fzus51 kbox 160205
cwfbox
expires:202603161500;;751707

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt sun mar 15 2026

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


anz231-161500-
cape cod bay-
1005 pm edt sun mar 15 2026

...storm warning in effect from monday afternoon through tuesday
morning...

.overnight...se winds 10 to 15 kt, increasing to 20 to 25 kt.
seas 2 to 3 ft. wave detail: se 3 ft at 4 seconds and n 1 foot at
4 seconds. a chance of showers. 
.mon...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 5 seconds.
patchy fog in the morning. areas of dense fog in the afternoon.
showers. vsby 1 nm or less. 
.mon night...s winds 25 to 35 kt with gusts up to 50 kt. seas
5 to 7 ft. wave detail: se 6 ft at 9 seconds and s 5 ft at
5 seconds. areas of dense fog in the evening. patchy fog after
midnight. showers. vsby 1 nm or less. 
.tue...sw winds 25 to 30 kt, diminishing to around 20 kt in the
afternoon. seas 4 to 6 ft. wave detail: se 5 ft at 10 seconds and
s 4 ft at 5 seconds. patchy fog in the morning. showers in the
morning. 
.tue night...w winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: se 4 ft at 11 seconds and w 3 ft at
4 seconds. 
.wed...w winds 15 to 20 kt with gusts up to 25 kt, diminishing to
5 to 10 kt in the afternoon. seas 2 to 4 ft. wave detail: n 3 ft
at 5 seconds and se 3 ft at 11 seconds. 
.wed night...s winds 5 to 10 kt. seas around 2 ft.
.thu through fri night...sw 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 160205
cwfbox
expires:202603161500;;751711

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt sun mar 15 2026

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


anz232-161500-
nantucket sound-
1005 pm edt sun mar 15 2026

...storm warning in effect from monday afternoon through tuesday
morning...

.overnight...se winds around 15 kt with gusts up to 20 kt,
increasing to 20 to 25 kt with gusts up to 30 kt. seas around
2 ft, building to 3 to 4 ft. wave detail: se 2 ft at 3 seconds
and sw 1 foot at 6 seconds, becoming s 4 ft at 5 seconds and se
1 foot at 10 seconds. a chance of showers. 
.mon...s winds 25 to 30 kt with gusts up to 35 kt. seas 5 to
7 ft. wave detail: s 5 ft at 5 seconds and s 5 ft at 9 seconds.
patchy fog in the morning. areas of dense fog in the afternoon.
showers in the morning. a chance of showers in the afternoon.
vsby 1 nm or less. 
.mon night...s winds 30 to 40 kt with gusts up to 50 kt. seas
6 to 9 ft. wave detail: s 5 ft at 5 seconds and s 5 ft at
9 seconds. areas of dense fog. showers. vsby 1 nm or less. 
.tue...sw winds 25 to 30 kt. gusts up to 40 kt in the morning.
seas 5 to 8 ft. wave detail: s 5 ft at 5 seconds and s 4 ft at
10 seconds. patchy fog in the morning. showers in the morning
with vsby 1 to 3 nm. 
.tue night...w winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. seas 5 to 7 ft. wave detail: w 5 ft at 5 seconds
and s 3 ft at 11 seconds. 
.wed...nw winds 15 to 20 kt, becoming w 5 to 10 kt in the
afternoon. seas 3 to 5 ft, subsiding to 2 to 3 ft in the
afternoon. wave detail: nw 3 ft at 4 seconds and se 2 ft at
11 seconds, becoming nw 2 ft at 5 seconds and se 2 ft at
10 seconds. 
.wed night...s winds 5 to 10 kt. seas 2 to 3 ft. 
.thu through fri night...sw 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 160205
cwfbox
expires:202603161500;;751712

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt sun mar 15 2026

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


anz233-161500-
vineyard sound-
1005 pm edt sun mar 15 2026

...storm warning in effect from monday afternoon through tuesday
morning...

