fzus51 kbox 171406
cwfbox
expires:202603180300;;847009

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue mar 17 2026

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


anz231-180300-
cape cod bay-
1005 am edt tue mar 17 2026

.this afternoon...w winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: se 4 ft at 10 seconds and w 3 ft at
4 seconds. scattered sprinkles. 
.tonight...w winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
4 ft. wave detail: se 4 ft at 11 seconds and w 3 ft at 4 seconds.
.wed...nw winds 10 to 15 kt with gusts up to 20 kt, becoming w
5 to 10 kt in the afternoon. seas 2 to 4 ft. wave detail: nw 3 ft
at 5 seconds and se 3 ft at 11 seconds. 
.wed night...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: nw
2 ft at 5 seconds and e 2 ft at 8 seconds. 
.thu...s winds 5 to 10 kt. seas around 2 ft. wave detail: e 2 ft
at 7 seconds and sw 1 foot at 4 seconds. 
.thu night...s winds 5 to 10 kt. seas around 2 ft. wave detail:
se 2 ft at 9 seconds and s 1 foot at 2 seconds. 
.fri...sw winds 5 to 10 kt. seas around 2 ft. 
.fri night through sat night...sw winds 20 to 25 kt. seas 2 to
4 ft. a chance of rain.  

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 171406
cwfbox
expires:202603180300;;847013

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue mar 17 2026

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


anz232-180300-
nantucket sound-
1005 am edt tue mar 17 2026

.this afternoon...w winds 25 to 30 kt, diminishing to 20 to
25 kt. seas 5 to 7 ft. wave detail: w 5 ft at 5 seconds and s
3 ft at 11 seconds. 
.tonight...w winds 20 to 25 kt, becoming nw 15 to 20 kt after
midnight. seas 4 to 6 ft. wave detail: w 4 ft at 5 seconds and s
3 ft at 11 seconds. 
.wed...nw winds 10 to 15 kt with gusts up to 20 kt, becoming w
5 to 10 kt in the afternoon. seas 3 to 5 ft. wave detail: w 3 ft
at 4 seconds and se 2 ft at 11 seconds. 
.wed night...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
2 ft at 10 seconds and w 1 foot at 3 seconds. 
.thu...se winds 5 to 10 kt. seas around 2 ft. wave detail: se
2 ft at 9 seconds and w 1 foot at 3 seconds. 
.thu night...s winds 5 to 10 kt. seas around 2 ft. wave detail:
se 2 ft at 9 seconds and s 1 foot at 2 seconds. 
.fri and fri night...sw winds 5 to 10 kt, increasing to 10 to
15 kt. seas around 2 ft. 
.sat and sat night...w winds 15 to 20 kt, becoming sw 20 to
25 kt. seas 2 to 3 ft. a chance of rain.  

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 171406
cwfbox
expires:202603180300;;847014

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue mar 17 2026

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


anz233-180300-
vineyard sound-
1005 am edt tue mar 17 2026

.this afternoon...w winds 20 to 25 kt with gusts up to 35 kt.
seas 6 to 9 ft. wave detail: sw 7 ft at 11 seconds and w 3 ft at
5 seconds. 
.tonight...w winds 20 to 25 kt, becoming nw 15 to 20 kt after
midnight. seas 5 to 7 ft. wave detail: sw 6 ft at 10 seconds and
w 3 ft at 5 seconds. 
.wed...nw winds 10 to 15 kt with gusts up to 20 kt, becoming w
5 to 10 kt in the afternoon. seas 3 to 5 ft. wave detail: s 4 ft
at 10 seconds and w 2 ft at 5 seconds. 
.wed night...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: s
3 ft at 9 seconds and sw 1 foot at 4 seconds. 
.thu and thu night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: s 2 ft at 9 seconds and s 1 foot at 2 seconds. 
.fri and fri night...sw winds 10 to 15 kt, increasing to 15 to
20 kt. seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and se
2 ft at 8 seconds. 
.sat and sat night...w winds 15 to 20 kt, becoming sw 20 to
25 kt. seas 2 to 4 ft. a chance of rain.  

