fzus51 kbox 130205
cwfbox
expires:202605131500;;464820

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt tue may 12 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz231-131500-
cape cod bay-
1005 pm edt tue may 12 2026

...small craft advisory in effect from wednesday morning through
wednesday evening...

.overnight...sw winds 10 to 15 kt, diminishing to 5 to 10 kt.
gusts up to 20 kt. seas 1 foot or less. wave detail: sw 1 foot at
3 seconds and n 1 foot at 4 seconds. 
.wed...s winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: sw 2 ft at 3 seconds and n 1 foot at
4 seconds. 
.wed night...s winds 10 to 15 kt with gusts up to 25 kt. seas
around 3 ft. wave detail: sw 2 ft at 3 seconds and ne 1 foot at
4 seconds. 
.thu...se winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: se 2 ft at 3 seconds and e 2 ft at 7 seconds.
showers.
.thu night...e winds 5 to 10 kt. seas around 2 ft. wave detail: e
2 ft at 4 seconds and e 1 foot at 10 seconds. showers.
.fri...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 e 2 ft at 10 seconds.
a chance of showers. 
.fri night...n winds 5 to 10 kt, becoming w after midnight. seas
2 to 3 ft. 
.sat through sun night...nw winds 10 to 15 kt with gusts up to
25 kt. seas 2 to 3 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.

$$

fzus51 kbox 130205
cwfbox
expires:202605131500;;464824

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt tue may 12 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz232-131500-
nantucket sound-
1005 pm edt tue may 12 2026

...small craft advisory in effect from wednesday morning through
wednesday evening...

.overnight...sw winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: sw 2 ft at 3 seconds and ne 1 foot at
3 seconds. 
.wed...sw winds 10 to 15 kt, becoming s 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 n 1 foot at 5 seconds. 
.wed night...s winds 15 to 20 kt with gusts up to 25 kt. seas
around 3 ft. wave detail: s 3 ft at 4 seconds and ne 1 foot at
5 seconds. 
.thu...se winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: se 3 ft at 5 seconds and
se 1 foot at 11 seconds. showers.
.thu night...e winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 5 seconds and e 1 foot at 12 seconds. showers.
.fri...n winds 10 to 15 kt. seas 2 to 3 ft. wave detail: e 3 ft
at 11 seconds and n 2 ft at 4 seconds. a chance of showers. 
.fri night...nw winds 10 to 15 kt, becoming w 5 to 10 kt after
midnight. seas 2 to 3 ft. 
.sat through sun night...nw winds 15 to 20 kt with gusts up to
25 kt. seas 2 to 3 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.

$$

fzus51 kbox 130205
cwfbox
expires:202605131500;;464825

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt tue may 12 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz233-131500-
vineyard sound-
1005 pm edt tue may 12 2026

...small craft advisory in effect from wednesday morning through
wednesday evening...

.overnight...sw winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: sw 2 ft at 4 seconds and ne 1 foot at
3 seconds. 
.wed...sw winds 10 to 15 kt, becoming s 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: sw
4 ft at 5 seconds and n 1 foot at 7 seconds. 
.wed night...s winds 15 to 20 kt with gusts up to 25 kt. seas
around 3 ft. wave detail: se 3 ft at 6 seconds and sw 2 ft at
4 seconds. 
.thu...se winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: se 3 ft at 6 seconds and
se 1 foot at 11 seconds. showers. patchy fog in the morning. 
.thu night...e winds 5 to 10 kt, becoming ne after midnight. seas
around 2 ft. wave detail: s 2 ft at 7 seconds and e 1 foot at
4 seconds. showers.
.fri...n winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: se
3 ft at 10 seconds and n 2 ft at 3 seconds. a chance of showers. 
.fri night...nw winds 5 to 10 kt. seas 2 to 3 ft. 
.sat through sun night...nw winds 15 to 20 kt with gusts up to
25 kt. seas 2 to 3 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.

$$

fzus51 kbox 130205
cwfbox
expires:202605131500;;464826

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt tue may 12 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz234-131500-
buzzards bay-
1005 pm edt tue may 12 2026

...small craft advisory in effect from wednesday morning through
wednesday evening...

.overnight...sw winds 10 to 15 kt with gusts up to 20 kt. seas
1 foot or less. wave detail: ne 1 foot at 3 seconds and sw 1 foot
at 4 seconds. 
.wed...sw winds 10 to 15 kt, becoming s 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 3 ft
at 5 seconds and n 1 foot at 7 seconds. 
.wed night...s winds 15 to 20 kt with gusts up to 25 kt. seas
around 3 ft. wave detail: se 3 ft at 6 seconds and sw 2 ft at
3 seconds. 
.thu...se winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: se 3 ft at 5 seconds and se 1 foot at
11 seconds. showers.
.thu night...e winds 5 to 10 kt, becoming ne after midnight. seas
around 2 ft. wave detail: s 2 ft at 7 seconds and e 1 foot at
3 seconds. showers.
.fri...n winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas around 2 ft. wave detail: n 2 ft at 3 seconds and se 2 ft at
10 seconds. a chance of showers. 
.fri night...nw winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. 
.sat through sun night...nw winds 15 to 20 kt with gusts up to
25 kt. seas 2 to 3 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.

$$

fzus51 kbox 130205
cwfbox
expires:202605131500;;464827

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt tue may 12 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz235-131500-
rhode island sound-
1005 pm edt tue may 12 2026

...small craft advisory in effect from wednesday morning through
wednesday evening...

