fzus51 kbox 131706
cwfbox
expires:202603140600;;609449

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt fri mar 13 2026

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


anz231-140600-
cape cod bay-
106 pm edt fri mar 13 2026

.this afternoon...sw winds 10 to 15 kt with gusts up to 20 kt.
seas around 2 ft. wave detail: w 2 ft at 5 seconds and n 2 ft at
6 seconds. 
.tonight...s winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. gusts up to 30 kt. seas 2 to 4 ft. wave detail: s 4 ft
at 8 seconds and s 3 ft at 5 seconds. showers likely after
midnight. 
.sat...w winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: sw 4 ft at 4 seconds and s 4 ft at 8 seconds. 
.sat night...w winds 20 to 25 kt with gusts up to 35 kt, becoming
nw 15 to 20 kt with gusts up to 25 kt after midnight. seas 2 to
3 ft. wave detail: w 3 ft at 5 seconds and s 3 ft at 9 seconds. 
.sun and sun night...se winds 20 to 25 kt with gusts up to 30 kt.
seas 2 to 3 ft. wave detail: se 3 ft at 5 seconds and nw 2 ft at
5 seconds. 
.mon...se winds 25 to 35 kt with gusts up to 40 kt. seas 4 to
6 ft. wave detail: se 6 ft at 6 seconds and se 1 foot at
10 seconds. rain.
.mon night and tue...s winds 30 to 40 kt with gusts up to 50 kt,
becoming sw 25 to 35 kt with gusts up to 40 kt. seas 5 to 7 ft.
rain.
.tue night...w winds 20 to 25 kt. seas 4 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 131706
cwfbox
expires:202603140600;;609453

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt fri mar 13 2026

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


anz232-140600-
nantucket sound-
106 pm edt fri mar 13 2026

...gale watch in effect from saturday morning through saturday
afternoon...

.this afternoon...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: sw 2 ft at 3 seconds and n 1 foot at
6 seconds. 
.tonight...s winds 15 to 20 kt, increasing to 25 to 30 kt after
midnight. seas 2 to 3 ft, building to 4 to 6 ft after midnight.
wave detail: s 2 ft at 5 seconds and s 1 foot at 9 seconds,
becoming s 4 ft at 5 seconds and s 4 ft at 8 seconds. showers
likely after midnight. 
.sat...w winds 25 to 30 kt with gusts up to 40 kt. seas 5 to
7 ft. wave detail: w 5 ft at 5 seconds and sw 4 ft at 9 seconds. 
.sat night...w winds 20 to 25 kt with gusts up to 35 kt, becoming
nw 15 to 20 kt after midnight. seas 4 to 6 ft, subsiding to 2 to
4 ft after midnight. wave detail: w 4 ft at 5 seconds and sw 3 ft
at 9 seconds, becoming w 3 ft at 4 seconds and sw 2 ft at
9 seconds. 
.sun...n winds 5 to 10 kt, becoming e in the afternoon. seas
around 2 ft. wave detail: n 2 ft at 4 seconds and sw 1 foot at
8 seconds. 
.sun night...se winds 15 to 20 kt, increasing to 25 to 30 kt
after midnight. seas 2 to 3 ft, building to 3 to 5 ft after
midnight. wave detail: se 2 ft at 3 seconds and w 1 foot at
7 seconds, becoming se 4 ft at 5 seconds and se 1 foot at
10 seconds. 
.mon...se winds 25 to 35 kt with gusts up to 40 kt. seas 5 to
7 ft. rain.
.mon night and tue...s winds 30 to 40 kt, becoming sw 25 to
35 kt. gusts up to 50 kt. seas 6 to 9 ft. rain.
.tue night...w winds 25 to 30 kt. seas 5 to 7 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 131706
cwfbox
expires:202603140600;;609454

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt fri mar 13 2026

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


anz233-140600-
vineyard sound-
106 pm edt fri mar 13 2026

...gale watch in effect from saturday morning through saturday
afternoon...

