fzus51 kbox 192005
cwfbox
expires:202604200900;;653670

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sun apr 19 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz230-200900-
boston harbor-
405 pm edt sun apr 19 2026

...small craft advisory in effect until 8 pm edt this evening...

.tonight...nw winds 15 to 20 kt with gusts up to 30 kt, becoming
w 10 to 15 kt with gusts up to 20 kt after midnight. waves around
2 ft. patchy fog this evening. showers this evening with vsby
1 to 3 nm. 
.mon...w winds 5 to 10 kt. waves 1 foot or less. a chance of
showers in the afternoon. 
.mon night...nw winds 5 to 10 kt, becoming n 10 to 15 kt after
midnight. waves 1 foot or less, then around 2 ft after midnight. 
.tue...n winds 10 to 15 kt, becoming e 5 to 10 kt in the
afternoon. waves around 2 ft in the morning, then 1 foot or less.
.tue night and wed...s winds around 10 kt. waves around 2 ft. 
.wed night...s winds 5 to 10 kt, becoming sw after midnight.
waves 1 foot or less. 
.thu through fri night...ne 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 192005
cwfbox
expires:202604200900;;653659

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt sun apr 19 2026

coastal waters from the merrimack river ma to watch hill ri out
to 25 nm


anz250-200900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 pm edt sun apr 19 2026

...small craft advisory in effect until 8 pm edt this evening...

.tonight...nw winds 15 to 20 kt, becoming w 10 to 15 kt after
midnight. gusts up to 30 kt. seas 3 to 5 ft. wave detail: se 4 ft
at 7 seconds and nw 3 ft at 4 seconds. patchy fog this evening.
showers this evening with vsby 1 to 3 nm. 
.mon...w winds 5 to 10 kt, becoming sw in the afternoon. seas
2 to 4 ft. wave detail: se 3 ft at 7 seconds and w 2 ft at
4 seconds. 
.mon night...n winds 5 to 10 kt, increasing to 15 to 20 kt after
midnight. seas 2 to 4 ft. wave detail: ne 4 ft at 8 seconds and
nw 3 ft at 4 seconds. 
.tue...n winds 10 to 15 kt with gusts up to 20 kt, becoming ne
5 to 10 kt in the afternoon. seas 2 to 4 ft. wave detail: n 4 ft
at 5 seconds and se 1 foot at 7 seconds. 
.tue night through wed night...sw winds 10 to 15 kt. seas 2 to
3 ft. wave detail: e 3 ft at 9 seconds and se 3 ft at 16 seconds.
.thu through fri night...ne winds 5 to 10 kt. seas 2 to 3 ft.
wave detail: s 3 ft at 7 seconds and e 3 ft at 9 seconds.  

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.

$$