fzus51 kbox 182003
cwfbox
expires:202609190900;;672705

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
402 pm edt fri sep 18 2026

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


anz230-190900-
boston harbor-
402 pm edt fri sep 18 2026

.tonight...n winds 10 to 15 kt with gusts up to 25 kt. waves
around 2 ft. 
.sat...n winds around 10 kt with gusts up to 20 kt, becoming e in
the afternoon. waves around 2 ft in the morning, then 1 foot or
less. 
.sat night...se winds 5 to 10 kt. waves 1 foot or less. 
.sun...se winds 5 to 10 kt. waves 1 foot or less. showers likely
in the afternoon. 
.sun night...se winds 5 to 10 kt, becoming ne 10 to 15 kt after
midnight. waves 1 foot or less, then around 2 ft after midnight.
showers.
.mon...ne winds 10 to 15 kt with gusts up to 25 kt. waves around
2 ft. a chance of showers in the morning. 
.mon night...ne winds 5 to 10 kt, increasing to 15 to 20 kt after
midnight. waves 1 foot or less, then 2 to 3 ft after midnight. 
.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 182003
cwfbox
expires:202609190900;;672696

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
402 pm edt fri sep 18 2026

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


anz231-190900-
cape cod bay-
402 pm edt fri sep 18 2026

...small craft advisory in effect from 11 pm edt this evening
through saturday morning...

.tonight...n winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: n 3 ft
at 5 seconds. 
.sat...ne winds 10 to 15 kt with gusts up to 25 kt, diminishing
to 5 to 10 kt in the afternoon. seas 2 to 4 ft. wave detail: n
3 ft at 5 seconds. 
.sat night...e winds around 5 kt. seas around 2 ft. wave detail:
n 2 ft at 6 seconds. 
.sun...se winds 5 to 10 kt. seas around 2 ft. wave detail: ne
2 ft at 5 seconds and se 1 foot at 4 seconds. a chance of showers
in the afternoon. 
.sun night...se winds 5 to 10 kt, becoming e after midnight. seas
1 foot or less, then around 2 ft after midnight. wave detail: se
1 foot at 2 seconds and ne 1 foot at 5 seconds, becoming e 1 foot
at 3 seconds. showers.
.mon...ne winds 15 to 20 kt with gusts up to 30 kt. seas 2 to
4 ft. wave detail: n 3 ft at 4 seconds. a chance of showers in
the morning. 
.mon night...ne winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. gusts up to 25 kt. seas 2 to 4 ft. 
.tue through wed...ne winds 20 to 25 kt with gusts up to 35 kt.
seas 3 to 5 ft. 
.wed night...e winds 25 to 30 kt with gusts up to 35 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 182003
cwfbox
expires:202609190900;;672694

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
402 pm edt fri sep 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-
402 pm edt fri sep 18 2026

...small craft advisory in effect from 8 pm edt this evening
through saturday morning...

.tonight...n winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 25 kt. seas 2 to 4 ft. wave detail: n 4 ft
at 5 seconds. 
.sat...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: ne 4 ft
at 6 seconds and w 2 ft at 5 seconds. 
.sat night...se winds around 5 kt. seas 2 to 3 ft. wave detail:
ne 3 ft at 7 seconds and nw 1 foot at 4 seconds. 
.sun...s winds 5 to 10 kt. seas around 2 ft. wave detail: s 2 ft
at 3 seconds and e 2 ft at 7 seconds. a chance of showers in the
afternoon. 
.sun night...se winds 5 to 10 kt, becoming e 10 to 15 kt after
midnight. seas around 2 ft. wave detail: e 2 ft at 6 seconds and
s 1 foot at 3 seconds. showers.
.mon...ne winds 15 to 20 kt with gusts up to 25 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 3 seconds and ne 3 ft at 5 seconds.
a chance of showers in the morning. 
.mon night...ne winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. gusts up to 25 kt. seas 2 to 4 ft. 
.tue...ne winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. 
.tue night...ne winds 15 to 20 kt with gusts up to 30 kt. seas
5 to 7 ft. 
.wed and wed night...ne winds 20 to 25 kt with gusts up to 30 kt.
seas 6 to 9 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 182102
cwfgyx
expires:202609191000;;675168

coastal waters forecast
national weather service gray me
502 pm edt fri sep 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 fri sep 18 2026

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

$$