fzus51 kbox 230203
cwfbox
expires:202610231500;;024554

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu oct 22 2026

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


anz230-231500-
boston harbor-
1003 pm edt thu oct 22 2026

...small craft advisory in effect until 8 am edt friday...

.overnight...n winds 15 to 20 kt, increasing to 20 to 25 kt.
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 230203
cwfbox
expires:202610231500;;024543

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt thu oct 22 2026

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


anz250-231500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1003 pm edt thu oct 22 2026

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

.overnight...n winds 25 to 30 kt with gusts up to 35 kt. seas
8 to 11 ft. wave detail: n 10 ft at 7 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.

$$