fzus51 kbox 272005
cwfbox
expires:202604280900;;629638

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

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


anz230-280900-
boston harbor-
405 pm edt mon apr 27 2026

.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 around 10 kt. waves 1 foot or less, then
2 to 3 ft after midnight. at the outer harbor entrance, waves
2 to 4 ft. a chance of showers in the evening, then showers after
midnight. 
.thu and thu night...nw winds 15 to 20 kt. waves 2 to 3 ft.
showers.
.fri and fri night...w winds 15 to 20 kt, diminishing to 10 to
15 kt. gusts up to 25 kt. waves around 2 ft. 
.sat and sat night...w winds 5 to 10 kt. waves 1 foot or less,
except 2 to 4 ft at the outer harbor entrance. 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 272005
cwfbox
expires:202604280900;;629629

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

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


anz231-280900-
cape cod bay-
405 pm edt mon apr 27 2026

.tonight...ne winds 5 to 10 kt. gusts up to 20 kt after midnight.
seas around 2 ft. wave detail: e 2 ft at 7 seconds and n 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 2 ft at 9 seconds and e 2 ft at
11 seconds. 
.tue night...ne winds 5 to 10 kt. gusts up to 20 kt in the
evening. seas 2 to 3 ft. wave detail: se 2 ft at 10 seconds and e
2 ft at 11 seconds. 
.wed...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne 2 ft
at 11 seconds and n 1 foot at 2 seconds. a chance of showers in
the afternoon. 
.wed night...e winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne
2 ft at 10 seconds and ne 1 foot at 2 seconds. a chance of
showers in the evening, then showers likely after midnight. 
.thu and thu night...w winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: w 3 ft at 4 seconds and se 2 ft at
3 seconds. showers.
.fri and fri night...w winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. 
.sat and sat night...sw winds 5 to 10 kt. seas 2 to 4 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 272005
cwfbox
expires:202604280900;;629627

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

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


anz250-280900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 pm edt mon apr 27 2026

...small craft advisory in effect from 2 am edt tuesday through
thursday morning...

.tonight...e winds 5 to 10 kt. seas 2 to 4 ft. wave detail: se
4 ft at 10 seconds and ne 2 ft at 4 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 9 seconds and ne 2 ft at
2 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 ne 1 foot at
2 seconds. 
.wed...ne winds around 10 kt. seas 5 to 7 ft. wave detail: e 7 ft
at 10 seconds and n 1 foot at 3 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 10 seconds and
se 2 ft at 4 seconds. a chance of showers in the evening, then
showers likely after midnight. 
.thu and thu night...nw winds 15 to 20 kt. seas 5 to 7 ft. wave
detail: e 7 ft at 10 seconds and w 4 ft at 4 seconds. showers. a
chance of showers after midnight.
.fri through sat...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 6 ft. 
.sat night...sw winds around 10 kt. seas 3 to 5 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 kgyx 271830
cwfgyx
expires:202604280830;;624745

coastal waters forecast
national weather service gray me
230 pm edt mon apr 27 2026

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


anz154-280830-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
230 pm edt mon apr 27 2026

.this afternoon...e winds around 5 kt. seas 1 foot or less. 
.tonight...se winds around 5 kt. seas 2 to 3 ft. 
.tue...ne winds 5 to 10 kt. seas 2 to 4 ft. wave detail: se 4 ft at
9 seconds. 
.tue night...ne winds 5 to 10 kt. seas 3 to 5 ft. wave detail: se
5 ft at 9 seconds. 
.wed...ne winds 5 to 10 kt. seas 5 to 7 ft. wave detail: e 7 ft at
10 seconds. a chance of showers in the afternoon. 
.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 rain likely after midnight.
.thu...e winds 15 to 20 kt with gusts up to 30 kt. seas 6 to 9 ft.
rain.
.thu night...ne winds 10 to 15 kt, becoming nw after midnight. gusts
up to 25 kt. seas 7 to 9 ft. rain in the evening, then showers
likely after midnight. 
.fri...w winds 15 to 20 kt. gusts up to 30 kt in the morning. seas
6 to 9 ft. a chance of showers. 
.fri night...w winds 10 to 15 kt with gusts up to 20 kt. seas 5 to
7 ft.  

$$