fzus51 kbox 182004
cwfbox
expires:202608190900;;953064

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

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


anz230-190900-
boston harbor-
404 pm edt tue aug 18 2026

.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. waves 1 foot or less. 
.sat and sat night...ne winds 5 to 10 kt. waves around 2 ft, then
1 foot or less. a chance of showers. 
.sun and sun night...e winds 5 to 10 kt, becoming sw. waves
1 foot or less. 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.

$$

fzus51 kbox 182004
cwfbox
expires:202608190900;;953055

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

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

$$

fzus51 kbox 182004
cwfbox
expires:202608190900;;953053

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

.tonight...se winds around 5 kt, becoming sw after midnight. seas
2 to 4 ft. wave detail: se 3 ft at 9 seconds and ne 1 foot at
3 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: e 3 ft at 7 seconds and w
1 foot at 2 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: e
3 ft at 7 seconds and s 1 foot at 3 seconds. 
.thu...w winds around 5 kt, becoming ne in the afternoon. seas
around 2 ft. wave detail: e 2 ft at 7 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: se 2 ft at 8 seconds and sw 1 foot
at 2 seconds. 
.fri and fri night...e winds 5 to 10 kt. seas around 2 ft. wave
detail: e 2 ft at 8 seconds and n 1 foot at 2 seconds. 
.sat through sun...e winds 5 to 10 kt. seas 2 to 3 ft. a chance
of showers. 
.sun night...sw winds 5 to 10 kt. seas 2 to 3 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.

$$

fzus51 kgyx 181817
cwfgyx
expires:202608190830;;947044

coastal waters forecast
national weather service gray me
217 pm edt tue aug 18 2026

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


anz154-190830-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
217 pm edt tue aug 18 2026

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

$$