fzus51 kbox 130505
cwfbox
expires:202605131800;;470771

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt wed may 13 2026

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


anz231-131800-
cape cod bay-
105 am edt wed may 13 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.rest of tonight...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 1 foot at 2 seconds and n 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 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.
patchy fog. showers. vsby 1 to 3 nm in the afternoon. 
.thu night...e winds 5 to 10 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: e 2 ft at 4 seconds and e
1 foot at 10 seconds. showers. patchy fog in the evening with
vsby 1 nm or less. 
.fri...ne winds 5 to 10 kt. seas around 2 ft. wave detail: n 2 ft
at 3 seconds and e 2 ft at 10 seconds. showers likely. 
.fri night...n winds 5 to 10 kt, becoming w after midnight. seas
2 to 3 ft. a chance of showers in the evening. 
.sat and sat night...sw winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.sun and sun night...w winds 5 to 10 kt. seas around 2 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 130505
cwfbox
expires:202605131800;;470775

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt wed may 13 2026

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


anz232-131800-
nantucket sound-
105 am edt wed may 13 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.rest of tonight...sw winds 10 to 15 kt. seas around 2 ft. wave
detail: sw 2 ft at 4 seconds and ne 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 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 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. patchy fog. showers. vsby 1 to 3 nm in the afternoon.
.thu night...se winds 10 to 15 kt, becoming e 5 to 10 kt after
midnight. seas 2 to 3 ft. wave detail: se 3 ft at 5 seconds and e
1 foot at 12 seconds. showers. patchy fog in the evening with
vsby 1 nm or less. 
.fri...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e 3 ft
at 11 seconds and n 2 ft at 4 seconds. showers likely, mainly in
the morning. 
.fri night...n winds 5 to 10 kt, becoming w after midnight. seas
2 to 3 ft. 
.sat through sun night...w 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 130505
cwfbox
expires:202605131800;;470776

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt wed may 13 2026

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


anz233-131800-
vineyard sound-
105 am edt wed may 13 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.rest of tonight...sw winds 10 to 15 kt. seas around 2 ft. wave
detail: sw 2 ft at 4 seconds and n 1 foot at 5 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: 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 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: se 3 ft at 6 seconds and se 1 foot at
11 seconds. patchy fog. showers. vsby 1 to 3 nm in the afternoon.
.thu night...e winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 7 seconds and e 1 foot at 4 seconds. showers. patchy fog
in the evening with vsby 1 to 3 nm. 
.fri...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 10 seconds and n 2 ft at 3 seconds. showers likely. 
.fri night...n winds 5 to 10 kt, becoming w after midnight. seas
2 to 3 ft. 
.sat and sat night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.sun and sun night...w winds 10 to 15 kt. gusts up to 20 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 130505
cwfbox
expires:202605131800;;470777

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt wed may 13 2026

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


anz234-131800-
buzzards bay-
105 am edt wed may 13 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.rest of tonight...sw winds 10 to 15 kt. seas around 2 ft. wave
detail: sw 2 ft at 4 seconds and ne 1 foot at 5 seconds. 
.wed...sw winds 10 to 15 kt with gusts up to 20 kt, becoming s
15 to 20 kt with gusts up to 30 kt in the afternoon. 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. patchy fog. showers. vsby 1 to 3 nm in the afternoon.
.thu night...e winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 7 seconds and e 1 foot at 3 seconds. showers. patchy fog
in the evening with vsby 1 to 3 nm. 
.fri...ne winds 5 to 10 kt. seas around 2 ft. wave detail: n 2 ft
at 3 seconds and se 2 ft at 10 seconds. showers likely. 
.fri night...n winds 5 to 10 kt, becoming w after midnight. seas
around 2 ft. 
.sat and sat night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.sun and sun night...w winds 10 to 15 kt. gusts up to 20 kt. seas
around 2 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 130505
cwfbox
expires:202605131800;;470778

