fzus51 kbox 201703
cwfbox
expires:202608210600;;057817

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt thu aug 20 2026

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


anz230-210600-
boston harbor-
103 pm edt thu aug 20 2026

.this afternoon...se winds 5 to 10 kt. waves 1 foot or less. 
.tonight...n winds 5 to 10 kt. waves 1 foot or less. showers
likely, mainly in the evening. 
.fri...ne winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.fri night...ne winds 5 to 10 kt. waves 1 foot or less. a chance
of showers. 
.sat...ne winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. showers likely in the morning, then showers in the
afternoon. 
.sat night...ne winds 5 to 10 kt. waves 1 foot or less. showers,
mainly in the evening. 
.sun and sun night...se winds 5 to 10 kt, becoming sw. waves
1 foot or less. a chance of showers. 
.mon and mon night...w winds 5 to 10 kt. 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 201703
cwfbox
expires:202608210600;;057806

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
103 pm edt thu aug 20 2026

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


anz250-210600-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
103 pm edt thu aug 20 2026

.this afternoon...e winds 5 to 10 kt. seas around 2 ft. wave
detail: se 2 ft at 8 seconds and sw 1 foot at 2 seconds. 
.tonight...nw winds 5 to 10 kt, becoming n after midnight. seas
around 2 ft. wave detail: se 2 ft at 8 seconds and sw 1 foot at
2 seconds. a chance of showers.
.fri...ne winds 5 to 10 kt. seas around 2 ft. wave detail: ne
2 ft at 7 seconds and nw 1 foot at 3 seconds. a chance of
showers. 
.fri night...e winds 5 to 10 kt. seas around 2 ft. wave detail: e
2 ft at 7 seconds and sw 2 ft at 16 seconds. a chance of showers
after midnight. 
.sat...e winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: e 3 ft at 7 seconds and n 1 foot at 3 seconds.
showers likely in the morning, then showers in the afternoon. 
.sat night...e winds 5 to 10 kt, becoming n after midnight. seas
2 to 4 ft. wave detail: se 4 ft at 6 seconds. showers likely. 
.sun...s winds 5 to 10 kt. seas 2 to 3 ft. a chance of showers. 
.sun night through mon night...w winds 5 to 10 kt. 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.

$$