fzus51 kbox 032005
cwfbox
expires:202608040900;;570464

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt mon aug 3 2026

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


anz237-040900-
block island sound-
405 pm edt mon aug 3 2026

...small craft advisory in effect through tuesday afternoon...

.tonight...sw winds 15 to 20 kt, becoming nw 5 to 10 kt after
midnight. gusts up to 25 kt. seas 5 to 7 ft. wave detail: s 7 ft
at 9 seconds and sw 2 ft at 4 seconds. patchy fog this evening. a
chance of showers and tstms this evening with vsby 1 to 3 nm. 
.tue...nw winds around 5 kt, becoming sw in the afternoon. seas
3 to 5 ft. wave detail: s 5 ft at 8 seconds and sw 1 foot at
3 seconds. 
.tue night...sw winds 5 to 10 kt, diminishing to around 5 kt
after midnight. seas 2 to 4 ft. wave detail: s 3 ft at 7 seconds
and sw 1 foot at 2 seconds. 
.wed...w winds around 5 kt, becoming sw in the afternoon. seas
2 to 3 ft. wave detail: s 3 ft at 7 seconds and sw 1 foot at
4 seconds. 
.wed night through thu night...sw winds 10 to 15 kt with gusts up
to 20 kt. seas 2 to 4 ft. wave detail: s 4 ft at 7 seconds and w
1 foot at 3 seconds. 
.fri through sat night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 ft. wave detail: se 3 ft at 7 seconds and w
1 foot at 3 seconds.  

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 032005
cwfbox
expires:202608040900;;570458

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt mon aug 3 2026

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


anz255-040900-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
405 pm edt mon aug 3 2026

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

.tonight...sw winds 20 to 25 kt with gusts up to 35 kt, becoming
w 15 to 20 kt after midnight. seas 6 to 9 ft. wave detail: s 9 ft
at 9 seconds and sw 5 ft at 5 seconds. showers likely with a
slight chance of tstms this evening, then a chance of showers
after midnight. patchy fog this evening with vsby 1 to 3 nm. 
.tue...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
4 to 6 ft. wave detail: s 6 ft at 8 seconds and sw 4 ft at
8 seconds. 
.tue night...sw winds 5 to 10 kt. seas 3 to 4 ft. wave detail: sw
4 ft at 7 seconds and e 1 foot at 9 seconds. 
.wed...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: sw 3 ft
at 7 seconds and e 1 foot at 9 seconds. 
.wed night through thu night...sw winds 10 to 15 kt with gusts up
to 20 kt. seas 2 to 4 ft. wave detail: se 4 ft at 7 seconds and w
2 ft at 4 seconds. 
.fri through sat night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 4 ft. wave detail: w 4 ft at 6 seconds and se
1 foot at 7 seconds.  

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.

$$