fzus51 kbox 242003
cwfbox
expires:202609250900;;994283

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt thu sep 24 2026

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


anz230-250900-
boston harbor-
403 pm edt thu sep 24 2026

...storm warning in effect from friday afternoon through saturday
evening...

.tonight...ne winds 10 to 15 kt with gusts up to 25 kt. waves
2 to 3 ft. 
.fri...ne winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. gusts up to 40 kt. waves 2 to 3 ft, except 4 to 6 ft
at the outer harbor entrance. a chance of rain in the afternoon. 
.fri night...ne winds 20 to 25 kt with gusts up to 40 kt,
becoming n 25 to 30 kt with gusts up to 50 kt after midnight.
waves 2 to 3 ft, except 5 to 7 ft at the outer harbor entrance. a
chance of rain in the evening, then rain likely after midnight. 
.sat...n winds 25 to 30 kt with gusts up to 55 kt. waves around
2 ft, except 5 to 7 ft at the outer harbor entrance. rain.
.sat night and sun...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 night...ne winds 25 to 30 kt with gusts up to 40 kt,
diminishing to 20 to 25 kt with gusts up to 30 kt after midnight.
waves 2 to 3 ft, except 5 to 7 ft at the outer harbor entrance.
rain in the evening. showers after midnight. 
.mon...n winds 20 to 25 kt with gusts up to 30 kt. waves around
2 ft, except 4 to 6 ft at the outer harbor entrance. showers.
.mon night...n winds 15 to 20 kt with gusts up to 25 kt. waves
around 2 ft. showers likely. 
.tue...n winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.tue night...nw winds around 5 kt. waves 1 foot or less.  

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 242003
cwfbox
expires:202609250900;;994272

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt thu sep 24 2026

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


anz250-250900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 pm edt thu sep 24 2026

...storm warning in effect from friday morning through saturday
evening...

.tonight...ne winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. gusts up to 30 kt. seas 8 to 11 ft. wave detail: e
10 ft at 11 seconds and n 1 foot at 4 seconds. 
.fri...ne winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. gusts up to 40 kt. seas 10 to 14 ft. wave detail: e
13 ft at 11 seconds and n 2 ft at 4 seconds. a chance of rain in
the afternoon. 
.fri night...ne winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. gusts up to 60 kt. seas 13 to 18 ft, building to 16 to
21 ft after midnight. wave detail: e 15 ft at 11 seconds and nw
3 ft at 6 seconds, becoming e 16 ft at 11 seconds and nw 3 ft at
6 seconds. a chance of rain in the evening, then rain likely
after midnight. 
.sat...ne winds 30 to 35 kt with gusts up to 60 kt. seas 18 to
23 ft. wave detail: e 17 ft at 11 seconds and nw 3 ft at
7 seconds. rain.
.sat night...ne winds 25 to 30 kt with gusts up to 50 kt. seas
17 to 22 ft, subsiding to 14 to 19 ft after midnight. wave
detail: ne 16 ft at 11 seconds and nw 3 ft at 7 seconds, becoming
ne 14 ft at 10 seconds and nw 3 ft at 7 seconds. rain.
.sun...ne winds 25 to 30 kt with gusts up to 50 kt. seas 12 to
16 ft, subsiding to 9 to 13 ft in the afternoon. wave detail: ne
12 ft at 9 seconds and nw 2 ft at 7 seconds, becoming ne 10 ft at
8 seconds and nw 2 ft at 7 seconds. rain.
.sun night...ne winds 25 to 30 kt with gusts up to 45 kt,
diminishing to 20 to 25 kt with gusts up to 30 kt after midnight.
seas 9 to 13 ft. rain in the evening. showers after midnight. 
.mon...ne winds 20 to 25 kt with gusts up to 30 kt. seas 7 to
10 ft. showers.
.mon night...n winds 15 to 20 kt with gusts up to 25 kt. seas
5 to 7 ft. showers likely. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
5 ft. a chance of showers. 
.tue night...nw winds around 5 kt. seas 3 to 4 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.

$$