fzus51 kbox 271405
cwfbox
expires:202604280300;;613378

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt mon apr 27 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz230-280300-
boston harbor-
1004 am edt mon apr 27 2026

.this afternoon...e winds around 5 kt. waves 1 foot or less. 
.tonight...e winds around 5 kt. waves 1 foot or less. 
.tue...ne winds 5 to 10 kt. waves 1 foot or less, then around
2 ft in the afternoon. 
.tue night...ne winds 5 to 10 kt. waves around 2 ft in the
evening, then 1 foot or less. at the outer harbor entrance, waves
2 to 4 ft. 
.wed...ne winds 5 to 10 kt. waves 1 foot or less, except 2 to
4 ft at the outer harbor entrance. 
.wed night...e winds 10 to 15 kt. waves 1 foot or less, then 2 to
3 ft after midnight. a chance of showers in the evening, then
showers likely after midnight. 
.thu and thu night...e winds 10 to 15 kt, becoming n 15 to 20 kt.
waves 2 to 3 ft. showers.
.fri and fri night...w winds 15 to 20 kt. waves around 2 ft. a
chance of showers.  

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 271405
cwfbox
expires:202604280300;;613367

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1004 am edt mon apr 27 2026

coastal waters from the merrimack river ma to watch hill ri out
to 60 nm


anz250-280300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1004 am edt mon apr 27 2026

...small craft advisory in effect from late tonight through late
tuesday night...

.this afternoon...ne winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: se 2 ft at 7 seconds and n 1 foot at 2 seconds. 
.tonight...e winds 5 to 10 kt. seas 2 to 4 ft. wave detail: e
4 ft at 12 seconds and se 4 ft at 13 seconds. patchy fog after
midnight with vsby 1 to 3 nm. 
.tue...ne winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 4 to 6 ft. wave detail: e 5 ft at 8 seconds and se 5 ft at
10 seconds. patchy fog in the morning with vsby 1 nm or less. 
.tue night...ne winds 10 to 15 kt with gusts up to 20 kt. seas
5 to 7 ft. wave detail: e 6 ft at 10 seconds and n 2 ft at
4 seconds. 
.wed...ne winds around 10 kt. seas 5 to 7 ft. wave detail: e 7 ft
at 10 seconds and n 2 ft at 4 seconds. a chance of showers in the
afternoon. 
.wed night...e winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 4 to 6 ft. wave detail: e 6 ft at 9 seconds and se
2 ft at 3 seconds. a chance of showers. 
.thu and thu night...se winds 15 to 20 kt, becoming ne. seas 4 to
6 ft. showers.
.fri...w winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. a chance of showers. 
.fri night...w winds 15 to 20 kt. seas 4 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.

$$