fzus51 kbox 281704
cwfbox
expires:202603290600;;440892

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat mar 28 2026

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


anz231-290600-
cape cod bay-
104 pm edt sat mar 28 2026

.this afternoon...n winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: n 2 ft at 5 seconds and se 1 foot
at 8 seconds. 
.tonight...s winds 5 to 10 kt, becoming nw 10 to 15 kt after
midnight. seas around 2 ft. wave detail: n 2 ft at 5 seconds and
se 1 foot at 8 seconds. 
.sun...w winds 5 to 10 kt, becoming sw 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas around 2 ft. wave detail: n 2 ft
at 5 seconds and se 1 foot at 8 seconds. 
.sun night...sw winds around 15 kt with gusts up to 25 kt. seas
around 2 ft. wave detail: sw 2 ft at 4 seconds and ne 1 foot at
5 seconds. 
.mon and mon night...sw winds 10 to 15 kt with gusts up to 25 kt.
seas around 2 ft. wave detail: sw 2 ft at 3 seconds and e 1 foot
at 8 seconds. 
.tue...s winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: s 3 ft at 4 seconds and s 2 ft at 9 seconds. a
chance of rain. 
.tue night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
3 to 5 ft. 
.wed...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. a chance of rain. 
.wed night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. rain likely.  

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 281704
cwfbox
expires:202603290600;;440896

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat mar 28 2026

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


anz232-290600-
nantucket sound-
104 pm edt sat mar 28 2026

.this afternoon...n winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: n 2 ft at 4 seconds and s 1 foot at
8 seconds. 
.tonight...nw winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas around 2 ft. wave detail: nw 2 ft at 3 seconds and
ne 2 ft at 4 seconds. 
.sun...w winds 5 to 10 kt, becoming sw 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 2 to 3 ft. wave detail: sw 3 ft
at 4 seconds and ne 1 foot at 5 seconds. 
.sun night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: sw 3 ft at 4 seconds and ne 1 foot at
5 seconds. 
.mon and mon night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: sw 4 ft at 5 seconds and se 2 ft at
9 seconds. 
.tue...sw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: s 3 ft at 4 seconds and sw 2 ft at 8 seconds. 
.tue night...sw winds 25 to 30 kt with gusts up to 35 kt. seas
4 to 6 ft. 
.wed...sw winds 25 to 30 kt with gusts up to 35 kt. seas 4 to
6 ft. a chance of rain. 
.wed night...w winds 20 to 25 kt. seas 4 to 6 ft. rain likely.  

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 281704
cwfbox
expires:202603290600;;440897

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat mar 28 2026

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


anz233-290600-
vineyard sound-
104 pm edt sat mar 28 2026

.this afternoon...n winds 10 to 15 kt. seas around 2 ft. wave
detail: s 2 ft at 8 seconds and n 1 foot at 4 seconds. 
.tonight...nw winds 10 to 15 kt. seas around 2 ft. wave detail: w
2 ft at 4 seconds and s 2 ft at 7 seconds. 
.sun...w winds 5 to 10 kt, becoming sw 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 2 to 3 ft. wave detail: sw 3 ft
at 4 seconds and ne 1 foot at 5 seconds. 
.sun night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: sw 4 ft at 5 seconds and ne 1 foot at
5 seconds. 
.mon and mon night...sw winds 20 to 25 kt. seas 2 to 4 ft. wave
detail: sw 4 ft at 7 seconds. 
.tue...sw winds 20 to 25 kt. seas 3 to 5 ft. wave detail: sw 5 ft
at 8 seconds and sw 2 ft at 4 seconds. a chance of rain. 
.tue night...sw winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 7 ft. 
.wed...sw winds 25 to 30 kt with gusts up to 35 kt. seas 5 to
7 ft. a chance of rain. 
.wed night...w winds 20 to 25 kt. seas 4 to 6 ft. rain likely.  

