fzus51 kbox 152004
cwfbox
expires:202608160900;;249879

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt sat aug 15 2026

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


anz230-160900-
boston harbor-
403 pm edt sat aug 15 2026

.tonight...s winds 5 to 10 kt, becoming nw after midnight. 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. waves around 2 ft. a chance of
showers after midnight. 
.mon...s winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. showers.
.mon night...ne winds 5 to 10 kt, becoming n after midnight.
waves 1 foot or less. a chance of showers in the evening. 
.tue and tue night...sw winds 5 to 10 kt. waves 1 foot or less. 
.wed...s 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 152004
cwfbox
expires:202608160900;;249868

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
403 pm edt sat aug 15 2026

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


anz250-160900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
403 pm edt sat aug 15 2026

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

.tonight...s winds around 5 kt, becoming w after midnight. seas
1 foot or less. wave detail: sw 1 foot at 2 seconds and n 1 foot
at 4 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 15 to 20 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. a chance of showers in the morning, then showers in
the afternoon. 
.mon night...se 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. a chance of showers in the
evening. 
.tue and tue night...w 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
around 2 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.

$$