fzus51 kbox 171705
cwfbox
expires:202608180600;;887603

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt mon aug 17 2026

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


anz230-180600-
boston harbor-
105 pm edt mon aug 17 2026

.this afternoon...se winds 5 to 10 kt. waves around 2 ft. patchy
fog. a chance of showers. vsby 1 to 3 nm. 
.tonight...e winds 5 to 10 kt, becoming n after midnight. waves
1 foot or less. patchy fog. a chance of showers in the evening.
vsby 1 to 3 nm, decreasing to 1 nm or less after midnight. 
.tue...n winds 5 to 10 kt. waves 1 foot or less. patchy fog in
the morning with vsby 1 to 3 nm. 
.tue night...e winds around 5 kt, becoming sw after midnight.
waves 1 foot or less. 
.wed...sw winds around 5 kt, becoming s in the afternoon. waves
1 foot or less. 
.wed night...sw winds 5 to 10 kt. waves 1 foot or less. 
.thu and thu night...n winds 5 to 10 kt, becoming w. waves 1 foot
or less. a chance of showers. 
.fri and fri night...e winds 5 to 10 kt. waves 1 foot or less.  

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 171705
cwfbox
expires:202608180600;;887594

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt mon aug 17 2026

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


anz231-180600-
cape cod bay-
105 pm edt mon aug 17 2026

.this afternoon...se winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: se 2 ft at 10 seconds and e 1 foot
at 3 seconds. patchy fog. showers likely. vsby 1 to 3 nm. 
.tonight...se winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. wave detail: se 2 ft at 10 seconds and se 1 foot at
3 seconds. patchy fog. a chance of showers in the evening. vsby
1 nm or less. 
.tue...n winds 5 to 10 kt. seas around 2 ft. wave detail: n
1 foot at 3 seconds and s 1 foot at 7 seconds. patchy fog in the
morning with vsby 1 to 3 nm. 
.tue night...nw winds around 5 kt. seas around 2 ft. wave detail:
s 2 ft at 7 seconds and n 1 foot at 3 seconds. 
.wed...sw winds 5 to 10 kt. seas around 2 ft in the morning, then
1 foot or less. wave detail: n 1 foot at 4 seconds and s 1 foot
at 7 seconds, becoming w 1 foot at 2 seconds and ne 1 foot at
4 seconds. 
.wed night...sw winds 5 to 10 kt. seas around 2 ft in the
evening, then 1 foot or less. wave detail: sw 1 foot at 3 seconds
and ne 1 foot at 4 seconds, becoming sw 1 foot at 2 seconds and
ne 1 foot at 4 seconds. 
.thu...n winds around 5 kt. seas 1 foot or less. 
.thu night...sw winds around 5 kt. seas 1 foot or less. a chance
of showers. 
.fri and fri night...ne winds 5 to 10 kt, becoming e. seas 1 foot
or less.  

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 171705
cwfbox
expires:202608180600;;887592

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 pm edt mon aug 17 2026

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


anz250-180600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
105 pm edt mon aug 17 2026

.this afternoon...se winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 4 ft. wave detail: se 3 ft at 4 seconds and se 1 foot
at 10 seconds. patchy fog. a chance of showers. vsby 1 to 3 nm. 
.tonight...se winds 5 to 10 kt, becoming ne after midnight. seas
2 to 4 ft. wave detail: se 2 ft at 4 seconds and se 1 foot at
10 seconds. patchy fog. a chance of showers. vsby 1 nm or less. 
.tue...n winds 5 to 10 kt. seas 2 to 4 ft. wave detail: se 4 ft
at 6 seconds and n 1 foot at 2 seconds. patchy fog in the morning
with vsby 1 to 3 nm. 
.tue night...n winds around 5 kt, becoming nw after midnight.
seas 2 to 4 ft. wave detail: se 4 ft at 8 seconds and s 2 ft at
7 seconds. 
.wed...sw winds around 5 kt, becoming s in the afternoon. seas
2 to 3 ft. wave detail: se 3 ft at 8 seconds and s 2 ft at
7 seconds. 
.wed night...sw winds 5 to 10 kt. seas around 2 ft. wave detail:
se 2 ft at 8 seconds and ne 1 foot at 4 seconds. 
.thu through fri night...e winds 5 to 10 kt. seas around 2 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 171836
cwfgyx
expires:202608180845;;893696

coastal waters forecast
national weather service gray me
236 pm edt mon aug 17 2026

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


anz154-180845-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
236 pm edt mon aug 17 2026

.this afternoon...s winds 10 to 15 kt. seas 2 to 3 ft. wave detail:
s 3 ft at 5 seconds. 
.tonight...se winds 5 to 10 kt, becoming e after midnight. seas 2 to
3 ft. wave detail: se 3 ft at 5 seconds. patchy fog in the evening,
then areas of fog after midnight. vsby 1 nm or less. 
.tue...ne winds around 5 kt. seas around 2 ft. wave detail: se 2 ft
at 5 seconds and se 2 ft at 9 seconds. areas of fog in the morning
with vsby 1 nm or less.
.tue night...ne winds around 5 kt, becoming nw after midnight. seas
2 to 4 ft. wave detail: se 4 ft at 9 seconds. patchy fog. vsby 1 nm
or less. 
.wed...sw winds around 5 kt, becoming s in the afternoon. seas 3 to
4 ft. wave detail: se 4 ft at 8 seconds. 
.wed night...s winds 5 to 10 kt, becoming w after midnight. seas
2 to 3 ft. wave detail: se 3 ft at 8 seconds. 
.thu...nw winds around 5 kt, becoming se around 5 kt in the
afternoon. seas 2 to 3 ft. 
.thu night...s winds around 5 kt, becoming n after midnight. seas
around 2 ft. 
.fri...ne winds around 5 kt, becoming e in the afternoon. seas
around 2 ft. 
.fri night...se winds around 5 kt, becoming ne after midnight. seas
around 2 ft.  

$$