fzus51 kbox 040506
cwfbox
expires:202604041800;;798879

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt sat apr 4 2026

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


anz235-041800-
rhode island sound-
105 am edt sat apr 4 2026

...small craft advisory in effect until 5 am edt early this
morning...
...gale watch in effect from sunday morning through sunday
afternoon...

.rest of tonight...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: s 5 ft at 7 seconds and w 1 foot at
4 seconds. patchy fog. vsby 1 nm or less. 
.sat...nw winds 10 to 15 kt, becoming ne 15 to 20 kt with gusts
up to 25 kt in the afternoon. seas 3 to 4 ft. wave detail: s 4 ft
at 7 seconds and ne 2 ft at 3 seconds. patchy fog in the morning
with vsby 1 nm or less. 
.sat night...e winds 15 to 20 kt, becoming se 10 to 15 kt after
midnight. seas 2 to 4 ft. wave detail: e 3 ft at 4 seconds and s
3 ft at 7 seconds. patchy fog after midnight with vsby 1 to 3 nm.
.sun...sw winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft, building to 6 to 9 ft in the afternoon. wave detail: s 6 ft
at 5 seconds and se 1 foot at 8 seconds, becoming s 9 ft at
8 seconds and sw 1 foot at 4 seconds. patchy fog. a chance of
showers in the morning, then showers in the afternoon. vsby 1 nm
or less. 
.sun night...sw winds 20 to 25 kt, becoming nw around 15 kt after
midnight. seas 6 to 9 ft, subsiding to 4 to 6 ft after midnight.
wave detail: s 9 ft at 8 seconds and w 2 ft at 4 seconds,
becoming s 6 ft at 8 seconds and w 1 foot at 4 seconds. patchy
fog in the evening. showers in the evening with vsby 1 to 3 nm. 
.mon...w winds 15 to 20 kt. seas 3 to 5 ft. wave detail: s 5 ft
at 8 seconds and w 2 ft at 4 seconds. 
.mon night...w winds 15 to 20 kt, diminishing to 5 to 10 kt after
midnight. seas 2 to 4 ft. 
.tue...w winds 10 to 15 kt. seas 2 to 3 ft. a chance of showers. 
.tue night through wed night...s winds 15 to 20 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 040506
cwfbox
expires:202604041800;;798882

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt sat apr 4 2026

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


anz236-041800-
narragansett bay-
105 am edt sat apr 4 2026

.rest of tonight...sw winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. patchy fog. vsby 1 nm or less. 
.sat...n winds 5 to 10 kt, becoming ne 10 to 15 kt with gusts up
to 20 kt in the afternoon. waves 2 to 3 ft. patchy fog in the
morning with vsby 1 nm or less. 
.sat night...e winds 10 to 15 kt. gusts up to 20 kt in the
evening. waves 2 to 3 ft. patchy fog after midnight. a chance of
showers after midnight with vsby 1 to 3 nm. 
.sun...s winds 15 to 20 kt, becoming sw 20 to 25 kt in the
afternoon. gusts up to 30 kt. waves 2 to 4 ft, building to 4 to
6 ft in the afternoon. patchy fog. a chance of showers in the
morning, then showers in the afternoon. vsby 1 nm or less,
increasing to 1 to 3 nm in the afternoon. 
.sun night...w winds 15 to 20 kt with gusts up to 25 kt, becoming
nw 10 to 15 kt after midnight. waves 3 to 5 ft, subsiding to 2 to
3 ft after midnight. patchy fog in the evening. showers in the
evening. 
.mon and mon night...w winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.tue and tue night...w winds 10 to 15 kt, becoming nw. waves
around 2 ft. a chance of showers. 
.wed and wed night...ne winds 5 to 10 kt, becoming s. 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 040506
cwfbox
expires:202604041800;;798880

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt sat apr 4 2026

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


anz237-041800-
block island sound-
105 am edt sat apr 4 2026

...small craft advisory in effect until 5 am edt early this
morning...
...gale watch in effect from sunday morning through sunday
afternoon...

