fzus51 kbox 161707
cwfbox
expires:202603170600;;792725

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt mon mar 16 2026

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


anz231-170600-
cape cod bay-
106 pm edt mon mar 16 2026

...storm warning in effect from 5 pm edt this afternoon through
tuesday morning...

.this afternoon...s winds 25 to 30 kt with gusts up to 35 kt.
seas 3 to 5 ft. wave detail: se 5 ft at 8 seconds and s 4 ft at
4 seconds. patchy fog. vsby 1 nm or less. 
.tonight...s winds 25 to 35 kt, increasing to 30 to 40 kt after
midnight. gusts up to 50 kt. seas 5 to 7 ft. wave detail: sw 6 ft
at 5 seconds and se 6 ft at 9 seconds. patchy fog. rain. vsby
1 nm or less. 
.tue...sw winds 25 to 30 kt, becoming w 15 to 20 kt in the
afternoon. seas 4 to 6 ft, subsiding to 3 to 4 ft in the
afternoon. wave detail: sw 5 ft at 5 seconds and se 5 ft at
10 seconds, becoming se 4 ft at 11 seconds and sw 3 ft at
4 seconds. a chance of rain in the morning. 
.tue night...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...w winds 10 to 15 kt with gusts up to 20 kt, diminishing to
5 to 10 kt in the afternoon. seas 2 to 4 ft. wave detail: w 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: n
2 ft at 5 seconds and se 2 ft at 10 seconds. 
.thu through fri night...w winds 15 to 20 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 161707
cwfbox
expires:202603170600;;792729

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt mon mar 16 2026

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


anz232-170600-
nantucket sound-
106 pm edt mon mar 16 2026

...storm warning in effect from 5 pm edt this afternoon through
tuesday morning...

.this afternoon...s winds 25 to 30 kt with gusts up to 35 kt.
seas 5 to 7 ft. wave detail: se 5 ft at 6 seconds and s 5 ft at
9 seconds. patchy dense fog. vsby 1 nm or less. 
.tonight...s winds 30 to 40 kt with gusts up to 50 kt. seas 6 to
9 ft. wave detail: se 7 ft at 6 seconds and s 5 ft at 9 seconds.
patchy fog. rain. vsby 1 nm or less. 
.tue...sw winds 25 to 30 kt, becoming w 20 to 25 kt in the
afternoon. seas 5 to 8 ft. wave detail: sw 5 ft at 5 seconds and
s 4 ft at 10 seconds. a chance of rain in the morning. 
.tue night...w winds 20 to 25 kt, becoming nw 15 to 20 kt after
midnight. gusts up to 30 kt. seas 5 to 7 ft. wave detail: sw 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 4 seconds. 
.thu through fri night...w winds 10 to 15 kt with gusts up to
20 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 161707
cwfbox
expires:202603170600;;792730

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt mon mar 16 2026

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


anz233-170600-
vineyard sound-
106 pm edt mon mar 16 2026

...storm warning in effect from 5 pm edt this afternoon through
tuesday morning...

.this afternoon...s winds 25 to 30 kt with gusts up to 40 kt.
seas 5 to 8 ft. wave detail: s 6 ft at 9 seconds and s 3 ft at
5 seconds. patchy dense fog. vsby 1 nm or less. 
.tonight...s winds 35 to 45 kt with gusts up to 50 kt. seas 7 to
10 ft, building to 9 to 13 ft after midnight. wave detail: s 8 ft
at 10 seconds and s 4 ft at 5 seconds, becoming s 10 ft at
11 seconds and sw 4 ft at 4 seconds. patchy fog. rain. vsby 1 nm
or less. 
.tue...sw winds 25 to 30 kt, becoming w 20 to 25 kt in the
afternoon. seas 7 to 10 ft, subsiding to 5 to 8 ft in the
afternoon. wave detail: s 9 ft at 11 seconds and sw 3 ft at
5 seconds, becoming sw 6 ft at 11 seconds and sw 3 ft at
5 seconds. 
.tue night...w winds 20 to 25 kt, becoming nw 15 to 20 kt after
midnight. gusts up to 30 kt. seas 5 to 7 ft. wave detail: sw 6 ft
at 10 seconds and sw 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
2 ft at 9 seconds and w 1 foot at 5 seconds. 
.thu through fri night...w winds 15 to 20 kt with gusts up to
25 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 161707
cwfbox
expires:202603170600;;792731

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt mon mar 16 2026

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


anz234-170600-
buzzards bay-
106 pm edt mon mar 16 2026

...storm warning in effect from 5 pm edt this afternoon through
tuesday morning...