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 281704
cwfbox
expires:202603290600;;440898

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat mar 28 2026

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


anz234-290600-
buzzards bay-
104 pm edt sat mar 28 2026

.this afternoon...n winds 10 to 15 kt. seas around 2 ft. wave
detail: n 2 ft at 4 seconds and s 1 foot at 8 seconds. 
.tonight...nw winds 10 to 15 kt. seas around 2 ft. wave detail:
nw 2 ft at 3 seconds and ne 1 foot at 3 seconds. 
.sun...w winds 5 to 10 kt, becoming sw 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 1 foot or less, then 2 to 3 ft in
the afternoon. wave detail: w 1 foot at 4 seconds and ne 1 foot
at 5 seconds, becoming sw 3 ft at 4 seconds and ne 1 foot at
5 seconds. 
.sun night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: sw 4 ft at 5 seconds and ne 1 foot at
5 seconds. 
.mon and mon night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: sw 4 ft at 5 seconds and sw 4 ft at
8 seconds. 
.tue...sw winds 20 to 25 kt. seas 2 to 4 ft. wave detail: sw 4 ft
at 8 seconds and sw 3 ft at 4 seconds. a chance of rain. 
.tue night...sw winds 25 to 30 kt with gusts up to 35 kt. seas
3 to 5 ft. 
.wed...sw winds 25 to 30 kt with gusts up to 35 kt. seas 4 to
6 ft. a chance of rain. 
.wed night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. rain likely.  

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 281704
cwfbox
expires:202603290600;;440899

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat mar 28 2026

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


anz235-290600-
rhode island sound-
104 pm edt sat mar 28 2026

.this afternoon...nw winds 10 to 15 kt. seas 2 to 3 ft. wave
detail: s 3 ft at 8 seconds and n 2 ft at 4 seconds. 
.tonight...nw winds 10 to 15 kt. seas around 2 ft. wave detail:
nw 2 ft at 3 seconds and s 2 ft at 7 seconds. 
.sun...w winds 5 to 10 kt, becoming sw 15 to 20 kt with gusts up
to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: sw 4 ft
at 4 seconds and ne 1 foot at 4 seconds. 
.sun night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: sw 5 ft at 6 seconds and se 1 foot at
8 seconds. 
.mon and mon night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: sw 5 ft at 7 seconds. 
.tue...sw winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: s 6 ft at 8 seconds and sw 1 foot at
3 seconds. a chance of rain. 
.tue night...sw winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 8 ft. 
.wed...sw winds 25 to 30 kt with gusts up to 35 kt. seas 7 to
8 ft. a chance of rain. 
.wed night...nw winds 20 to 25 kt. seas 5 to 7 ft. rain likely.  

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 281704
cwfbox
expires:202603290600;;440902

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat mar 28 2026

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


anz236-290600-
narragansett bay-
104 pm edt sat mar 28 2026

.this afternoon...nw winds around 10 kt. waves around 2 ft. 
.tonight...nw winds 5 to 10 kt. waves around 2 ft. 
.sun...w winds 5 to 10 kt, becoming sw 10 to 15 kt with gusts up
to 25 kt in the afternoon. waves 1 foot or less, then 2 to 3 ft
in the afternoon. 
.sun night...sw winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 3 ft. 
.mon and mon night...sw winds 15 to 20 kt with gusts up to 25 kt.
waves 2 to 3 ft. 
.tue...sw winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
4 ft. a chance of rain. 
.tue night...sw winds 20 to 25 kt with gusts up to 30 kt. waves
3 to 5 ft. 
.wed...sw winds 20 to 25 kt with gusts up to 30 kt. waves 6 to
7 ft. a chance of rain. 
.wed night...nw winds 15 to 20 kt with gusts up to 25 kt. waves
5 to 7 ft. rain likely.  

