fzus51 kbox 181405
cwfbox
expires:202608190300;;938600

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue aug 18 2026

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


anz230-190300-
boston harbor-
1005 am edt tue aug 18 2026

.this afternoon...ne winds around 5 kt, becoming e 10 to 15 kt.
waves 1 foot or less. 
.tonight...se winds 5 to 10 kt, becoming s after midnight. waves
1 foot or less. patchy fog after midnight with vsby 1 nm or less.
.wed...s winds 5 to 10 kt. 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...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 181405
cwfbox
expires:202608190300;;938589

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt tue aug 18 2026

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


anz250-190300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1005 am edt tue aug 18 2026

.this afternoon...n winds around 10 kt. gusts up to 20 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...se winds 5 to 10 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 to 3 nm, decreasing to 1 nm or less
after midnight. 
.wed...s winds around 5 kt, increasing to 10 to 15 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...s winds 10 to 15 kt with gusts up to 20 kt, becoming
w 5 to 10 kt 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.

$$