fzus51 kbox 202005
cwfbox
expires:202604210900;;708244

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

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


anz230-210900-
boston harbor-
405 pm edt mon apr 20 2026

.tonight...n winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. waves 1 foot or less, then around 2 ft after midnight. 
.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 202005
cwfbox
expires:202604210900;;708233

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

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


anz250-210900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 pm edt mon apr 20 2026

.tonight...n winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. seas 2 to 4 ft. wave detail: n
3 ft at 4 seconds and e 2 ft at 8 seconds. a slight chance of
showers this evening. 
.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. 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.

$$