fzus51 kbox 210505
cwfbox
expires:202606211800;;106986

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt sun jun 21 2026

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


anz230-211800-
boston harbor-
105 am edt sun jun 21 2026

.rest of tonight...w winds 5 to 10 kt. waves 1 foot or less. 
.sun...w winds 5 to 10 kt, becoming e in the afternoon. waves
1 foot or less. 
.sun night...s winds around 5 kt, becoming w after midnight.
waves 1 foot or less. 
.mon...w winds around 5 kt, becoming s in the afternoon. waves
1 foot or less, then around 2 ft in the afternoon. a chance of
showers in the afternoon. 
.mon night...se winds 10 to 15 kt. waves 2 to 3 ft. showers.
.tue...n winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. waves around 2 ft in the morning, then 1 foot or less.
showers in the morning. a chance of showers in the afternoon. 
.tue night...nw winds around 5 kt. waves 1 foot or less. 
.wed through thu...s winds 5 to 10 kt. waves around 2 ft. 
.thu night...s 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 210505
cwfbox
expires:202606211800;;106975

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
105 am edt sun jun 21 2026

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


anz250-211800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
105 am edt sun jun 21 2026

.rest of tonight...w winds 5 to 10 kt. seas around 2 ft. wave
detail: nw 2 ft at 4 seconds and se 1 foot at 9 seconds. 
.sun...w winds 5 to 10 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: se 2 ft at 10 seconds and w 1 foot at
3 seconds. 
.sun night...sw winds around 5 kt. seas around 2 ft. wave detail:
w 1 foot at 2 seconds and e 1 foot at 3 seconds. 
.mon...w winds around 5 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: ne 1 foot at 2 seconds and nw 1 foot at
2 seconds. a chance of showers in the afternoon. 
.mon night...se winds 10 to 15 kt with gusts up to 25 kt. seas
2 to 4 ft. wave detail: se 3 ft at 4 seconds and sw 1 foot at
3 seconds. showers.
.tue...s winds 10 to 15 kt, becoming n in the afternoon. gusts up
to 25 kt. seas 2 to 4 ft. wave detail: s 3 ft at 6 seconds.
showers likely in the morning. a chance of showers in the
afternoon. 
.tue night...nw winds around 5 kt. seas 2 to 3 ft. 
.wed through thu night...s 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.

$$