ft.
.WED NIGHT...E winds 10 to 15 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.

$$

ANZ256-211500-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1003 PM EDT Fri Sep 20 2024

...GALE WARNING IN EFFECT UNTIL 8 AM EDT SATURDAY...

.OVERNIGHT...NE winds 25 to 30 kt with gusts up to 40 kt. Seas
6 to 9 ft. Wave Detail: E 7 ft at 9 seconds and N 6 ft at
6 seconds. Showers. Areas of fog.
.SAT...NE winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to
9 ft. Wave Detail: E 7 ft at 9 seconds and N 6 ft at 6 seconds.
Areas of fog. Showers.
.SAT NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 8 ft. Wave Detail: E 7 ft at 9 seconds and N 5 ft at
5 seconds. A chance of showers. Areas of fog in the evening.
.SUN...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
7 ft. Wave Detail: E 7 ft at 9 seconds and N 4 ft at 5 seconds.
.SUN NIGHT THROUGH MON NIGHT...NE winds 15 to 20 kt with gusts up
to 25 kt. Seas 5 to 8 ft. Wave Detail: E 7 ft at 10 seconds and
NE 3 ft at 5 seconds.
.TUE THROUGH WED...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 4 to 6 ft. Wave Detail: E 6 ft at 11 seconds and NE 1 foot
at 3 seconds.
.WED NIGHT...E 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.

$$

ANZ232-211500-
Nantucket Sound-
1003 PM EDT Fri Sep 20 2024

...GALE WARNING IN EFFECT UNTIL 8 AM EDT SATURDAY...

.OVERNIGHT...NE winds 25 to 30 kt with gusts up to 40 kt. Seas
5 to 7 ft. Wave Detail: E 6 ft at 9 seconds and N 5 ft at
5 seconds. Areas of fog. Showers. Vsby 1 to 3 NM.
.SAT...NE winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 5 to 7 ft. Wave Detail: E 6 ft at 10 seconds and
N 4 ft at 5 seconds. Areas of fog. Showers. Vsby 1 to 3 NM in the
morning.
.SAT NIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: N
4 ft at 5 seconds and E 4 ft at 10 seconds. Showers, mainly in
the evening. Areas of fog in the evening.
.SUN...NE winds around 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. Wave Detail: N 4 ft at 4 seconds and E 3 ft at 9 seconds.
.SUN NIGHT AND MON...NE winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 6 ft. Wave Detail: E 4 ft at 11 seconds and NE 3 ft at
4 seconds.
.MON NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 3 to 5 ft. Wave Detail: E 4 ft at 11 seconds and NE
3 ft at 4 seconds.
.TUE THROUGH WED...E winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 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.

$$

ANZ233-211500-
Vineyard Sound-
1003 PM EDT Fri Sep 20 2024

...GALE WARNING IN EFFECT UNTIL 8 AM EDT SATURDAY...

.OVERNIGHT...NE winds 25 to 30 kt with gusts up to 40 kt. Seas
5 to 6 ft. Wave Detail: N 3 ft at 5 seconds and E 2 ft at
9 seconds. Areas of fog. Showers.
.SAT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to
5 ft. Wave Detail: N 3 ft at 5 seconds and E 3 ft at 9 seconds.
Areas of fog. Showers.
.SAT NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 4 ft. Wave Detail: N 3 ft at 4 seconds and E 2 ft at
10 seconds. Showers, mainly in the evening. Areas of fog in the
evening.
.SUN...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: N 2 ft at 4 seconds and E 2 ft at 10 seconds.
.SUN NIGHT THROUGH MON NIGHT...NE winds 15 to 20 kt with gusts up
to 25 kt. Seas 2 to 4 ft. Wave Detail: E 3 ft at 11 seconds and
NE 2 ft at 4 seconds.
.TUE THROUGH WED...E winds 10 to 15 kt. Seas 2 to 3 ft. Wave
Detail: E 2 ft at 10 seconds and NE 1 foot at 3 seconds.
.WED NIGHT...E winds 10 to 15 kt. Seas 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.

$$

ANZ234-211500-
Buzzards Bay-
1003 PM EDT Fri Sep 20 2024

...GALE WARNING IN EFFECT UNTIL 8 AM EDT SATURDAY...

.OVERNIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas
5 to 6 ft. Wave Detail: N 3 ft at 5 seconds and E 3 ft at
9 seconds. Areas of fog. Showers.
.SAT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
5 ft. Wave Detail: N 3 ft at 5 seconds and E 3 ft at 9 seconds.
Areas of fog. Showers.
.SAT NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. Wave Detail: N 3 ft at 5 seconds and E 3 ft at
10 seconds. Areas of fog in the evening. Showers in the evening.
.SUN...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: E 3 ft at 10 seconds and N 2 ft at 4 seconds.
.SUN NIGHT THROUGH MON NIGHT...NE winds 15 to 20 kt with gusts up
to 25 kt. Seas 3 to 5 ft. Wave Detail: E 3 ft at 10 seconds and
NE 2 ft at 4 seconds.
.TUE THROUGH WED...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: E 3 ft at 11 seconds and NE 1 foot
at 2 seconds.
.WED NIGHT...E winds 10 to 15 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.

$$

ANZ235-211500-
Rhode Island Sound-
1003 PM EDT Fri Sep 20 2024

...GALE WARNING IN EFFECT UNTIL 8 AM EDT SATURDAY...

