fzus51 kbox 120806
cwfbox
expires:202608122100;;046004

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed aug 12 2026

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


anz231-122100-
cape cod bay-
405 am edt wed aug 12 2026

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

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 120806
cwfbox
expires:202608122100;;046008

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed aug 12 2026

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


anz232-122100-
nantucket sound-
405 am edt wed aug 12 2026

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

$$

fzus51 kbox 120806
cwfbox
expires:202608122100;;046009

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed aug 12 2026

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


anz233-122100-
vineyard sound-
405 am edt wed aug 12 2026

.today...n winds around 5 kt, becoming s this afternoon. seas
1 foot or less. wave detail: w 1 foot at 5 seconds and se 1 foot
at 9 seconds. a slight chance of showers this morning. 
.tonight...sw winds 5 to 10 kt. seas 1 foot or less. wave detail:
e 1 foot at 2 seconds and sw 1 foot at 4 seconds. 
.thu...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: s 2 ft at 4 seconds and
se 1 foot at 8 seconds. patchy fog in the morning. a chance of
showers in the afternoon. vsby 1 to 3 nm in the morning. 
.thu night...sw winds 5 to 10 kt, becoming nw after midnight.
seas around 2 ft. wave detail: sw 2 ft at 5 seconds and se 1 foot
at 6 seconds. 
.fri...n winds 5 to 10 kt, becoming w in the afternoon. seas
around 2 ft. wave detail: w 2 ft at 6 seconds and n 1 foot at
2 seconds. 
.fri night...nw winds 5 to 10 kt, becoming n 10 to 15 kt after
midnight. seas around 2 ft. wave detail: n 2 ft at 4 seconds and
w 2 ft at 4 seconds. 
.sat through sun...sw winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. 
.sun night...sw winds 15 to 20 kt. seas 2 to 3 ft. showers
likely.  

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 120806
cwfbox
expires:202608122100;;046010

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed aug 12 2026

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


anz234-122100-
buzzards bay-
405 am edt wed aug 12 2026

.today...n winds around 5 kt, becoming s this afternoon. seas
1 foot or less. wave detail: n 1 foot at 2 seconds and w 1 foot
at 5 seconds. 
.tonight...sw winds 5 to 10 kt. seas 1 foot or less. wave detail:
e 1 foot at 3 seconds and sw 1 foot at 4 seconds. 
.thu...w 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 2 to 3 ft in
the afternoon. wave detail: sw 1 foot at 4 seconds and se 1 foot
at 8 seconds, becoming s 2 ft at 4 seconds and se 1 foot at
8 seconds. patchy fog in the morning. a chance of showers in the
afternoon. vsby 1 nm or less in the morning. 
.thu night...sw winds 5 to 10 kt, becoming nw after midnight.
seas around 2 ft. wave detail: sw 2 ft at 4 seconds and se 1 foot
at 5 seconds. 
.fri...n winds 5 to 10 kt, becoming w in the afternoon. seas
around 2 ft. wave detail: n 1 foot at 2 seconds and w 1 foot at
5 seconds. 
.fri night...nw winds 5 to 10 kt, becoming n 10 to 15 kt after
midnight. seas around 2 ft. wave detail: n 2 ft at 4 seconds and
sw 2 ft at 6 seconds. 
.sat through sun...sw winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 3 ft. 
.sun night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 3 ft. showers likely.  

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 120806
cwfbox
expires:202608122100;;046011

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed aug 12 2026

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


anz235-122100-
rhode island sound-
405 am edt wed aug 12 2026

.today...n winds around 5 kt, becoming s this afternoon. seas
around 2 ft. wave detail: s 2 ft at 5 seconds and nw 1 foot at
4 seconds. a slight chance of showers this morning. 
.tonight...sw winds 5 to 10 kt. seas around 2 ft. wave detail: sw
2 ft at 4 seconds and ne 1 foot at 2 seconds. 
.thu...sw winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: s 3 ft at 4 seconds and
se 1 foot at 8 seconds. patchy fog in the morning with vsby 1 nm
or less. 
.thu night...w winds 10 to 15 kt, becoming nw 5 to 10 kt after
midnight. seas 2 to 3 ft. wave detail: sw 3 ft at 4 seconds and
se 1 foot at 6 seconds. 
.fri...n winds 5 to 10 kt, becoming w in the afternoon. seas
around 2 ft. wave detail: w 2 ft at 4 seconds and n 1 foot at
2 seconds. 
.fri night...n winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. wave detail: n 3 ft at 4 seconds and s
2 ft at 6 seconds. 
.sat through sun...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.sun night...sw winds 15 to 20 kt. seas 2 to 3 ft. showers
likely.  

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 120806
cwfbox
expires:202608122100;;046014

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed aug 12 2026

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


anz236-122100-
narragansett bay-
405 am edt wed aug 12 2026

.today...n winds around 5 kt, becoming s this afternoon. waves
1 foot or less. 
.tonight...s winds 5 to 10 kt, becoming w after midnight. waves
1 foot or less. 
.thu...sw winds 5 to 10 kt. waves 1 foot or less, then around
2 ft in the afternoon. 
.thu night...w winds 5 to 10 kt, becoming nw after midnight.
waves around 2 ft. 
.fri...n winds around 5 kt, becoming w in the afternoon. waves
1 foot or less, then around 2 ft in the afternoon. 
.fri night...n winds 5 to 10 kt. waves around 2 ft. 
.sat through sun...sw winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.sun night...sw winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. showers likely.  

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 120806
cwfbox
expires:202608122100;;046002

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed aug 12 2026

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


anz250-122100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 am edt wed aug 12 2026

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

$$

fzus51 kbox 120806
cwfbox
expires:202608122100;;046005

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed aug 12 2026

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


anz254-122100-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
405 am edt wed aug 12 2026

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

$$

fzus51 kbox 120806
cwfbox
expires:202608122100;;046006

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed aug 12 2026

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


anz255-122100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
405 am edt wed aug 12 2026

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

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.

$$