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coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt tue aug 25 2026

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


anz230-252100-
boston harbor-
404 am edt tue aug 25 2026

.today...w winds 5 to 10 kt. waves 1 foot or less. 
.tonight...w winds 5 to 10 kt. waves 1 foot or less. 
.wed...nw winds around 5 kt, becoming se in the afternoon. waves
1 foot or less. 
.wed night...s winds 5 to 10 kt, becoming sw after midnight.
waves 1 foot or less. 
.thu...sw winds around 5 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. waves 1 foot or less, then around 2 ft
in the afternoon. 
.thu night...s winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. waves around 2 ft in
the evening, then 1 foot or less. a chance of showers and tstms
after midnight. 
.fri and fri night...s winds 5 to 10 kt, becoming w. waves 1 foot
or less. a chance of showers and tstms. 
.sat and sat night...n winds 5 to 10 kt, becoming sw. waves
1 foot or less.  

winds and waves higher in and near tstms.

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 250805
cwfbox
expires:202608252100;;324661

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 am edt tue aug 25 2026

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


anz250-252100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
404 am edt tue aug 25 2026

.today...sw winds around 5 kt. seas 2 to 3 ft. wave detail: se
2 ft at 6 seconds and sw 1 foot at 3 seconds. 
.tonight...sw winds 5 to 10 kt, becoming nw after midnight. seas
around 2 ft. wave detail: se 2 ft at 6 seconds and sw 1 foot at
2 seconds. 
.wed...nw winds 5 to 10 kt, becoming se in the afternoon. seas
2 to 3 ft. wave detail: se 3 ft at 10 seconds and w 1 foot at
3 seconds. 
.wed night...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 9 seconds and nw 1 foot at 3 seconds. 
.thu...sw winds 5 to 10 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 4 ft. wave detail: s 3 ft at
4 seconds and se 3 ft at 9 seconds. 
.thu night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. wave detail: s 3 ft at 4 seconds and se 3 ft at
9 seconds. a chance of showers after midnight. 
.fri...s winds 5 to 10 kt. seas 2 to 3 ft. a chance of showers. 
.fri night through sat night...sw winds 5 to 10 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.

$$