.this afternoon...s winds 25 to 30 kt with gusts up to 40 kt.
seas 4 to 6 ft. wave detail: s 4 ft at 4 seconds and s 4 ft at
9 seconds. patchy dense fog. vsby 1 nm or less. 
.tonight...s winds 35 to 45 kt with gusts up to 50 kt. seas 5 to
7 ft, building to 6 to 9 ft after midnight. wave detail: s 6 ft
at 10 seconds and s 5 ft at 5 seconds, becoming sw 8 ft at
11 seconds and sw 6 ft at 5 seconds. patchy fog. rain. vsby 1 nm
or less. 
.tue...sw winds 25 to 30 kt with gusts up to 40 kt, diminishing
to 20 to 25 kt with gusts up to 30 kt in the afternoon. seas 5 to
7 ft. wave detail: sw 7 ft at 11 seconds and sw 4 ft at
5 seconds. 
.tue night...w winds 20 to 25 kt with gusts up to 30 kt,
diminishing to 15 to 20 kt after midnight. seas 4 to 6 ft. wave
detail: sw 4 ft at 10 seconds and sw 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
nw 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 w 1 foot at 4 seconds. 
.thu through fri night...w winds 15 to 20 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 161707
cwfbox
expires:202603170600;;792732

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt mon mar 16 2026

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


anz235-170600-
rhode island sound-
106 pm edt mon mar 16 2026

...storm warning in effect from 5 pm edt this afternoon through
tuesday morning...

.this afternoon...s winds 25 to 30 kt with gusts up to 40 kt.
seas 7 to 10 ft. wave detail: s 10 ft at 8 seconds and s 2 ft at
4 seconds. patchy dense fog. vsby 1 nm or less. 
.tonight...s winds 30 to 40 kt with gusts up to 50 kt. seas 10 to
14 ft, building to 12 to 16 ft after midnight. wave detail: s
14 ft at 10 seconds and s 2 ft at 4 seconds, becoming s 16 ft at
10 seconds and sw 2 ft at 5 seconds. patchy fog. rain. vsby 1 nm
or less. 
.tue...w winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. seas 9 to 13 ft, subsiding to 7 to 10 ft in the
afternoon. wave detail: s 13 ft at 11 seconds and sw 3 ft at
5 seconds, becoming s 10 ft at 11 seconds and sw 3 ft at
5 seconds. 
.tue night...w winds 20 to 25 kt, becoming nw 15 to 20 kt after
midnight. gusts up to 30 kt. seas 7 to 10 ft, subsiding to 5 to
8 ft after midnight. wave detail: s 10 ft at 10 seconds and sw
3 ft at 5 seconds, becoming s 8 ft at 10 seconds and w 2 ft at
5 seconds.
.wed...nw winds 10 to 15 kt with gusts up to 20 kt, becoming sw
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 5 seconds. 
.wed night...s winds 5 to 10 kt. seas 3 to 4 ft. wave detail: s
4 ft at 10 seconds and w 1 foot at 5 seconds. 
.thu through fri night...w winds 15 to 20 kt with gusts up to
25 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 161707
cwfbox
expires:202603170600;;792735

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt mon mar 16 2026

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


anz236-170600-
narragansett bay-
106 pm edt mon mar 16 2026

...storm warning in effect from 8 pm edt this evening through
late tonight...

.this afternoon...s winds 25 to 30 kt with gusts up to 35 kt.
waves 4 to 6 ft. patchy dense fog. vsby 1 nm or less. 
.tonight...s winds 25 to 35 kt. gusts up to 45 kt, increasing to
55 kt after midnight. waves 6 to 9 ft, except 9 to 12 ft at the
bay entrance. patchy fog. rain. vsby 1 nm or less. 
.tue...w winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 35 kt. waves 5 to 7 ft. at the bay
entrance, waves 7 to 10 ft, subsiding to 6 to 8 ft in the
afternoon. 
.tue night...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. waves 2 to 3 ft. 
.thu through fri night...w winds 10 to 15 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 161707
cwfbox
expires:202603170600;;792723

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt mon mar 16 2026

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


anz250-170600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
106 pm edt mon mar 16 2026

...storm warning in effect from 5 pm edt this afternoon through
tuesday morning...