.this afternoon...sw winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 5 seconds and s 2 ft at 9 seconds. 
.tonight...s winds 20 to 25 kt, increasing to 25 to 30 kt with
gusts up to 35 kt after midnight. seas 2 to 4 ft, building to
4 to 6 ft after midnight. wave detail: s 3 ft at 5 seconds and s
2 ft at 9 seconds, becoming s 6 ft at 6 seconds and se 1 foot at
10 seconds. showers likely after midnight. 
.sat...w winds 25 to 30 kt with gusts up to 35 kt. seas 5 to
8 ft. wave detail: sw 8 ft at 9 seconds and w 3 ft at 5 seconds. 
.sat night...w winds 20 to 25 kt with gusts up to 30 kt, becoming
nw 10 to 15 kt with gusts up to 20 kt after midnight. seas 4 to
6 ft, subsiding to 2 to 4 ft after midnight. wave detail: sw 6 ft
at 9 seconds and w 3 ft at 5 seconds, becoming sw 4 ft at
8 seconds and nw 2 ft at 4 seconds. 
.sun...n winds 5 to 10 kt, becoming e 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: sw 2 ft at 7 seconds
and n 1 foot at 4 seconds. 
.sun night...se winds 15 to 20 kt, increasing to 25 to 30 kt
after midnight. seas 2 to 3 ft, building to 3 to 5 ft after
midnight. wave detail: se 2 ft at 3 seconds and sw 1 foot at
6 seconds, becoming se 4 ft at 5 seconds and se 1 foot at
10 seconds. a chance of rain after midnight. 
.mon...se winds 30 to 35 kt with gusts up to 45 kt. seas 6 to
9 ft. rain.
.mon night...s winds 35 to 45 kt with gusts up to 50 kt. seas
8 to 11 ft. rain.
.tue...sw winds 25 to 35 kt with gusts up to 45 kt. seas 7 to
10 ft. rain likely. 
.tue night...w winds 25 to 30 kt. seas 5 to 7 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 131706
cwfbox
expires:202603140600;;609455

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt fri mar 13 2026

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


anz234-140600-
buzzards bay-
106 pm edt fri mar 13 2026

...gale watch in effect from saturday morning through saturday
afternoon...

.this afternoon...sw winds 15 to 20 kt. seas 2 to 3 ft. wave
detail: sw 3 ft at 4 seconds and sw 2 ft at 8 seconds. 
.tonight...s winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. seas 2 to 3 ft, building to 3 to 5 ft after midnight.
wave detail: s 3 ft at 4 seconds and s 2 ft at 9 seconds,
becoming s 5 ft at 8 seconds and s 4 ft at 5 seconds. showers
likely after midnight. 
.sat...w winds 25 to 30 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: sw 6 ft at 8 seconds and sw 4 ft at 5 seconds.
.sat night...w winds 20 to 25 kt with gusts up to 30 kt, becoming
nw 10 to 15 kt with gusts up to 20 kt after midnight. seas 3 to
5 ft, subsiding to 2 to 3 ft after midnight. wave detail: sw 5 ft
at 9 seconds and w 3 ft at 5 seconds, becoming sw 3 ft at
8 seconds and nw 2 ft at 4 seconds. 
.sun...n winds 5 to 10 kt, becoming e 10 to 15 kt in the
afternoon. seas around 2 ft. wave detail: sw 2 ft at 7 seconds
and n 1 foot at 4 seconds. 
.sun night...se winds 15 to 20 kt, increasing to 25 to 30 kt
after midnight. seas 2 to 4 ft. wave detail: s 4 ft at 5 seconds
and se 1 foot at 10 seconds. a chance of rain after midnight. 
.mon...se winds 30 to 35 kt with gusts up to 45 kt. seas 5 to
7 ft. rain.
.mon night and tue...s winds 35 to 45 kt with gusts up to 55 kt,
becoming sw 30 to 40 kt with gusts up to 45 kt. seas 5 to 8 ft.
rain.
.tue night...w winds 25 to 30 kt. seas 5 to 7 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 131706
cwfbox
expires:202603140600;;609456

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt fri mar 13 2026

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


anz235-140600-
rhode island sound-
106 pm edt fri mar 13 2026

...gale watch in effect from saturday morning through saturday
afternoon...

