fzus51 kbox 311105
cwfbox
expires:202604010000;;587299

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 am edt tue mar 31 2026

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


anz235-010000-
rhode island sound-
705 am edt tue mar 31 2026

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

.today...sw winds 15 to 20 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: s 7 ft at 9 seconds and sw 1 foot at
4 seconds. scattered showers this morning. 
.tonight...sw winds 15 to 20 kt with gusts up to 30 kt. seas 6 to
9 ft. wave detail: s 9 ft at 9 seconds and sw 2 ft at 4 seconds. 
.wed...sw winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 6 to 9 ft. wave detail: s 9 ft
at 9 seconds and sw 2 ft at 4 seconds. patchy fog. a chance of
showers in the morning, then showers likely in the afternoon.
vsby 1 to 3 nm. 
.wed night...ne winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. seas 4 to 6 ft. wave detail: s 6 ft at 9 seconds
and ne 3 ft at 3 seconds. showers. patchy fog in the evening with
vsby 1 nm or less. 
.thu...ne winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: ne 4 ft at 4 seconds and s 4 ft at 8 seconds.
a chance of showers. 
.thu night...ne winds 15 to 20 kt, becoming e 10 to 15 kt after
midnight. seas 2 to 4 ft. wave detail: ne 4 ft at 5 seconds and s
3 ft at 7 seconds. 
.fri...s winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. 
.fri night through sat night...se winds 20 to 25 kt. seas 3 to
5 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 311105
cwfbox
expires:202604010000;;587302

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 am edt tue mar 31 2026

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


anz236-010000-
narragansett bay-
705 am edt tue mar 31 2026

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

.today...sw winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. gusts up to 30 kt. waves 3 to 5 ft. scattered showers
this morning. isolated showers this afternoon. 
.tonight...s winds 10 to 15 kt with gusts up to 30 kt. waves 3 to
5 ft. scattered showers after midnight. 
.wed...sw winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. waves 3 to 5 ft. a chance of
showers in the morning, then showers likely in the afternoon. 
.wed night...ne winds 10 to 15 kt. gusts up to 20 kt after
midnight. waves 2 to 4 ft. showers. patchy fog in the evening
with vsby 1 nm or less. 
.thu...ne winds 15 to 20 kt. waves 2 to 3 ft. a chance of showers
in the morning. 
.thu night...ne winds 10 to 15 kt with gusts up to 20 kt,
becoming e 5 to 10 kt after midnight. waves 2 to 3 ft. 
.fri through sat...sw winds 15 to 20 kt with gusts up to 25 kt.
waves 2 to 3 ft. 
.sat night...se winds 10 to 15 kt with gusts up to 20 kt. waves
2 to 3 ft. a chance of rain.  

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 311105
cwfbox
expires:202604010000;;587300

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 am edt tue mar 31 2026

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


anz237-010000-
block island sound-
705 am edt tue mar 31 2026

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

.today...sw winds 15 to 20 kt, increasing to 20 to 25 kt this
afternoon. gusts up to 30 kt. seas 5 to 7 ft. wave detail: s 6 ft
at 9 seconds and w 2 ft at 4 seconds. isolated showers this
morning. 
.tonight...sw winds 15 to 20 kt with gusts up to 30 kt. seas 5 to
8 ft. wave detail: s 7 ft at 9 seconds and w 3 ft at 5 seconds. 
.wed...sw winds 15 to 20 kt with gusts up to 30 kt. seas 5 to
8 ft. wave detail: s 7 ft at 9 seconds and w 3 ft at 5 seconds. a
chance of showers in the morning, then showers likely in the
afternoon. patchy fog in the morning with vsby 1 to 3 nm. 
.wed night...e winds 10 to 15 kt, becoming ne 15 to 20 kt after
midnight. seas 4 to 6 ft. wave detail: s 5 ft at 9 seconds and ne
2 ft at 3 seconds. showers. patchy fog in the evening with vsby
1 nm or less. 
.thu...ne winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: e 4 ft at 5 seconds and s 4 ft at 8 seconds. a
chance of showers in the morning. 
.thu night...e winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 2 to 4 ft. wave detail: e 3 ft at 5 seconds and s
3 ft at 7 seconds. 
.fri...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. 
.fri night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. 
.sat...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft. 
.sat night...se winds 15 to 20 kt. seas 2 to 4 ft. a chance of
rain.  

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 311105
cwfbox
expires:202604010000;;587294

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
705 am edt tue mar 31 2026

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


anz255-010000-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
705 am edt tue mar 31 2026

...small craft advisory in effect through late wednesday night...

.today...sw winds 20 to 25 kt with gusts up to 35 kt. seas 6 to
9 ft. wave detail: sw 9 ft at 8 seconds and sw 1 foot at
4 seconds. scattered showers this morning. 
.tonight...sw winds 20 to 25 kt with gusts up to 35 kt. seas 8 to
11 ft. wave detail: sw 11 ft at 9 seconds and sw 2 ft at
4 seconds. patchy fog after midnight with vsby 1 to 3 nm. 
.wed...sw winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. seas 8 to 11 ft. wave detail: s 11 ft at 9 seconds and
sw 2 ft at 4 seconds. patchy fog. a chance of showers in the
afternoon. vsby 1 nm or less. 
.wed night...nw winds 15 to 20 kt, becoming ne after midnight.
seas 5 to 7 ft. wave detail: sw 7 ft at 8 seconds and ne 2 ft at
4 seconds. showers likely. patchy fog in the evening with vsby
1 nm or less. 
.thu...ne winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
5 ft. wave detail: s 5 ft at 7 seconds and ne 4 ft at 4 seconds.
a chance of showers in the morning. 
.thu night...e winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. seas 3 to 5 ft. wave detail: ne 4 ft at 6 seconds
and s 3 ft at 7 seconds. 
.fri...s winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. 
.fri night and sat...sw winds 20 to 25 kt with gusts up to 30 kt,
becoming w 15 to 20 kt. seas 4 to 6 ft. 
.sat night...se winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 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.

$$