.this afternoon...s winds 25 to 30 kt with gusts up to 35 kt.
seas 6 to 9 ft. wave detail: se 9 ft at 7 seconds. patchy dense
fog. vsby 1 nm or less. 
.tonight...s winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. gusts up to 50 kt. seas 8 to 11 ft, building to 9 to
13 ft after midnight. wave detail: s 11 ft at 7 seconds, becoming
se 12 ft at 9 seconds and s 7 ft at 7 seconds. patchy fog. rain.
vsby 1 nm or less. 
.tue...sw winds 25 to 30 kt with gusts up to 40 kt, becoming w
around 20 kt with gusts up to 30 kt in the afternoon. seas 8 to
11 ft. wave detail: se 11 ft at 10 seconds and sw 6 ft at
6 seconds. a chance of rain in the morning. 
.tue night...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. seas 3 to 5 ft. wave detail: se
4 ft at 10 seconds and sw 2 ft at 3 seconds. 
.thu through fri night...w winds 20 to 25 kt. seas 3 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 161707
cwfbox
expires:202603170600;;792726

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt mon mar 16 2026

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


anz254-170600-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
106 pm edt mon mar 16 2026

...storm warning in effect from 5 pm edt this afternoon through
tuesday morning...

.this afternoon...s winds 25 to 30 kt with gusts up to 40 kt.
seas 7 to 10 ft. wave detail: s 10 ft at 7 seconds. patchy dense
fog. vsby 1 nm or less. 
.tonight...s winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. gusts up to 50 kt. seas 9 to 12 ft, building to 11 to
15 ft after midnight. wave detail: s 12 ft at 9 seconds and s
2 ft at 5 seconds, becoming s 15 ft at 10 seconds and s 3 ft at
5 seconds. patchy fog. rain. vsby 1 nm or less. 
.tue...sw winds 25 to 30 kt with gusts up to 40 kt, diminishing
to 20 to 25 kt with gusts up to 30 kt in the afternoon. seas 9 to
13 ft, subsiding to 8 to 11 ft in the afternoon. wave detail: s
13 ft at 10 seconds and sw 3 ft at 5 seconds, becoming s 11 ft at
11 seconds and sw 3 ft at 5 seconds. a chance of rain in the
morning. 
.tue night...w winds 20 to 25 kt with gusts up to 30 kt. seas
8 to 11 ft. wave detail: s 10 ft at 11 seconds and w 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 10 seconds and nw 5 ft at 6 seconds. 
.wed night...s winds around 5 kt. seas 3 to 5 ft. wave detail: se
5 ft at 10 seconds and nw 2 ft at 6 seconds. 
.thu through fri night...w 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 161707
cwfbox
expires:202603170600;;792727

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
106 pm edt mon mar 16 2026

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


anz255-170600-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
106 pm edt mon mar 16 2026

...storm warning in effect from 5 pm edt this afternoon through
tuesday morning...

.this afternoon...s winds 25 to 30 kt with gusts up to 40 kt.
seas 9 to 12 ft. wave detail: s 12 ft at 9 seconds and s 3 ft at
5 seconds. patchy dense fog. vsby 1 nm or less. 
.tonight...s winds 30 to 40 kt with gusts up to 50 kt. seas 10 to
14 ft, building to 12 to 17 ft after midnight. wave detail: s
14 ft at 10 seconds and s 2 ft at 5 seconds, becoming s 17 ft at
10 seconds and s 2 ft at 5 seconds. patchy fog. rain. vsby 1 nm
or less. 
.tue...w winds 25 to 30 kt with gusts up to 40 kt. seas 10 to
14 ft. wave detail: sw 14 ft at 11 seconds and sw 3 ft at
6 seconds. a chance of rain in the morning. 
.tue night...w winds 20 to 25 kt with gusts up to 30 kt. seas
9 to 12 ft. wave detail: sw 11 ft at 10 seconds and w 5 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 7 ft at 10 seconds and w 4 ft at
6 seconds, becoming s 6 ft at 10 seconds and w 2 ft at 6 seconds.
.wed night...s winds 5 to 10 kt. seas 3 to 5 ft. wave detail: s
5 ft at 9 seconds and w 2 ft at 6 seconds. 
.thu through fri night...w winds 15 to 20 kt with gusts up to
25 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.

$$