fzus51 kbox 170204
cwfbox
expires:202608171500;;321685

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sun aug 16 2026

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


anz230-171500-
boston harbor-
1003 pm edt sun aug 16 2026

.overnight...s winds 10 to 15 kt. waves around 2 ft. a chance of
showers. 
.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...ne winds 5 to 10 kt. waves 1 foot or less. patchy fog in
the morning. 
.tue night...ne winds around 5 kt, becoming w after midnight.
waves 1 foot or less. 
.wed and wed night...w winds 5 to 10 kt. waves 1 foot or less. 
.thu and thu night...w winds around 5 kt. waves 1 foot or less. a
chance of showers. 
.fri and fri night...ne winds 5 to 10 kt, becoming se. waves
1 foot or less.  

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 170204
cwfbox
expires:202608171500;;321674

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 pm edt sun aug 16 2026

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


anz250-171500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1003 pm edt sun aug 16 2026

...small craft advisory in effect from 8 am edt monday through
monday evening...

.overnight...s winds 10 to 15 kt with gusts up to 20 kt. seas
around 3 ft. wave detail: se 2 ft at 3 seconds and se 1 foot at
10 seconds. a chance of showers. 
.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 4 seconds and se 1 foot
at 10 seconds. patchy fog. a chance of showers. vsby 1 to 3 nm. 
.tue...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: se 3 ft
at 8 seconds and se 2 ft at 5 seconds. patchy fog in the morning
with vsby 1 to 3 nm. 
.tue night...ne winds around 5 kt, becoming nw around 5 kt after
midnight. seas 2 to 3 ft. wave detail: se 3 ft at 8 seconds and
sw 3 ft at 11 seconds. 
.wed and wed night...w winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: s 3 ft at 7 seconds and ne 1 foot at 4 seconds. 
.thu and thu night...w winds 5 to 10 kt. seas around 2 ft. a
chance of showers. 
.fri and fri night...ne winds 5 to 10 kt, becoming se. seas 2 to
3 ft.  

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.

$$