fzus51 kbox 240803
cwfbox
expires:202609242100;;967851

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

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


anz230-242100-
boston harbor-
402 am edt thu sep 24 2026

...small craft advisory in effect through friday morning...
...gale warning in effect from friday morning through saturday
evening...

.today...ne winds 15 to 20 kt with gusts up to 25 kt. waves 2 to
3 ft. 
.tonight...ne winds 15 to 20 kt with gusts up to 30 kt. waves
2 to 3 ft, except 4 to 6 ft at the outer harbor entrance. 
.fri...ne winds 20 to 25 kt with gusts up to 35 kt. waves 2 to
3 ft, except 5 to 7 ft at the outer harbor entrance. a chance of
showers in the afternoon. 
.fri night...ne winds 25 to 30 kt with gusts up to 40 kt. waves
2 to 3 ft, except 5 to 7 ft at the outer harbor entrance. a
chance of showers in the evening, then showers after midnight. 
.sat...n winds 25 to 30 kt with gusts up to 40 kt. waves around
2 ft, except 5 to 7 ft at the outer harbor entrance. showers.
.sat night...n winds 25 to 30 kt with gusts up to 40 kt. waves
around 2 ft, except 5 to 7 ft at the outer harbor entrance.
showers.
.sun and sun night...ne 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.
showers.
.mon...n winds 20 to 25 kt with gusts up to 30 kt. waves around
2 ft, except 3 to 5 ft at the outer harbor entrance. showers
likely. 
.mon night...n winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. a chance of showers.  

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 240803
cwfbox
expires:202609242100;;967840

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

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


anz250-242100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
402 am edt thu sep 24 2026

...small craft advisory in effect through late tonight...
...gale warning in effect from late tonight through friday
morning...
...storm watch in effect from friday morning through saturday
evening...

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

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.

$$