075
FZUS51 KBOX 300505
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
105 AM EDT Sat May 30 2026

Coastal waters from the Merrimack River MA to Watch Hill RI out
to 60 NM

ANZ200-301800-
105 AM EDT Sat May 30 2026

.Synopsis for Massachusetts and Rhode Island coastal waters...
A low pres system drops southeast of the Cape by mid-morning Sat.
This will result in N-NE storm force wind gusts on Sat and hazardous
conditions for Sat. High pres briefly builds south of the waters Sun
before another northern stream shortwave/low pres system crosses the
region Mon. Low pres will then meander south of the waters into the
middle of next week.

$$

ANZ250-301800-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
105 AM EDT Sat May 30 2026

...STORM WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TONIGHT...SE winds 20 to 25 kt with gusts up to 35 kt.
Seas 3 to 5 ft. Wave Detail: S 3 ft at 5 seconds and E 2 ft at
9 seconds. Patchy fog. Showers with a slight chance of tstms.
Vsby 1 to 3 NM.
.SAT...NE winds 30 to 35 kt, becoming 25 to 35 kt in the
afternoon. Gusts up to 50 kt. Seas 6 to 9 ft, building to 9 to
12 ft in the afternoon. Wave Detail: SE 9 ft at 7 seconds and NE
9 ft at 9 seconds, becoming NE 12 ft at 8 seconds and NW 5 ft at
10 seconds. Patchy fog. A chance of showers in the morning.
Showers in the afternoon. Vsby 1 to 3 NM.
.SAT NIGHT...NE winds 20 to 25 kt with gusts up to 40 kt,
becoming N 10 to 15 kt with gusts up to 25 kt after midnight.
Seas 9 to 12 ft, subsiding to 6 to 8 ft after midnight. Wave
Detail: NE 12 ft at 9 seconds and NE 6 ft at 3 seconds, becoming
E 8 ft at 9 seconds and N 2 ft at 5 seconds. A chance of showers
in the evening.
.SUN...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
5 to 7 ft. Wave Detail: E 6 ft at 9 seconds and N 3 ft at
6 seconds. A chance of showers in the afternoon.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: E
4 ft at 9 seconds and E 2 ft at 6 seconds. A chance of showers.
.MON...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft
at 8 seconds and NE 3 ft at 3 seconds. A chance of showers.
.MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...NE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. A chance of
showers.
.WED...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
7 ft. A chance of showers.
.WED NIGHT...N winds 5 to 10 kt. Seas 4 to 6 ft. A chance of
showers.

Winds and seas higher in and near tstms.

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.

$$

ANZ251-301800-
Massachusetts Bay and Ipswich Bay-
105 AM EDT Sat May 30 2026

...STORM WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at
4 seconds. Patchy fog. Showers likely with a slight chance of
tstms.
.SAT...NE winds 30 to 35 kt, becoming 25 to 35 kt in the
afternoon. Gusts up to 50 kt. Seas 5 to 7 ft, building to 7 to
10 ft in the afternoon. Wave Detail: E 7 ft at 9 seconds and E
6 ft at 5 seconds, becoming NE 10 ft at 9 seconds and NE 5 ft at
6 seconds. Patchy fog. Showers. Vsby 1 to 3 NM.
.SAT NIGHT...N winds 20 to 25 kt with gusts up to 40 kt,
diminishing to around 10 kt with gusts up to 20 kt after
midnight. Seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight.
Wave Detail: NE 9 ft at 9 seconds and NE 6 ft at 4 seconds,
becoming E 7 ft at 9 seconds and NW 4 ft at 9 seconds.
.SUN...NW winds 5 to 10 kt, becoming SE in the afternoon. Seas
4 to 6 ft. Wave Detail: E 6 ft at 9 seconds and N 2 ft at
6 seconds. A chance of showers in the afternoon.
.SUN NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
2 to 4 ft. Wave Detail: E 4 ft at 8 seconds and W 1 foot at
5 seconds. A chance of showers.
.MON...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds and E 3 ft at
9 seconds. A chance of showers.
.MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE AND TUE NIGHT...NE winds 5 to 10 kt, increasing to 10 to
15 kt. Seas 2 to 4 ft. A chance of showers.
.WED AND WED NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
becoming N 5 to 10 kt. Seas 3 to 5 ft. A chance of showers.

