fzus51 kbox 212303
cwfbox
expires:202610221200;;962884

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt wed oct 21 2026

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


anz230-221200-
boston harbor-
703 pm edt wed oct 21 2026

...small craft advisory in effect through late thursday night...

.tonight...ne winds 15 to 20 kt with gusts up to 25 kt. waves
2 to 3 ft, except 3 to 5 ft at the outer harbor entrance. 
.thu...n winds 15 to 20 kt with gusts up to 25 kt. waves around
2 ft, except 3 to 5 ft at the outer harbor entrance. 
.thu night...n winds 15 to 20 kt with gusts up to 25 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 1 foot or less, except
2 to 4 ft at the outer harbor entrance. 
.sat and sat night...w winds around 5 kt. waves 1 foot or less. 
.sun through mon night...nw winds 5 to 10 kt. waves 1 foot or
less.  

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 212303
cwfbox
expires:202610221200;;962875

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt wed oct 21 2026

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


anz231-221200-
cape cod bay-
703 pm edt wed oct 21 2026

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

.tonight...ne winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: n 6 ft at 5 seconds. a chance of light rain. 
.thu...n winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. wave detail: n 6 ft at 6 seconds. 
.thu night...n winds 25 to 30 kt with gusts up to 35 kt. seas
5 to 7 ft. wave detail: 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 5 to 7 ft. wave detail: n 7 ft
at 7 seconds. 
.fri night...n winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 3 to 5 ft. wave
detail: n 5 ft at 7 seconds. 
.sat and sat night...w winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: n 3 ft at 6 seconds. 
.sun through mon night...nw winds 10 to 15 kt. seas 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 212303
cwfbox
expires:202610221200;;962873

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt wed oct 21 2026

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


anz250-221200-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
703 pm edt wed oct 21 2026

...small craft advisory in effect through thursday morning...
...gale warning in effect from thursday morning through friday
afternoon...

.tonight...ne winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. gusts up to 35 kt. seas 8 to 9 ft. wave detail: e 9 ft
at 10 seconds and nw 3 ft at 5 seconds. a slight chance of light
rain. 
.thu...n winds 20 to 25 kt with gusts up to 35 kt. seas 7 to
9 ft. wave detail: e 9 ft at 9 seconds and n 5 ft at 6 seconds. 
.thu night...n winds 25 to 30 kt with gusts up to 35 kt. seas
7 to 10 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 8 to 10 ft, subsiding to 6 to
9 ft in the afternoon. wave detail: ne 10 ft at 9 seconds and n
7 ft at 7 seconds, becoming ne 9 ft at 9 seconds and n 5 ft at
6 seconds. 
.fri night...n winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 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 and sat night...w winds 5 to 10 kt. seas 3 to 5 ft. wave
detail: nw 5 ft at 3 seconds and ne 5 ft at 9 seconds. 
.sun through mon night...nw winds 10 to 15 kt with gusts up to
20 kt. seas 2 to 3 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 kgyx 212102
cwfgyx
expires:202610221000;;958618

coastal waters forecast
national weather service gray me
502 pm edt wed oct 21 2026

coastal waters from stonington me to merrimack river ma out to 60 nm


anz154-221000-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
502 pm edt wed oct 21 2026

...small craft advisory in effect through thursday evening...
...gale warning in effect from thursday evening through friday
afternoon...

.tonight...ne winds 10 to 15 kt, becoming n 15 to 20 kt towards
daybreak. gusts up to 30 kt. seas 5 to 7 ft. wave detail: e 7 ft at
9 seconds. 
.thu...n winds 15 to 20 kt with gusts up to 30 kt. seas 6 to 8 ft.
wave detail: e 8 ft at 10 seconds. 
.thu night...n winds 20 to 25 kt with gusts up to 35 kt. seas 6 to
9 ft. wave detail: e 8 ft at 9 seconds. 
.fri...n winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 30 kt. seas 5 to 8 ft. wave detail: ne 8 ft
at 8 seconds. 
.fri night...n winds 5 to 10 kt. seas 3 to 5 ft. wave detail: ne
5 ft at 9 seconds. 
.sat...nw winds around 5 kt, becoming sw in the afternoon. seas 2 to
4 ft. wave detail: ne 4 ft at 8 seconds. 
.sat night...w winds around 5 kt. seas 2 to 3 ft. 
.sun...w winds around 5 kt, becoming sw in the afternoon. seas
around 2 ft. 
.sun night...sw winds 5 to 10 kt. seas around 2 ft. 
.mon...w winds 5 to 10 kt, becoming sw in the afternoon. seas around
2 ft. 
.mon night...w winds around 5 kt, becoming n 10 to 15 kt with gusts
up to 20 kt after midnight. seas 1 foot or less, then around 2 ft
after midnight.  

$$