fzus51 kbox 121804
cwfbox
expires:202611130700;;704312

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm est thu nov 12 2026

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


anz230-130700-
boston harbor-
104 pm est thu nov 12 2026

...small craft advisory in effect from 6 pm est this evening
through friday evening...

.this afternoon...e winds 10 to 15 kt with gusts up to 30 kt.
waves 2 to 3 ft. rain likely. 
.tonight...ne winds 15 to 20 kt with gusts up to 35 kt. waves
2 to 3 ft. rain.
.fri...n winds 15 to 20 kt with gusts up to 35 kt. waves around
2 ft, except 3 to 5 ft at the outer harbor entrance. rain likely
in the morning. 
.fri night...n winds 10 to 15 kt with gusts up to 25 kt. waves
around 2 ft, except 3 to 5 ft at the outer harbor entrance. 
.sat and sat night...nw winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.sun through mon night...nw 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 121804
cwfbox
expires:202611130700;;704301

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm est thu nov 12 2026

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


anz250-130700-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 pm est thu nov 12 2026

...gale warning in effect from 6 pm est this evening through
friday evening...

.this afternoon...e winds 15 to 20 kt with gusts up to 30 kt.
seas 2 to 3 ft. wave detail: e 3 ft at 4 seconds and sw 1 foot at
3 seconds. a chance of rain. 
.tonight...ne winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft, building to 6 to 9 ft after midnight. wave detail: e 6 ft
at 6 seconds and n 1 foot at 9 seconds, becoming ne 8 ft at
7 seconds and e 6 ft at 12 seconds. rain.
.fri...ne winds 20 to 25 kt with gusts up to 35 kt. seas 7 to
9 ft. wave detail: n 9 ft at 7 seconds and e 6 ft at 8 seconds.
rain likely, mainly in the morning. 
.fri night...n winds 15 to 20 kt with gusts up to 30 kt. seas
5 to 8 ft. wave detail: ne 8 ft at 8 seconds and n 5 ft at
7 seconds. 
.sat...nw winds 10 to 15 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: n 6 ft at 7 seconds and se 2 ft at 9 seconds.
a chance of rain in the afternoon. 
.sat night...nw winds around 15 kt with gusts up to 20 kt. seas
3 to 4 ft. wave detail: ne 4 ft at 7 seconds and nw 2 ft at
4 seconds. 
.sun through mon...nw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. 
.mon night...nw winds 5 to 10 kt. seas 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.

$$