.overnight...se winds 15 to 20 kt, increasing to 25 to 30 kt.
seas 2 to 3 ft, building to 3 to 5 ft. wave detail: se 2 ft at
3 seconds and sw 1 foot at 6 seconds, becoming s 3 ft at
5 seconds and se 1 foot at 10 seconds. a chance of showers. 
.mon...s winds 25 to 30 kt with gusts up to 40 kt. seas 5 to
7 ft, building to 6 to 9 ft in the afternoon. wave detail: s 5 ft
at 10 seconds and s 4 ft at 5 seconds, becoming s 6 ft at
9 seconds and s 3 ft at 5 seconds. patchy fog in the morning.
areas of dense fog in the afternoon. a chance of tstms. showers
in the morning, then a chance of showers in the afternoon. vsby
1 nm or less. 
.mon night...s winds 30 to 40 kt with gusts up to 50 kt. seas
8 to 11 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 s 4 ft at 5 seconds. areas of dense fog. showers.
a chance of tstms in the evening. vsby 1 nm or less. 
.tue...sw winds 25 to 30 kt with gusts up to 35 kt. seas 7 to
10 ft. wave detail: s 9 ft at 11 seconds and s 4 ft at 6 seconds.
patchy fog in the morning. showers in the morning. 
.tue night...w winds 25 to 30 kt, becoming nw 20 to 25 kt after
midnight. seas 5 to 7 ft. wave detail: sw 7 ft at 10 seconds and
w 4 ft at 6 seconds. 
.wed...nw winds 15 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 3 ft at 6 seconds. 
.wed night...s winds 5 to 10 kt. seas 2 to 3 ft. 
.thu through fri...sw winds 10 to 15 kt. seas around 2 ft. 
.fri night...sw winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft.  

winds and seas higher in and near tstms.

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 160205
cwfbox
expires:202603161500;;751713

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt sun mar 15 2026

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


anz234-161500-
buzzards bay-
1005 pm edt sun mar 15 2026

...storm warning in effect from monday afternoon through tuesday
morning...

.overnight...se winds around 15 kt with gusts up to 20 kt,
increasing to 20 to 25 kt with gusts up to 30 kt. seas 2 to 4 ft.
wave detail: s 3 ft at 5 seconds and se 1 foot at 10 seconds. a
chance of showers. 
.mon...s winds 25 to 30 kt with gusts up to 40 kt. seas 4 to
6 ft. wave detail: s 5 ft at 10 seconds and s 4 ft at 5 seconds.
patchy fog in the morning. areas of dense fog in the afternoon.
showers with a chance of tstms. vsby 1 nm or less. 
.mon night...s winds 30 to 40 kt with gusts up to 50 kt. seas
5 to 8 ft, building to 7 to 10 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 s 6 ft at 5 seconds. areas of dense fog. showers.
a chance of tstms in the evening. vsby 1 nm or less. 
.tue...sw winds 25 to 30 kt. gusts up to 40 kt in the morning.
seas 5 to 7 ft. wave detail: sw 7 ft at 10 seconds and s 5 ft at
6 seconds. patchy fog in the morning. showers in the morning. 
.tue night...w winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 30 kt. seas 4 to 6 ft. wave detail: w
5 ft at 6 seconds and s 5 ft at 10 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: s 3 ft
at 10 seconds and w 2 ft at 6 seconds. 
.wed night...s winds 5 to 10 kt. seas around 2 ft.
.thu through fri night...sw winds 15 to 20 kt. seas 2 to 3 ft.  

winds and seas higher in and near tstms.

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 160205
cwfbox
expires:202603161500;;751714

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt sun mar 15 2026

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


anz235-161500-
rhode island sound-
1005 pm edt sun mar 15 2026

...storm warning in effect from monday afternoon through tuesday
morning...

.overnight...se winds 15 to 20 kt, increasing to 20 to 25 kt with
gusts up to 30 kt. seas 2 to 3 ft, building to 4 to 6 ft. wave
detail: s 3 ft at 5 seconds and se 1 foot at 10 seconds, becoming
s 6 ft at 6 seconds and se 1 foot at 10 seconds. a chance of
showers. 
.mon...s winds 25 to 30 kt with gusts up to 40 kt. seas 6 to
9 ft, building to 8 to 11 ft in the afternoon. wave detail: se
9 ft at 8 seconds, becoming s 11 ft at 8 seconds and s 2 ft at
5 seconds. patchy fog in the morning, then areas of dense fog in
the afternoon. showers in the morning, then a chance of showers
and tstms in the afternoon. vsby 1 nm or less. 
.mon night...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 5 seconds, becoming s 16 ft
at 10 seconds and s 2 ft at 5 seconds. areas of dense fog.
showers. vsby 1 nm or less. 
.tue...w winds 25 to 30 kt with gusts up to 35 kt. seas 9 to
13 ft, subsiding to 7 to 10 ft in the afternoon. wave detail: s
13 ft at 11 seconds and w 3 ft at 6 seconds, becoming s 10 ft at
11 seconds and w 3 ft at 5 seconds. patchy fog in the morning.
showers likely in the morning. 
.tue night...w winds 25 to 30 kt, becoming nw 20 to 25 kt after
midnight. seas 7 to 10 ft, subsiding to 5 to 8 ft after midnight.
wave detail: s 10 ft at 10 seconds and w 4 ft at 5 seconds,
becoming s 8 ft at 10 seconds and w 4 ft at 5 seconds. 
.wed...nw winds 15 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 2 to 4 ft. 
.thu through fri night...sw winds 15 to 20 kt with gusts up to
25 kt. seas 2 to 3 ft.  

