fzus51 kbox 170505
cwfbox
expires:202610171800;;233101

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

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


anz230-171800-
boston harbor-
105 am edt sat oct 17 2026

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

.rest of tonight...nw winds 15 to 20 kt with gusts up to 30 kt.
waves around 2 ft. a chance of showers. 
.sat...nw winds 15 to 20 kt with gusts up to 30 kt. waves around
2 ft. 
.sat night...n winds 10 to 15 kt with gusts up to 30 kt. waves
around 2 ft. 
.sun...n winds 5 to 10 kt with gusts up to 20 kt, becoming ne in
the afternoon. waves around 2 ft in the morning, then 1 foot or
less. 
.sun night through mon night...n winds 10 to 15 kt with gusts up
to 20 kt. waves 2 to 3 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 170505
cwfbox
expires:202610171800;;233090

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

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


anz250-171800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
105 am edt sat oct 17 2026

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

.rest of tonight...nw winds 20 to 25 kt with gusts up to 30 kt.
seas 3 to 5 ft. wave detail: w 4 ft at 4 seconds and se 3 ft at
7 seconds. a chance of showers.
.sat...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 3 ft at 8 seconds.
a chance of showers in the morning. 
.sat night...n winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. gusts up to 30 kt. seas 4 to 6 ft. wave detail: n
6 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
5 to 10 kt in the afternoon. seas 2 to 4 ft. wave detail: n 4 ft
at 5 seconds and s 3 ft at 8 seconds. 
.sun night...e winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
2 ft at 5 seconds and e 2 ft at 9 seconds. 
.mon...e winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
4 ft, building to 4 to 6 ft in the afternoon. wave detail: e 4 ft
at 10 seconds and se 2 ft at 5 seconds, becoming e 6 ft at
10 seconds and ne 2 ft at 6 seconds. 
.mon night...ne winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. gusts up to 25 kt. seas 7 to 10 ft. 
.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 6 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.

$$