fzus51 kbox 171705
cwfbox
expires:202610180600;;261645

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat oct 17 2026

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


anz230-180600-
boston harbor-
104 pm edt sat oct 17 2026

...small craft advisory in effect until 8 pm edt this evening...

.this afternoon...nw winds 15 to 20 kt with gusts up to 25 kt.
waves around 2 ft. 
.tonight...n winds 10 to 15 kt. gusts up to 30 kt, decreasing to
20 kt after midnight. waves around 2 ft. 
.sun...n winds 5 to 10 kt, becoming e in the afternoon. waves
1 foot or less. 
.sun night...s winds around 5 kt. waves 1 foot or less.
.mon...ne winds 5 to 10 kt. waves 1 foot or less, except 2 to
4 ft at the outer harbor entrance. 
.mon night...ne winds 5 to 10 kt, becoming n 10 to 15 kt after
midnight. waves 1 foot or less, then around 2 ft after midnight.
at the outer harbor entrance, waves 2 to 4 ft. 
.tue through wed night...ne winds 20 to 25 kt with gusts up to
30 kt. waves 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 kbox 171705
cwfbox
expires:202610180600;;261636

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat oct 17 2026

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


anz231-180600-
cape cod bay-
104 pm edt sat oct 17 2026

...small craft advisory in effect through late tonight...

.this afternoon...n winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: n 5 ft at 5 seconds and se 1 foot at
8 seconds. 
.tonight...n winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: n 5 ft at 6 seconds and s 1 foot at 8 seconds.
.sun...n winds 10 to 15 kt with gusts up to 20 kt, becoming ne
5 to 10 kt in the afternoon. seas 2 to 3 ft. wave detail: n 3 ft
at 6 seconds and se 1 foot at 8 seconds. 
.sun night...e winds 5 to 10 kt. seas around 2 ft. wave detail: n
2 ft at 5 seconds and e 2 ft at 8 seconds. 
.mon...ne winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
seas 2 to 4 ft. wave detail: e 4 ft at 9 seconds and se 4 ft at
13 seconds. 
.mon night...ne winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. gusts up to 25 kt. seas 3 to 5 ft. wave detail: e
5 ft at 9 seconds and e 5 ft at 12 seconds. 
.tue through wed night...ne winds 25 to 30 kt. seas 3 to 5 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 171705
cwfbox
expires:202610180600;;261634

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt sat oct 17 2026

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


anz250-180600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 pm edt sat oct 17 2026

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

.this afternoon...nw winds 15 to 20 kt with gusts up to 30 kt.
seas 4 to 6 ft. wave detail: n 5 ft at 6 seconds and se 2 ft at
8 seconds. 
.tonight...n winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. gusts up to 30 kt. seas 4 to 6 ft. wave detail: n 5 ft
at 6 seconds and se 1 foot at 8 seconds. 
.sun...n winds 5 to 10 kt with gusts up to 20 kt, diminishing to
around 5 kt in the afternoon. seas 2 to 4 ft. wave detail: n 3 ft
at 6 seconds and se 1 foot at 8 seconds. 
.sun night...se winds 5 to 10 kt. seas around 2 ft. wave detail:
n 2 ft at 5 seconds and e 2 ft at 8 seconds. 
.mon...e winds 5 to 10 kt. seas 4 to 6 ft, building to 6 to 9 ft
in the afternoon. wave detail: e 6 ft at 10 seconds and se 4 ft
at 14 seconds, becoming e 9 ft at 11 seconds and e 2 ft at
4 seconds. 
.mon night...ne winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 7 to 10 ft. wave detail: e 10 ft at 11 seconds and
ne 4 ft at 4 seconds. 
.tue...ne winds 15 to 20 kt with gusts up to 25 kt. seas 7 to
10 ft. 
.tue night through wed night...ne winds 20 to 25 kt with gusts up
to 30 kt. seas 5 to 8 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 171825
cwfgyx
expires:202610180830;;265483

coastal waters forecast
national weather service gray me
225 pm edt sat oct 17 2026

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


anz154-180830-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
225 pm edt sat oct 17 2026

...small craft advisory in effect until midnight edt tonight...

.this afternoon...nw winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 5 ft. wave detail: nw 4 ft at 4 seconds and se 2 ft at
8 seconds. 
.tonight...n winds 15 to 20 kt with gusts up to 30 kt, diminishing
to 10 to 15 kt with gusts up to 20 kt after midnight. seas 3 to
5 ft, subsiding to 2 to 3 ft after midnight. wave detail: n 4 ft at
4 seconds and se 2 ft at 8 seconds, becoming ne 2 ft at 4 seconds. 
.sun...nw winds around 5 kt, becoming sw in the afternoon. seas
around 2 ft in the morning, then 1 foot or less. 
.sun night...s winds 5 to 10 kt. seas 1 foot or less. 
.mon...s winds around 5 kt, becoming e in the afternoon. seas 2 to
3 ft. wave detail: se 2 ft at 8 seconds. 
.mon night...ne winds around 5 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. seas 2 to 4 ft, building to 4 to
6 ft after midnight. wave detail: se 4 ft at 10 seconds, becoming se
6 ft at 12 seconds. 
.tue...n winds 15 to 20 kt, becoming ne 10 to 15 kt in the
afternoon. seas 5 to 8 ft. 
.tue night...ne winds 15 to 20 kt with gusts up to 30 kt. seas 6 to
7 ft. 
.wed...ne winds 15 to 20 kt with gusts up to 30 kt. seas 6 to 8 ft. 
.wed night...ne winds 10 to 15 kt with gusts up to 25 kt. seas 6 to
7 ft.  

$$