fzus51 kbox 251704
cwfbox
expires:202609260600;;039913

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt fri sep 25 2026

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


anz230-260600-
boston harbor-
103 pm edt fri sep 25 2026

...storm warning in effect through saturday evening...

.this afternoon...ne winds around 20 kt with gusts up to 30 kt.
waves 2 to 3 ft. a slight chance of rain. 
.tonight...ne winds 20 to 25 kt with gusts up to 35 kt. waves
2 to 3 ft, except 4 to 6 ft at the outer harbor entrance. a
chance of rain. 
.sat...ne winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. gusts up to 50 kt. waves 2 to 3 ft, except 5 to 7 ft
at the outer harbor entrance. rain.
.sat night...ne winds 25 to 30 kt with gusts up to 50 kt. waves
2 to 3 ft, except 5 to 7 ft at the outer harbor entrance. rain.
.sun and sun night...ne winds 20 to 25 kt with gusts up to 45 kt.
waves 2 to 3 ft, except 4 to 6 ft at the outer harbor entrance.
rain.
.mon and mon night...ne winds 15 to 20 kt with gusts up to 25 kt.
waves 2 to 3 ft, except 4 to 6 ft at the outer harbor entrance.
rain.
.tue...n winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.tue night...w winds around 5 kt. waves 1 foot or less, except
2 to 4 ft at the outer harbor entrance.  

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 251704
cwfbox
expires:202609260600;;039902

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt fri sep 25 2026

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


anz250-260600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 pm edt fri sep 25 2026

...storm warning in effect through saturday evening...

.this afternoon...ne winds 20 to 25 kt with gusts up to 35 kt.
seas 10 to 13 ft. wave detail: e 12 ft at 12 seconds and ne 8 ft
at 8 seconds. a chance of rain. 
.tonight...ne winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. gusts up to 45 kt. seas 11 to 15 ft, building to 14 to
19 ft after midnight. wave detail: e 14 ft at 11 seconds and n
9 ft at 7 seconds, becoming e 15 ft at 11 seconds and n 10 ft at
7 seconds. a chance of rain. 
.sat...ne winds 25 to 30 kt with gusts up to 50 kt. seas 15 to
20 ft. wave detail: e 15 ft at 11 seconds and ne 12 ft at
8 seconds. rain.
.sat night...ne winds around 30 kt with gusts up to 50 kt. seas
13 to 17 ft. wave detail: ne 14 ft at 10 seconds and se 12 ft at
10 seconds. rain.
.sun...ne winds 25 to 30 kt with gusts up to 50 kt. seas 11 to
15 ft. wave detail: ne 12 ft at 10 seconds and s 5 ft at
9 seconds. rain.
.sun night...ne winds 20 to 25 kt. gusts up to 40 kt, decreasing
to 30 kt after midnight. seas 9 to 13 ft, subsiding to 8 to 10 ft
after midnight. wave detail: ne 10 ft at 9 seconds and se 3 ft at
9 seconds, becoming ne 10 ft at 8 seconds and s 2 ft at
8 seconds. rain.
.mon...ne winds 15 to 20 kt with gusts up to 30 kt. seas 7 to
9 ft. rain.
.mon night...ne winds 10 to 15 kt with gusts up to 20 kt. seas
5 to 8 ft. rain likely. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt. seas 5 to
6 ft. a chance of showers. 
.tue night...nw winds around 5 kt. seas 4 to 5 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.

$$