Winds and seas higher in and near tstms.

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.

$$

ANZ231-301800-
Cape Cod Bay-
105 AM EDT Sat May 30 2026

...STORM WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: E 2 ft at 8 seconds and SW 1 foot at
3 seconds. Patchy fog. Showers likely with isolated tstms.
.SAT...N winds 20 to 25 kt with gusts up to 40 kt, becoming NE
25 to 30 kt with gusts up to 50 kt in the afternoon. Seas 3 to
5 ft, building to 5 to 7 ft in the afternoon. Wave Detail: NW
3 ft at 4 seconds and NE 1 foot at 5 seconds, becoming N 7 ft at
6 seconds and NE 7 ft at 9 seconds. Patchy fog. Showers in the
afternoon. Vsby 1 to 3 NM.
.SAT NIGHT...N winds 25 to 30 kt with gusts up to 40 kt,
diminishing to 10 to 15 kt with gusts up to 25 kt after midnight.
Seas 5 to 7 ft, subsiding to 3 to 5 ft after midnight. Wave
Detail: NE 7 ft at 9 seconds and NW 6 ft at 10 seconds, becoming
NW 5 ft at 7 seconds and NE 5 ft at 9 seconds. A chance of
showers in the evening.
.SUN...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 4 ft. Wave Detail: N 4 ft at 7 seconds and E 2 ft at
15 seconds.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 15 seconds and NE 2 ft at 8 seconds. A chance of showers.
.MON...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 9 seconds and SW 1 foot at
2 seconds. A chance of showers.
.MON NIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.TUE THROUGH WED NIGHT...N winds 10 to 15 kt with gusts up to
20 kt. Seas 2 to 3 ft. A chance of showers.

Winds and seas higher in and near tstms.

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.

$$

ANZ254-301800-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 NM-
105 AM EDT Sat May 30 2026

...STORM WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds and NE 3 ft at
9 seconds. Patchy fog. Showers with a slight chance of tstms.
.SAT...N winds 15 to 20 kt with gusts up to 30 kt, becoming NE
25 to 30 kt with gusts up to 45 kt in the afternoon. Seas 4 to
6 ft, building to 6 to 9 ft in the afternoon. Wave Detail: W 3 ft
at 4 seconds and S 3 ft at 7 seconds, becoming NE 9 ft at
10 seconds and N 8 ft at 6 seconds. Patchy fog. A chance of
showers in the morning. Showers in the afternoon. Vsby 1 to 3 NM.
.SAT NIGHT...N winds 25 to 30 kt with gusts up to 45 kt,
diminishing to 20 to 25 kt with gusts up to 30 kt after midnight.
Seas 8 to 11 ft. Wave Detail: NE 11 ft at 8 seconds and NW 7 ft
at 5 seconds. Patchy fog in the evening. A chance of showers in
the evening with vsby 1 to 3 NM.
.SUN...N winds 10 to 15 kt with gusts up to 20 kt, becoming W
5 to 10 kt in the afternoon. Seas 5 to 8 ft. Wave Detail: NE 8 ft
at 9 seconds and E 4 ft at 5 seconds.
.SUN NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 4 to 5 ft. Wave Detail: E 5 ft at 9 seconds and E
2 ft at 5 seconds. A chance of showers.
.MON...SW winds 5 to 10 kt, becoming E in the afternoon. Seas
3 to 5 ft. Wave Detail: E 4 ft at 9 seconds and NE 2 ft at
5 seconds. A chance of showers.
.MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE...NE winds 5 to 10 kt. Seas 3 to 5 ft.
.TUE NIGHT AND WED...NE winds 10 to 15 kt, increasing to 15 to
20 kt. Seas 5 to 7 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. A chance of
showers.

Winds and seas higher in and near tstms.

