fzus51 kbox 222004
cwfbox
expires:202609230900;;887883

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt tue sep 22 2026

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


anz230-230900-
boston harbor-
403 pm edt tue sep 22 2026

...small craft advisory in effect through thursday evening...

.tonight...ne winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. waves 2 to 3 ft.
.wed...ne winds 15 to 20 kt with gusts up to 30 kt. waves 2 to
3 ft. 
.wed night...ne winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 3 ft. 
.thu...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. 
.thu 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. 
.fri and fri night...n winds 25 to 30 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. 
.sat and 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.
a chance of showers. 
.sun and sun night...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.
showers likely.  

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 222004
cwfbox
expires:202609230900;;887872

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt tue sep 22 2026

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


anz250-230900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 pm edt tue sep 22 2026

...small craft advisory in effect through thursday evening...

.tonight...ne winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 3 to 5 ft. wave detail: e 5 ft
at 7 seconds and n 1 foot at 4 seconds. 
.wed...ne winds 15 to 20 kt with gusts up to 30 kt. seas 5 to
7 ft. wave detail: e 7 ft at 8 seconds and se 1 foot at
12 seconds. 
.wed night...ne winds 15 to 20 kt with gusts up to 30 kt. seas
6 to 8 ft. wave detail: e 8 ft at 9 seconds and n 1 foot at
4 seconds. 
.thu...ne winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 7 to 10 ft. wave detail: e
9 ft at 10 seconds. 
.thu night...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 ne 6 ft at 7 seconds. 
.fri...ne winds 25 to 30 kt with gusts up to 45 kt. seas 10 to
14 ft. wave detail: e 11 ft at 11 seconds and ne 9 ft at
7 seconds. a chance of showers in the afternoon. 
.fri night...ne winds 25 to 30 kt with gusts up to 45 kt. seas
12 to 15 ft. a chance of showers. 
.sat and sat night...n winds 25 to 30 kt with gusts up to 45 kt.
seas 13 to 16 ft, subsiding to 11 to 15 ft. a chance of showers. 
.sun...ne winds 25 to 30 kt with gusts up to 40 kt. seas 9 to
13 ft. showers likely. 
.sun night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
7 to 10 ft. showers likely.  

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.

$$