fzus51 kbox 290804
cwfbox
expires:202604292100;;717572

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt wed apr 29 2026

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


anz230-292100-
boston harbor-
404 am edt wed apr 29 2026

.today...ne winds around 10 kt. waves 1 foot or less, except 2 to
4 ft at the outer harbor entrance. patchy fog this afternoon. a
slight chance of showers this afternoon. 
.tonight...e winds 5 to 10 kt. waves 1 foot or less, except 2 to
4 ft at the outer harbor entrance. patchy fog. showers after
midnight. vsby 1 to 3 nm. 
.thu...se winds 5 to 10 kt, becoming s in the afternoon. waves
1 foot or less. patchy fog. showers. vsby 1 to 3 nm. 
.thu night...w winds 10 to 15 kt. gusts up to 20 kt after
midnight. waves around 2 ft. showers likely in the evening. 
.fri and fri night...w winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.sat through sun night...w winds 10 to 15 kt. waves around 2 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 290804
cwfbox
expires:202604292100;;717561

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt wed apr 29 2026

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


anz250-292100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
404 am edt wed apr 29 2026

...small craft advisory in effect through friday morning...

.today...ne winds 5 to 10 kt. seas 5 to 8 ft. wave detail: e 8 ft
at 10 seconds and nw 1 foot at 2 seconds. patchy fog. a slight
chance of showers this morning, then a chance of showers this
afternoon. vsby 1 to 3 nm, decreasing to 1 nm or less this
afternoon. 
.tonight...e winds 5 to 10 kt, becoming se 10 to 15 kt with gusts
up to 20 kt after midnight. seas 5 to 7 ft. wave detail: e 7 ft
at 10 seconds and nw 1 foot at 2 seconds. patchy fog. a chance of
showers. vsby 1 nm or less. 
.thu...se winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. seas 5 to 7 ft. wave detail: e
7 ft at 10 seconds and s 1 foot at 3 seconds. patchy fog.
showers. vsby 1 to 3 nm, decreasing to 1 nm or less in the
afternoon. 
.thu night...w winds 5 to 10 kt, increasing to around 15 kt with
gusts up to 20 kt after midnight. seas 4 to 6 ft. wave detail: e
6 ft at 10 seconds and w 2 ft at 3 seconds. patchy fog in the
evening. showers likely in the evening with vsby 1 to 3 nm. 
.fri...w winds 10 to 15 kt. gusts up to 20 kt in the morning.
seas 4 to 6 ft. wave detail: e 5 ft at 10 seconds and w 3 ft at
4 seconds. 
.fri night...w winds 10 to 15 kt. seas 3 to 5 ft. wave detail: e
4 ft at 9 seconds and w 2 ft at 4 seconds. 
.sat through sun night...sw winds 10 to 15 kt with gusts up to
20 kt. seas 3 to 4 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.

$$