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.

$$

ANZ255-301800-
Coastal Waters extending out to 25 NM South of Marthas Vineyard
and Nantucket-
105 AM EDT Sat May 30 2026

...STORM WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and E 2 ft at
8 seconds. Patchy fog. Showers likely with isolated tstms.
.SAT...NW winds 15 to 20 kt with gusts up to 30 kt, becoming N
35 to 40 kt with gusts up to 45 kt in the afternoon. Seas 5 to
7 ft. Wave Detail: N 6 ft at 5 seconds and W 6 ft at 7 seconds.
Patchy fog in the afternoon. Showers likely in the afternoon with
vsby 1 to 3 NM.
.SAT NIGHT...N winds 25 to 35 kt with gusts up to 45 kt,
diminishing to 20 to 25 kt with gusts up to 30 kt after midnight.
Seas 6 to 9 ft. Wave Detail: N 7 ft at 7 seconds and E 7 ft at
10 seconds. A chance of showers in the evening.
.SUN...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W in
the afternoon. Seas 4 to 6 ft. Wave Detail: E 6 ft at 10 seconds
and NW 3 ft at 4 seconds.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: E
5 ft at 10 seconds and W 3 ft at 4 seconds.
.MON AND MON NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 ft. Wave
Detail: SW 3 ft at 6 seconds and E 3 ft at 9 seconds. A chance of
showers.
.TUE...NE winds 5 to 10 kt. Seas 4 to 6 ft.
.TUE NIGHT THROUGH WED NIGHT...N winds 15 to 20 kt. Seas 4 to
6 ft. A chance of showers.

Winds and seas higher in and near tstms.

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.

$$

ANZ256-301800-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 NM South of Block Island-
105 AM EDT Sat May 30 2026

...STORM WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TONIGHT...W winds around 20 kt with gusts up to 30 kt.
Seas 4 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and NE 1 foot
at 6 seconds. A chance of showers with isolated tstms.
.SAT...NW winds 20 to 25 kt with gusts up to 40 kt, becoming N
30 to 40 kt with gusts up to 50 kt in the afternoon. Seas 5 to
6 ft, building to 6 to 8 ft in the afternoon. Wave Detail: W 5 ft
at 6 seconds and NE 3 ft at 4 seconds, becoming N 8 ft at
6 seconds and SW 4 ft at 7 seconds. A chance of showers in the
afternoon.
.SAT NIGHT...N winds 25 to 30 kt with gusts up to 45 kt,
diminishing to 15 to 20 kt with gusts up to 30 kt after midnight.
Seas 5 to 7 ft. Wave Detail: N 7 ft at 6 seconds and E 3 ft at
10 seconds.
.SUN...NW winds 10 to 15 kt, becoming SW in the afternoon. Gusts
up to 20 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 11 seconds
and NW 2 ft at 4 seconds.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Wave Detail: E 4 ft at 10 seconds and SW 3 ft at
4 seconds.
.MON...W winds 5 to 10 kt, becoming S in the afternoon. Seas 3 to
5 ft. Wave Detail: SW 3 ft at 6 seconds and E 3 ft at 10 seconds.
A chance of showers in the afternoon.
.MON NIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft. A chance of
showers in the evening.
.TUE...NE winds around 10 kt. Seas 3 to 5 ft.
.TUE NIGHT AND WED...NE winds 10 to 15 kt, increasing to 15 to
20 kt. Seas 4 to 6 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ232-301800-
Nantucket Sound-
105 AM EDT Sat May 30 2026

...STORM WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at
7 seconds. Patchy fog. Showers with isolated tstms.
.SAT...NW winds 10 to 15 kt with gusts up to 25 kt, becoming N
30 to 35 kt with gusts up to 45 kt in the afternoon. Seas 2 to
3 ft, building to 4 to 6 ft in the afternoon. Wave Detail: W 2 ft
at 4 seconds and E 1 foot at 4 seconds, becoming N 4 ft at
5 seconds and S 1 foot at 7 seconds. A chance of showers in the
morning, then showers in the afternoon. Patchy fog in the
afternoon with vsby 1 to 3 NM.
.SAT NIGHT...N winds 25 to 30 kt with gusts up to 45 kt,
diminishing to 15 to 20 kt with gusts up to 30 kt after midnight.
Seas 4 to 6 ft. Wave Detail: N 5 ft at 6 seconds and E 3 ft at
10 seconds. A chance of showers in the evening.
.SUN...NW winds 10 to 15 kt, becoming W 5 to 10 kt in the
afternoon. Seas 2 to 4 ft. Wave Detail: E 3 ft at 5 seconds and E
2 ft at 10 seconds.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:
SW 2 ft at 3 seconds and E 2 ft at 5 seconds. A chance of
showers.
.MON AND MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 2 ft at 9 seconds and E 1 foot at 5 seconds. A chance
of showers.
.TUE...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE NIGHT THROUGH WED NIGHT...N winds 15 to 20 kt. Seas 2 to
4 ft. A chance of showers.

