fzus51 kbox 280503
cwfbox
expires:202609281800;;173709

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt mon sep 28 2026

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


anz235-281800-
rhode island sound-
103 am edt mon sep 28 2026

...small craft advisory in effect until 8 am edt this morning...

.rest of tonight...ne winds 15 to 20 kt. seas 3 to 5 ft. wave
detail: e 4 ft at 7 seconds. patchy fog. showers with a slight
chance of tstms. vsby 1 nm or less. 
.mon...e winds 10 to 15 kt. seas 3 to 4 ft. wave detail: e 4 ft
at 7 seconds. patchy fog. showers. vsby 1 nm or less, increasing
to 1 to 3 nm in the afternoon. 
.mon night...ne winds 10 to 15 kt, becoming nw after midnight.
seas 3 to 4 ft. wave detail: s 4 ft at 7 seconds and ne 2 ft at
9 seconds. patchy fog. a chance of showers in the evening. vsby
1 to 3 nm. 
.tue...nw winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas 2 to 4 ft. wave detail: nw 4 ft at 7 seconds and
e 2 ft at 9 seconds. patchy fog in the morning. 
.tue night...n winds around 5 kt. seas around 2 ft. wave detail:
sw 2 ft at 6 seconds and ne 2 ft at 9 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 11 seconds and s 1 foot at 7 seconds. 
.thu through fri night...nw winds 10 to 15 kt with gusts up to
20 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 280503
cwfbox
expires:202609281800;;173712

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt mon sep 28 2026

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


anz236-281800-
narragansett bay-
103 am edt mon sep 28 2026

.rest of tonight...ne winds around 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. patchy fog. showers with a chance of tstms. vsby
1 nm or less. 
.mon...ne winds 10 to 15 kt. waves 2 to 3 ft. patchy fog.
showers. vsby 1 nm or less, increasing to 1 to 3 nm in the
afternoon. 
.mon night...n winds 10 to 15 kt. waves 2 to 3 ft. patchy fog. a
chance of showers in the evening. vsby 1 to 3 nm. 
.tue...nw winds 5 to 10 kt. waves 2 to 3 ft. patchy fog in the
morning. 
.tue night...n winds around 5 kt. waves around 2 ft.
.wed and wed night...sw winds around 5 kt. waves 1 foot or less. 
.thu through fri night...nw winds 10 to 15 kt with gusts up to
20 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 280503
cwfbox
expires:202609281800;;173710

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt mon sep 28 2026

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


anz237-281800-
block island sound-
103 am edt mon sep 28 2026

...small craft advisory in effect until 8 am edt this morning...

.rest of tonight...ne winds 15 to 20 kt. seas 3 to 5 ft. wave
detail: se 4 ft at 7 seconds. patchy fog. showers with a slight
chance of tstms. vsby 1 nm or less. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. wave detail: s 4 ft at 7 seconds and e 3 ft at 7 seconds.
patchy fog. showers likely. vsby 1 nm or less, increasing to 1 to
3 nm in the afternoon. 
.mon 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 7 seconds and ne
2 ft at 8 seconds. patchy fog. a chance of showers in the
evening. vsby 1 to 3 nm. 
.tue...nw winds 5 to 10 kt. seas 2 to 4 ft. wave detail: w 3 ft
at 7 seconds and ne 2 ft at 8 seconds. 
.tue night...n winds around 5 kt. seas around 2 ft. wave detail:
s 2 ft at 6 seconds and e 2 ft at 9 seconds. 
.wed and wed night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 10 seconds and s 1 foot at 7 seconds. 
.thu through fri night...nw winds 10 to 15 kt with gusts up to
20 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 280503
cwfbox
expires:202609281800;;173704

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt mon sep 28 2026

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


anz255-281800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
103 am edt mon sep 28 2026

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

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

$$