fzus51 kbox 180805
cwfbox
expires:202608182100;;926280

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

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


anz230-182100-
boston harbor-
405 am edt tue aug 18 2026

.today...ne winds around 5 kt. waves 1 foot or less. patchy fog
this morning with vsby 1 nm or less. 
.tonight...se winds around 5 kt, becoming s after midnight. waves
1 foot or less. patchy fog after midnight. 
.wed...sw winds 5 to 10 kt. waves 1 foot or less. patchy fog in
the morning. 
.wed night...sw winds 5 to 10 kt. waves 1 foot or less. 
.thu...nw winds around 5 kt, becoming e in the afternoon. waves
1 foot or less. a chance of showers in the afternoon. 
.thu night...s winds around 5 kt, becoming nw after midnight.
waves 1 foot or less. a chance of showers in the evening. 
.fri and fri night...ne winds 5 to 10 kt. waves 1 foot or less. 
.sat...e winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.sat night...e 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 180805
cwfbox
expires:202608182100;;926269

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

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


anz250-182100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 am edt tue aug 18 2026

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

$$