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 281704
cwfbox
expires:202603290600;;440890

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat mar 28 2026

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


anz250-290600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 pm edt sat mar 28 2026

.this afternoon...n winds 10 to 15 kt. seas 2 to 4 ft. wave
detail: e 3 ft at 7 seconds. 
.tonight...s winds 10 to 15 kt, becoming nw with gusts up to
20 kt after midnight. seas 2 to 3 ft. wave detail: ne 3 ft at
5 seconds and nw 2 ft at 3 seconds. 
.sun...w winds 10 to 15 kt, becoming sw 15 to 20 kt with gusts up
to 30 kt in the afternoon. seas 2 to 4 ft. wave detail: sw 3 ft
at 4 seconds and ne 1 foot at 5 seconds. 
.sun night...sw winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: sw 4 ft at 5 seconds and e 1 foot at
8 seconds. 
.mon and mon night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: s 4 ft at 4 seconds and e 1 foot at
8 seconds. 
.tue...s winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: se 4 ft at 5 seconds and e 1 foot at
8 seconds. a chance of rain. 
.tue night...sw winds 20 to 25 kt with gusts up to 35 kt. seas
4 to 6 ft. a chance of rain. 
.wed...sw winds 20 to 25 kt with gusts up to 35 kt. seas 5 to
7 ft. a chance of rain. 
.wed night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. rain likely.  

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 281704
cwfbox
expires:202603290600;;440893

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat mar 28 2026

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


anz254-290600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
104 pm edt sat mar 28 2026

.this afternoon...n winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 4 ft. wave detail: n 4 ft at 5 seconds and s 2 ft at
8 seconds. 
.tonight...nw winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. seas 2 to 4 ft. wave detail: n 3 ft at 5 seconds and se
2 ft at 8 seconds. 
.sun...w winds around 10 kt, becoming sw 15 to 20 kt with gusts
up to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: sw
3 ft at 4 seconds and ne 2 ft at 5 seconds. 
.sun night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. wave detail: sw 4 ft at 5 seconds and e 2 ft at
8 seconds. 
.mon and mon night...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: sw 5 ft at 5 seconds and se 4 ft at
8 seconds. 
.tue...sw winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: s 5 ft at 8 seconds and s 4 ft at 5 seconds. 
.tue night...sw winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 8 ft. 
.wed...sw winds 25 to 30 kt with gusts up to 35 kt. seas 6 to
9 ft. a chance of rain. 
.wed night...w winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 ft. rain likely.  

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 281704
cwfbox
expires:202603290600;;440894

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat mar 28 2026

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


anz255-290600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
104 pm edt sat mar 28 2026

.this afternoon...n winds 15 to 20 kt. seas 3 to 4 ft. wave
detail: n 3 ft at 5 seconds and s 3 ft at 8 seconds. 
.tonight...nw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 2 to 3 ft. wave detail: sw 3 ft at 6 seconds and
ne 2 ft at 5 seconds. 
.sun...nw winds 10 to 15 kt, becoming sw 15 to 20 kt with gusts
up to 25 kt in the afternoon. seas 2 to 4 ft. wave detail: w 4 ft
at 5 seconds and ne 2 ft at 5 seconds. 
.sun night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. wave detail: sw 5 ft at 6 seconds and ne 1 foot at
5 seconds. 
.mon...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 se 7 ft at 9 seconds.
.mon night...sw winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 25 kt. seas 4 to 6 ft. wave detail:
sw 6 ft at 8 seconds and sw 1 foot at 4 seconds. 
.tue...sw winds 20 to 25 kt with gusts up to 30 kt. seas 5 to
7 ft. 
.tue night...sw winds 25 to 30 kt with gusts up to 40 kt. seas
7 to 10 ft. 
.wed...sw winds 25 to 30 kt with gusts up to 35 kt. seas 7 to
10 ft. a chance of rain. 
.wed night...w winds 25 to 30 kt. seas 6 to 9 ft. rain likely.  

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.

$$