fzus51 kbox 260504
cwfbox
expires:202608261800;;370448

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt wed aug 26 2026

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


anz231-261800-
cape cod bay-
103 am edt wed aug 26 2026

.rest of tonight...w winds around 5 kt. seas 1 foot or less. wave
detail: w 1 foot at 2 seconds and e 1 foot at 6 seconds. 
.wed...nw winds around 5 kt, becoming e in the afternoon. seas
1 foot or less, then around 2 ft in the afternoon. wave detail:
nw 1 foot at 3 seconds and e 1 foot at 6 seconds. 
.wed night...s winds 5 to 10 kt. seas around 2 ft. wave detail: e
1 foot at 3 seconds and sw 1 foot at 3 seconds. 
.thu...s 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: sw
1 foot at 2 seconds and e 1 foot at 3 seconds. 
.thu night...s winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas around 2 ft. wave
detail: se 1 foot at 3 seconds and e 1 foot at 11 seconds. a
chance of showers after midnight. 
.fri...s winds 5 to 10 kt. seas around 2 ft. wave detail: se
1 foot at 3 seconds and e 1 foot at 10 seconds. a chance of
showers. 
.fri night...sw winds around 5 kt, becoming nw after midnight.
seas around 2 ft. 
.sat through sun night...sw 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 260504
cwfbox
expires:202608261800;;370452

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt wed aug 26 2026

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


anz232-261800-
nantucket sound-
103 am edt wed aug 26 2026

.rest of tonight...w winds 5 to 10 kt. seas around 2 ft. wave
detail: w 1 foot at 4 seconds and e 1 foot at 6 seconds. 
.wed...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: w 1 foot at 3 seconds and e 1 foot at
6 seconds. 
.wed night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 1 foot at 3 seconds and e 1 foot at 4 seconds. 
.thu...sw winds 5 to 10 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas around 2 ft. wave detail: s 2 ft
at 3 seconds and e 1 foot at 3 seconds. 
.thu night...s winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: se 2 ft at 3 seconds and
e 1 foot at 9 seconds. a chance of showers after midnight. 
.fri...s winds around 10 kt. seas around 2 ft. wave detail: se
2 ft at 4 seconds and e 1 foot at 9 seconds. a chance of showers
in the morning. 
.fri night...sw winds 5 to 10 kt, becoming nw 10 to 15 kt after
midnight. seas 2 to 3 ft. 
.sat through sun night...sw winds 10 to 15 kt with 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 260504
cwfbox
expires:202608261800;;370453

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt wed aug 26 2026

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


anz233-261800-
vineyard sound-
103 am edt wed aug 26 2026

.rest of tonight...nw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 5 seconds and se 1 foot at 6 seconds. 
.wed...nw winds around 5 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: sw 1 foot at 5 seconds and se 1 foot at
6 seconds. 
.wed night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 1 foot at 4 seconds and e 1 foot at 6 seconds. 
.thu...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas around 2 ft. wave detail: sw
2 ft at 4 seconds and ne 1 foot at 2 seconds. 
.thu night and fri...sw winds 10 to 15 kt. seas 2 to 3 ft. wave
detail: s 3 ft at 7 seconds and e 2 ft at 3 seconds. a chance of
showers. 
.fri night...sw winds 5 to 10 kt, becoming nw after midnight.
seas 2 to 3 ft. wave detail: sw 3 ft at 7 seconds and se 2 ft at
8 seconds. 
.sat through sun night...sw winds 10 to 15 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 260504
cwfbox
expires:202608261800;;370454

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt wed aug 26 2026

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


anz234-261800-
buzzards bay-
103 am edt wed aug 26 2026

.rest of tonight...nw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 1 foot at 5 seconds and se 1 foot at 7 seconds. 
.wed...nw winds around 5 kt, becoming sw in the afternoon. seas
1 foot or less, then around 2 ft in the afternoon. wave detail:
sw 1 foot at 5 seconds and se 1 foot at 7 seconds, becoming sw
1 foot at 4 seconds and e 1 foot at 6 seconds. 
.wed night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 1 foot at 4 seconds and se 1 foot at 8 seconds. 
.thu...s 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: sw
2 ft at 3 seconds and e 2 ft at 3 seconds. 
.thu night and fri...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: e 2 ft at 3 seconds and sw 2 ft at
5 seconds. a chance of showers through the day. 
.fri night...sw winds 5 to 10 kt, becoming nw after midnight.
seas around 2 ft. wave detail: sw 2 ft at 6 seconds and e 2 ft at
8 seconds. 
.sat through sun night...sw winds 10 to 15 kt with 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 260504
cwfbox
expires:202608261800;;370455