Winds and seas higher in and near tstms.

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.

$$

ANZ233-301800-
Vineyard Sound-
105 AM EDT Sat May 30 2026

...STORM WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TONIGHT...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and NE 1 foot at
5 seconds. Patchy fog. A chance of showers with a slight chance
of tstms.
.SAT...NW winds 15 to 20 kt with gusts up to 30 kt, becoming N
30 to 35 kt with gusts up to 50 kt in the afternoon. Seas 3 to
5 ft. Wave Detail: N 4 ft at 4 seconds and SW 4 ft at 7 seconds.
A chance of showers in the morning, then showers likely in the
afternoon. Patchy fog in the afternoon with vsby 1 to 3 NM.
.SAT NIGHT...N winds 25 to 30 kt with gusts up to 40 kt,
diminishing to 10 to 15 kt with gusts up to 25 kt after midnight.
Seas 2 to 4 ft. Wave Detail: N 4 ft at 5 seconds and NE 2 ft at
10 seconds. A chance of showers in the evening.
.SUN...NW winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft
at 3 seconds and NE 1 foot at 4 seconds.
.SUN NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds
and E 1 foot at 5 seconds.
.MON AND MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: SW 2 ft at 5 seconds and E 1 foot at 5 seconds. A chance
of showers.
.TUE...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE NIGHT AND WED...NE winds 10 to 15 kt. Gusts up to 20 kt.
Seas 2 to 3 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ234-301800-
Buzzards Bay-
105 AM EDT Sat May 30 2026

...STORM WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TONIGHT...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and NE 1 foot
at 5 seconds. Patchy fog. Showers with a slight chance of tstms.
.SAT...NW winds 10 to 15 kt with gusts up to 30 kt, becoming N
25 to 35 kt with gusts up to 50 kt in the afternoon. Seas 2 to
4 ft. Wave Detail: N 4 ft at 6 seconds and S 2 ft at 7 seconds. A
chance of showers in the morning, then showers likely in the
afternoon. Patchy fog in the afternoon with vsby 1 to 3 NM.
.SAT NIGHT...N winds 25 to 30 kt with gusts up to 40 kt,
diminishing to 10 to 15 kt with gusts up to 25 kt after midnight.
Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds and NW 3 ft at
8 seconds. A chance of showers in the evening.
.SUN...NW winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 1 foot or less, then around 2 ft
in the afternoon. Wave Detail: N 1 foot at 3 seconds and SE
1 foot at 7 seconds, becoming SW 2 ft at 3 seconds and NE 1 foot
at 5 seconds.
.SUN NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at
4 seconds and E 1 foot at 5 seconds.
.MON AND MON NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: S 2 ft at 10 seconds and E 1 foot at 4 seconds. A chance
of showers.
.TUE THROUGH WED...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt. Seas around 2 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ235-301800-
Rhode Island Sound-
105 AM EDT Sat May 30 2026

...STORM WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TONIGHT...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 4 ft. Wave Detail: SW 4 ft at 6 seconds and NE 1 foot
at 5 seconds. Patchy fog. Showers likely with isolated tstms.
.SAT...NW winds 20 to 25 kt with gusts up to 40 kt, becoming N
25 to 35 kt with gusts up to 50 kt in the afternoon. Seas 4 to
6 ft. Wave Detail: N 6 ft at 5 seconds and SW 4 ft at 7 seconds.
Showers likely in the afternoon.
.SAT NIGHT...N winds 25 to 30 kt with gusts up to 40 kt,
diminishing to 10 to 15 kt with gusts up to 25 kt after midnight.
Seas 3 to 5 ft, subsiding to 2 to 3 ft after midnight. Wave
Detail: N 5 ft at 5 seconds and S 1 foot at 7 seconds, becoming
NE 3 ft at 5 seconds and NW 2 ft at 4 seconds.
.SUN...NW winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 3 seconds and SE 2 ft at 11 seconds.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail:
SW 3 ft at 4 seconds and SE 2 ft at 10 seconds.
.MON AND MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: SW 2 ft at 6 seconds and SE 2 ft at 11 seconds. A chance
of showers.
.TUE...NE winds 10 to 15 kt. Seas 2 to 4 ft.
.TUE NIGHT AND WED...NE winds 10 to 15 kt, increasing to 15 to
20 kt. Seas 3 to 4 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt. Seas 2 to 4 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ237-301800-
Block Island Sound-
105 AM EDT Sat May 30 2026