.overnight...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: sw 3 ft at 4 seconds and se 2 ft at
7 seconds. 
.wed...s winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 4 ft
at 6 seconds and w 1 foot at 4 seconds. 
.wed night...s 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 e 2 ft at
6 seconds. 
.thu...se winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas around 3 ft. wave detail: se 3 ft at 6 seconds
and se 1 foot at 10 seconds. showers. patchy fog in the morning. 
.thu night...e winds 5 to 10 kt, becoming ne after midnight. seas
around 3 ft. wave detail: se 3 ft at 7 seconds and s 3 ft at
8 seconds. showers.
.fri...n winds 10 to 15 kt. seas 3 to 4 ft. wave detail: se 4 ft
at 11 seconds and ne 2 ft at 3 seconds. a chance of showers. 
.fri night...nw winds 5 to 10 kt, becoming w after midnight. seas
2 to 4 ft. 
.sat through sun night...nw winds 15 to 20 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.

$$

fzus51 kbox 130205
cwfbox
expires:202605131500;;464830

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt tue may 12 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz236-131500-
narragansett bay-
1005 pm edt tue may 12 2026

...small craft advisory in effect from wednesday morning through
wednesday evening...

.overnight...sw winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt. waves around 2 ft. 
.wed...s winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 25 kt. waves 2 to 3 ft. 
.wed night...s winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 4 ft. 
.thu...se winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. showers. patchy fog in the morning. 
.thu night...e winds 5 to 10 kt, becoming ne after midnight.
waves 2 to 3 ft. showers.
.fri...n winds 10 to 15 kt. waves 2 to 3 ft. showers likely. 
.fri night...nw winds 5 to 10 kt, becoming w after midnight.
waves 2 to 3 ft. 
.sat through sun night...nw winds 10 to 15 kt with gusts up to
20 kt. waves 2 to 3 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.

$$

fzus51 kbox 130205
cwfbox
expires:202605131500;;464818

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt tue may 12 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz250-131500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1005 pm edt tue may 12 2026

...small craft advisory in effect from wednesday morning through
wednesday evening...

.overnight...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
2 ft at 7 seconds and sw 1 foot at 3 seconds. 
.wed...sw winds 5 to 10 kt, becoming s 15 to 20 kt with gusts up
to 30 kt in the afternoon. seas 2 to 4 ft. wave detail: sw 4 ft
at 4 seconds and ne 3 ft at 4 seconds. 
.wed night...s winds 15 to 20 kt. gusts up to 30 kt, decreasing
to 20 kt after midnight. seas 3 to 4 ft. wave detail: s 4 ft at
5 seconds and e 1 foot at 4 seconds. 
.thu...se winds 10 to 15 kt with gusts up to 25 kt. seas around
3 ft. wave detail: se 3 ft at 6 seconds and sw 1 foot at
3 seconds. a chance of showers in the morning, then showers in
the afternoon. patchy fog in the morning with vsby 1 nm or less. 
.thu night and fri...ne winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 4 ft. wave detail: e 4 ft at 10 seconds and e 3 ft at
5 seconds. showers.
.fri night...n winds 5 to 10 kt, becoming w after midnight. seas
3 to 4 ft. wave detail: e 4 ft at 10 seconds and s 4 ft at
10 seconds. 
.sat through sun night...nw winds 15 to 20 kt with gusts up to
25 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.

$$

fzus51 kbox 130205
cwfbox
expires:202605131500;;464821

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt tue may 12 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz254-131500-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1005 pm edt tue may 12 2026

...small craft advisory in effect from wednesday morning through
wednesday evening...

.overnight...sw winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 4 ft. wave detail: sw 2 ft at 4 seconds and se 2 ft at
7 seconds. 
.wed...s winds 10 to 15 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: sw 3 ft at 4 seconds and e 2 ft at 7 seconds. 
.wed night...s winds around 15 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: e 3 ft at 5 seconds and w 1 foot at
4 seconds. 
.thu...se winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. wave detail: se 4 ft at 6 seconds and e 1 foot at
11 seconds. a chance of showers in the morning, then showers in
the afternoon. 
.thu night...e winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 3 to 4 ft. wave detail: se 4 ft at 9 seconds and e
4 ft at 11 seconds. showers.
.fri...ne winds around 10 kt. seas 3 to 5 ft. wave detail: se
5 ft at 10 seconds and ne 1 foot at 2 seconds. a chance of
showers. 
.fri night...nw winds around 10 kt. seas 4 to 5 ft. 
.sat through sun night...nw winds 15 to 20 kt with gusts up to
25 kt. seas 3 to 5 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.

$$

fzus51 kbox 130205
cwfbox
expires:202605131500;;464822

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt tue may 12 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz255-131500-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1005 pm edt tue may 12 2026

...small craft advisory in effect from wednesday morning through
wednesday evening...

.overnight...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. wave detail: sw 3 ft at 5 seconds and e 2 ft at
7 seconds. 
.wed...sw winds 10 to 15 kt, becoming s 15 to 20 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: se
4 ft at 6 seconds and w 2 ft at 5 seconds. 
.wed night...s winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: w 4 ft at 5 seconds and e 4 ft at
6 seconds. 
.thu...se winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. seas 3 to 4 ft. wave detail: se 4 ft at 5 seconds and
e 3 ft at 4 seconds. showers.
.thu night...e winds 5 to 10 kt. seas 3 to 5 ft. wave detail: se
5 ft at 8 seconds and s 4 ft at 7 seconds. showers.
.fri...n winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 3 to 5 ft. wave detail: se 5 ft at 10 seconds and
nw 2 ft at 3 seconds. a chance of showers. 
.fri night...nw winds 10 to 15 kt. seas 3 to 5 ft.
.sat through sun night...nw winds 15 to 20 kt with gusts up to
25 kt. seas 3 to 5 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.

$$