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fzus51 kbox 282004
cwfbox
expires:202604290900;;688914

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt tue apr 28 2026

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


anz230-290900-
boston harbor-
404 pm edt tue apr 28 2026

.tonight...ne winds 5 to 10 kt. waves 1 foot or less, except 2 to
4 ft at the outer harbor entrance. 
.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, except
2 to 4 ft at the outer harbor entrance. patchy fog. a chance of
showers in the evening, then showers after midnight. vsby 1 to
3 nm, decreasing to 1 nm or less after midnight. 
.thu...e winds 5 to 10 kt, becoming ne in the afternoon. waves
1 foot or less, except 2 to 4 ft at the outer harbor entrance.
showers. patchy fog in the morning with vsby 1 nm or less. 
.thu night...nw winds 10 to 15 kt. gusts up to 20 kt after
midnight. waves around 2 ft. a chance of showers 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 5 to 10 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 282004
cwfbox
expires:202604290900;;688903

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt tue apr 28 2026

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


anz250-290900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
404 pm edt tue apr 28 2026

...small craft advisory in effect through thursday afternoon...

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

$$
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