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coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1007 pm edt tue mar 24 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz230-251500-
boston harbor-
1007 pm edt tue mar 24 2026

.overnight...sw winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. 
.wed...sw winds 5 to 10 kt. waves around 2 ft in the morning,
then 1 foot or less. 
.wed night...s winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. 
.thu...sw winds 15 to 20 kt with gusts up to 25 kt. waves around
2 ft. a chance of rain in the morning. 
.thu night...sw winds 20 to 25 kt. waves around 2 ft. a chance of
rain in the evening, then rain likely after midnight. 
.fri...nw winds 15 to 20 kt. waves around 2 ft. rain likely in
the morning. 
.fri night...n winds 15 to 20 kt. waves around 2 ft. 
.sat through sun night...sw winds 10 to 15 kt with gusts up to
20 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 250207
cwfbox
expires:202603251500;;246575

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1007 pm edt tue mar 24 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz250-251500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1007 pm edt tue mar 24 2026

...small craft advisory in effect until 7 am edt wednesday...

.overnight...sw winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 5 ft. wave detail: e 4 ft at 9 seconds and sw 3 ft at
4 seconds. 
.wed...w winds 10 to 15 kt with gusts up to 25 kt, becoming sw in
the afternoon. seas 3 to 5 ft, subsiding to 2 to 3 ft in the
afternoon. wave detail: w 3 ft at 4 seconds and e 3 ft at
9 seconds, becoming sw 2 ft at 4 seconds and e 2 ft at 9 seconds.
.wed night...s winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: s 3 ft
at 5 seconds and e 2 ft at 9 seconds. 
.thu...s winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 30 kt. seas 2 to 4 ft. wave detail: s 4 ft
at 5 seconds and e 1 foot at 9 seconds. a chance of rain in the
morning. 
.thu night...sw winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. wave detail: s 5 ft at 6 seconds and e 1 foot at
9 seconds. a chance of rain in the evening, then rain after
midnight. 
.fri...nw winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: w 4 ft at 5 seconds and se 4 ft at 7 seconds.
rain likely in the morning. 
.fri night...n winds 15 to 20 kt. seas 3 to 5 ft. 
.sat...ne winds 15 to 20 kt. seas 3 to 5 ft. 
.sat night through sun night...sw winds 15 to 20 kt. seas 2 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.

$$