fzus51 kbox 122307
cwfbox
expires:202603131200;;568428

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
706 pm edt thu mar 12 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz230-131200-
boston harbor-
706 pm edt thu mar 12 2026

.tonight...nw winds 15 to 20 kt. waves around 2 ft. snow and rain
this evening. 
.fri...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. waves around 2 ft. 
.fri night...s winds 15 to 20 kt with gusts up to 25 kt. waves
around 2 ft. a chance of rain. 
.sat...sw winds 20 to 25 kt, becoming w 25 to 30 kt in the
afternoon. waves around 2 ft. 
.sat night...w winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 30 kt. waves around 2 ft. 
.sun...nw winds 5 to 10 kt, becoming e 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. 
.sun night...se winds 15 to 20 kt, increasing to 20 to 25 kt with
gusts up to 30 kt after midnight. waves 2 to 3 ft. a chance of
rain after midnight. 
.mon and mon night...s winds 25 to 30 kt with gusts up to 40 kt.
waves 2 to 3 ft, except 4 to 6 ft at the outer harbor entrance.
rain.
.tue...w winds 20 to 25 kt. waves around 2 ft, except 3 to 5 ft
at the outer harbor entrance. a chance of rain. 
.tue night...w winds 20 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 122307
cwfbox
expires:202603131200;;568417

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
706 pm edt thu mar 12 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz250-131200-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
706 pm edt thu mar 12 2026

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

.tonight...nw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: nw 5 ft at 5 seconds and se 3 ft at 8 seconds.
patchy fog this evening. snow and rain this evening with vsby
1 nm or less.
.fri...w winds 15 to 20 kt, becoming sw in the afternoon. gusts
up to 25 kt. seas 3 to 5 ft. wave detail: nw 4 ft at 5 seconds
and se 3 ft at 9 seconds. 
.fri night...s winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. wave detail: s 5 ft at 5 seconds and se 2 ft at
10 seconds. a chance of rain. 
.sat...w winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: s 5 ft at 6 seconds and se 2 ft at 10 seconds.
a chance of rain in the morning. 
.sat night...w winds 20 to 25 kt with gusts up to 35 kt. seas
4 to 6 ft. wave detail: w 6 ft at 6 seconds and se 2 ft at
8 seconds. 
.sun...nw winds 10 to 15 kt, becoming e 5 to 10 kt in the
afternoon. gusts up to 20 kt. seas 2 to 4 ft. wave detail: n 3 ft
at 5 seconds and se 1 foot at 8 seconds. 
.sun night...se winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. gusts up to 30 kt. seas 2 to 4 ft, building to
4 to 6 ft after midnight. a chance of rain after midnight. 
.mon...se winds 25 to 30 kt with gusts up to 45 kt. seas 7 to
10 ft. rain.
.mon night...s winds 25 to 30 kt with gusts up to 45 kt. seas
9 to 12 ft. rain.
.tue...sw winds 20 to 25 kt with gusts up to 30 kt. seas 7 to
10 ft. a chance of rain. 
.tue night...w winds 20 to 25 kt with gusts up to 30 kt. seas
5 to 7 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.

$$