fzus51 kbox 152048
cwfbox
expires:202603161000;;737464

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

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


anz230-161000-
boston harbor-
448 pm edt sun mar 15 2026

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

.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 showers
after midnight. 
.mon...se winds 20 to 25 kt with gusts up to 30 kt. waves 2 to
3 ft. patchy fog. showers. 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. patchy fog. showers. 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. patchy fog
in the morning. showers likely in the morning. 
.tue night and wed...w winds 20 to 25 kt with gusts up to 30 kt.
waves around 2 ft. 
.wed night...s winds 5 to 10 kt. waves around 2 ft in the
evening, then 1 foot or less. 
.thu through fri...sw winds 10 to 15 kt. waves around 2 ft. 
.fri night...sw winds 15 to 20 kt. waves around 2 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 152048
cwfbox
expires:202603161000;;737453

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

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


anz250-161000-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
448 pm edt sun mar 15 2026

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

.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 3 ft at 3 seconds and
nw 1 foot at 4 seconds, becoming se 5 ft at 5 seconds and e
1 foot at 10 seconds. a chance of showers after midnight. 
.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, becoming w around 20 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.

$$