fzus51 kbox 231403
cwfbox
expires:202609240300;;926981

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt wed sep 23 2026

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


anz230-240300-
boston harbor-
1003 am edt wed sep 23 2026

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

.this afternoon...ne winds 20 to 25 kt. waves 2 to 3 ft. 
.tonight...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 25 kt. waves 2 to
3 ft. 
.thu night...ne winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. gusts up to 30 kt. waves 2 to 3 ft. 
.fri...ne winds 20 to 25 kt, increasing to 25 to 30 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 showers. 
.fri 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
likely. 
.sat...n winds 25 to 30 kt with gusts up to 40 kt. waves around
2 ft, except 4 to 6 ft at the outer harbor entrance. showers
likely. 
.sat night and sun...n winds 25 to 30 kt with gusts up to 40 kt.
waves around 2 ft, except 4 to 6 ft at the outer harbor entrance.
showers likely with a chance of tstms. 
.sun night...n winds 20 to 25 kt with gusts up to 35 kt. waves
around 2 ft, except 4 to 6 ft at the outer harbor entrance.
showers likely.  

winds and waves higher in and near tstms.

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 231403
cwfbox
expires:202609240300;;926970

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt wed sep 23 2026

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


anz250-240300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1003 am edt wed sep 23 2026

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

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

winds and seas higher in and near tstms.

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.

$$