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 171406
cwfbox
expires:202603180300;;847015

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue mar 17 2026

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


anz234-180300-
buzzards bay-
1005 am edt tue mar 17 2026

.this afternoon...w winds 20 to 25 kt with gusts up to 35 kt.
seas 4 to 6 ft. wave detail: sw 5 ft at 11 seconds and w 3 ft at
5 seconds. 
.tonight...w winds 20 to 25 kt, becoming nw 15 to 20 kt after
midnight. seas 3 to 5 ft. wave detail: sw 5 ft at 10 seconds and
w 3 ft at 5 seconds. 
.wed...nw winds 10 to 15 kt, becoming sw 5 to 10 kt in the
afternoon. seas 2 to 4 ft. wave detail: s 3 ft at 10 seconds and
w 2 ft at 5 seconds. 
.wed night...s winds 5 to 10 kt. seas around 2 ft. wave detail: s
2 ft at 9 seconds and sw 1 foot at 4 seconds. 
.thu and thu night...sw winds 5 to 10 kt. seas around 2 ft. wave
detail: s 2 ft at 9 seconds and s 1 foot at 3 seconds. 
.fri...sw winds 10 to 15 kt. seas around 2 ft. wave detail: se
2 ft at 8 seconds and sw 1 foot at 3 seconds. 
.fri night through sat night...sw winds 20 to 25 kt. seas 2 to
4 ft. a chance of rain.  

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 171406
cwfbox
expires:202603180300;;847016

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue mar 17 2026

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


anz235-180300-
rhode island sound-
1005 am edt tue mar 17 2026

.this afternoon...w winds 20 to 25 kt with gusts up to 35 kt.
seas 8 to 11 ft. wave detail: s 11 ft at 11 seconds and w 4 ft at
5 seconds. 
.tonight...w winds 20 to 25 kt, becoming nw 15 to 20 kt after
midnight. seas 6 to 9 ft. wave detail: s 9 ft at 11 seconds and w
3 ft at 5 seconds. 
.wed...nw winds 10 to 15 kt with gusts up to 20 kt, becoming w
5 to 10 kt in the afternoon. seas 4 to 6 ft. wave detail: s 6 ft
at 10 seconds and w 2 ft at 4 seconds. 
.wed night...s winds 5 to 10 kt. seas 3 to 4 ft. wave detail: s
4 ft at 10 seconds. 
.thu and thu night...sw winds 5 to 10 kt. seas 2 to 4 ft. wave
detail: se 4 ft at 9 seconds. 
.fri...sw winds 10 to 15 kt. seas 2 to 4 ft. wave detail: se 3 ft
at 8 seconds and sw 2 ft at 3 seconds. 
.fri night through sat night...s winds 20 to 25 kt. seas 2 to
4 ft. a chance of rain.  

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 171406
cwfbox
expires:202603180300;;847019

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue mar 17 2026

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


anz236-180300-
narragansett bay-
1005 am edt tue mar 17 2026

.this afternoon...w winds 15 to 20 kt with gusts up to 30 kt.
waves 4 to 6 ft. scattered sprinkles. 
.tonight...w winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. gusts up to 25 kt. waves 3 to 5 ft, subsiding to 2 to
3 ft after midnight. at the bay entrance, waves 4 to 6 ft. 
.wed...nw winds 5 to 10 kt, becoming sw in the afternoon. waves
2 to 3 ft. 
.wed night...s winds 5 to 10 kt, diminishing to around 5 kt after
midnight. waves 2 to 3 ft. 
.thu and thu night...sw winds 5 to 10 kt. waves 2 to 3 ft. 
.fri...sw winds 10 to 15 kt. waves around 2 ft. 
.fri night through sat night...sw winds 15 to 20 kt. waves 2 to
3 ft. a chance of rain.  