.OVERNIGHT...NE winds 25 to 30 kt with gusts up to 40 kt. Seas
5 to 6 ft. Wave Detail: N 5 ft at 5 seconds and SE 4 ft at
9 seconds. Showers. Areas of fog.
.SAT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to
6 ft. Wave Detail: N 5 ft at 5 seconds and SE 4 ft at 9 seconds.
Areas of fog. Showers.
.SAT NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 5 ft. Wave Detail: N 4 ft at 5 seconds and SE 4 ft at
9 seconds. Patchy fog in the evening. Showers in the evening.
.SUN...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
5 ft. Wave Detail: E 4 ft at 9 seconds and NE 3 ft at 4 seconds.
.SUN NIGHT THROUGH MON NIGHT...NE winds 15 to 20 kt with gusts up
to 25 kt. Seas 3 to 5 ft. Wave Detail: E 4 ft at 11 seconds and
NE 3 ft at 4 seconds.
.TUE THROUGH WED...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave
Detail: E 4 ft at 11 seconds and NE 1 foot at 3 seconds.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 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.

$$

ANZ237-211500-
Block Island Sound-
1003 PM EDT Fri Sep 20 2024

...GALE WARNING IN EFFECT UNTIL 8 AM EDT SATURDAY...

.OVERNIGHT...N winds 20 to 25 kt with gusts up to 35 kt. Seas
4 to 6 ft. Wave Detail: N 4 ft at 5 seconds and E 4 ft at
9 seconds. A chance of showers.
.SAT...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: E 5 ft
at 9 seconds and N 4 ft at 5 seconds. Areas of fog. A chance of
showers.
.SAT NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. Wave Detail: E 5 ft at 9 seconds and NE 3 ft at
5 seconds. A chance of showers in the evening.
.SUN...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: E 4 ft at 9 seconds and NE 3 ft at 4 seconds.
.SUN NIGHT THROUGH MON NIGHT...NE winds 10 to 15 kt with gusts up
to 20 kt. Seas 3 to 5 ft. Wave Detail: E 5 ft at 11 seconds and
NE 2 ft at 5 seconds.
.TUE THROUGH WED...E winds 10 to 15 kt. Seas 3 to 4 ft. Wave
Detail: E 4 ft at 11 seconds and NE 1 foot at 4 seconds.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 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.

$$

ANZ230-211500-
Boston Harbor-
1003 PM EDT Fri Sep 20 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT SATURDAY...

.OVERNIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Waves
2 to 3 ft, except 4 to 6 ft at the outer harbor entrance. Areas
of fog. A chance of showers. Showers likely.
.SAT...NE winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to
3 ft, except 5 to 7 ft at the outer harbor entrance. Showers.
Areas of fog in the morning.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Waves
2 to 3 ft, except 4 to 6 ft at the outer harbor entrance. A
chance of showers in the evening.
.SUN...NE winds around 15 kt with gusts up to 20 kt. Waves 2 to
3 ft, except 4 to 6 ft at the outer harbor entrance.
.SUN NIGHT THROUGH MON NIGHT...NE winds 10 to 15 kt with gusts up
to 20 kt. Waves 2 to 3 ft.
.TUE AND TUE NIGHT...E winds 5 to 10 kt. Waves 1 foot or less,
except 2 to 4 ft at the outer harbor entrance.
.WED AND WED NIGHT...E winds 5 to 10 kt. Waves 2 to 3 ft, then
1 foot or less. At the outer harbor entrance, waves 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.

$$

ANZ236-211500-
Narragansett Bay-
1003 PM EDT Fri Sep 20 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT SATURDAY...

.OVERNIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Waves
around 3 ft, except 4 to 6 ft at the bay entrance. Showers likely
this evening.
.SAT...N winds 15 to 20 kt with gusts up to 30 kt. Waves around
3 ft, except 4 to 6 ft at the bay entrance. Areas of fog.
Showers.
.SAT NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Waves
2 to 3 ft. Areas of fog in the evening. A chance of showers in
the evening.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.SUN NIGHT THROUGH MON NIGHT...NE winds 10 to 15 kt with gusts up
to 20 kt. Waves 2 to 3 ft.
.TUE THROUGH WED...E winds 5 to 10 kt. Waves 2 to 4 ft.
.WED NIGHT...E 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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