fzus51 kbox 290205
cwfbox
expires:202508291500;;511509

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt thu aug 28 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz235-291500-
rhode island sound-
1004 pm edt thu aug 28 2025

.overnight...s winds 10 to 15 kt with gusts up to 25 kt. seas
around 3 ft. wave detail: s 2 ft at 4 seconds and s 2 ft at
8 seconds. a slight chance of showers. 
.fri...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: s 2 ft at 4 seconds and s 2 ft at 7 seconds. a
chance of showers and tstms in the afternoon. 
.fri night...sw winds around 10 kt, becoming nw after midnight.
gusts up to 20 kt. seas 2 to 3 ft. wave detail: s 2 ft at
4 seconds and s 2 ft at 7 seconds. a chance of showers. a chance
of tstms in the evening. 
.sat...nw winds around 10 kt, becoming w in the afternoon. seas
around 2 ft. wave detail: w 2 ft at 5 seconds and se 2 ft at
6 seconds. 
.sat night...w winds around 10 kt, becoming nw after midnight.
seas around 2 ft. wave detail: s 2 ft at 5 seconds. 
.sun and sun night...nw winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 8 seconds and n 1 foot at 3 seconds. 
.mon through tue night...se winds around 10 kt. seas around 2 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 290205
cwfbox
expires:202508291500;;511512

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt thu aug 28 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz236-291500-
narragansett bay-
1004 pm edt thu aug 28 2025

.overnight...s winds 5 to 10 kt with gusts up to 20 kt. waves
2 to 3 ft. 
.fri...s winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. gusts up to 20 kt. waves 2 to 3 ft. showers likely
with a chance of tstms in the afternoon. 
.fri night...sw winds 5 to 10 kt with gusts up to 20 kt, becoming
nw after midnight. waves around 2 ft. a chance of showers. a
chance of tstms in the evening. 
.sat...w winds 5 to 10 kt. waves around 2 ft in the morning, then
1 foot or less. 
.sat night...w winds 5 to 10 kt. waves 1 foot or less.
.sun and sun night...nw winds 5 to 10 kt. waves 1 foot or less. 
.mon through tue night...s winds 5 to 10 kt. waves around 2 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 290205
cwfbox
expires:202508291500;;511510

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt thu aug 28 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz237-291500-
block island sound-
1004 pm edt thu aug 28 2025

.overnight...sw winds 10 to 15 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: s 2 ft at 4 seconds and se 2 ft at
8 seconds. a slight chance of showers and tstms. 
.fri...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 2 ft at 4 seconds and s 2 ft at 7 seconds.
a chance of showers and tstms in the afternoon. 
.fri night...w winds 5 to 10 kt, becoming nw after midnight.
gusts up to 20 kt. seas 2 to 3 ft. wave detail: s 2 ft at
7 seconds and sw 1 foot at 3 seconds. a chance of showers. a
chance of tstms in the evening. 
.sat...nw winds around 10 kt, becoming w in the afternoon. seas
around 2 ft. wave detail: se 2 ft at 6 seconds and nw 1 foot at
3 seconds. 
.sat night...w winds around 10 kt, becoming nw after midnight.
seas around 2 ft. wave detail: se 2 ft at 6 seconds and w 1 foot
at 3 seconds. 
.sun and sun night...nw winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 7 seconds and n 1 foot at 3 seconds. 
.mon through tue night...se winds 5 to 10 kt. seas around 2 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 290205
cwfbox
expires:202508291500;;511504

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 pm edt thu aug 28 2025

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz255-291500-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1004 pm edt thu aug 28 2025

.overnight...s winds around 10 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: sw 2 ft at 4 seconds and s 2 ft at
8 seconds. 
.fri...s winds around 10 kt with gusts up to 20 kt. seas 2 to
4 ft. wave detail: s 2 ft at 4 seconds and s 2 ft at 7 seconds. a
chance of showers in the afternoon. 
.fri night...s winds around 10 kt, becoming w after midnight.
gusts up to 20 kt. seas 2 to 4 ft. wave detail: sw 2 ft at
6 seconds and se 1 foot at 2 seconds. a chance of showers. 
.sat...w winds around 10 kt. seas 2 to 3 ft. wave detail: sw 2 ft
at 6 seconds. 
.sat night...w winds around 10 kt. seas around 2 ft. wave detail:
sw 2 ft at 5 seconds and se 2 ft at 6 seconds. 
.sun and sun night...n winds 5 to 10 kt. seas around 2 ft. wave
detail: nw 2 ft at 4 seconds and se 2 ft at 8 seconds. 
.mon through tue night...e 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.

$$