fzus51 kbox 271705
cwfbox
expires:202604280600;;619571

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

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


anz230-280600-
boston harbor-
104 pm edt mon apr 27 2026

.this afternoon...e winds 5 to 10 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. 
.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 271705
cwfbox
expires:202604280600;;619562

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

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


anz231-280600-
cape cod bay-
104 pm edt mon apr 27 2026

.this afternoon...ne winds 5 to 10 kt. seas around 2 ft. wave
detail: n 1 foot at 3 seconds and se 1 foot at 8 seconds. 
.tonight...ne winds 5 to 10 kt. gusts up to 20 kt after midnight.
seas around 2 ft. wave detail: se 2 ft at 7 seconds and ne 1 foot
at 3 seconds. 
.tue...ne winds around 10 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: se 3 ft at 9 seconds and e 2 ft at
12 seconds. 
.tue night...ne winds 5 to 10 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: n 2 ft at 3 seconds and e
2 ft at 11 seconds. 
.wed...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e 2 ft
at 11 seconds and n 1 foot at 3 seconds. 
.wed night...e winds 5 to 10 kt, becoming se 10 to 15 kt after
midnight. seas 2 to 3 ft. wave detail: ne 2 ft at 10 seconds and
ne 1 foot at 2 seconds. a chance of showers. 
.thu and thu night...se winds 10 to 15 kt, becoming w 15 to
20 kt. seas 2 to 3 ft. showers.
.fri and fri night...w winds 15 to 20 kt. seas 2 to 3 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 271705
cwfbox
expires:202604280600;;619560

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

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


anz250-280600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 pm edt mon apr 27 2026

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

.this afternoon...ne winds around 5 kt. seas around 2 ft. wave
detail: se 2 ft at 7 seconds and n 1 foot at 3 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 5 to 10 kt. gusts up to 20 kt in the afternoon.
seas 3 to 5 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 around 10 kt with gusts up to 20 kt. seas
4 to 6 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. 
.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.

$$

fzus51 kgyx 271318
cwfgyx
expires:202604280330;;612034

coastal waters forecast
national weather service gray me
918 am edt mon apr 27 2026

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


anz154-280330-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
918 am edt mon apr 27 2026

.rest of today...ne winds around 5 kt, becoming e late. seas 1 foot
or less. 
.tonight...e winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 2 ft
at 7 seconds. 
.tue...ne winds 5 to 10 kt. seas 2 to 4 ft. wave detail: se 4 ft at
8 seconds. 
.tue night...ne winds 5 to 10 kt. seas 3 to 5 ft. wave detail: se
4 ft at 8 seconds. a chance of showers after midnight. 
.wed...ne winds 5 to 10 kt. seas 5 to 7 ft. wave detail: e 7 ft at
10 seconds. a chance of showers. 
.wed night...e winds 10 to 15 kt with gusts up to 25 kt. seas 6 to
7 ft. wave detail: e 7 ft at 10 seconds. a chance of showers in the
evening, then showers likely after midnight. 
.thu...e winds 15 to 20 kt with gusts up to 30 kt. seas 6 to 7 ft.
showers.
.thu night...e winds 15 to 20 kt, becoming n after midnight. gusts
up to 30 kt. seas 6 to 8 ft. showers, mainly in the evening. 
.fri...nw winds 15 to 20 kt with gusts up to 30 kt. seas 6 to 8 ft.
a chance of showers. 
.fri night...w winds 15 to 20 kt with gusts up to 30 kt. seas 4 to
6 ft. a chance of showers in the evening.  

$$