fzus51 kbox 222003
cwfbox
expires:202610230900;;011304

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

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


anz230-230900-
boston harbor-
403 pm edt thu oct 22 2026

...small craft advisory in effect through friday morning...

.tonight...n winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. gusts up to 30 kt. waves around 2 ft, except 3 to 5 ft
at the outer harbor entrance. 
.fri...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. waves around 2 ft, except 3 to 5 ft at the outer
harbor entrance. 
.fri night...n winds 5 to 10 kt. waves 1 foot or less, except
2 to 4 ft at the outer harbor entrance. 
.sat...nw winds around 5 kt. waves 1 foot or less, except 2 to
4 ft at the outer harbor entrance. 
.sat night...w winds around 5 kt. waves 1 foot or less. 
.sun and sun night...sw winds 5 to 10 kt. waves 1 foot or less. 
.mon through tue night...n winds 10 to 15 kt. waves around 2 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.

$$

fzus51 kbox 222003
cwfbox
expires:202610230900;;011293

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

...gale warning in effect through friday afternoon...

.tonight...n winds 25 to 30 kt with gusts up to 35 kt. seas 8 to
11 ft. wave detail: ne 10 ft at 9 seconds and n 7 ft at
6 seconds. 
.fri...n 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: ne
9 ft at 9 seconds and nw 7 ft at 7 seconds. 
.fri night...n winds 10 to 15 kt. gusts up to 20 kt in the
evening. seas 5 to 7 ft. wave detail: ne 7 ft at 9 seconds and nw
2 ft at 6 seconds. 
.sat...n winds 5 to 10 kt, becoming w in the afternoon. seas 3 to
5 ft. wave detail: ne 5 ft at 10 seconds and n 1 foot at
4 seconds. 
.sat night...w winds around 5 kt. seas 2 to 4 ft. wave detail: e
4 ft at 12 seconds and w 2 ft at 4 seconds. 
.sun and sun night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: e 3 ft at 13 seconds. 
.mon through tue night...ne winds 15 to 20 kt. seas 2 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.

$$