fzus51 kbox 230503
cwfbox
expires:202610231800;;030764

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt fri oct 23 2026

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


anz230-231800-
boston harbor-
103 am edt fri oct 23 2026

...small craft advisory in effect until 8 am edt this morning...

.rest of tonight...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.
.fri...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. waves around 2 ft, except 3 to 5 ft
at the outer harbor entrance. 
.fri night...n winds 5 to 10 kt. waves around 2 ft in the
evening, then 1 foot or less. at the outer harbor entrance, waves
2 to 4 ft. 
.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 230503
cwfbox
expires:202610231800;;030753

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 am edt fri oct 23 2026

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


anz250-231800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 am edt fri oct 23 2026

...gale warning in effect through this afternoon...

.rest of tonight...n winds 25 to 30 kt with gusts up to 35 kt.
seas 8 to 10 ft. wave detail: n 10 ft at 7 seconds. 
.fri...n winds 20 to 25 kt with gusts up to 30 kt. seas 6 to
9 ft. wave detail: ne 9 ft at 9 seconds and nw 7 ft at 7 seconds.
.fri night...n winds 15 to 20 kt with gusts up to 25 kt,
diminishing to around 10 kt after midnight. 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 nw 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 3 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.

$$