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;;046012

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


anz237-122100-
block island sound-
405 am edt wed aug 12 2026

.today...n winds around 5 kt, becoming sw this afternoon. seas
around 2 ft this morning, then 1 foot or less. wave detail: s
2 ft at 5 seconds and nw 1 foot at 4 seconds, becoming n 1 foot
at 2 seconds and s 1 foot at 5 seconds. a slight chance of
showers this morning. 
.tonight...sw winds 5 to 10 kt. seas 1 foot or less, then around
2 ft after midnight. wave detail: w 1 foot at 2 seconds and s
1 foot at 4 seconds, becoming w 1 foot at 2 seconds and s 1 foot
at 2 seconds. 
.thu...sw winds 5 to 10 kt. seas around 2 ft. wave detail: sw
2 ft at 3 seconds and se 1 foot at 8 seconds. 
.thu night...w winds 5 to 10 kt. seas around 2 ft. wave detail:
sw 2 ft at 4 seconds and se 1 foot at 7 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 sw 1 foot at
4 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 3 seconds and
nw 2 ft at 3 seconds. 
.sat through 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. 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;;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.

$$