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt wed may 13 2026

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


anz235-131800-
rhode island sound-
105 am edt wed may 13 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.rest of tonight...sw winds 10 to 15 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 10 to 15 kt with gusts up to 20 kt. seas around
3 ft. wave detail: se 3 ft at 6 seconds and se 1 foot at
10 seconds. patchy fog. showers. vsby 1 to 3 nm in the afternoon.
.thu night...se winds 5 to 10 kt. seas around 3 ft. wave detail:
se 3 ft at 7 seconds and s 3 ft at 8 seconds. showers likely.
patchy fog in the evening with vsby 1 to 3 nm. 
.fri...ne winds 5 to 10 kt. seas 3 to 4 ft. wave detail: se 4 ft
at 11 seconds and ne 2 ft at 3 seconds. showers likely. 
.fri night...n winds 5 to 10 kt, becoming w after midnight. seas
2 to 4 ft. 
.sat through sun night...sw 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 130505
cwfbox
expires:202605131800;;470781

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt wed may 13 2026

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


anz236-131800-
narragansett bay-
105 am edt wed may 13 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.rest of tonight...sw winds around 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, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. waves 2 to 4 ft. 
.thu...se winds 10 to 15 kt with gusts up to 20 kt, becoming e
5 to 10 kt in the afternoon. waves 2 to 3 ft. patchy fog.
showers. vsby 1 to 3 nm in the afternoon. 
.thu night...e winds 5 to 10 kt. waves 2 to 3 ft. a chance of
showers in the evening, then showers likely after midnight.
patchy fog in the evening with vsby 1 to 3 nm. 
.fri...n winds 5 to 10 kt. waves 2 to 3 ft. showers likely. 
.fri night...n winds 5 to 10 kt, becoming w after midnight. waves
2 to 3 ft. 
.sat through sun night...w 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 130505
cwfbox
expires:202605131800;;470769

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt wed may 13 2026

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


anz250-131800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
105 am edt wed may 13 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.rest of tonight...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...s winds 5 to 10 kt with gusts up to 20 kt, increasing to
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 around 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. patchy fog. a chance of showers in the morning, then
showers in the afternoon. vsby 1 to 3 nm, decreasing to 1 nm or
less in the afternoon. 
.thu night...e 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. patchy fog in the evening with vsby 1 nm or
less. 
.fri...ne winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 3 to 4 ft. wave detail: e 4 ft at 10 seconds and e 3 ft at
6 seconds. showers.
.fri night...n winds 5 to 10 kt, becoming w after midnight. seas
3 to 4 ft. a chance of showers in the evening. 
.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 130505
cwfbox
expires:202605131800;;470772

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt wed may 13 2026

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


anz254-131800-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
105 am edt wed may 13 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.rest of tonight...sw winds 10 to 15 kt. seas 3 to 4 ft. wave
detail: sw 2 ft at 4 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: 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 around 15 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: se 4 ft at 6 seconds and e 1 foot at
11 seconds. patchy fog. showers. vsby 1 to 3 nm, decreasing to
1 nm or less in the afternoon. 
.thu night...e winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 3 to 4 ft. wave
detail: se 4 ft at 9 seconds and e 4 ft at 11 seconds. showers.
patchy fog in the evening with vsby 1 nm or less. 
.fri...e winds 5 to 10 kt, becoming ne in the afternoon. seas
3 to 5 ft. wave detail: se 5 ft at 10 seconds and ne 1 foot at
2 seconds. showers likely. 
.fri night...n winds around 10 kt, becoming nw after midnight.
seas 4 to 5 ft. a chance of showers in the evening. 
.sat through sun night...w 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 130505
cwfbox
expires:202605131800;;470773

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt wed may 13 2026

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


anz255-131800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
105 am edt wed may 13 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.rest of tonight...sw winds 10 to 15 kt. seas 2 to 4 ft. wave
detail: sw 3 ft at 5 seconds and e 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: 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 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. wave detail: se 4 ft at 5 seconds and e 3 ft at 4 seconds.
patchy fog. showers. vsby 1 to 3 nm, decreasing to 1 nm or less
in the afternoon. 
.thu night...se 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. patchy fog in
the evening with vsby 1 nm or less. 
.fri...ne winds 5 to 10 kt, becoming n 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...n winds around 10 kt, becoming nw after midnight.
seas 3 to 5 ft. 
.sat through sun night...w 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.

$$