fzus51 kbox 180804
cwfbox
expires:202610182100;;298093

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sun oct 18 2026

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


anz230-182100-
boston harbor-
403 am edt sun oct 18 2026

.today...n winds 5 to 10 kt, becoming ne this afternoon. waves
1 foot or less. 
.tonight...se winds 5 to 10 kt, diminishing to around 5 kt after
midnight. waves 1 foot or less. 
.mon...ne winds 5 to 10 kt. waves 1 foot or less. 
.mon night...ne winds 10 to 15 kt. gusts up to 20 kt after
midnight. waves 1 foot or less, then around 2 ft after midnight. 
.tue and tue night...ne winds 20 to 25 kt with gusts up to 30 kt.
waves 2 to 3 ft. 
.wed through thu night...n 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 180804
cwfbox
expires:202610182100;;298082

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 am edt sun oct 18 2026

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


anz250-182100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 am edt sun oct 18 2026

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

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

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.

$$