...STORM WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt.
Seas 3 to 4 ft. Wave Detail: SW 4 ft at 6 seconds and NE 1 foot
at 5 seconds. A chance of showers.
.SAT...NW winds 20 to 25 kt with gusts up to 40 kt, becoming N
25 to 30 kt with gusts up to 50 kt in the afternoon. Seas 3 to
5 ft. Wave Detail: N 5 ft at 6 seconds and S 3 ft at 7 seconds. A
chance of showers in the afternoon.
.SAT NIGHT...N winds 20 to 25 kt with gusts up to 40 kt, becoming
NW 5 to 10 kt with gusts up to 25 kt after midnight. Seas 3 to
5 ft, subsiding to 2 to 3 ft after midnight. Wave Detail: N 5 ft
at 6 seconds and S 1 foot at 7 seconds, becoming NW 2 ft at
4 seconds and NE 2 ft at 5 seconds.
.SUN...NW winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and
E 2 ft at 10 seconds.
.SUN NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E
2 ft at 10 seconds.
.MON AND MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: SW 2 ft at 5 seconds and E 2 ft at 10 seconds. A chance
of showers.
.TUE...NE winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE NIGHT AND WED...NE winds 5 to 10 kt, increasing to 10 to
15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of
showers.
.WED NIGHT...N 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.

$$

ANZ230-301800-
Boston Harbor-
105 AM EDT Sat May 30 2026

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft. Showers with a slight chance of tstms.
.SAT...N winds 25 to 30 kt with gusts up to 50 kt. Waves around
2 ft, except 4 to 6 ft at the outer harbor entrance. Patchy fog.
Showers. Vsby 1 to 3 NM.
.SAT NIGHT...N winds 20 to 25 kt with gusts up to 30 kt, becoming
NW 5 to 10 kt after midnight. Waves around 2 ft in the evening,
then 1 foot or less. At the outer harbor entrance, waves 3 to
5 ft.
.SUN...NW winds 5 to 10 kt, becoming NE in the afternoon. Waves
1 foot or less, except 2 to 4 ft at the outer harbor entrance. A
chance of showers in the afternoon.
.SUN NIGHT...S winds 5 to 10 kt, becoming SW after midnight.
Waves 1 foot or less. A chance of showers.
.MON AND MON NIGHT...NE winds 10 to 15 kt. Waves around 2 ft. A
chance of showers.
.TUE THROUGH WED...NE winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft. A chance of showers.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 foot or less.

Winds and waves higher in and near tstms.

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.

$$

ANZ236-301800-
Narragansett Bay-
105 AM EDT Sat May 30 2026

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TONIGHT...W winds around 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft. Showers likely with isolated tstms.
.SAT...NW winds 20 to 25 kt, becoming N 25 to 30 kt in the
afternoon. Gusts up to 45 kt. Waves 2 to 3 ft. Patchy fog in the
afternoon. Showers likely in the afternoon with vsby 1 to 3 NM.
.SAT NIGHT...N winds 20 to 25 kt with gusts up to 35 kt, becoming
NW 5 to 10 kt with gusts up to 20 kt after midnight. Waves 2 to
3 ft.
.SUN...NW winds 5 to 10 kt, becoming W in the afternoon. Waves
1 foot or less, then around 2 ft in the afternoon.
.SUN NIGHT...W winds 5 to 10 kt. Waves around 2 ft.
.MON AND MON NIGHT...NE winds 5 to 10 kt. Waves around 2 ft. A
chance of showers in the morning, then showers likely through the
night.
.TUE THROUGH WED...NE winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft. A chance of showers.
.WED NIGHT...N winds 5 to 10 kt. Waves 2 to 3 ft.

