fzus51 kbox 210605
cwfbox
expires:202602211900;;996707

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est sat feb 21 2026

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


anz230-211900-
boston harbor-
104 am est sat feb 21 2026

...gale watch in effect from late sunday night through monday
evening...

.rest of tonight...n winds 10 to 15 kt. waves around 2 ft. snow
showers likely. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt, becoming ne
5 to 10 kt in the afternoon. waves around 2 ft in the morning,
then 1 foot or less. a chance of snow showers in the morning. 
.sat night...n winds 5 to 10 kt. waves 1 foot or less. 
.sun...ne winds around 10 kt, increasing to 15 to 20 kt in the
afternoon. waves around 2 ft. a chance of snow in the afternoon. 
.sun night...ne winds 25 to 35 kt. waves 2 to 3 ft. at the outer
harbor entrance, waves 3 to 4 ft, building to 4 to 6 ft after
midnight. snow likely. 
.mon...n winds 30 to 40 kt with gusts up to 45 kt. waves 2 to
3 ft, except 5 to 7 ft at the outer harbor entrance. snow.
.mon night...n winds 25 to 35 kt with gusts up to 40 kt, becoming
nw 20 to 25 kt after midnight. waves around 2 ft, except 5 to
7 ft at the outer harbor entrance. snow likely, mainly in the
evening. 
.tue and tue night...nw winds 15 to 20 kt, becoming w 10 to
15 kt. waves around 2 ft. at the outer harbor entrance, waves
4 to 6 ft, subsiding to 2 to 4 ft. 
.wed...sw winds 10 to 15 kt. waves around 2 ft. a chance of snow.
.wed night...s winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. a chance of rain and snow.  

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 210605
cwfbox
expires:202602211900;;996696

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am est sat feb 21 2026

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


anz250-211900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 am est sat feb 21 2026

...storm watch in effect from monday morning through monday
evening...

.rest of tonight...ne winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 5 ft. wave detail: se 5 ft at 7 seconds. snow showers
likely with a chance of showers. 
.sat...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 4 to 6 ft. wave detail: ne
5 ft at 6 seconds and se 2 ft at 7 seconds. a chance of snow
showers in the morning. 
.sat night...ne winds around 10 kt. seas 4 to 5 ft. wave detail:
e 5 ft at 7 seconds. 
.sun...ne winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas around 4 ft. wave detail: e 4 ft at 9 seconds and
se 1 foot at 8 seconds. a chance of snow in the afternoon. 
.sun night...e winds 20 to 25 kt with gusts up to 30 kt, becoming
ne 30 to 40 kt after midnight. seas 5 to 7 ft, building to 7 to
10 ft after midnight. wave detail: e 7 ft at 9 seconds and s
1 foot at 9 seconds, becoming e 10 ft at 8 seconds. a chance of
snow in the evening, then snow likely after midnight. 
.mon...ne winds 35 to 45 kt with gusts up to 55 kt. seas 10 to
14 ft, building to 13 to 18 ft in the afternoon. wave detail: ne
14 ft at 9 seconds, becoming ne 18 ft at 11 seconds and n 5 ft at
7 seconds. snow.
.mon night...n winds 35 to 45 kt with gusts up to 50 kt, becoming
nw 25 to 30 kt with gusts up to 35 kt after midnight. seas 14 to
18 ft, subsiding to 12 to 16 ft after midnight. snow likely,
mainly in the evening. 
.tue...nw winds 20 to 25 kt. seas 7 to 10 ft. 
.tue night...w winds 10 to 15 kt with gusts up to 20 kt. seas
4 to 6 ft. 
.wed...sw winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. a chance of snow. 
.wed night...sw winds 15 to 20 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.

$$