fzus51 kbox 160504
cwfbox
expires:202608161800;;269364

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

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


anz230-161800-
boston harbor-
103 am edt sun aug 16 2026

.rest of tonight...nw winds around 5 kt. waves 1 foot or less. 
.sun...n winds around 5 kt, becoming e in the afternoon. waves
1 foot or less, then around 2 ft in the afternoon. 
.sun night...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 10 to 15 kt, becoming se in the afternoon. gusts
up to 20 kt. waves around 2 ft. patchy fog. showers likely. 
.mon night...n winds 5 to 10 kt. waves 1 foot or less. patchy fog
in the evening. a chance of showers in the evening. 
.tue and tue night...sw winds 5 to 10 kt. waves 1 foot or less. 
.wed...sw winds 5 to 10 kt. waves 1 foot or less.
.wed night and thu...sw winds 5 to 10 kt. waves 1 foot or less. a
chance of showers. 
.thu night...nw winds 5 to 10 kt. 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 160504
cwfbox
expires:202608161800;;269353

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

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


anz250-161800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 am edt sun aug 16 2026

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

.rest of tonight...nw winds around 5 kt. seas 1 foot or less.
wave detail: w 1 foot at 2 seconds and n 1 foot at 3 seconds. 
.sun...ne winds around 5 kt, becoming se 10 to 15 kt with gusts
up to 20 kt in the afternoon. seas 1 foot or less, then around
2 ft in the afternoon. wave detail: n 1 foot at 3 seconds and se
1 foot at 10 seconds, becoming s 1 foot at 2 seconds and n 1 foot
at 3 seconds.
.sun night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: s 2 ft at 4 seconds and e 1 foot at
3 seconds. 
.mon...s winds 10 to 15 kt with gusts up to 25 kt. seas 3 to
4 ft. wave detail: se 3 ft at 4 seconds and se 1 foot at
10 seconds. patchy fog. a chance of showers in the morning, then
showers likely in the afternoon with vsby 1 to 3 nm. 
.mon night...e winds 5 to 10 kt with gusts up to 20 kt, becoming
n after midnight. seas 2 to 4 ft. wave detail: se 3 ft at
5 seconds and se 1 foot at 10 seconds. patchy fog in the evening.
a chance of showers in the evening with vsby 1 to 3 nm. 
.tue and tue night...sw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 7 seconds and nw 1 foot at 5 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...sw winds 5 to 10 kt, becoming nw. 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.

$$