winds and seas higher in and near tstms.

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 160205
cwfbox
expires:202603161500;;751717

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt sun mar 15 2026

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


anz236-161500-
narragansett bay-
1005 pm edt sun mar 15 2026

...storm warning in effect from monday evening through late
monday night...

.overnight...se winds 10 to 15 kt with gusts up to 20 kt,
increasing to 20 to 25 kt with gusts up to 30 kt. waves 2 to
4 ft. patchy fog. showers likely with vsby 1 to 3 nm. 
.mon...se winds 25 to 30 kt, becoming s 20 to 25 kt in the
afternoon. waves 5 to 7 ft. patchy fog in the morning. areas of
dense fog in the afternoon. showers. a chance of tstms in the
morning. vsby 1 nm or less. 
.mon night...s winds 25 to 35 kt. gusts up to 45 kt, increasing
to 55 kt after midnight. waves 6 to 9 ft. at the bay entrance,
waves 8 to 11 ft, building to 9 to 13 ft after midnight. areas of
dense fog in the evening. areas of fog after midnight. showers.
vsby 1 nm or less. 
.tue...w winds 20 to 25 kt with 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. patchy fog in the morning. showers likely
in the morning. 
.tue night...w winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 30 kt. waves 4 to 6 ft, subsiding to
2 to 3 ft after midnight. at the bay entrance, waves 4 to 6 ft. 
.wed and wed night...s winds 5 to 10 kt with gusts up to 20 kt.
waves 2 to 3 ft. 
.thu through fri...sw winds 5 to 10 kt. waves around 2 ft. 
.fri night...sw winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. a chance of rain.  

winds and waves higher in and near tstms.

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 160205
cwfbox
expires:202603161500;;751705

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt sun mar 15 2026

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


anz250-161500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1005 pm edt sun mar 15 2026

...storm warning in effect from monday afternoon through tuesday
morning...

.overnight...se winds 15 to 20 kt, increasing to 20 to 25 kt with
gusts up to 30 kt. seas 2 to 3 ft, building to 3 to 5 ft. wave
detail: se 3 ft at 3 seconds and nw 1 foot at 3 seconds, becoming
se 5 ft at 5 seconds and e 1 foot at 10 seconds. a chance of
showers. 
.mon...se winds 25 to 30 kt with gusts up to 35 kt. seas 5 to
8 ft, building to 7 to 10 ft in the afternoon. wave detail: s
8 ft at 6 seconds and se 8 ft at 10 seconds, becoming s 9 ft at
7 seconds. patchy fog in the morning. areas of dense fog in the
afternoon. showers. vsby 1 nm or less. 
.mon night...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 6 ft at 7 seconds. areas of dense
fog. showers. 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 s 6 ft at
6 seconds. patchy fog in the morning. showers in the morning with
vsby 1 to 3 nm.
.tue night...w winds 20 to 25 kt with gusts up to 30 kt. seas
6 to 9 ft. wave detail: se 7 ft at 11 seconds and w 6 ft at
5 seconds. 
.wed...w winds 15 to 20 kt with gusts up to 30 kt, diminishing to
5 to 10 kt with gusts up to 20 kt in the afternoon. seas 5 to
7 ft. wave detail: w 6 ft at 5 seconds and se 5 ft at 11 seconds.
a chance of light freezing spray in the morning. 
.wed night...s winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 3 to 5 ft. 
.thu through fri...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 4 ft. 
.fri night...sw winds 20 to 25 kt. seas 3 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 160205
cwfbox
expires:202603161500;;751708

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt sun mar 15 2026

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


anz254-161500-
coastal waters from provincetown ma to chatham ma to nantucket ma
out 20 nm-
1005 pm edt sun mar 15 2026

...storm warning in effect from monday afternoon through tuesday
morning...