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt wed aug 26 2026

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


anz235-261800-
rhode island sound-
103 am edt wed aug 26 2026

.rest of tonight...nw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 5 seconds and se 1 foot at 6 seconds. 
.wed...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
around 2 ft. wave detail: sw 2 ft at 5 seconds and se 2 ft at
10 seconds. 
.wed night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw
2 ft at 4 seconds and se 2 ft at 9 seconds. 
.thu...s 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
2 ft at 3 seconds and s 2 ft at 7 seconds. 
.thu night and fri...sw 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 2 ft at
9 seconds. a chance of showers. 
.fri night...sw winds 5 to 10 kt, becoming nw 10 to 15 kt after
midnight. seas 2 to 4 ft. wave detail: s 4 ft at 7 seconds and se
1 foot at 3 seconds. 
.sat through sun night...sw winds 10 to 15 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 260504
cwfbox
expires:202608261800;;370458

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt wed aug 26 2026

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


anz236-261800-
narragansett bay-
103 am edt wed aug 26 2026

.rest of tonight...nw winds around 5 kt. waves around 2 ft. 
.wed...nw winds around 5 kt, becoming s in the afternoon. waves
1 foot or less, then around 2 ft in the afternoon. 
.wed night...sw winds 5 to 10 kt. waves around 2 ft. 
.thu...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. waves 2 to 3 ft. 
.thu night and fri...sw winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. a chance of showers. 
.fri night...sw winds 5 to 10 kt, becoming nw after midnight.
waves around 2 ft. 
.sat through sun night...sw winds 10 to 15 kt. waves 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 260504
cwfbox
expires:202608261800;;370446

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt wed aug 26 2026

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


anz250-261800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 am edt wed aug 26 2026

.rest of tonight...nw winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 6 seconds and w 1 foot at 3 seconds. 
.wed...nw winds 5 to 10 kt, becoming se in the afternoon. seas
2 to 3 ft. wave detail: se 3 ft at 9 seconds and w 1 foot at
3 seconds. 
.wed night...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 9 seconds and e 1 foot at 2 seconds. 
.thu...s winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: se
3 ft at 4 seconds and se 3 ft at 9 seconds. 
.thu night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. wave detail: s 3 ft at 4 seconds and e 3 ft at
9 seconds. a chance of showers after midnight. 
.fri...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 2 ft at
4 seconds and se 2 ft at 8 seconds. a chance of showers. 
.fri night...sw winds 5 to 10 kt, becoming nw 10 to 15 kt with
gusts up to 20 kt after midnight. seas 2 to 3 ft. 
.sat through sun night...sw winds 10 to 15 kt with 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 260504
cwfbox
expires:202608261800;;370449

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt wed aug 26 2026

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


anz254-261800-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
103 am edt wed aug 26 2026

.rest of tonight...w winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: w 2 ft at 5 seconds and se 1 foot at 6 seconds. 
.wed...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: se 3 ft at 9 seconds and nw 2 ft at
5 seconds. 
.wed night...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 9 seconds and e 1 foot at 2 seconds. 
.thu...s 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 9 seconds and s 2 ft at 4 seconds. 
.thu night...s winds 10 to 15 kt with gusts up to 20 kt. seas
around 3 ft. wave detail: s 3 ft at 4 seconds and se 3 ft at
9 seconds. a chance of showers after midnight. 
.fri...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 3 ft at
5 seconds and se 3 ft at 8 seconds. a chance of showers in the
morning. 
.fri night...sw winds 5 to 10 kt, becoming nw after midnight.
seas 2 to 4 ft. 
.sat and sat night...n winds 5 to 10 kt, becoming s. seas 2 to
4 ft. 
.sun and sun night...sw winds 5 to 10 kt, increasing to 10 to
15 kt with 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 260504
cwfbox
expires:202608261800;;370450

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt wed aug 26 2026

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


anz255-261800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
103 am edt wed aug 26 2026

.rest of tonight...w winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: sw 2 ft at 5 seconds and se 1 foot at 6 seconds. 
.wed...w winds 5 to 10 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: sw 2 ft at 5 seconds and se 2 ft at
10 seconds. 
.wed night...sw winds around 5 kt. seas 2 to 3 ft. wave detail:
se 3 ft at 9 seconds and sw 1 foot at 5 seconds. 
.thu...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 8 seconds and sw 2 ft at 5 seconds. 
.thu night...s winds 10 to 15 kt. seas 3 to 4 ft. wave detail: sw
3 ft at 5 seconds and se 3 ft at 9 seconds. a chance of showers. 
.fri...s winds 5 to 10 kt. seas 3 to 4 ft. wave detail: s 3 ft at
7 seconds and e 1 foot at 3 seconds. a chance of showers in the
morning. 
.fri night...sw winds 5 to 10 kt, becoming nw 10 to 15 kt after
midnight. seas 3 to 5 ft. 
.sat and sat night...ne winds 10 to 15 kt, becoming se 5 to
10 kt. seas 2 to 4 ft. 
.sun and sun night...sw winds 5 to 10 kt, increasing to 10 to
15 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.

$$