Winds and waves higher in and near tstms.

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.

$$

ANZ280-301800-
Ocean Waters from the Merrimack River to Plymouth from 40 to
60 NM-
105 AM EDT Sat May 30 2026

...STORM WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TONIGHT...SE winds 25 to 30 kt with gusts up to 40 kt.
Seas 5 to 7 ft. Wave Detail: S 7 ft at 6 seconds and E 2 ft at
9 seconds. Patchy fog. Showers with a chance of tstms. Vsby 1 to
3 NM.
.SAT...NE winds 25 to 30 kt with gusts up to 45 kt. Seas 7 to
10 ft, building to 10 to 12 ft in the afternoon. Wave Detail: E
10 ft at 9 seconds and E 9 ft at 7 seconds, becoming NE 12 ft at
8 seconds and NW 3 ft at 6 seconds. Patchy fog. Showers. A chance
of tstms in the morning. Vsby 1 to 3 NM.
.SAT NIGHT...NE winds 25 to 30 kt with gusts up to 35 kt,
becoming N 15 to 20 kt with gusts up to 25 kt after midnight.
Seas 9 to 12 ft, subsiding to 7 to 9 ft after midnight. Wave
Detail: NE 12 ft at 9 seconds and N 6 ft at 4 seconds, becoming
NE 8 ft at 9 seconds and N 3 ft at 4 seconds. A chance of showers
in the evening.
.SUN...N winds 10 to 15 kt with gusts up to 20 kt, becoming W
around 5 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: E 6 ft
at 9 seconds and N 3 ft at 5 seconds.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: E
5 ft at 5 seconds and E 4 ft at 9 seconds. Showers likely after
midnight.
.MON...SE winds 5 to 10 kt, becoming E in the afternoon. Seas
3 to 4 ft. Wave Detail: E 3 ft at 9 seconds and E 2 ft at
6 seconds. Showers likely, mainly in the morning.
.MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...NE winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers.
.TUE NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
5 to 7 ft. A chance of showers.
.WED...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to
9 ft. A chance of showers.
.WED NIGHT...N winds around 10 kt. Seas 5 to 7 ft. A chance of
showers.

Winds and seas higher in and near tstms.

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.

$$

ANZ281-301800-
Ocean Waters from Provincetown to Nantucket from 20 to 60 NM-
105 AM EDT Sat May 30 2026

...STORM WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TONIGHT...SE winds 20 to 25 kt with gusts up to 30 kt.
Seas 4 to 5 ft. Wave Detail: S 4 ft at 6 seconds and E 3 ft at
5 seconds. Patchy fog. Showers with a chance of tstms.
.SAT...SE winds 20 to 25 kt with gusts up to 35 kt, becoming N
30 to 35 kt with gusts up to 45 kt in the afternoon. Seas 5 to
7 ft, building to 8 to 11 ft in the afternoon. Wave Detail: SW
5 ft at 7 seconds and NE 3 ft at 10 seconds, becoming NE 11 ft at
10 seconds and N 8 ft at 7 seconds. Patchy fog. A chance of
showers in the morning. Showers in the afternoon. Vsby 1 to 3 NM.
.SAT NIGHT...N winds 25 to 30 kt with gusts up to 45 kt,
diminishing to 20 to 25 kt with gusts up to 30 kt after midnight.
Seas 10 to 13 ft, subsiding to 8 to 11 ft after midnight. Wave
Detail: NE 13 ft at 9 seconds and N 12 ft at 7 seconds, becoming
NE 11 ft at 9 seconds and N 5 ft at 6 seconds. Patchy fog in the
evening. Showers in the evening with vsby 1 to 3 NM.
.SUN...N winds 15 to 20 kt, becoming NW 5 to 10 kt in the
afternoon. Seas 6 to 9 ft. Wave Detail: NE 9 ft at 10 seconds and
NE 5 ft at 6 seconds.
.SUN NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 4 to 6 ft. Wave Detail: E 6 ft at 9 seconds and E
4 ft at 5 seconds. A chance of showers after midnight.
.MON AND MON NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 ft. Wave
Detail: E 4 ft at 9 seconds and E 2 ft at 5 seconds. A chance of
showers through the day. A chance of showers after midnight.
.TUE...NE winds 5 to 10 kt. Seas 5 to 7 ft. A chance of showers.
.TUE NIGHT AND WED...NE winds 10 to 15 kt, increasing to 15 to
20 kt. Seas 6 to 9 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
5 to 7 ft. A chance of showers.

