fzus51 kbox 250505
cwfbox
expires:202605251800;;603185

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt mon may 25 2026

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


anz235-251800-
rhode island sound-
105 am edt mon may 25 2026

...small craft advisory in effect until 5 am edt early this
morning...

.rest of tonight...se winds 10 to 15 kt. seas 5 to 7 ft. wave
detail: se 7 ft at 9 seconds and ne 2 ft at 4 seconds. patchy
fog. a chance of showers with a slight chance of tstms. vsby 1 nm
or less. 
.mon...sw winds 10 to 15 kt. seas 4 to 6 ft. wave detail: se 6 ft
at 9 seconds and sw 4 ft at 10 seconds. patchy fog. a chance of
showers in the morning, then showers in the afternoon. vsby 1 nm
or less. 
.mon night...sw winds 10 to 15 kt, becoming nw 5 to 10 kt after
midnight. seas 3 to 5 ft. wave detail: se 5 ft at 9 seconds and s
4 ft at 11 seconds. patchy fog. vsby 1 to 3 nm. 
.tue...ne winds around 5 kt, becoming s in the afternoon. seas
2 to 4 ft. wave detail: se 4 ft at 7 seconds. 
.tue night and wed...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: sw 3 ft at 7 seconds and se 3 ft at
8 seconds. 
.wed night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
n after midnight. seas 2 to 3 ft. wave detail: se 3 ft at
7 seconds and w 1 foot at 3 seconds. 
.thu through fri night...w winds 10 to 15 kt. seas 2 to 3 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 250505
cwfbox
expires:202605251800;;603188

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt mon may 25 2026

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


anz236-251800-
narragansett bay-
105 am edt mon may 25 2026

.rest of tonight...se winds around 5 kt. waves 2 to 4 ft. patchy
fog. a chance of showers. vsby 1 nm or less.
.mon...s winds 5 to 10 kt, becoming sw in the afternoon. waves
2 to 4 ft. patchy fog. a chance of showers in the morning, then
showers likely in the afternoon. vsby 1 nm or less. 
.mon night...sw winds 5 to 10 kt, becoming nw after midnight.
waves 2 to 3 ft. patchy fog. vsby 1 to 3 nm. 
.tue...n winds around 5 kt, becoming s in the afternoon. waves
around 2 ft. 
.tue night and wed...w winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.wed night...w winds 5 to 10 kt, becoming n after midnight. waves
around 2 ft. 
.thu through fri night...w winds 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 250505
cwfbox
expires:202605251800;;603186

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt mon may 25 2026

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


anz237-251800-
block island sound-
105 am edt mon may 25 2026

...small craft advisory in effect until 5 am edt early this
morning...

.rest of tonight...se winds 5 to 10 kt. seas 4 to 6 ft. wave
detail: se 6 ft at 9 seconds and s 3 ft at 10 seconds. patchy
fog. a chance of showers. vsby 1 nm or less. 
.mon...s winds 5 to 10 kt, becoming sw in the afternoon. seas
4 to 6 ft. wave detail: se 6 ft at 9 seconds and s 4 ft at
9 seconds. patchy dense fog in the morning. patchy fog in the
afternoon. showers. vsby 1 nm or less. 
.mon night...sw winds 5 to 10 kt, becoming nw after midnight.
seas 3 to 5 ft. wave detail: se 5 ft at 9 seconds and s 3 ft at
9 seconds. patchy fog. vsby 1 to 3 nm. 
.tue...ne winds around 5 kt, becoming s in the afternoon. seas
2 to 4 ft. wave detail: se 4 ft at 8 seconds and s 2 ft at
8 seconds. 
.tue night and wed...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: se 3 ft at 8 seconds and s 2 ft at
7 seconds. 
.wed night...w winds 10 to 15 kt, becoming nw 5 to 10 kt after
midnight. seas 2 to 3 ft. wave detail: se 2 ft at 7 seconds and w
1 foot at 3 seconds. 
.thu through fri night...w winds 5 to 10 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 250505
cwfbox
expires:202605251800;;603180

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt mon may 25 2026

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


anz255-251800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
105 am edt mon may 25 2026

...small craft advisory in effect through this evening...

.rest of tonight...se winds 15 to 20 kt. seas 5 to 8 ft. wave
detail: se 8 ft at 10 seconds and e 2 ft at 6 seconds. patchy
fog. a chance of showers with a slight chance of tstms. vsby 1 nm
or less. 
.mon...sw winds 10 to 15 kt with gusts up to 20 kt. seas 5 to
7 ft. wave detail: se 7 ft at 9 seconds and s 6 ft at 7 seconds.
patchy fog. showers. vsby 1 nm or less. 
.mon night...w winds 10 to 15 kt, becoming nw 5 to 10 kt after
midnight. seas 4 to 6 ft. wave detail: se 5 ft at 9 seconds and
sw 4 ft at 8 seconds. patchy fog. vsby 1 nm or less. 
.tue...ne winds around 5 kt, becoming s in the afternoon. seas
3 to 4 ft. wave detail: se 4 ft at 8 seconds and s 2 ft at
7 seconds. patchy fog in the morning with vsby 1 nm or less. 
.tue night and wed...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 4 ft. wave detail: sw 4 ft at 7 seconds and se 3 ft at
8 seconds. 
.wed night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw after midnight. seas 3 to 4 ft. wave detail: sw 4 ft at
7 seconds and nw 3 ft at 3 seconds. 
.thu through fri...w winds 10 to 15 kt. seas 2 to 3 ft. 
.fri night...w winds 10 to 15 kt. seas 2 to 4 ft. a chance of
showers.  

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.

$$