fzus51 kbox 051406
cwfbox
expires:202604060300;;874338

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 am edt sun apr 5 2026

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


anz231-060300-
cape cod bay-
1006 am edt sun apr 5 2026

...small craft advisory in effect until 8 pm edt this evening...

.this afternoon...sw winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 4 ft. wave detail: s 3 ft at 5 seconds and ne 3 ft at
7 seconds. patchy fog. a chance of showers. showers with isolated
tstms. vsby 1 nm or less. 
.tonight...sw winds 15 to 20 kt, becoming w after midnight. gusts
up to 25 kt. seas 2 to 4 ft. wave detail: s 3 ft at 4 seconds and
s 3 ft at 7 seconds. patchy fog in the evening. a chance of
showers in the evening with vsby 1 nm or less. 
.mon...w winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 2 to 3 ft. wave detail: nw
3 ft at 4 seconds and s 2 ft at 8 seconds. 
.mon night...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas around 2 ft. wave
detail: w 2 ft at 4 seconds and s 2 ft at 8 seconds. 
.tue...sw winds 5 to 10 kt, becoming w 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas around 2 ft. wave detail: w 2 ft
at 3 seconds and s 2 ft at 7 seconds. a chance of showers. 
.tue night...n winds 10 to 15 kt, becoming nw 15 to 20 kt after
midnight. seas 2 to 3 ft. wave detail: n 3 ft at 4 seconds and s
2 ft at 7 seconds. 
.wed through thu night...s 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.

$$

fzus51 kbox 051406
cwfbox
expires:202604060300;;874342

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 am edt sun apr 5 2026

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


anz232-060300-
nantucket sound-
1006 am edt sun apr 5 2026

...small craft advisory in effect until 8 pm edt this evening...

.this afternoon...sw winds 20 to 25 kt with gusts up to 30 kt.
seas 4 to 6 ft. wave detail: s 4 ft at 6 seconds and e 2 ft at
7 seconds. patchy fog. a slight chance of showers, then showers
likely with isolated tstms. vsby 1 nm or less. 
.tonight...sw winds 20 to 25 kt, becoming nw 10 to 15 kt after
midnight. gusts up to 30 kt. seas 4 to 6 ft, subsiding to 2 to
4 ft after midnight. wave detail: sw 4 ft at 4 seconds and sw
3 ft at 8 seconds, becoming w 2 ft at 4 seconds and s 2 ft at
8 seconds. patchy fog in the evening. showers in the evening with
vsby 1 nm or less. 
.mon...w winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: w 3 ft at 4 seconds and s 2 ft at 8 seconds. 
.mon night...w winds 15 to 20 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 4 ft. wave
detail: w 3 ft at 4 seconds and sw 2 ft at 8 seconds. 
.tue...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: s 2 ft at 3 seconds and sw 2 ft at
7 seconds. a chance of showers.
.tue night...nw winds 10 to 15 kt, becoming n 15 to 20 kt after
midnight. seas 2 to 3 ft. wave detail: n 2 ft at 4 seconds and sw
2 ft at 6 seconds. 
.wed through thu night...s winds 10 to 15 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.

$$

fzus51 kbox 051406
cwfbox
expires:202604060300;;874343

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 am edt sun apr 5 2026

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


anz233-060300-
vineyard sound-
1006 am edt sun apr 5 2026

...small craft advisory in effect until 8 pm edt this evening...

.this afternoon...sw winds 20 to 25 kt with gusts up to 30 kt.
seas 4 to 6 ft. wave detail: sw 5 ft at 7 seconds and sw 2 ft at
4 seconds. patchy fog. a slight chance of showers. showers with a
slight chance of tstms. vsby 1 nm or less. 
.tonight...sw winds 20 to 25 kt, becoming nw 10 to 15 kt after
midnight. seas 4 to 6 ft, subsiding to 3 to 4 ft after midnight.
wave detail: sw 6 ft at 8 seconds and sw 2 ft at 4 seconds,
becoming sw 4 ft at 8 seconds and w 1 foot at 4 seconds. patchy
fog in the evening. showers in the evening with vsby 1 nm or
less.
.mon...w winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: sw 4 ft at 8 seconds and w 2 ft at 4 seconds. 
.mon night...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 4 ft. wave
detail: sw 4 ft at 8 seconds and w 2 ft at 4 seconds. 
.tue...sw winds 10 to 15 kt, becoming w 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at 7 seconds and
sw 2 ft at 4 seconds. a chance of showers. 
.tue night...nw winds 15 to 20 kt. seas 2 to 3 ft. wave detail:
sw 3 ft at 6 seconds and n 2 ft at 4 seconds. 
.wed and wed night...ne winds 10 to 15 kt, becoming s 5 to 10 kt.
seas around 2 ft. 
.thu and thu night...s winds 10 to 15 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.

$$

fzus51 kbox 051406
cwfbox
expires:202604060300;;874344

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 am edt sun apr 5 2026

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


anz234-060300-
buzzards bay-
1006 am edt sun apr 5 2026

...small craft advisory in effect until 8 pm edt this evening...

