fzus51 kbox 120502
cwfbox
expires:202604121800;;224542

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
102 am edt sun apr 12 2026

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


anz230-121800-
boston harbor-
102 am edt sun apr 12 2026

...small craft advisory in effect from late tonight through
monday evening...

.rest of tonight...nw winds 5 to 10 kt. waves 1 foot or less. 
.sun...nw winds 5 to 10 kt, becoming se 10 to 15 kt in the
afternoon. waves 1 foot or less, then around 2 ft in the
afternoon. 
.sun night...s winds 10 to 15 kt with gusts up to 25 kt. waves
around 2 ft. scattered showers. 
.mon...sw winds around 15 kt with gusts up to 30 kt. waves around
2 ft. scattered showers in the afternoon. 
.mon night...sw winds 10 to 15 kt with gusts up to 20 kt. waves
around 2 ft. scattered showers in the evening. 
.tue and tue night...sw winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.wed...sw winds 5 to 10 kt. waves around 2 ft. 
.wed night through thu night...sw winds 10 to 15 kt. waves around
2 ft. 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 120502
cwfbox
expires:202604121800;;224531

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
102 am edt sun apr 12 2026

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


anz250-121800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
102 am edt sun apr 12 2026

...small craft advisory in effect from this evening through late
monday night...

.rest of tonight...nw winds 10 to 15 kt with gusts up to 20 kt.
seas 4 to 5 ft. 
.sun...nw winds 5 to 10 kt with gusts up to 20 kt, becoming s in
the afternoon. seas 3 to 4 ft. 
.sun night...s winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. gusts up to 30 kt. seas 3 to 4 ft. scattered showers
after midnight. 
.mon...sw winds 20 to 25 kt with gusts up to 35 kt. seas 4 to
6 ft. scattered showers in the afternoon. 
.mon night...sw winds 20 to 25 kt, diminishing to 10 to 15 kt
after midnight. gusts up to 30 kt. seas 4 to 6 ft. scattered
showers in the evening. 
.tue and tue night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 4 ft. 
.wed...sw winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. 
.wed night through thu night...s winds 10 to 15 kt with gusts up
to 20 kt. seas 2 to 3 ft. 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.

$$