.this afternoon...sw winds 15 to 20 kt. seas 3 to 4 ft. wave
detail: sw 3 ft at 5 seconds and s 3 ft at 9 seconds. 
.tonight...s winds 20 to 25 kt, becoming sw 25 to 30 kt after
midnight. seas 3 to 5 ft, building to 5 to 7 ft after midnight.
wave detail: s 5 ft at 5 seconds and s 3 ft at 9 seconds,
becoming s 7 ft at 8 seconds and s 2 ft at 5 seconds. showers
likely after midnight. 
.sat...w winds 25 to 30 kt with gusts up to 40 kt. seas 6 to
9 ft. wave detail: sw 9 ft at 9 seconds and w 4 ft at 6 seconds. 
.sat night...w winds 20 to 25 kt with gusts up to 30 kt, becoming
nw 10 to 15 kt with gusts up to 20 kt after midnight. seas 4 to
6 ft, subsiding to 2 to 4 ft after midnight. wave detail: sw 6 ft
at 9 seconds and w 4 ft at 5 seconds, becoming sw 4 ft at
8 seconds and nw 2 ft at 4 seconds. 
.sun...ne winds 5 to 10 kt, becoming e 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at 7 seconds and
e 2 ft at 3 seconds. 
.sun night...se winds 15 to 20 kt, increasing to 25 to 30 kt
after midnight. seas 2 to 4 ft, building to 4 to 6 ft after
midnight. wave detail: s 4 ft at 6 seconds and se 1 foot at
10 seconds, becoming se 6 ft at 6 seconds and se 1 foot at
10 seconds. a chance of rain after midnight. 
.mon...se winds 30 to 35 kt with gusts up to 45 kt. seas 9 to
12 ft. rain.
.mon night...s winds 35 to 40 kt with gusts up to 50 kt. seas
11 to 15 ft. rain.
.tue...sw winds 25 to 35 kt with gusts up to 45 kt. seas 9 to
12 ft. rain likely. 
.tue night...w winds 25 to 30 kt. seas 6 to 9 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 131706
cwfbox
expires:202603140600;;609459

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt fri mar 13 2026

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


anz236-140600-
narragansett bay-
106 pm edt fri mar 13 2026

.this afternoon...sw winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.tonight...s winds 15 to 20 kt, becoming sw 20 to 25 kt after
midnight. gusts up to 30 kt. waves 2 to 3 ft, building to 3 to
5 ft after midnight. showers likely after midnight. 
.sat...w winds 20 to 25 kt with gusts up to 35 kt. waves 4 to
6 ft. 
.sat night...w winds 20 to 25 kt with gusts up to 30 kt, becoming
nw 10 to 15 kt after midnight. waves 2 to 3 ft. 
.sun...n winds around 5 kt, becoming se 10 to 15 kt in the
afternoon. waves around 2 ft. 
.sun night...se winds 10 to 15 kt with gusts up to 20 kt,
increasing to 20 to 25 kt with gusts up to 30 kt after midnight.
waves 2 to 3 ft, building to 3 to 5 ft after midnight. a chance
of rain after midnight. 
.mon...se winds 25 to 30 kt with gusts up to 40 kt. waves 5 to
7 ft. rain.
.mon night...s winds 30 to 40 kt with gusts up to 50 kt. waves
6 to 9 ft, except 9 to 12 ft at the bay entrance. rain.
.tue...sw winds 25 to 30 kt with gusts up to 40 kt. waves 5 to
8 ft, except 8 to 11 ft at the bay entrance. rain likely. 
.tue night...w winds 15 to 20 kt with gusts up to 25 kt. waves
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 131706
cwfbox
expires:202603140600;;609447

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt fri mar 13 2026

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


anz250-140600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
106 pm edt fri mar 13 2026

.this afternoon...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 se 3 ft at
10 seconds. 
.tonight...s winds 20 to 25 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: s 5 ft at 5 seconds and se 2 ft at 10 seconds.
showers likely after midnight. 
.sat...w winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: w 5 ft at 5 seconds and se 5 ft at 7 seconds. 
.sat night...w winds 25 to 30 kt with gusts up to 40 kt, becoming
nw 20 to 25 kt with gusts up to 30 kt after midnight. seas 4 to
6 ft. wave detail: w 6 ft at 5 seconds and se 2 ft at 8 seconds. 
.sun...n winds 10 to 15 kt with gusts up to 20 kt, becoming e
5 to 10 kt in the afternoon. seas 2 to 4 ft. wave detail: n 4 ft
at 5 seconds and s 1 foot at 8 seconds. 
.sun night...se winds 15 to 20 kt, increasing to 20 to 25 kt with
gusts up to 30 kt after midnight. seas 2 to 3 ft, building to
4 to 6 ft after midnight. wave detail: se 3 ft at 3 seconds and
nw 1 foot at 3 seconds, becoming s 6 ft at 5 seconds and se
1 foot at 10 seconds. 
.mon...se winds 25 to 35 kt with gusts up to 40 kt. seas 7 to
10 ft. rain.
.mon night...s winds 30 to 40 kt with gusts up to 45 kt. seas
9 to 13 ft. rain.
.tue...sw winds 25 to 30 kt with gusts up to 45 kt. seas 8 to
11 ft. rain likely. 
.tue night...w winds 25 to 30 kt. seas 5 to 8 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 131706
cwfbox
expires:202603140600;;609450

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt fri mar 13 2026

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


anz254-140600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
106 pm edt fri mar 13 2026

...small craft advisory in effect until 4 pm edt this afternoon...
...gale watch in effect from late tonight through saturday
afternoon...