.this afternoon...sw winds 20 to 25 kt with gusts up to 30 kt.
seas 4 to 5 ft. wave detail: sw 5 ft at 7 seconds and sw 3 ft at
4 seconds. patchy fog. a chance of showers. showers with a slight
chance of tstms. vsby 1 nm or less. 
.tonight...sw winds 15 to 20 kt, becoming nw 10 to 15 kt after
midnight. gusts up to 25 kt. seas 3 to 5 ft. wave detail: sw 5 ft
at 8 seconds and s 3 ft at 5 seconds. patchy fog in the evening.
showers in the evening with vsby 1 nm or less. 
.mon...w winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: sw 3 ft at 5 seconds and sw 3 ft at 8 seconds.
.mon night...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 3 ft. wave
detail: sw 3 ft at 8 seconds and w 2 ft at 5 seconds. 
.tue...sw winds 10 to 15 kt, becoming w with gusts up to 20 kt in
the afternoon. seas 2 to 3 ft. wave detail: s 2 ft at 3 seconds
and sw 2 ft at 7 seconds. a chance of showers. 
.tue night...nw winds 10 to 15 kt with gusts up to 20 kt. seas
around 2 ft. wave detail: n 2 ft at 4 seconds and sw 2 ft at
6 seconds. 
.wed and wed night...ne winds 10 to 15 kt, becoming s 5 to 10 kt.
seas around 2 ft. 
.thu and thu night...s winds 10 to 15 kt. 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.

$$

fzus51 kbox 051406
cwfbox
expires:202604060300;;874345

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 am edt sun apr 5 2026

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


anz235-060300-
rhode island sound-
1006 am edt sun apr 5 2026

...small craft advisory in effect through late tonight...

.this afternoon...sw winds 20 to 25 kt with gusts up to 30 kt.
seas 4 to 5 ft, building to 5 to 7 ft. wave detail: s 5 ft at
5 seconds and e 2 ft at 7 seconds, becoming s 7 ft at 7 seconds
and sw 1 foot at 4 seconds. patchy fog. a chance of showers.
showers with a slight chance of tstms. vsby 1 nm or less. 
.tonight...sw winds 15 to 20 kt, becoming nw after midnight.
gusts up to 25 kt. seas 5 to 7 ft. wave detail: s 7 ft at
8 seconds and sw 1 foot at 4 seconds. patchy fog in the evening.
showers in the evening with vsby 1 nm or less. 
.mon...w winds 15 to 20 kt with gusts up to 25 kt. seas 4 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 3 to 5 ft, subsiding to 2 to 3 ft after midnight.
wave detail: s 5 ft at 8 seconds and w 2 ft at 4 seconds,
becoming s 3 ft at 8 seconds and w 1 foot at 4 seconds. 
.tue...sw winds 10 to 15 kt, becoming w 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds and w
2 ft at 4 seconds. a chance of showers. 
.tue night...nw winds 15 to 20 kt. seas 2 to 3 ft. wave detail: n
3 ft at 4 seconds and sw 3 ft at 6 seconds. 
.wed and wed night...ne winds 10 to 15 kt, becoming s. seas 2 to
3 ft. 
.thu and thu night...s winds 10 to 15 kt. seas 3 to 5 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 051406
cwfbox
expires:202604060300;;874348

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 am edt sun apr 5 2026

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


anz236-060300-
narragansett bay-
1006 am edt sun apr 5 2026

...small craft advisory in effect until 8 pm edt this evening...

.this afternoon...sw winds 15 to 20 kt with gusts up to 30 kt.
waves 3 to 5 ft. patchy fog. a chance of showers. showers with a
slight chance of tstms. vsby 1 nm or less. 
.tonight...sw winds 10 to 15 kt, becoming nw after midnight.
gusts up to 20 kt. waves 2 to 4 ft. patchy fog in the evening. a
chance of showers in the evening with vsby 1 nm or less. 
.mon...w winds 10 to 15 kt with gusts up to 25 kt. waves 2 to
3 ft. 
.mon night...w winds 10 to 15 kt, diminishing to around 5 kt
after midnight. waves 2 to 3 ft. a chance of showers after
midnight. 
.tue...sw winds 10 to 15 kt, becoming w with gusts up to 20 kt in
the afternoon. waves around 2 ft. a chance of showers. 
.tue night...nw winds 10 to 15 kt. gusts up to 20 kt in the
evening. waves around 2 ft. 
.wed through thu night...s winds 10 to 15 kt with gusts up to
20 kt. waves 2 to 3 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 051406
cwfbox
expires:202604060300;;874336

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 am edt sun apr 5 2026

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


anz250-060300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1006 am edt sun apr 5 2026

