fzus51 kbox 212105
cwfbox
expires:202602221000;;031874

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

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


anz230-221000-
boston harbor-
405 pm est sat feb 21 2026

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

.tonight...n winds 5 to 10 kt. waves 1 foot or less. 
.sun...ne winds 5 to 10 kt, becoming e 15 to 20 kt in the
afternoon. waves 1 foot or less, then around 2 ft in the
afternoon. 
.sun night...ne winds 25 to 30 kt, increasing to 30 to 40 kt with
gusts up to 50 kt after midnight. waves 2 to 3 ft. at the outer
harbor entrance, waves 3 to 5 ft, building to 5 to 8 ft after
midnight. snow. areas of fog after midnight with vsby 1 nm or
less. 
.mon...n winds 35 to 45 kt with gusts up to 55 kt. waves 2 to
3 ft, except 7 to 10 ft at the outer harbor entrance. snow. areas
of fog in the morning. vsby 1 nm or less. 
.mon night...nw winds 25 to 35 kt. waves around 2 ft, except 7 to
10 ft at the outer harbor entrance. snow, mainly in the evening. 
.tue...w winds 15 to 20 kt with gusts up to 25 kt. waves around
2 ft, except 4 to 6 ft at the outer harbor entrance. a chance of
light freezing spray in the morning. 
.tue night...w winds 10 to 15 kt. gusts up to 20 kt in the
evening. waves around 2 ft. 
.wed...sw winds 5 to 10 kt. waves around 2 ft. snow likely with a
chance of rain. 
.wed night...sw winds 10 to 15 kt. waves around 2 ft. a chance of
rain and snow. 
.thu...sw winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. a chance of rain. 
.thu night...sw winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. rain likely.  

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 212105
cwfbox
expires:202602221000;;031863

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

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


anz250-221000-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 pm est sat feb 21 2026

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

.tonight...ne winds 5 to 10 kt. seas 3 to 5 ft. wave detail: ne
4 ft at 7 seconds and se 2 ft at 8 seconds. 
.sun...e winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 3 to 4 ft. wave detail: ne 3 ft at 8 seconds and se 2 ft at
8 seconds. 
.sun night...e winds 25 to 30 kt, becoming ne 30 to 40 kt with
gusts up to 50 kt after midnight. seas 5 to 7 ft, building to
11 to 15 ft after midnight. wave detail: e 7 ft at 6 seconds and
se 1 foot at 9 seconds, becoming e 14 ft at 8 seconds and e 2 ft
at 9 seconds. snow. patchy fog after midnight with vsby 1 nm or
less. 
.mon...ne winds 40 to 50 kt with gusts up to 60 kt. seas 17 to
22 ft, building to 22 to 27 ft in the afternoon. wave detail: e
22 ft at 10 seconds, becoming ne 24 ft at 11 seconds and n 5 ft
at 7 seconds. snow. areas of fog in the morning with vsby 1 nm or
less. 
.mon night...n winds 35 to 45 kt with gusts up to 55 kt, becoming
nw 25 to 30 kt with gusts up to 40 kt after midnight. seas 22 to
27 ft, subsiding to 15 to 20 ft after midnight. wave detail: ne
23 ft at 11 seconds and n 8 ft at 8 seconds, becoming ne 18 ft at
10 seconds and nw 8 ft at 8 seconds. snow and rain in the
evening, then a chance of snow after midnight. 
.tue...nw winds 20 to 25 kt, becoming w 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 8 to 11 ft, subsiding to 5 to
8 ft in the afternoon. wave detail: e 11 ft at 10 seconds and n
8 ft at 9 seconds, becoming ne 6 ft at 9 seconds and nw 5 ft at
5 seconds. a chance of light freezing spray in the morning. 
.tue night...w winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. a chance of light freezing spray in the evening. 
.wed...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. rain likely with a chance of snow. 
.wed night and thu...sw winds around 15 kt with gusts up to
20 kt. seas 2 to 4 ft. a chance of rain. 
.thu night...sw winds 15 to 20 kt. seas 3 to 5 ft. rain likely.  

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.

$$