fzus51 kbox 200505
cwfbox
expires:202608201800;;028865

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt thu aug 20 2026

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


anz235-201800-
rhode island sound-
105 am edt thu aug 20 2026

.rest of tonight...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 7 seconds and w 1 foot at 3 seconds. patchy
fog. 
.thu...sw winds 5 to 10 kt. seas around 2 ft. wave detail: se
2 ft at 7 seconds and w 1 foot at 3 seconds. 
.thu night...w winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft. wave detail: s 2 ft at 8 seconds and sw 1 foot at
3 seconds. a chance of showers.
.fri...ne winds around 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: e 2 ft at 3 seconds and nw 1 foot at
3 seconds. a chance of showers.
.fri night...e winds 10 to 15 kt. seas around 2 ft. wave detail:
e 2 ft at 4 seconds and n 1 foot at 3 seconds. a chance of
showers. 
.sat and sat night...se winds 10 to 15 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 7 seconds and e 2 ft at 4 seconds. showers
likely. 
.sun...s winds 10 to 15 kt. seas 2 to 3 ft. showers likely. 
.sun night through mon night...w 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 200505
cwfbox
expires:202608201800;;028868

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt thu aug 20 2026

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


anz236-201800-
narragansett bay-
105 am edt thu aug 20 2026

.rest of tonight...sw winds around 5 kt. waves around 2 ft. 
.thu...w winds 5 to 10 kt. waves around 2 ft in the morning, then
1 foot or less. 
.thu night...w winds 5 to 10 kt, becoming nw after midnight.
waves 1 foot or less. a chance of showers in the evening. 
.fri...ne winds 5 to 10 kt, becoming e in the afternoon. waves
1 foot or less. a chance of showers in the afternoon. 
.fri night...e winds 5 to 10 kt. waves 1 foot or less, then
around 2 ft after midnight. a chance of showers. 
.sat and sat night...e winds 5 to 10 kt. waves around 2 ft.
showers likely. 
.sun and sun night...s winds 5 to 10 kt, becoming sw. waves
around 2 ft. a chance of showers. 
.mon and mon night...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 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 200505
cwfbox
expires:202608201800;;028866

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt thu aug 20 2026

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


anz237-201800-
block island sound-
105 am edt thu aug 20 2026

.rest of tonight...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 7 seconds and sw 1 foot at 3 seconds. 
.thu...w winds 5 to 10 kt. seas around 2 ft. wave detail: s 2 ft
at 7 seconds and w 1 foot at 2 seconds. 
.thu night...w winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft. wave detail: se 2 ft at 8 seconds and w 1 foot at
2 seconds. a chance of showers. 
.fri...ne winds 5 to 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: e 2 ft at 3 seconds and nw 1 foot at
3 seconds. a chance of showers.
.fri night...e winds around 10 kt. seas around 2 ft. wave detail:
e 2 ft at 4 seconds and se 1 foot at 7 seconds. a chance of
showers. 
.sat and sat night...e winds 10 to 15 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 7 seconds and e 2 ft at 4 seconds. showers
likely. 
.sun...s winds 5 to 10 kt. seas 2 to 3 ft. showers likely. 
.sun night through mon night...w 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 200505
cwfbox
expires:202608201800;;028860

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt thu aug 20 2026

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


anz255-201800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
105 am edt thu aug 20 2026

.rest of tonight...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 7 seconds and sw 1 foot at 3 seconds. patchy
fog. vsby 1 to 3 nm. 
.thu...sw winds 5 to 10 kt. seas around 2 ft. wave detail: se
2 ft at 7 seconds and w 1 foot at 3 seconds. patchy fog. vsby
1 to 3 nm, decreasing to 1 nm or less in the afternoon. 
.thu night...w winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft. wave detail: se 2 ft at 8 seconds and sw 1 foot at
3 seconds. patchy fog. showers likely in the evening. a chance of
showers and tstms after midnight. vsby 1 nm or less. 
.fri...ne winds 5 to 10 kt. seas around 2 ft. wave detail: e 2 ft
at 3 seconds and se 2 ft at 8 seconds. a chance of showers. 
.fri night...e winds 10 to 15 kt. seas around 2 ft. wave detail:
e 2 ft at 3 seconds and e 2 ft at 8 seconds. a chance of showers.
.sat and sat night...s 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 e 2 ft at
8 seconds. showers likely.
.sun...s winds around 10 kt. seas 2 to 4 ft. showers likely. 
.sun night...sw winds 10 to 15 kt. seas 3 to 4 ft. a chance of
showers. 
.mon and mon night...w winds 10 to 15 kt with gusts up to 20 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.

$$