fzus51 kbox 210206
cwfbox
expires:202604211500;;720398

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt mon apr 20 2026

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


anz230-211500-
boston harbor-
1005 pm edt mon apr 20 2026

.overnight...n winds 10 to 15 kt. waves 1 foot or less, then
around 2 ft. 
.tue...n winds 5 to 10 kt, becoming e in the afternoon. waves
1 foot or less. 
.tue night...s winds 10 to 15 kt. waves around 2 ft in the
evening, then 1 foot or less. 
.wed...s winds around 10 kt. waves around 2 ft. 
.wed night...s winds 5 to 10 kt. waves 1 foot or less. 
.thu and thu night...nw winds 5 to 10 kt. waves 1 foot or less. 
.fri through sat...ne winds 5 to 10 kt. waves 1 foot or less. 
.sat night...se 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 210206
cwfbox
expires:202604211500;;720387

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt mon apr 20 2026

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


anz250-211500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1005 pm edt mon apr 20 2026

.overnight...n winds 10 to 15 kt. gusts up to 20 kt. seas 2 to
4 ft. wave detail: n 3 ft at 4 seconds and e 2 ft at 8 seconds. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt, becoming e
5 to 10 kt in the afternoon. seas 2 to 4 ft. wave detail: n 3 ft
at 5 seconds and e 2 ft at 8 seconds. 
.tue night...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: e 2 ft at 6 seconds and nw 1 foot at
3 seconds. 
.wed...s winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and ne 1 foot
at 5 seconds. 
.wed night...s winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. seas 2 to 3 ft. wave detail: sw 2 ft at 4 seconds and e
2 ft at 4 seconds. 
.thu and thu night...nw winds 5 to 10 kt. seas around 2 ft. wave
detail: sw 2 ft at 4 seconds and e 2 ft at 8 seconds. 
.fri through sat 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.

$$