fzus51 kbox 170805
cwfbox
expires:202610172100;;242465

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

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


anz230-172100-
boston harbor-
405 am edt sat oct 17 2026

...small craft advisory in effect through this evening...

.today...nw winds 15 to 20 kt with gusts up to 30 kt. waves
around 2 ft. a chance of showers this morning. 
.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...se winds 5 to 10 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 170805
cwfbox
expires:202610172100;;242456

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

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


anz231-172100-
cape cod bay-
405 am edt sat oct 17 2026

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

.today...n winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
4 ft. wave detail: n 4 ft at 5 seconds and s 1 foot at 8 seconds.
showers likely, mainly this morning. 
.tonight...n winds 15 to 20 kt with gusts up to 30 kt. seas 2 to
4 ft. wave detail: n 4 ft at 6 seconds and s 1 foot at 8 seconds.
.sun...n winds 10 to 15 kt with gusts up to 25 kt, becoming ne
around 5 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 around 5 kt. seas 2 to 3 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 170805
cwfbox
expires:202610172100;;242454

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

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


anz250-172100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 am edt sat oct 17 2026

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

.today...nw winds 20 to 25 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.
a chance of showers, mainly this morning. 
.tonight...n 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 1 foot at
8 seconds. 
.sun...n winds 10 to 15 kt with gusts up to 25 kt, becoming ne
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 2 to 3 ft, building to
3 to 5 ft after midnight. wave detail: n 3 ft at 5 seconds and se
1 foot at 7 seconds, becoming e 4 ft at 8 seconds and ne 2 ft at
5 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 170625
cwfgyx
expires:202610172030;;236660

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

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


anz154-172030-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
225 am edt sat oct 17 2026

...small craft advisory in effect through this evening...

.today...nw winds 15 to 20 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: nw 3 ft at 3 seconds and se 3 ft at 8 seconds. a
slight chance of showers this morning. 
.tonight...nw winds 15 to 20 kt with gusts up to 30 kt, becoming n
10 to 15 kt with gusts up to 20 kt after midnight. seas 2 to 4 ft.
wave detail: n 3 ft at 4 seconds and se 2 ft at 8 seconds. 
.sun...nw winds around 5 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: ne 2 ft at 4 seconds. 
.sun night...s winds 5 to 10 kt. seas 1 foot or less. 
.mon...se winds around 5 kt. seas 2 to 4 ft. wave detail: se 4 ft at
9 seconds. 
.mon night...ne winds 5 to 10 kt. seas 3 to 5 ft, building to 5 to
7 ft after midnight. wave detail: se 5 ft at 10 seconds, becoming se
7 ft at 11 seconds. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt. seas 6 to 8 ft. 
.tue night...ne winds 10 to 15 kt with gusts up to 20 kt, increasing
to 15 to 20 kt with gusts up to 30 kt after midnight. seas 6 to
7 ft. 
.wed...ne winds 15 to 20 kt with gusts up to 30 kt. seas 5 to 6 ft. 
.wed night...ne winds 10 to 15 kt with gusts up to 20 kt. seas 5 to
7 ft.  

$$