fzus51 kbox 060204
cwfbox
expires:202604061500;;900294

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sun apr 5 2026

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


anz231-061500-
cape cod bay-
1003 pm edt sun apr 5 2026

.overnight...w winds around 10 kt, increasing to 15 to 20 kt.
gusts up to 25 kt. seas 2 to 3 ft. wave detail: w 2 ft at
3 seconds and e 1 foot at 7 seconds. areas of fog. a slight
chance of rain. vsby 1 to 3 nm. 
.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: w 3 ft
at 4 seconds and se 1 foot at 7 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 se 1 foot at 8 seconds. 
.tue...w winds around 10 kt, becoming nw in the afternoon. seas
1 foot or less. wave detail: w 1 foot at 4 seconds and se 1 foot
at 7 seconds. a chance of rain. 
.tue night...nw winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. seas 2 to 3 ft. wave detail: nw 3 ft at 4 seconds
and se 1 foot at 7 seconds. a chance of rain in the evening. 
.wed and wed night...s winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: n 2 ft at 5 seconds. 
.thu through fri...s winds 10 to 15 kt with gusts up to 20 kt.
seas 1 to 2 ft. 
.fri night...sw winds 10 to 15 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 060204
cwfbox
expires:202604061500;;900298

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sun apr 5 2026

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


anz232-061500-
nantucket sound-
1003 pm edt sun apr 5 2026

.overnight...w winds 10 to 15 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: sw 2 ft at 3 seconds and s 2 ft at
8 seconds. areas of fog. a chance of rain. 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 se 2 ft at 8 seconds. 
.mon night...w winds 10 to 15 kt with gusts up to 25 kt, becoming
nw 5 to 10 kt after midnight. seas 2 to 4 ft. wave detail: w 3 ft
at 4 seconds and s 2 ft at 8 seconds. 
.tue...w winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: w 2 ft at 3 seconds and
s 1 foot at 7 seconds. a chance of rain. 
.tue night...nw winds 10 to 15 kt, becoming n 15 to 20 kt after
midnight. seas around 2 ft. wave detail: nw 2 ft at 4 seconds and
se 1 foot at 8 seconds. 
.wed and wed night...s winds 10 to 15 kt with gusts up to 20 kt.
seas 1 to 2 ft. wave detail: nw 2 ft at 3 seconds and ne 1 foot
at 6 seconds. 
.thu through fri...s winds 10 to 15 kt. seas 1 to 2 ft. 
.fri night...sw winds around 10 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 060204
cwfbox
expires:202604061500;;900299

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sun apr 5 2026

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


anz233-061500-
vineyard sound-
1003 pm edt sun apr 5 2026

.overnight...w winds 10 to 15 kt with gusts up to 25 kt. seas
3 to 4 ft. wave detail: sw 4 ft at 8 seconds and sw 1 foot at
4 seconds. areas of fog. a slight chance of rain. vsby 1 to 3 nm.
.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 3 ft at 5 seconds. 
.mon night...w winds 10 to 15 kt with gusts up to 20 kt, becoming
nw 5 to 10 kt after midnight. seas 2 to 4 ft. wave detail: sw
4 ft at 8 seconds and w 2 ft at 5 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 s 2 ft at
7 seconds. a chance of rain. 
.tue night...nw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: w 2 ft at 5 seconds and s 1 foot at
8 seconds. 
.wed and wed night...s winds 10 to 15 kt with gusts up to 20 kt.
seas 1 to 2 ft. wave detail: w 2 ft at 4 seconds and ne 1 foot at
5 seconds. 
.thu through fri...s winds 10 to 15 kt. seas 1 to 2 ft. 
.fri night...sw winds 10 to 15 kt. seas 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 060204
cwfbox
expires:202604061500;;900300

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sun apr 5 2026

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


anz234-061500-
buzzards bay-
1003 pm edt sun apr 5 2026

.overnight...w winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: sw 3 ft at 8 seconds and w 2 ft at
4 seconds. areas of fog. vsby 1 to 3 nm. 
.mon...w winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: w 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, becoming
nw 5 to 10 kt after midnight. seas 2 to 3 ft. wave detail: s 3 ft
at 8 seconds and w 2 ft at 5 seconds. 
.tue...w winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas around 2 ft. wave detail: sw
2 ft at 4 seconds and s 2 ft at 7 seconds. a chance of rain. 
.tue night...nw winds 10 to 15 kt. seas around 2 ft. wave detail:
nw 2 ft at 4 seconds and s 1 foot at 7 seconds. a chance of rain
in the evening. 
.wed and wed night...s winds 10 to 15 kt with gusts up to 20 kt.
seas 1 to 2 ft. wave detail: w 1 foot at 4 seconds and ne 1 foot
at 5 seconds. 
.thu through fri...s winds 10 to 15 kt. seas 1 to 2 ft. 
.fri night...sw winds 10 to 15 kt. seas 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 060204
cwfbox
expires:202604061500;;900301

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sun apr 5 2026

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


anz235-061500-
rhode island sound-
1003 pm edt sun apr 5 2026

...small craft advisory in effect until 2 am edt monday...

