fzus51 kbox 231703
cwfbox
expires:202610240600;;059179

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt fri oct 23 2026

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


anz230-240600-
boston harbor-
103 pm edt fri oct 23 2026

...small craft advisory in effect until 3 pm edt this afternoon...

.this afternoon...n winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft, except 3 to 5 ft at the outer harbor entrance.
.tonight...n winds 5 to 10 kt. waves around 2 ft in the evening,
then 1 foot or less. at the outer harbor entrance, waves 2 to
4 ft. 
.sat...n winds 5 to 10 kt. waves 1 foot or less, except 2 to 4 ft
at the outer harbor entrance. 
.sat night...s winds around 5 kt, becoming w after midnight.
waves 1 foot or less. 
.sun and sun night...sw winds 5 to 10 kt. waves 1 foot or less. 
.mon through tue night...n 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 231703
cwfbox
expires:202610240600;;059168

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt fri oct 23 2026

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


anz250-240600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 pm edt fri oct 23 2026

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

.this afternoon...n winds 15 to 20 kt with gusts up to 30 kt.
seas 7 to 9 ft. wave detail: ne 9 ft at 9 seconds and nw 5 ft at
6 seconds. 
.tonight...n winds 10 to 15 kt with gusts up to 25 kt. seas 5 to
8 ft, subsiding to 4 to 6 ft after midnight. wave detail: ne 8 ft
at 9 seconds and nw 3 ft at 6 seconds, becoming ne 6 ft at
9 seconds and nw 2 ft at 6 seconds. 
.sat...nw winds 5 to 10 kt. seas 4 to 5 ft. wave detail: ne 5 ft
at 11 seconds and n 1 foot at 5 seconds. 
.sat night...w winds around 5 kt. seas 3 to 4 ft. wave detail: e
4 ft at 12 seconds and n 1 foot at 4 seconds. 
.sun and sun night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: e 3 ft at 13 seconds and s 2 ft at 3 seconds. 
.mon through tue night...ne winds 15 to 20 kt. seas 2 to 4 ft.
wave detail: n 4 ft at 5 seconds.  

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.

$$