.this afternoon...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 5 ft. wave detail: w 3 ft at 6 seconds and se 3 ft at
10 seconds. 
.tonight...s winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. gusts up to 30 kt. seas 3 to 5 ft, building to 5 to
7 ft after midnight. wave detail: sw 3 ft at 5 seconds and e 3 ft
at 6 seconds, becoming s 7 ft at 8 seconds and se 4 ft at
5 seconds. showers likely after midnight. 
.sat...w winds 25 to 30 kt with gusts up to 40 kt. seas 6 to
9 ft, except 9 to 13 ft s and e of nantucket. wave detail: s 8 ft
at 8 seconds and w 4 ft at 5 seconds. 
.sat night...w winds 25 to 30 kt with gusts up to 40 kt, becoming
nw 20 to 25 kt after midnight. seas 5 to 8 ft, subsiding to 4 to
6 ft after midnight. wave detail: s 6 ft at 9 seconds and w 5 ft
at 5 seconds, becoming nw 5 ft at 5 seconds and s 3 ft at
9 seconds. 
.sun...n winds 10 to 15 kt, becoming e 5 to 10 kt in the
afternoon. seas 2 to 4 ft. wave detail: n 3 ft at 5 seconds and s
2 ft at 8 seconds. 
.sun night...se winds 15 to 20 kt, increasing to 20 to 25 kt with
gusts up to 30 kt after midnight. seas 2 to 3 ft, building to
4 to 6 ft after midnight. wave detail: se 3 ft at 4 seconds and
nw 2 ft at 6 seconds, becoming s 6 ft at 6 seconds and nw 1 foot
at 5 seconds. 
.mon...se winds 25 to 30 kt with gusts up to 40 kt. seas 7 to
10 ft. rain.
.mon night...s winds 30 to 40 kt with gusts up to 45 kt. seas
10 to 14 ft. rain.
.tue...sw winds 25 to 30 kt with gusts up to 40 kt. seas 9 to
13 ft. rain.
.tue night...w winds 25 to 30 kt. seas 8 to 11 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 131706
cwfbox
expires:202603140600;;609451

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt fri mar 13 2026

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


anz255-140600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
106 pm edt fri mar 13 2026

...small craft advisory in effect until 4 pm edt this afternoon...
...gale watch in effect from late tonight through saturday
afternoon...

.this afternoon...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 5 ft. wave detail: w 3 ft at 6 seconds and s 3 ft at
9 seconds. 
.tonight...s winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. seas 3 to 5 ft, building to 6 to 9 ft after midnight.
wave detail: sw 4 ft at 6 seconds and s 3 ft at 9 seconds,
becoming s 9 ft at 6 seconds and se 1 foot at 10 seconds. a
chance of showers after midnight. 
.sat...sw winds 25 to 30 kt, becoming w 30 to 35 kt in the
afternoon. seas 9 to 13 ft. wave detail: sw 13 ft at 9 seconds
and w 2 ft at 5 seconds. 
.sat night...w winds 25 to 30 kt with gusts up to 40 kt, becoming
nw 15 to 20 kt after midnight. seas 7 to 10 ft, subsiding to 4 to
6 ft after midnight. wave detail: sw 10 ft at 9 seconds and w
2 ft at 5 seconds, becoming sw 6 ft at 8 seconds and nw 2 ft at
5 seconds. 
.sun...n winds 10 to 15 kt, becoming e in the afternoon. seas
2 to 4 ft. wave detail: sw 4 ft at 8 seconds and n 2 ft at
4 seconds. 
.sun night...se winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. seas 2 to 4 ft, building to 4 to 6 ft after
midnight. wave detail: s 4 ft at 5 seconds and se 1 foot at
10 seconds, becoming se 6 ft at 6 seconds and se 1 foot at
10 seconds. 
.mon...se winds 30 to 40 kt. seas 9 to 13 ft. rain.
.mon night...s winds 30 to 40 kt with gusts up to 50 kt. seas
11 to 15 ft. rain.
.tue...sw winds 25 to 35 kt with gusts up to 45 kt. seas 10 to
14 ft. rain.
.tue night...w winds 25 to 30 kt with gusts up to 35 kt. seas
8 to 11 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.

$$