fzus51 kbox 161704
cwfbox
expires:202608170600;;298075

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt sun aug 16 2026

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


anz230-170600-
boston harbor-
103 pm edt sun aug 16 2026

.this afternoon...se winds 5 to 10 kt. waves around 2 ft. 
.tonight...s winds 10 to 15 kt. gusts up to 20 kt in the evening.
waves around 2 ft. a chance of showers after midnight. 
.mon...s winds 5 to 10 kt. waves around 2 ft. patchy fog. a
chance of showers. vsby 1 to 3 nm. 
.mon night...e winds 5 to 10 kt, becoming n after midnight. waves
1 foot or less. patchy fog. a chance of showers in the evening
with vsby 1 to 3 nm. 
.tue...n winds 5 to 10 kt, becoming ne in the afternoon. waves
1 foot or less. 
.tue night...se winds around 5 kt, becoming sw after midnight.
waves 1 foot or less. 
.wed and wed night...sw winds 5 to 10 kt. waves 1 foot or less. 
.thu and thu night...n winds 5 to 10 kt, becoming w. 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 161704
cwfbox
expires:202608170600;;298064

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt sun aug 16 2026

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


anz250-170600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 pm edt sun aug 16 2026

...small craft advisory in effect from monday morning through
monday evening...

.this afternoon...se winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. wave detail: s 1 foot at 2 seconds and ne 1 foot
at 3 seconds. 
.tonight...s winds 10 to 15 kt with gusts up to 20 kt. seas
around 3 ft. wave detail: s 2 ft at 4 seconds and e 1 foot at
3 seconds. a chance of showers after midnight. 
.mon...s winds 10 to 15 kt with gusts up to 20 kt. seas 3 to
4 ft. wave detail: se 3 ft at 4 seconds and se 1 foot at
10 seconds. a chance of showers. patchy fog in the afternoon with
vsby 1 to 3 nm. 
.mon night...se winds 5 to 10 kt, becoming ne after midnight.
seas 2 to 4 ft. wave detail: se 3 ft at 5 seconds and se 1 foot
at 10 seconds. patchy fog. a chance of showers. vsby 1 to 3 nm in
the evening. 
.tue...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 9 seconds and nw 2 ft at 4 seconds. 
.tue night...e winds around 5 kt, becoming sw around 5 kt after
midnight. seas 2 to 3 ft. wave detail: se 3 ft at 8 seconds and
sw 2 ft at 6 seconds. 
.wed and wed night...sw winds 5 to 10 kt. gusts up to 20 kt. seas
2 to 3 ft. 
.thu and thu night...nw 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.

$$