Winds and seas higher in and near tstms.

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.

$$

ANZ282-301800-
Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM-
105 AM EDT Sat May 30 2026

...STORM WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt.
Seas 5 to 7 ft. Wave Detail: SW 6 ft at 7 seconds and NE 3 ft at
9 seconds. Patchy fog. Showers likely with a slight chance of
tstms.
.SAT...W winds 15 to 20 kt with gusts up to 25 kt, becoming NW
30 to 35 kt with gusts up to 45 kt in the afternoon. Seas 5 to
6 ft, building to 6 to 9 ft in the afternoon. Wave Detail: SW
6 ft at 7 seconds and NE 3 ft at 9 seconds, becoming W 9 ft at
7 seconds and N 6 ft at 5 seconds. A chance of showers in the
morning. Showers in the afternoon. Patchy fog in the afternoon
with vsby 1 to 3 NM.
.SAT NIGHT...N winds 25 to 35 kt with gusts up to 45 kt,
diminishing to 20 to 25 kt with gusts up to 35 kt after midnight.
Seas 9 to 12 ft. Wave Detail: NE 10 ft at 10 seconds and N 8 ft
at 7 seconds. Patchy fog in the evening. Showers in the evening
with vsby 1 to 3 NM.
.SUN...N winds 15 to 20 kt with gusts up to 25 kt, becoming W
around 10 kt in the afternoon. Seas 6 to 9 ft. Wave Detail: NE
9 ft at 10 seconds and N 3 ft at 6 seconds.
.SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 5 to 6 ft. Wave Detail: E 6 ft at 10 seconds and
SW 3 ft at 6 seconds.
.MON AND MON NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 5 to 7 ft. Wave Detail: E 5 ft at 9 seconds and SW 3 ft at
6 seconds. A chance of showers.
.TUE THROUGH WED NIGHT...N winds 15 to 20 kt with gusts up to
25 kt. Seas 5 to 8 ft. A chance of showers.

Winds and seas higher in and near tstms.

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.

$$

ANZ283-301800-
Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM-
105 AM EDT Sat May 30 2026

...STORM WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt.
Seas 5 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and E 2 ft at
8 seconds. A chance of showers with isolated tstms.
.SAT...NW winds around 20 kt with gusts up to 35 kt, becoming N
25 to 35 kt with gusts up to 50 kt in the afternoon. Seas 6 to
7 ft, building to 8 to 11 ft in the afternoon. Wave Detail: W
7 ft at 7 seconds and NE 2 ft at 5 seconds, becoming N 10 ft at
7 seconds and E 6 ft at 9 seconds. A chance of showers in the
afternoon.
.SAT NIGHT...N winds 25 to 35 kt with gusts up to 45 kt,
diminishing to 20 to 25 kt with gusts up to 30 kt after midnight.
Seas 8 to 11 ft, subsiding to 6 to 9 ft after midnight. Wave
Detail: N 10 ft at 7 seconds and NE 9 ft at 9 seconds, becoming
NE 8 ft at 9 seconds and N 7 ft at 7 seconds. A chance of showers
in the evening.
.SUN...NW winds 15 to 20 kt, becoming W 10 to 15 kt in the
afternoon. Seas 5 to 7 ft. Wave Detail: E 6 ft at 11 seconds and
NW 5 ft at 6 seconds.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
5 to 6 ft. Wave Detail: E 5 ft at 10 seconds and W 3 ft at
4 seconds.
.MON AND MON NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 4 to 6 ft. Wave Detail: SW 4 ft at 6 seconds and E 4 ft at
9 seconds. A chance of showers.
.TUE...NE winds around 10 kt. Seas 5 to 7 ft.
.TUE NIGHT AND WED...NE winds 10 to 15 kt, becoming N 15 to
20 kt. Seas 5 to 7 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft.

Winds and seas higher in and near tstms.

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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