fzus51 kbox 210804
cwfbox
expires:202606212100;;115837

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

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


anz230-212100-
boston harbor-
404 am edt sun jun 21 2026

.today...w winds 5 to 10 kt, becoming e this afternoon. waves
1 foot or less. a slight chance of showers and tstms this
afternoon. 
.tonight...s winds around 5 kt, becoming w after midnight. waves
1 foot or less. 
.mon...s winds around 5 kt, becoming se in the afternoon. waves
1 foot or less. a chance of showers in the afternoon. 
.mon night...se winds 10 to 15 kt. waves around 2 ft. showers. a
chance of tstms in the evening. 
.tue...w winds 5 to 10 kt, becoming ne in the afternoon. waves
1 foot or less. showers likely, mainly in the morning. 
.tue night...nw winds around 5 kt, increasing to 5 to 10 kt after
midnight. waves 1 foot or less. 
.wed through thu...s winds 5 to 10 kt. waves 1 foot or less. 
.thu night...s winds 5 to 10 kt. waves 1 foot or less. a chance
of showers.  

winds and waves higher in and near tstms.

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 210804
cwfbox
expires:202606212100;;115826

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

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


anz250-212100-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
404 am edt sun jun 21 2026

.today...w winds 5 to 10 kt, becoming s this afternoon. seas
around 2 ft. wave detail: se 2 ft at 9 seconds and w 1 foot at
3 seconds. a slight chance of showers this afternoon. 
.tonight...sw winds around 5 kt. seas around 2 ft. wave detail: w
1 foot at 3 seconds and e 1 foot at 5 seconds. 
.mon...sw winds around 5 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: nw 1 foot at 2 seconds and se 1 foot at
7 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 3 ft. wave detail: se 3 ft at 6 seconds and sw 1 foot at
3 seconds. showers with a chance of tstms. 
.tue...sw winds 10 to 15 kt with gusts up to 20 kt, becoming n
5 to 10 kt in the afternoon. seas 2 to 4 ft. wave detail: se 3 ft
at 6 seconds and sw 1 foot at 3 seconds. showers, mainly in the
morning. 
.tue night...sw winds around 5 kt, becoming nw after midnight.
seas 2 to 3 ft. wave detail: se 3 ft at 7 seconds and w 1 foot at
3 seconds. 
.wed through thu night...s winds 5 to 10 kt. seas around 2 ft.  

winds and seas higher in and near tstms.

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.

$$