fzus51 kbox 182304
cwfbox
expires:202608191200;;959778

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

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


anz230-191200-
boston harbor-
704 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 182304
cwfbox
expires:202608191200;;959767

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

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


anz250-191200-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
704 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.

$$