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

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


anz230-252100-
boston harbor-
404 am edt mon may 25 2026

.today...s winds around 5 kt, becoming w around 5 kt this
afternoon. waves 1 foot or less. patchy fog. showers. vsby 1 nm
or less, increasing to 1 to 3 nm this afternoon. 
.tonight...sw winds around 5 kt, becoming nw after midnight.
waves 1 foot or less. patchy fog. vsby 1 to 3 nm. 
.tue...w winds around 5 kt, becoming s in the afternoon. waves
1 foot or less. 
.tue night...sw winds around 10 kt. waves around 2 ft. 
.wed...w winds around 10 kt. waves 1 foot or less, then around
2 ft in the afternoon. a chance of showers in the afternoon. 
.wed night...nw winds 5 to 10 kt. waves 1 foot or less. a chance
of showers in the evening. 
.thu...n winds around 10 kt. waves around 2 ft. a chance of
showers. 
.thu night...n winds 5 to 10 kt. waves 1 foot or less. 
.fri and fri night...ne winds 5 to 10 kt, becoming sw. waves
1 foot or less. 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 250804
cwfbox
expires:202605252100;;612313

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

...small craft advisory in effect through late tonight...

.today...s winds 5 to 10 kt, becoming w this afternoon. seas 4 to
6 ft. wave detail: se 6 ft at 8 seconds and s 1 foot at
4 seconds. patchy fog. showers. vsby 1 nm or less. 
.tonight...sw winds around 5 kt, becoming nw after midnight. seas
3 to 5 ft. wave detail: se 5 ft at 8 seconds and sw 1 foot at
4 seconds. patchy fog. vsby 1 nm or less, increasing to 1 to 3 nm
after midnight. 
.tue...nw winds around 5 kt, becoming s 10 to 15 kt in the
afternoon. seas 2 to 4 ft. wave detail: se 4 ft at 8 seconds. 
.tue night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 4 ft. wave detail: se 3 ft at 8 seconds and s 2 ft at
3 seconds. 
.wed...sw winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and
se 2 ft at 7 seconds. 
.wed night...nw winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. wave detail: nw 2 ft at 3 seconds and se 2 ft at
7 seconds. 
.thu through fri...ne winds 5 to 10 kt. seas around 2 ft. 
.fri night...sw winds 10 to 15 kt. seas around 2 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.

$$