.overnight...se winds around 15 kt with gusts up to 20 kt,
increasing to 20 to 25 kt with gusts up to 30 kt. seas 2 to 3 ft,
building to 3 to 5 ft. wave detail: se 3 ft at 4 seconds and nw
2 ft at 6 seconds, becoming se 5 ft at 5 seconds and nw 1 foot at
5 seconds. 
.mon...se winds 25 to 30 kt with gusts up to 40 kt. seas 5 to
8 ft, building to 8 to 11 ft in the afternoon. wave detail: se
8 ft at 7 seconds and se 7 ft at 10 seconds, becoming se 10 ft at
7 seconds and s 1 foot at 4 seconds. areas of dense fog. showers.
vsby 1 nm or less. 
.mon night...s winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. gusts up to 50 kt. seas 9 to 13 ft, building to 11 to
15 ft after midnight. wave detail: s 13 ft at 9 seconds and s
2 ft at 5 seconds, becoming s 15 ft at 10 seconds and s 2 ft at
5 seconds. areas of dense fog. showers. vsby 1 nm or less. 
.tue...sw winds 25 to 30 kt. gusts up to 40 kt in the morning.
seas 10 to 14 ft, subsiding to 8 to 11 ft in the afternoon. wave
detail: s 14 ft at 10 seconds and s 3 ft at 5 seconds, becoming s
11 ft at 11 seconds and w 4 ft at 5 seconds. patchy fog in the
morning. showers in the morning with vsby 1 to 3 nm. 
.tue night...w winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. 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, becoming w 5 to 10 kt in the
afternoon. gusts up to 25 kt. seas 5 to 8 ft, subsiding to 4 to
6 ft in the afternoon. wave detail: se 6 ft at 11 seconds and nw
5 ft at 6 seconds, becoming se 6 ft at 10 seconds and n 4 ft at
5 seconds. 
.wed night...s winds 5 to 10 kt. seas 3 to 5 ft. 
.thu through 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 160205
cwfbox
expires:202603161500;;751709

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt sun mar 15 2026

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


anz255-161500-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1005 pm edt sun mar 15 2026

...storm warning in effect from monday afternoon through tuesday
morning...

.overnight...se winds 15 to 20 kt, increasing to 25 to 30 kt.
seas 2 to 3 ft, building to 4 to 6 ft. wave detail: s 3 ft at
5 seconds and se 1 foot at 10 seconds, becoming s 6 ft at
6 seconds and se 1 foot at 10 seconds. a chance of showers. 
.mon...s winds 25 to 30 kt with gusts up to 40 kt. seas 6 to
9 ft, building to 9 to 13 ft in the afternoon. wave detail: se
9 ft at 10 seconds and se 8 ft at 6 seconds, becoming s 12 ft at
9 seconds and s 2 ft at 5 seconds. patchy fog in the morning.
areas of dense fog in the afternoon. showers in the morning. a
chance of showers in the afternoon. vsby 1 nm or less. 
.mon night...s winds 30 to 40 kt with gusts up to 50 kt. seas
11 to 15 ft, building to 13 to 18 ft after midnight. wave detail:
s 15 ft at 10 seconds and s 2 ft at 5 seconds, becoming s 18 ft
at 10 seconds and s 2 ft at 5 seconds. areas of dense fog.
showers. vsby 1 nm or less. 
.tue...sw winds 25 to 30 kt with gusts up to 40 kt. seas 11 to
15 ft, subsiding to 9 to 13 ft in the afternoon. wave detail: s
15 ft at 11 seconds and sw 2 ft at 6 seconds, becoming sw 12 ft
at 11 seconds and w 7 ft at 7 seconds. patchy fog in the morning.
showers in the morning with vsby 1 to 3 nm. 
.tue night...w winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. seas 9 to 13 ft, subsiding to 8 to 11 ft after
midnight. wave detail: s 11 ft at 10 seconds and w 8 ft at
8 seconds, becoming s 9 ft at 10 seconds and w 7 ft at 7 seconds.
.wed...nw winds 15 to 20 kt with gusts up to 25 kt, becoming w
5 to 10 kt in the afternoon. seas 6 to 9 ft, subsiding to 4 to
6 ft in the afternoon. wave detail: s 7 ft at 10 seconds and w
5 ft at 7 seconds, becoming s 6 ft at 10 seconds and w 3 ft at
6 seconds. 
.wed night...s winds 5 to 10 kt. seas 3 to 5 ft. 
.thu through fri night...sw 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.

$$