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

.this afternoon...sw winds 15 to 20 kt with gusts up to 30 kt.
seas 5 to 7 ft. wave detail: e 6 ft at 7 seconds and s 3 ft at
5 seconds. patchy fog. a chance of showers. showers with isolated
tstms. vsby 1 nm or less. 
.tonight...w winds 15 to 20 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: w 4 ft at 4 seconds and e 4 ft at 8 seconds.
patchy fog in the evening. showers in the evening with vsby 1 nm
or less. 
.mon...w winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: w 4 ft at 5 seconds and e 2 ft at 8 seconds. 
.mon night...w winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. seas 2 to 3 ft. wave detail: w 3 ft at 4 seconds and se
2 ft at 8 seconds. 
.tue...s winds around 10 kt, becoming nw in the afternoon. seas
2 to 3 ft. wave detail: se 2 ft at 3 seconds and w 2 ft at
3 seconds. showers likely with a chance of snow showers in the
morning, then a chance of showers in the afternoon. 
.tue night...nw winds 15 to 20 kt. seas 2 to 4 ft. wave detail: n
4 ft at 5 seconds and s 1 foot at 7 seconds. a chance of snow
showers in the evening. 
.wed and wed night...n winds 10 to 15 kt, becoming s 15 to 20 kt.
seas 3 to 5 ft. 
.thu and thu night...s winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 6 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 051406
cwfbox
expires:202604060300;;874339

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 am edt sun apr 5 2026

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


anz254-060300-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1006 am edt sun apr 5 2026

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

.this afternoon...sw winds 20 to 25 kt with gusts up to 30 kt.
seas 6 to 8 ft. wave detail: s 6 ft at 5 seconds and e 5 ft at
7 seconds. patchy fog. a slight chance of showers. a chance of
showers. vsby 1 nm or less. 
.tonight...sw winds 20 to 25 kt, becoming w 15 to 20 kt after
midnight. gusts up to 30 kt. seas 5 to 8 ft. wave detail: s 6 ft
at 7 seconds and w 3 ft at 4 seconds. patchy fog in the evening.
showers in the evening with vsby 1 nm or less. 
.mon...w winds 15 to 20 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: w 4 ft at 5 seconds and s 4 ft at 8 seconds. 
.mon night...w winds 15 to 20 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. seas 4 to 6 ft,
subsiding to 2 to 4 ft after midnight. wave detail: s 4 ft at
8 seconds and nw 3 ft at 5 seconds, becoming s 3 ft at 8 seconds
and nw 2 ft at 5 seconds. 
.tue...sw winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: s 3 ft at 8 seconds and w 2 ft at
4 seconds. a chance of showers. 
.tue night...n winds 15 to 20 kt. seas 2 to 4 ft. wave detail: n
4 ft at 5 seconds and s 2 ft at 7 seconds. 
.wed and wed night...ne winds 10 to 15 kt with gusts up to 20 kt,
becoming s 5 to 10 kt. seas 3 to 5 ft. 
.thu and thu night...s winds 10 to 15 kt with gusts up to 20 kt.
seas 4 to 6 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 051406
cwfbox
expires:202604060300;;874340

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1006 am edt sun apr 5 2026

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


anz255-060300-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1006 am edt sun apr 5 2026

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

.this afternoon...sw winds 20 to 25 kt with gusts up to 30 kt.
seas 5 to 7 ft, building to 6 to 9 ft. wave detail: s 6 ft at
5 seconds and e 3 ft at 7 seconds, becoming sw 9 ft at 8 seconds
and e 3 ft at 7 seconds. patchy fog. a slight chance of showers,
then a chance of showers. vsby 1 nm or less. 
.tonight...sw winds 20 to 25 kt, becoming nw around 15 kt after
midnight. gusts up to 30 kt. seas 6 to 9 ft. wave detail: sw 9 ft
at 8 seconds and e 3 ft at 8 seconds. patchy fog in the evening.
showers in the evening with vsby 1 nm or less. 
.mon...w winds 15 to 20 kt with gusts up to 25 kt. seas 5 to
6 ft. wave detail: sw 6 ft at 8 seconds and w 3 ft at 5 seconds. 
.mon night...w winds 15 to 20 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. seas 4 to 6 ft,
subsiding to 3 to 4 ft after midnight. wave detail: sw 6 ft at
8 seconds and w 1 foot at 4 seconds, becoming sw 4 ft at
7 seconds and nw 1 foot at 4 seconds. 
.tue...sw winds 10 to 15 kt, becoming w 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: s 3 ft at 7 seconds. a
chance of showers. 
.tue night...nw winds 15 to 20 kt. seas 2 to 4 ft. wave detail: w
4 ft at 6 seconds and n 2 ft at 4 seconds. 
.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. 
.thu and thu night...s winds 10 to 15 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.

$$