fzus51 kbox 042304
cwfbox
expires:202604051200;;842389

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

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


anz231-051200-
cape cod bay-
703 pm edt sat apr 4 2026

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

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

$$

fzus51 kbox 042304
cwfbox
expires:202604051200;;842393

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

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


anz232-051200-
nantucket sound-
703 pm edt sat apr 4 2026

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

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

$$

fzus51 kbox 042304
cwfbox
expires:202604051200;;842394

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

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


anz233-051200-
vineyard sound-
703 pm edt sat apr 4 2026

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

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

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 042304
cwfbox
expires:202604051200;;842395

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

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


anz234-051200-
buzzards bay-
703 pm edt sat apr 4 2026

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

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

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 042304
cwfbox
expires:202604051200;;842396

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

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


anz235-051200-
rhode island sound-
703 pm edt sat apr 4 2026

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

.tonight...e winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: e 4 ft at 6 seconds and s 3 ft at 6 seconds.
patchy fog after midnight with vsby 1 nm or less. 
.sun...sw winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft, building to 6 to 9 ft in the afternoon. wave detail: se
5 ft at 6 seconds, becoming s 7 ft at 7 seconds. patchy fog in
the morning. showers in the afternoon. vsby 1 nm or less in the
morning. 
.sun night...sw winds 10 to 15 kt, becoming nw after midnight.
gusts up to 25 kt. seas 6 to 9 ft, subsiding to 4 to 6 ft after
midnight. wave detail: sw 6 ft at 7 seconds, becoming s 6 ft at
8 seconds and w 1 foot at 4 seconds. showers in the evening. 
.mon...w winds 15 to 20 kt with gusts up to 25 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 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: s 4 ft at 8 seconds and w 2 ft at 4 seconds. 
.tue...w winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at 7 seconds. a
chance of showers. 
.tue night...nw winds 15 to 20 kt. seas 2 to 3 ft. 
.wed and wed night...ne winds 15 to 20 kt, becoming s around
10 kt. seas 2 to 3 ft. 
.thu and thu night...s winds 10 to 15 kt with gusts up to 20 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 042304
cwfbox
expires:202604051200;;842399

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

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


anz236-051200-
narragansett bay-
703 pm edt sat apr 4 2026

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

.tonight...e winds 10 to 15 kt. gusts up to 25 kt this evening.
waves 2 to 3 ft. patchy fog after midnight. a slight chance of
showers after midnight with vsby 1 nm or less. 
.sun...s winds 10 to 15 kt with gusts up to 25 kt. waves 3 to
5 ft. patchy fog in the morning. showers in the afternoon. vsby
1 nm or less in the morning. 
.sun night...w winds around 10 kt, becoming nw after midnight.
gusts up to 20 kt. waves 2 to 4 ft. showers in the evening. 
.mon...w winds 10 to 15 kt with gusts up to 20 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. 
.tue...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves around 2 ft. a chance of showers. 
.tue night...nw winds 10 to 15 kt. waves around 2 ft. 
.wed through thu night...sw winds 10 to 15 kt with gusts up to
20 kt. waves 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 042304
cwfbox
expires:202604051200;;842387

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

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


anz250-051200-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
703 pm edt sat apr 4 2026

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

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

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 042304
cwfbox
expires:202604051200;;842390

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

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


anz254-051200-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
703 pm edt sat apr 4 2026

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

.tonight...e winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: e 5 ft at 7 seconds and sw 2 ft at 6 seconds.
patchy fog after midnight with vsby 1 nm or less. 
.sun...s winds 15 to 20 kt, becoming sw 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 5 to 7 ft, building to 6 to
9 ft in the afternoon. wave detail: se 6 ft at 7 seconds,
becoming s 6 ft at 6 seconds and e 5 ft at 7 seconds. patchy fog.
showers in the afternoon. vsby 1 nm or less, increasing to 1 to
3 nm in the afternoon. 
.sun night...sw winds 15 to 20 kt, becoming w after midnight.
gusts up to 30 kt. seas 5 to 8 ft, subsiding to 4 to 6 ft after
midnight. wave detail: sw 6 ft at 7 seconds, becoming s 5 ft at
8 seconds and w 2 ft at 4 seconds. showers, mainly in the
evening. 
.mon...w winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 3 to 5 ft. wave detail: s 4 ft
at 8 seconds and nw 3 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 3 to 5 ft. wave
detail: s 4 ft at 8 seconds and w 2 ft at 5 seconds. 
.tue and tue night...n winds 20 to 25 kt. seas 2 to 4 ft. wave
detail: nw 4 ft at 4 seconds and s 3 ft at 8 seconds. a chance of
showers. 
.wed and wed night...n winds 15 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 042304
cwfbox
expires:202604051200;;842391

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

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


anz255-051200-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
703 pm edt sat apr 4 2026

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

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

$$