fzus51 kbox 130806
cwfbox
expires:202608132100;;105513

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt thu aug 13 2026

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


anz235-132100-
rhode island sound-
405 am edt thu aug 13 2026

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

winds and seas higher in and near tstms.

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 130806
cwfbox
expires:202608132100;;105516

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt thu aug 13 2026

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


anz236-132100-
narragansett bay-
405 am edt thu aug 13 2026

.today...sw winds 5 to 10 kt. waves 1 foot or less, then around
2 ft this afternoon. showers likely with a chance of tstms this
morning, then a slight chance of showers and tstms this
afternoon. patchy fog this morning. 
.tonight...w winds 5 to 10 kt, becoming nw after midnight. waves
around 2 ft in the evening, then 1 foot or less. 
.fri...n winds 5 to 10 kt, becoming w in the afternoon. waves
1 foot or less. 
.fri night...nw winds 5 to 10 kt, becoming n after midnight.
waves 1 foot or less. 
.sat...n winds 5 to 10 kt. waves 1 foot or less. 
.sat night...sw winds 5 to 10 kt. waves 1 foot or less. 
.sun...sw winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. 
.sun night...sw winds 15 to 20 kt. waves 2 to 3 ft. showers
likely. 
.mon...w winds 15 to 20 kt. waves 2 to 3 ft. showers likely. 
.mon night...nw winds 5 to 10 kt. waves 2 to 3 ft. 

winds and waves higher in and near tstms.

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 130806
cwfbox
expires:202608132100;;105514

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt thu aug 13 2026

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


anz237-132100-
block island sound-
405 am edt thu aug 13 2026

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

winds and seas higher in and near tstms.

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 130806
cwfbox
expires:202608132100;;105508

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt thu aug 13 2026

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


anz255-132100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
405 am edt thu aug 13 2026

.today...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: w
2 ft at 4 seconds and s 2 ft at 7 seconds. a slight chance of
tstms. showers likely this morning, then a slight chance of
showers this afternoon. patchy fog this morning. 
.tonight...w winds around 10 kt, becoming nw after midnight. seas
2 to 3 ft. wave detail: sw 2 ft at 5 seconds and e 1 foot at
4 seconds. 
.fri...n winds 5 to 10 kt, becoming w in the afternoon. seas 2 to
3 ft. wave detail: n 2 ft at 4 seconds and sw 2 ft at 5 seconds. 
.fri night...sw winds 5 to 10 kt, becoming n 10 to 15 kt after
midnight. seas around 2 ft. wave detail: n 1 foot at 3 seconds
and w 1 foot at 3 seconds. 
.sat...n winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas around 2 ft. wave detail: n 2 ft at 3 seconds and
s 1 foot at 6 seconds. 
.sat night...e winds around 5 kt, becoming sw after midnight.
seas around 2 ft. wave detail: nw 1 foot at 3 seconds and ne
1 foot at 4 seconds. 
.sun...sw winds 10 to 15 kt with gusts up to 20 kt. seas around
2 ft. 
.sun night and mon...sw winds 20 to 25 kt. seas 3 to 5 ft.
showers.
.mon night...nw winds 10 to 15 kt with gusts up to 20 kt. seas
3 to 5 ft.  

winds and seas higher in and near tstms.

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.

$$