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 171406
cwfbox
expires:202603180300;;847007

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue mar 17 2026

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


anz250-180300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1005 am edt tue mar 17 2026

.this afternoon...w winds 20 to 25 kt with gusts up to 30 kt.
seas 7 to 10 ft. wave detail: se 9 ft at 10 seconds and w 5 ft at
5 seconds. scattered sprinkles. 
.tonight...w winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
9 ft. wave detail: se 8 ft at 11 seconds and w 6 ft at 5 seconds.
.wed...w winds 15 to 20 kt with gusts up to 25 kt, diminishing to
5 to 10 kt in the afternoon. seas 5 to 7 ft. wave detail: se 6 ft
at 11 seconds and w 5 ft at 5 seconds. 
.wed night...s winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. seas 3 to 5 ft. wave detail: se 4 ft at 10 seconds and
w 2 ft at 4 seconds. 
.thu...s winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 3 to 4 ft. wave detail: se 4 ft at 10 seconds and
sw 2 ft at 3 seconds.
.thu night...s winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 3 to 4 ft. wave detail: se 3 ft at 9 seconds and s
2 ft at 3 seconds. 
.fri...sw winds 10 to 15 kt. seas 3 to 4 ft. 
.fri night through sat night...sw winds 20 to 25 kt with gusts up
to 30 kt. seas 3 to 5 ft. a chance of rain.  

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 171406
cwfbox
expires:202603180300;;847010

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue mar 17 2026

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


anz254-180300-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1005 am edt tue mar 17 2026

.this afternoon...w winds 20 to 25 kt with gusts up to 30 kt.
seas 9 to 12 ft. wave detail: s 11 ft at 11 seconds and w 4 ft at
5 seconds. scattered sprinkles. 
.tonight...w winds 20 to 25 kt. seas 8 to 11 ft. wave detail: s
10 ft at 11 seconds and nw 5 ft at 5 seconds. 
.wed...nw winds 15 to 20 kt with gusts up to 25 kt, becoming w
5 to 10 kt in the afternoon. seas 5 to 8 ft. wave detail: se 7 ft
at 11 seconds and nw 5 ft at 6 seconds. 
.wed night...s winds around 5 kt. seas 4 to 6 ft. wave detail: se
5 ft at 10 seconds and nw 2 ft at 6 seconds. 
.thu...se winds 5 to 10 kt. seas 3 to 5 ft. wave detail: se 5 ft
at 10 seconds and nw 1 foot at 5 seconds. 
.thu night...s winds 5 to 10 kt. seas 3 to 4 ft. wave detail: se
4 ft at 9 seconds and nw 1 foot at 3 seconds. 
.fri and fri night...sw winds 5 to 10 kt, increasing to 15 to
20 kt. seas 3 to 4 ft. 
.sat and sat night...w winds 15 to 20 kt, becoming sw 20 to 25 kt
with gusts up to 30 kt. seas 3 to 5 ft. a chance of rain.  

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 171406
cwfbox
expires:202603180300;;847011

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue mar 17 2026

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


anz255-180300-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1005 am edt tue mar 17 2026

.this afternoon...w winds around 25 kt with gusts up to 35 kt.
seas 9 to 13 ft. wave detail: sw 13 ft at 11 seconds and w 2 ft
at 5 seconds. 
.tonight...w winds 20 to 25 kt with gusts up to 30 kt. seas 9 to
12 ft, subsiding to 7 to 10 ft after midnight. wave detail: sw
12 ft at 11 seconds and w 3 ft at 6 seconds, becoming sw 10 ft at
10 seconds and nw 2 ft at 5 seconds. 
.wed...nw winds 15 to 20 kt, becoming w 5 to 10 kt in the
afternoon. seas 5 to 8 ft, subsiding to 4 to 6 ft in the
afternoon. wave detail: s 8 ft at 10 seconds and nw 3 ft at
5 seconds, becoming s 6 ft at 10 seconds and w 1 foot at
5 seconds. 
.wed night...s winds 5 to 10 kt. seas 3 to 5 ft. wave detail: s
5 ft at 10 seconds and w 1 foot at 5 seconds. 
.thu...se winds 5 to 10 kt. seas 3 to 4 ft. wave detail: s 4 ft
at 9 seconds. 
.thu night...s winds 5 to 10 kt. seas 3 to 4 ft. wave detail: se
4 ft at 9 seconds. 
.fri and fri night...sw winds 5 to 10 kt, increasing to 15 to
20 kt. seas 2 to 4 ft. 
.sat and sat night...w winds 15 to 20 kt, becoming sw 25 to
30 kt. seas 3 to 5 ft. a chance of rain.  

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.

$$