.rest of tonight...sw winds 10 to 15 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: sw 4 ft at 5 seconds and e 1 foot at
8 seconds. patchy fog. vsby 1 nm or less. 
.sat...nw winds 5 to 10 kt, becoming e 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: s 4 ft at
7 seconds and e 1 foot at 3 seconds. patchy fog in the morning
with vsby 1 nm or less. 
.sat night...e winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: e
3 ft at 4 seconds and se 3 ft at 7 seconds. patchy fog after
midnight. a chance of showers after midnight with vsby 1 to 3 nm.
.sun...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft, building to 5 to 8 ft in the afternoon. wave detail: s 5 ft
at 5 seconds and se 1 foot at 8 seconds, becoming s 7 ft at
8 seconds and w 2 ft at 5 seconds. patchy fog. a chance of
showers in the morning, then showers in the afternoon. vsby 1 nm
or less. 
.sun night...w winds 15 to 20 kt, becoming nw 10 to 15 kt after
midnight. gusts up to 25 kt. seas 5 to 7 ft. wave detail: s 6 ft
at 8 seconds and w 2 ft at 4 seconds. patchy fog in the evening.
showers in the evening with vsby 1 to 3 nm. 
.mon...w winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. wave detail: s 4 ft at 8 seconds and w 3 ft at 4 seconds. 
.mon night...sw winds 10 to 15 kt with gusts up to 20 kt,
becoming w 5 to 10 kt after midnight. seas 2 to 4 ft. 
.tue...w winds 10 to 15 kt. seas 2 to 3 ft. a chance of showers. 
.tue night through wed night...s winds 10 to 15 kt with gusts up
to 20 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 040506
cwfbox
expires:202604041800;;798874

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt sat apr 4 2026

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


anz255-041800-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
105 am edt sat apr 4 2026

...small craft advisory in effect until 1 pm edt this afternoon...
...gale watch in effect from sunday morning through sunday
afternoon...

.rest of tonight...sw winds 20 to 25 kt with gusts up to 30 kt.
seas 5 to 7 ft. wave detail: sw 7 ft at 7 seconds and e 3 ft at
7 seconds. patchy dense fog. vsby 1 nm or less. 
.sat...nw winds 15 to 20 kt, becoming ne in the afternoon. seas
4 to 6 ft, subsiding to 3 to 4 ft in the afternoon. wave detail:
sw 6 ft at 7 seconds and e 2 ft at 7 seconds, becoming sw 4 ft at
7 seconds and ne 2 ft at 3 seconds. patchy fog in the morning
with vsby 1 nm or less. 
.sat night...e winds 15 to 20 kt. seas 3 to 4 ft. wave detail: ne
3 ft at 4 seconds and sw 3 ft at 7 seconds. patchy fog. vsby 1 to
3 nm after midnight. 
.sun...s winds 20 to 25 kt, becoming sw 25 to 30 kt in the
afternoon. seas 5 to 7 ft, building to 8 to 11 ft in the
afternoon. wave detail: s 7 ft at 5 seconds and e 3 ft at
7 seconds, becoming sw 11 ft at 8 seconds and e 3 ft at
8 seconds. patchy fog. showers likely in the afternoon. vsby 1 nm
or less. 
.sun night...sw winds 20 to 25 kt with gusts up to 30 kt,
becoming nw around 15 kt with gusts up to 20 kt after midnight.
seas 7 to 10 ft, subsiding to 5 to 8 ft after midnight. wave
detail: sw 10 ft at 8 seconds and e 2 ft at 8 seconds, becoming
sw 7 ft at 8 seconds and e 2 ft at 7 seconds. showers, mainly in
the evening. patchy fog in the evening with vsby 1 to 3 nm. 
.mon and mon night...w winds 15 to 20 kt. seas 4 to 6 ft. wave
detail: sw 6 ft at 8 seconds and w 4 ft at 5 seconds. 
.tue...w winds 10 to 15 kt. seas 2 to 3 ft. a chance of showers. 
.tue night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. 
.wed...ne winds 15 to 20 kt. seas 3 to 5 ft. 
.wed night...s winds 5 to 10 kt. seas 2 to 4 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.

$$