fzus51 kbox 150804
cwfbox
expires:202603152100;;704276

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

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


anz230-152100-
boston harbor-
404 am edt sun mar 15 2026

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

.today...n winds 5 to 10 kt, becoming e 10 to 15 kt this
afternoon. waves 1 foot or less, then around 2 ft this afternoon.
.tonight...se winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. waves 2 to 3 ft. a chance of rain
after midnight. 
.mon...s winds 20 to 25 kt with gusts up to 30 kt. waves 2 to
3 ft. patchy fog. rain. vsby 1 nm or less, increasing to 1 to
3 nm in the afternoon. 
.mon night...s winds 25 to 35 kt. gusts up to 45 kt, increasing
to 55 kt after midnight. waves around 2 ft, except 3 to 5 ft at
the outer harbor entrance. rain. patchy fog in the evening with
vsby 1 to 3 nm. 
.tue...w winds 20 to 25 kt with gusts up to 30 kt. waves around
2 ft, except 3 to 5 ft at the outer harbor entrance. a chance of
rain in the morning. 
.tue night...w winds 20 to 25 kt. waves around 2 ft. 
.wed through thu night...s winds 15 to 20 kt. waves 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 150804
cwfbox
expires:202603152100;;704267

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

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


anz231-152100-
cape cod bay-
404 am edt sun mar 15 2026

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

.today...n winds 10 to 15 kt, becoming e 5 to 10 kt this
afternoon. seas around 2 ft. wave detail: nw 2 ft at 5 seconds
and e 1 foot at 8 seconds. 
.tonight...se winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 4 seconds and ne 1 foot at 7 seconds. a chance of rain after
midnight. 
.mon...s winds 25 to 30 kt with gusts up to 35 kt. seas 3 to
5 ft. wave detail: se 4 ft at 5 seconds. patchy fog. rain. vsby
1 nm or less. 
.mon night...s winds 25 to 35 kt with gusts up to 45 kt,
increasing to 30 to 40 kt with gusts up to 55 kt after midnight.
seas 5 to 7 ft. wave detail: s 6 ft at 5 seconds and se 6 ft at
9 seconds. rain. areas of dense fog in the evening with vsby 1 nm
or less. 
.tue...sw winds 25 to 30 kt, becoming w 20 to 25 kt in the
afternoon. seas 4 to 6 ft. wave detail: sw 5 ft at 5 seconds and
se 5 ft at 10 seconds. a chance of rain in the morning. 
.tue night...w winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. seas 3 to 4 ft. wave detail: w 4 ft at 4 seconds
and se 3 ft at 11 seconds. 
.wed...w winds 15 to 20 kt. seas 2 to 4 ft. 
.wed night through thu night...s winds 10 to 15 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 150804
cwfbox
expires:202603152100;;704265

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

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


anz250-152100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
404 am edt sun mar 15 2026

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

.today...n winds 10 to 15 kt with gusts up to 20 kt, becoming e
5 to 10 kt this afternoon. seas 2 to 4 ft. wave detail: nw 4 ft
at 5 seconds and e 1 foot at 9 seconds. 
.tonight...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
3 to 5 ft after midnight. wave detail: se 2 ft at 3 seconds and e
1 foot at 7 seconds, becoming se 5 ft at 5 seconds and se 5 ft at
10 seconds. a chance of rain after midnight. 
.mon...se winds 25 to 30 kt with gusts up to 40 kt. seas 5 to
7 ft, building to 7 to 10 ft in the afternoon. wave detail: se
7 ft at 6 seconds, becoming se 9 ft at 7 seconds. patchy fog in
the morning. areas of dense fog in the afternoon. rain. 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: se 11 ft at 9 seconds and s
6 ft at 6 seconds, becoming se 12 ft at 9 seconds and s 6 ft at
7 seconds. rain. areas of dense fog in the evening with vsby 1 nm
or less. 
.tue...sw winds 25 to 30 kt, becoming w 20 to 25 kt in the
afternoon. seas 8 to 11 ft. wave detail: se 10 ft at 10 seconds
and sw 6 ft at 7 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: w 7 ft at 5 seconds and se 7 ft at
11 seconds. a chance of light freezing spray after midnight. 
.wed...w winds 15 to 20 kt with gusts up to 25 kt. seas 5 to
7 ft. a chance of light freezing spray. 
.wed night through thu night...s winds 10 to 15 kt with gusts up
to 20 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 kgyx 150545
cwfgyx
expires:202603151945;;696695

coastal waters forecast
national weather service gray me
145 am edt sun mar 15 2026

coastal waters from stonington me to merrimack river ma out to 25 nm


anz154-151945-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
145 am edt sun mar 15 2026

...small craft advisory in effect until 10 am edt this morning...
...storm watch in effect from monday evening through tuesday
morning...

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

$$