fzus51 kbox 181705
cwfbox
expires:202608190600;;944179

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt tue aug 18 2026

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


anz230-190600-
boston harbor-
105 pm edt tue aug 18 2026

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

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 181705
cwfbox
expires:202608190600;;944168

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 pm edt tue aug 18 2026

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


anz250-190600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
105 pm edt tue aug 18 2026

.this afternoon...ne winds around 5 kt. seas 2 to 4 ft. wave
detail: se 3 ft at 9 seconds and e 2 ft at 5 seconds. 
.tonight...se winds around 5 kt, becoming sw after midnight. seas
2 to 4 ft. wave detail: s 4 ft at 8 seconds and se 4 ft at
9 seconds. patchy fog. vsby 1 nm or less. 
.wed...s winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. seas 2 to 3 ft. wave detail: sw 3 ft at 7 seconds and
se 3 ft at 8 seconds. patchy fog in the morning with vsby 1 nm or
less. 
.wed night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se
3 ft at 7 seconds and sw 2 ft at 4 seconds. 
.thu...w winds around 5 kt, becoming ne in the afternoon. seas
around 2 ft. wave detail: se 2 ft at 6 seconds and sw 1 foot at
3 seconds. 
.thu night...s winds around 5 kt, becoming nw after midnight.
seas around 2 ft. wave detail: sw 2 ft at 3 seconds and se 2 ft
at 8 seconds. 
.fri and fri night...ne winds 5 to 10 kt, becoming e. seas around
2 ft. 
.sat and sat night...e winds 5 to 10 kt. seas around 2 ft. a
chance of showers.  

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.

$$