fzus51 kbox 290805
cwfbox
expires:202607292100;;266041

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed jul 29 2026

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


anz235-292100-
rhode island sound-
405 am edt wed jul 29 2026

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

.today...se winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: s 5 ft at 6 seconds and e 2 ft at 9 seconds.
patchy fog. showers. a slight chance of tstms this morning, then
a chance of tstms this afternoon. vsby 1 to 3 nm, decreasing to
1 nm or less this afternoon. 
.tonight...se winds 15 to 20 kt with gusts up to 25 kt, becoming
e around 10 kt after midnight. seas 3 to 5 ft. wave detail: se
5 ft at 6 seconds and e 3 ft at 3 seconds. patchy fog. showers
likely in the evening. a chance of showers after midnight. vsby
1 to 3 nm. 
.thu...ne winds around 10 kt, becoming n with gusts up to 20 kt
in the afternoon. seas 3 to 4 ft. wave detail: s 4 ft at
8 seconds and e 3 ft at 9 seconds. a chance of showers. patchy
fog in the morning with vsby 1 to 3 nm. 
.thu night...n winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 3 to 4 ft. wave detail: s 4 ft at 8 seconds and se
4 ft at 8 seconds. a chance of showers. 
.fri...n winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas 2 to 4 ft. wave detail: s 4 ft at 9 seconds and
se 4 ft at 10 seconds. 
.fri night...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 9 seconds and s 3 ft at 9 seconds. 
.sat through sun...s winds 10 to 15 kt. seas 2 to 3 ft. 
.sun night...s winds 10 to 15 kt. seas 2 to 3 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.

$$

fzus51 kbox 290805
cwfbox
expires:202607292100;;266044

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed jul 29 2026

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


anz236-292100-
narragansett bay-
405 am edt wed jul 29 2026

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

.today...se winds 15 to 20 kt with gusts up to 30 kt. waves 2 to
4 ft. patchy fog. showers. a slight chance of tstms this morning,
then a chance of tstms this afternoon. vsby 1 to 3 nm, decreasing
to 1 nm or less this afternoon. 
.tonight...e winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. waves 2 to 3 ft. patchy
fog. showers likely with a chance of tstms in the evening, then a
chance of showers after midnight. vsby 1 nm or less, increasing
to 1 to 3 nm after midnight. 
.thu...ne winds 5 to 10 kt, becoming n 10 to 15 kt with gusts up
to 20 kt in the afternoon. waves 2 to 3 ft. patchy fog. a chance
of showers. 
.thu night...n winds around 10 kt. waves 2 to 3 ft. showers
likely, mainly in the evening. patchy fog in the evening.
.fri...n winds 5 to 10 kt. waves around 2 ft. 
.fri night...w winds around 5 kt. waves around 2 ft. 
.sat through sun...s winds 10 to 15 kt. waves around 2 ft. 
.sun night...s winds 5 to 10 kt. waves around 2 ft. a chance of
showers.  

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 290805
cwfbox
expires:202607292100;;266042

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed jul 29 2026

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


anz237-292100-
block island sound-
405 am edt wed jul 29 2026

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

.today...se winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: s 5 ft at 6 seconds and ne 2 ft at 9 seconds.
patchy fog. showers. a slight chance of tstms this morning, then
a chance of tstms this afternoon. vsby 1 to 3 nm. 
.tonight...se winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 3 to 5 ft. wave
detail: se 4 ft at 7 seconds and se 2 ft at 3 seconds. patchy
fog. a chance of showers. vsby 1 to 3 nm. 
.thu...e winds 5 to 10 kt, becoming n in the afternoon. seas 3 to
4 ft. wave detail: se 4 ft at 8 seconds and sw 1 foot at
3 seconds. patchy fog in the morning. a chance of showers in the
afternoon. vsby 1 to 3 nm in the morning. 
.thu night...n winds around 10 kt. seas 2 to 4 ft. wave detail: s
4 ft at 8 seconds and n 2 ft at 4 seconds. a chance of showers. 
.fri...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s 3 ft at
9 seconds and se 3 ft at 10 seconds. 
.fri night...w winds around 5 kt. seas 2 to 3 ft. wave detail: s
3 ft at 9 seconds and e 1 foot at 4 seconds. 
.sat through sun...s winds 5 to 10 kt. seas 2 to 3 ft. 
.sun night...s winds 5 to 10 kt. seas 2 to 3 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.

$$

fzus51 kbox 290805
cwfbox
expires:202607292100;;266036

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 am edt wed jul 29 2026

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


anz255-292100-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
405 am edt wed jul 29 2026

...small craft advisory in effect through thursday morning...

.today...se winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: se 5 ft at 6 seconds and e 1 foot at
9 seconds. patchy fog. a chance of showers with a slight chance
of tstms this morning, then showers likely with a chance of tstms
this afternoon with vsby 1 nm or less. 
.tonight...se winds 15 to 20 kt with gusts up to 25 kt,
diminishing to 10 to 15 kt after midnight. seas 4 to 5 ft. wave
detail: s 5 ft at 5 seconds and se 2 ft at 11 seconds. patchy
fog. a chance of showers. vsby 1 nm or less. 
.thu...se winds 5 to 10 kt, becoming w in the afternoon. seas
4 to 5 ft. wave detail: s 5 ft at 8 seconds and sw 3 ft at
4 seconds. patchy fog in the morning with vsby 1 to 3 nm. 
.thu night...n winds 10 to 15 kt. seas 3 to 4 ft. wave detail: s
4 ft at 8 seconds and se 4 ft at 10 seconds. a chance of showers.
.fri...n winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas 3 to 4 ft. wave detail: s 4 ft at 10 seconds and
nw 2 ft at 4 seconds. 
.fri night...nw winds 5 to 10 kt. seas 2 to 4 ft. wave detail: s
4 ft at 9 seconds and nw 1 foot at 3 seconds. 
.sat through sun...s winds 5 to 10 kt. seas 2 to 3 ft. 
.sun night...s winds around 10 kt. seas 2 to 3 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.

$$