fzus51 kbox 182004
cwfbox
expires:202610190900;;326355

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

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


anz230-190900-
boston harbor-
404 pm edt sun oct 18 2026

.tonight...se winds 5 to 10 kt, becoming s 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...n 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. 
.tue night through wed night...n winds 20 to 25 kt with gusts up
to 30 kt. waves 2 to 3 ft, except 4 to 6 ft at the outer harbor
entrance. 
.thu through fri 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.  

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 182004
cwfbox
expires:202610190900;;326346

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

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


anz231-190900-
cape cod bay-
404 pm edt sun oct 18 2026

...gale watch in effect from monday evening through wednesday
evening...

.tonight...e winds 5 to 10 kt. seas around 2 ft. wave detail: n
2 ft at 4 seconds and se 1 foot at 11 seconds. 
.mon...ne winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: e 2 ft at 10 seconds and ne 1 foot at
4 seconds. 
.mon night...ne winds 15 to 20 kt, increasing to 20 to 25 kt with
gusts up to 30 kt after midnight. seas 2 to 3 ft, building to
3 to 5 ft after midnight. wave detail: e 3 ft at 10 seconds and
ne 2 ft at 3 seconds, becoming n 4 ft at 4 seconds and e 4 ft at
10 seconds.
.tue...ne winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. wave detail: n 5 ft at 5 seconds and e 5 ft at 10 seconds. 
.tue night and wed...ne winds 25 to 30 kt with gusts up to 35 kt.
seas 4 to 6 ft. wave detail: n 6 ft at 5 seconds and e 6 ft at
9 seconds. 
.wed night...ne winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. wave detail: e 6 ft at 9 seconds and n 5 ft at
6 seconds. a chance of showers. 
.thu...n winds 20 to 25 kt with gusts up to 30 kt. seas 3 to
5 ft. a chance of showers. 
.thu night...n winds 25 to 30 kt. seas 3 to 5 ft. 
.fri and fri night...n winds 25 to 30 kt, diminishing to 20 to
25 kt. seas 4 to 6 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 182004
cwfbox
expires:202610190900;;326344

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

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


anz250-190900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
404 pm edt sun oct 18 2026

.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 4 to 6 ft, building to
5 to 8 ft after midnight. wave detail: se 6 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...ne winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. seas 6 to 9 ft. wave detail: e 9 ft
at 10 seconds and ne 6 ft at 7 seconds. 
.tue night through wed night...ne winds 20 to 25 kt with gusts up
to 30 kt. seas 7 to 9 ft. wave detail: e 9 ft at 9 seconds and n
7 ft at 6 seconds. 
.thu through fri night...n winds 20 to 25 kt with gusts up to
30 kt. seas 5 to 8 ft. wave detail: n 8 ft at 6 seconds and e
8 ft at 10 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.

$$

fzus51 kgyx 182102
cwfgyx
expires:202610191000;;328561

coastal waters forecast
national weather service gray me
502 pm edt sun oct 18 2026

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


anz154-191000-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
502 pm edt sun oct 18 2026

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

$$