031
FZUS51 KBOX 180204
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1003 PM EDT Sat May 17 2025

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

ANZ200-181500-
1003 PM EDT Sat May 17 2025

.Synopsis for Massachusetts and Rhode Island coastal waters...
Showers and storms form inland this afternoon and move out over the
waters this evening. More showers possible Sun afternoon, but not a
strong as Sat. Low pressure slowly pivots away from the region
Monday, but there could still be some lingering showers.

$$

ANZ250-181500-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1003 PM EDT Sat May 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE SUNDAY NIGHT THROUGH
MONDAY EVENING...

.OVERNIGHT...S winds 10 to 15 kt, becoming SW. Gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds and S 1 foot at
3 seconds. Patchy fog. A slight chance of showers and tstms. Some
tstms may produce small hail and frequent lightning. Vsby 1 NM or
less.
.SUN...W winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at
6 seconds.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt,
increasing to 15 to 20 kt with gusts up to 30 kt after midnight.
Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and SE 2 ft at
8 seconds. Scattered showers in the evening.
.MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
4 ft. Wave Detail: NW 4 ft at 4 seconds and SE 2 ft at 8 seconds.
.MON NIGHT...NW winds around 15 kt with gusts up to 25 kt. Seas
3 to 4 ft. Wave Detail: NW 3 ft at 4 seconds and NE 2 ft at
7 seconds.
.TUE AND TUE NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 5 ft. Wave Detail: N 3 ft at 6 seconds and SE 1 foot at
9 seconds.
.WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 7 ft. Showers likely.
.THU AND THU NIGHT...E winds 20 to 25 kt, becoming NE 15 to
20 kt. Gusts up to 30 kt. Seas 7 to 10 ft. Showers likely. Vsby
1 to 3 NM.

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.

$$

ANZ251-181500-
Massachusetts Bay and Ipswich Bay-
1003 PM EDT Sat May 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE SUNDAY NIGHT THROUGH
MONDAY EVENING...

.OVERNIGHT...S winds around 10 kt, becoming W. Seas around 2 ft.
Wave Detail: SE 2 ft at 4 seconds and SE 1 foot at 8 seconds.
Patchy fog. A slight chance of showers and tstms. Some tstms may
produce small hail and frequent lightning. Vsby 1 to 3 NM,
decreasing to 1 NM or less.
.SUN...W winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: W 1 foot at 3 seconds and SE
1 foot at 6 seconds. A chance of showers in the afternoon.
.SUN NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft
at 3 seconds and E 1 foot at 5 seconds.
.MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
3 ft. Wave Detail: NW 3 ft at 4 seconds and NE 1 foot at
5 seconds.
.MON NIGHT...NW winds around 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. Wave Detail: N 2 ft at 5 seconds and SE 1 foot at
9 seconds.
.TUE AND TUE NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds and NW 2 ft at
3 seconds.
.WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. Showers likely.
.THU AND THU NIGHT...E winds 20 to 25 kt, becoming NE 15 to
20 kt. Gusts up to 30 kt. Seas 6 to 9 ft. Showers likely. Vsby
1 to 3 NM.

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.

$$

ANZ231-181500-
Cape Cod Bay-
1003 PM EDT Sat May 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE SUNDAY NIGHT THROUGH
MONDAY EVENING...

.OVERNIGHT...S winds around 10 kt, becoming SW. Seas around 2 ft.
Wave Detail: S 1 foot at 4 seconds and SE 1 foot at 7 seconds.
Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM.
.SUN...W winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds and W 1 foot
at 3 seconds. A chance of showers in the afternoon.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and S 2 ft at
8 seconds. Scattered showers in the evening.
.MON...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: NW
3 ft at 4 seconds and S 1 foot at 8 seconds.
.MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: N 3 ft at 5 seconds and SE 1 foot at
8 seconds.
.TUE AND TUE NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds and SE 1 foot at
9 seconds.
.WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. Showers likely.
.THU AND THU NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt.
Seas 5 to 8 ft. Showers likely. 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.

$$

ANZ254-181500-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1003 PM EDT Sat May 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SUNDAY THROUGH
MONDAY EVENING...

.OVERNIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: S 3 ft at 7 seconds and S 2 ft at 4 seconds.
Patchy fog. Vsby 1 NM or less.
.SUN...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft, building to 3 to
5 ft in the afternoon. Wave Detail: S 3 ft at 7 seconds and W
1 foot at 3 seconds, becoming S 4 ft at 7 seconds and W 1 foot at
4 seconds. Patchy fog in the morning with vsby 1 to 3 NM.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. Wave Detail: S 4 ft at 8 seconds and W 2 ft at
4 seconds. Scattered showers in the evening.
.MON...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: NW
3 ft at 4 seconds and S 3 ft at 8 seconds.
.MON NIGHT THROUGH TUE NIGHT...NE winds 10 to 15 kt with gusts up
to 20 kt. Seas 3 to 5 ft. Wave Detail: N 4 ft at 6 seconds and S
2 ft at 8 seconds.
.WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Wave Detail: NE 4 ft at 7 seconds and W 1 foot at
4 seconds.
.WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 7 ft. Showers likely.
.THU...E winds 15 to 20 kt with gusts up to 30 kt. Seas 7 to
10 ft. Showers likely. Vsby 1 to 3 NM.
.THU NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
8 to 10 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.

$$

ANZ255-181500-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1003 PM EDT Sat May 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SUNDAY THROUGH
MONDAY EVENING...

.OVERNIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: S 4 ft at 6 seconds and SW 1 foot at
3 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to
3 NM.
.SUN...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW
5 ft at 7 seconds and W 2 ft at 4 seconds.
.SUN NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and W 1 foot at
4 seconds.
.MON...NW winds 15 to 20 kt with gusts up to 30 kt, diminishing
to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to
5 ft. Wave Detail: SW 5 ft at 8 seconds and W 4 ft at 7 seconds.
.MON NIGHT THROUGH TUE NIGHT...NE winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 7 seconds and
NE 2 ft at 6 seconds.
.WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Wave Detail: NE 3 ft at 4 seconds and SW 1 foot at
6 seconds. A chance of showers.
.WED NIGHT...E winds 20 to 25 kt. Seas 4 to 6 ft. Showers likely.
Vsby 1 to 3 NM.
.THU...E winds 20 to 25 kt. Seas 6 to 9 ft. Showers likely. Vsby
1 to 3 NM.
.THU NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
6 to 9 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.

$$

ANZ256-181500-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1003 PM EDT Sat May 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SUNDAY THROUGH
MONDAY EVENING...

.OVERNIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: S 4 ft at 7 seconds. Patchy fog.
.SUN...W winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft
at 7 seconds and W 1 foot at 3 seconds.
.SUN NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 6 ft. Wave Detail: SW 5 ft at 8 seconds and NW 4 ft at
5 seconds.
.MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: NW 5 ft at 6 seconds and S 4 ft at 8 seconds.
.MON NIGHT...NW winds around 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: NW 3 ft at 5 seconds and S 2 ft at
8 seconds.
.TUE AND TUE NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: N 3 ft at 4 seconds and S 1 foot at
8 seconds.
.WED...E winds 15 to 20 kt. Seas 2 to 4 ft. A chance of showers.
.WED NIGHT...E winds 20 to 25 kt. Seas 5 to 7 ft. Showers likely.
Vsby 1 to 3 NM.
.THU...E winds 20 to 25 kt. Seas 7 to 9 ft. Showers likely. Vsby
1 to 3 NM.
.THU NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
6 to 9 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.

$$

ANZ232-181500-
Nantucket Sound-
1003 PM EDT Sat May 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SUNDAY THROUGH
MONDAY EVENING...

.OVERNIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 3 seconds and SE 2 ft at 6 seconds. Patchy fog. Vsby
1 NM or less, increasing to 1 to 3 NM.
.SUN...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW
3 ft at 4 seconds and SE 2 ft at 6 seconds.
.SUN NIGHT...W winds around 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and S 2 ft at
8 seconds.
.MON...NW winds 10 to 15 kt. Gusts up to 30 kt, decreasing to
20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at
4 seconds and NE 1 foot at 5 seconds.
.MON NIGHT THROUGH TUE NIGHT...NE winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 3 seconds and S
1 foot at 8 seconds.
.WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: NE 2 ft at 3 seconds and SE 1 foot at
9 seconds. A chance of showers.
.WED NIGHT...E winds 20 to 25 kt. Seas 3 to 5 ft. Showers likely.
Vsby 1 to 3 NM.
.THU AND THU NIGHT...E winds 20 to 25 kt, becoming NE 15 to
20 kt. Seas 4 to 6 ft. Showers likely. 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.

$$

ANZ233-181500-
Vineyard Sound-
1003 PM EDT Sat May 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SUNDAY THROUGH
MONDAY EVENING...

.OVERNIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
S 2 ft at 7 seconds and S 1 foot at 4 seconds. Patchy fog. Vsby
1 to 3 NM.
.SUN...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW
4 ft at 6 seconds.
.SUN NIGHT...W winds around 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Wave Detail: SW 4 ft at 8 seconds and W 2 ft at
5 seconds.
.MON...NW winds 10 to 15 kt. Gusts up to 30 kt, decreasing to
20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at
8 seconds and N 2 ft at 5 seconds.
.MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: N 2 ft at 6 seconds and S 1 foot at
8 seconds.
.TUE AND TUE NIGHT...NE winds 10 to 15 kt. Seas around 2 ft. Wave
Detail: N 2 ft at 5 seconds and S 1 foot at 8 seconds.
.WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.WED NIGHT...E winds 20 to 25 kt. Seas 2 to 4 ft. Showers likely.
Vsby 1 to 3 NM.
.THU AND THU NIGHT...E winds 20 to 25 kt, becoming NE 15 to
20 kt. Seas 3 to 5 ft. Showers likely. 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.

$$

ANZ234-181500-
Buzzards Bay-
1003 PM EDT Sat May 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SUNDAY THROUGH
MONDAY EVENING...

.OVERNIGHT...SW winds around 10 kt. Seas around 2 ft. Wave
Detail: S 2 ft at 5 seconds. Patchy fog. Vsby 1 to 3 NM.
.SUN...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW
3 ft at 6 seconds and E 1 foot at 5 seconds.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and W 2 ft at
5 seconds.
.MON...NW winds around 15 kt. Gusts up to 30 kt, decreasing to
20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: N 2 ft at
5 seconds and SW 2 ft at 8 seconds.
.MON NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: N 2 ft at 5 seconds and S
1 foot at 8 seconds.
.TUE AND TUE NIGHT...NE winds 10 to 15 kt. Seas around 2 ft. Wave
Detail: N 2 ft at 4 seconds and S 1 foot at 8 seconds.
.WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.WED NIGHT...E winds 20 to 25 kt. Seas 3 to 5 ft. Showers likely.
Vsby 1 to 3 NM.
.THU AND THU NIGHT...E winds 20 to 25 kt, becoming NE 15 to
20 kt. Seas 3 to 5 ft. Showers likely. 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.

$$

ANZ235-181500-
Rhode Island Sound-
1003 PM EDT Sat May 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SUNDAY THROUGH
MONDAY EVENING...

.OVERNIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SW 1 foot at
4 seconds. Patchy fog. Vsby 1 to 3 NM.
.SUN...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: S 4 ft at 7 seconds and W 2 ft at 4 seconds.
.SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. Wave Detail: S 5 ft at 8 seconds and W 2 ft at
4 seconds.
.MON...NW winds 15 to 20 kt. Gusts up to 30 kt, decreasing to
20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 4 ft at
8 seconds and NW 3 ft at 4 seconds.
.MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: N 3 ft at 4 seconds and S 2 ft at
8 seconds.
.TUE AND TUE NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: N 2 ft at 3 seconds and S 1 foot
at 8 seconds.
.WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.WED NIGHT...E winds 20 to 25 kt. Seas 4 to 6 ft. Showers likely.
Vsby 1 to 3 NM.
.THU...NE winds 20 to 25 kt. Seas 5 to 7 ft. Showers likely. Vsby
1 to 3 NM.
.THU NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 7 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.

$$

ANZ237-181500-
Block Island Sound-
1003 PM EDT Sat May 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SUNDAY THROUGH
MONDAY EVENING...

.OVERNIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
3 ft at 7 seconds and SW 1 foot at 3 seconds.
.SUN...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: S 4 ft at 7 seconds and W 2 ft at 4 seconds.
.SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Wave Detail: S 4 ft at 8 seconds and W 2 ft at
4 seconds.
.MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Wave Detail: S 3 ft at 8 seconds and W 2 ft at 4 seconds.
.MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: N 2 ft at 3 seconds and S 1 foot at
8 seconds.
.TUE AND TUE NIGHT...NE winds 10 to 15 kt. Seas around 2 ft. Wave
Detail: N 2 ft at 3 seconds and S 1 foot at 8 seconds.
.WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.WED NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. Showers likely. Vsby 1 to 3 NM.
.THU...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
7 ft. Showers likely. Vsby 1 to 3 NM.
.THU NIGHT...N winds around 15 kt with gusts up to 20 kt. Seas
5 to 7 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.

$$

ANZ230-181500-
Boston Harbor-
1003 PM EDT Sat May 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE SUNDAY NIGHT THROUGH
MONDAY EVENING...

.OVERNIGHT...SW winds 5 to 10 kt, becoming W. Waves 1 foot or
less. Patchy fog. A slight chance of showers and tstms. Some
tstms may produce small hail and frequent lightning. Vsby 1 to
3 NM.
.SUN...W winds 10 to 15 kt with gusts up to 20 kt. Waves 1 foot
or less, then around 2 ft in the afternoon. A chance of showers
in the afternoon.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves
around 2 ft.
.MON...NW winds 15 to 20 kt with gusts up to 30 kt. Waves around
2 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves
around 2 ft.
.TUE AND TUE NIGHT...NE winds 10 to 15 kt. Waves around 2 ft.
.WED...E winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. A chance of showers.
.WED NIGHT THROUGH THU NIGHT...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 likely. Vsby 1 to 3 NM.

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.

$$

ANZ236-181500-
Narragansett Bay-
1003 PM EDT Sat May 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE SUNDAY NIGHT THROUGH
MONDAY EVENING...

.OVERNIGHT...SW winds 5 to 10 kt, becoming W. Waves around 2 ft.
Patchy fog. A slight chance of showers and tstms. Some tstms may
produce small hail and frequent lightning. Vsby 1 to 3 NM.
.SUN...W winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves
2 to 3 ft.
.MON...NW winds 10 to 15 kt with gusts up to 30 kt. Waves 2 to
3 ft.
.MON NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves 2 to 3 ft.
.TUE AND TUE NIGHT...NE winds 5 to 10 kt. Waves around 2 ft.
.WED...E winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. A chance of showers.
.WED NIGHT...E winds 15 to 20 kt. Waves 2 to 3 ft, except 4 to
6 ft at the bay entrance. Showers likely. Vsby 1 to 3 NM.
.THU AND THU NIGHT...NE winds 15 to 20 kt, becoming N 10 to
15 kt. Gusts up to 25 kt. Waves 2 to 3 ft, except 4 to 6 ft at
the bay entrance. Showers likely. Vsby 1 to 3 NM.

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.

$$

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