fzus51 kbox 042304
cwfbox
expires:202604051200;;842398

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt sat apr 4 2026

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


anz230-051200-
boston harbor-
703 pm edt sat apr 4 2026

...small craft advisory in effect through sunday evening...

.tonight...e winds 10 to 15 kt with gusts up to 20 kt. waves 2 to
3 ft. patchy fog after midnight. a chance of showers after
midnight with vsby 1 nm or less. 
.sun...s winds 5 to 10 kt, becoming sw with gusts up to 20 kt in
the afternoon. waves around 2 ft. patchy fog in the morning.
showers in the afternoon. vsby 1 nm or less in the morning. 
.sun night...w winds 10 to 15 kt with gusts up to 25 kt. waves
around 2 ft. showers likely in the evening. 
.mon...w winds around 15 kt with gusts up to 20 kt. waves around
2 ft. 
.mon night...w winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. waves around 2 ft in the evening, then 1 foot or less. 
.tue...w winds 5 to 10 kt, becoming n 10 to 15 kt with gusts up
to 20 kt in the afternoon. waves 1 foot or less, then around 2 ft
in the afternoon. a chance of showers. a chance of snow showers
in the morning. 
.tue night...nw winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. a chance of rain in the evening. 
.wed through thu night...sw winds 15 to 20 kt. waves around 2 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.

$$

fzus51 kbox 042304
cwfbox
expires:202604051200;;842387

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
703 pm edt sat apr 4 2026

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


anz250-051200-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
703 pm edt sat apr 4 2026

...small craft advisory in effect through sunday evening...

.tonight...e winds 15 to 20 kt with gusts up to 25 kt. seas 3 to
5 ft. wave detail: e 5 ft at 7 seconds. patchy fog after
midnight. a slight chance of showers after midnight with vsby
1 nm or less. 
.sun...s winds 15 to 20 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: e 6 ft at 8 seconds and s 3 ft at 5 seconds.
patchy fog. showers in the afternoon. vsby 1 nm or less,
increasing to 1 to 3 nm in the afternoon. 
.sun night...sw winds 10 to 15 kt, becoming w 15 to 20 kt after
midnight. gusts up to 25 kt. seas 4 to 6 ft, subsiding to 3 to
4 ft after midnight. wave detail: e 5 ft at 8 seconds and sw 3 ft
at 4 seconds, becoming w 3 ft at 4 seconds and e 3 ft at
8 seconds. showers in the evening. 
.mon...w winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 25 kt. seas 2 to 4 ft. wave detail: w 4 ft
at 4 seconds and se 2 ft at 8 seconds. 
.mon night...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: w
2 ft at 4 seconds and se 2 ft at 8 seconds. 
.tue...nw winds around 10 kt, becoming ne with gusts up to 20 kt
in the afternoon. seas 2 to 3 ft. wave detail: ne 3 ft at
8 seconds and nw 2 ft at 3 seconds. a chance of rain and snow
showers. 
.tue night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
2 to 4 ft. a chance of rain in the evening. 
.wed and wed night...n winds 15 to 20 kt, becoming s. seas 3 to
5 ft. 
.thu and thu night...s winds 15 to 20 kt with gusts up to 25 kt.
seas 4 to 6 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.

$$