fzus51 kbox 191704
cwfbox
expires:202610200600;;839142

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon oct 19 2026

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


anz230-200600-
boston harbor-
103 pm edt mon oct 19 2026

...small craft advisory in effect from tuesday morning through
wednesday afternoon...

.this afternoon...e winds 5 to 10 kt. waves 1 foot or less.
.tonight...ne winds 5 to 10 kt, becoming n 10 to 15 kt with gusts
up to 20 kt after midnight. waves around 2 ft. 
.tue...ne winds 15 to 20 kt with gusts up to 30 kt. waves 2 to
3 ft. 
.tue night...ne winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. gusts up to 30 kt. waves 2 to 3 ft. 
.wed and wed night...n winds 20 to 25 kt with gusts up to 30 kt.
waves 2 to 3 ft, except 4 to 6 ft at the outer harbor entrance. 
.thu through fri night...n winds 15 to 20 kt with gusts up to
25 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 191704
cwfbox
expires:202610200600;;839131

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt mon oct 19 2026

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


anz250-200600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 pm edt mon oct 19 2026

...small craft advisory in effect from 8 pm edt this evening
through wednesday evening...

.this afternoon...e winds 5 to 10 kt with gusts up to 20 kt. seas
2 to 4 ft. wave detail: e 4 ft at 10 seconds and e 2 ft at
7 seconds. 
.tonight...ne winds 10 to 15 kt with gusts up to 25 kt. seas 5 to
7 ft. wave detail: e 7 ft at 11 seconds and n 3 ft at 3 seconds. 
.tue...ne winds 15 to 20 kt with gusts up to 30 kt. seas 6 to
8 ft. wave detail: e 8 ft at 10 seconds and n 7 ft at 5 seconds. 
.tue night...ne winds 20 to 25 kt with gusts up to 35 kt. seas
6 to 9 ft. wave detail: e 9 ft at 9 seconds and n 7 ft at
6 seconds. 
.wed and wed night...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 6 to 9 ft. wave detail: e 9 ft at 9 seconds and n 7 ft at
6 seconds. 
.thu through fri night...n winds 20 to 25 kt with gusts up to
30 kt. seas 5 to 7 ft. wave detail: n 7 ft at 6 seconds and e
7 ft at 10 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.

$$