.overnight...w winds 10 to 15 kt with gusts up to 20 kt. seas
4 to 6 ft. wave detail: s 6 ft at 8 seconds and w 1 foot at
4 seconds. areas of fog. vsby 1 to 3 nm. 
.mon...w winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
5 ft. wave detail: sw 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, becoming
nw 5 to 10 kt after midnight. seas 2 to 4 ft. wave detail: s 4 ft
at 8 seconds and w 2 ft at 5 seconds. 
.tue...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 4 ft. wave detail: sw 3 ft at 6 seconds. a chance of
rain. 
.tue night...nw winds 15 to 20 kt. seas 2 to 4 ft. wave detail:
nw 3 ft at 4 seconds and s 2 ft at 7 seconds. 
.wed and wed night...s winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: nw 2 ft at 4 seconds and ne 2 ft
at 7 seconds. 
.thu through fri night...sw 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 060204
cwfbox
expires:202604061500;;900304

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sun apr 5 2026

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


anz236-061500-
narragansett bay-
1003 pm edt sun apr 5 2026

.overnight...w winds 10 to 15 kt. gusts up to 20 kt. waves 2 to
3 ft. areas of fog. vsby 1 to 3 nm. 
.mon...w winds 10 to 15 kt with gusts up to 25 kt. waves 2 to
3 ft. 
.mon night...w winds 5 to 10 kt. waves 2 to 3 ft. 
.tue...w winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. waves around 2 ft. a chance of
rain. 
.tue night...nw winds 10 to 15 kt. waves around 2 ft. a chance of
rain in the evening. 
.wed and wed night...s winds 5 to 10 kt with gusts up to 20 kt.
waves around 2 ft. 
.thu through fri...s winds 10 to 15 kt. waves 1 to 2 ft. 
.fri night...sw winds around 10 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 060204
cwfbox
expires:202604061500;;900292

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sun apr 5 2026

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


anz250-061500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1003 pm edt sun apr 5 2026

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

.overnight...w winds 10 to 15 kt with gusts up to 20 kt,
increasing to 15 to 20 kt with gusts up to 30 kt. seas 3 to 5 ft.
wave detail: e 4 ft at 7 seconds and w 3 ft at 4 seconds. areas
of fog. vsby 1 to 3 nm. 
.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 se 3 ft at 8 seconds. 
.mon night...w winds 10 to 15 kt. seas 2 to 3 ft. wave detail: w
3 ft at 4 seconds and se 2 ft at 8 seconds. 
.tue...w winds around 10 kt, becoming n in the afternoon. seas
2 to 3 ft. wave detail: w 2 ft at 4 seconds and se 2 ft at
8 seconds. rain likely. 
.tue night...nw winds 15 to 20 kt. seas 2 to 4 ft. wave detail: n
3 ft at 4 seconds and e 2 ft at 8 seconds. a chance of rain in
the evening. 
.wed and wed night...sw winds 10 to 15 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: nw 3 ft at 5 seconds and e 3 ft at
8 seconds. 
.thu through fri...s winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. 
.fri night...sw winds 15 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 060204
cwfbox
expires:202604061500;;900295

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sun apr 5 2026

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


anz254-061500-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1003 pm edt sun apr 5 2026

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

.overnight...w winds 10 to 15 kt, increasing to 15 to 20 kt.
gusts up to 25 kt. seas 5 to 7 ft. wave detail: s 5 ft at
8 seconds and w 2 ft at 4 seconds. a chance of rain, then a
slight chance of showers. areas of fog. 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 4 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 w 3 ft at 5 seconds, becoming s 3 ft at 8 seconds
and nw 2 ft at 5 seconds. 
.tue...w winds 10 to 15 kt. seas 2 to 4 ft. wave detail: s 3 ft
at 8 seconds and w 2 ft at 4 seconds. a chance of rain. 
.tue night...nw winds 10 to 15 kt, becoming n 15 to 20 kt after
midnight. seas 3 to 4 ft. wave detail: n 4 ft at 5 seconds and se
2 ft at 7 seconds. 
.wed and wed night...s winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. wave detail: n 3 ft at 6 seconds. 
.thu and thu night...s winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.fri and fri 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.

$$

fzus51 kbox 060204
cwfbox
expires:202604061500;;900296

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sun apr 5 2026

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


anz255-061500-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1003 pm edt sun apr 5 2026

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

.overnight...w winds around 15 kt with gusts up to 25 kt. seas
5 to 7 ft. wave detail: sw 7 ft at 8 seconds and w 1 foot at
4 seconds. areas of fog. a chance of rain, then a slight chance
of showers. vsby 1 nm or less, increasing to 1 to 3 nm. 
.mon...w winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. seas 4 to 6 ft. wave detail: sw 6 ft at 8 seconds and
w 4 ft at 5 seconds. 
.mon night...w winds 15 to 20 kt with gusts up to 25 kt, becoming
nw 5 to 10 kt after midnight. seas 4 to 6 ft. wave detail: sw
6 ft at 8 seconds and w 3 ft at 5 seconds. 
.tue...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 4 ft. wave detail: sw 4 ft at 7 seconds. a chance of
rain. 
.tue night...nw winds 15 to 20 kt. seas 3 to 4 ft. wave detail: w
4 ft at 6 seconds and e 3 ft at 7 seconds. 
.wed...n winds 15 to 20 kt, becoming e around 10 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: nw
3 ft at 5 seconds and ne 3 ft at 5 seconds. 
.wed night...se winds 5 to 10 kt. seas around 2 ft. 
.thu and thu night...se winds 10 to 15 kt. seas 2 to 3 ft. 
.fri and fri 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.

$$