fzus51 kbox 040505
cwfbox
expires:202605041800;;980731

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt mon may 4 2026

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


anz230-041800-
boston harbor-
104 am edt mon may 4 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.rest of tonight...w winds around 10 kt. waves around 2 ft. 
.mon...sw winds 10 to 15 kt with gusts up to 30 kt. waves around
2 ft. 
.mon night...sw winds 10 to 15 kt. gusts up to 25 kt in the
evening. waves around 2 ft. 
.tue...s winds 10 to 15 kt with gusts up to 20 kt, increasing to
20 to 25 kt with gusts up to 30 kt in the afternoon. waves around
2 ft. 
.tue night...sw winds 15 to 20 kt with gusts up to 30 kt. waves
around 2 ft. 
.wed and wed night...w winds 15 to 20 kt with gusts up to 30 kt.
waves around 2 ft. a chance of showers in the morning, then
showers. 
.thu and thu night...ne winds 5 to 10 kt, becoming nw 10 to
15 kt. waves 1 foot or less, then around 2 ft. showers likely. 
.fri and fri night...w winds 10 to 15 kt with gusts up 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 040505
cwfbox
expires:202605041800;;980720

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt mon may 4 2026

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


anz250-041800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 am edt mon may 4 2026

...small craft advisory in effect through tuesday morning...

.rest of tonight...w winds 10 to 15 kt with gusts up to 20 kt.
seas 4 to 6 ft. wave detail: e 5 ft at 9 seconds and nw 3 ft at
5 seconds. 
.mon...sw winds 15 to 20 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: e 5 ft at 9 seconds and w 3 ft at 4 seconds. 
.mon night...sw winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. seas 3 to 4 ft. wave detail: s 4 ft at 5 seconds
and e 2 ft at 9 seconds. 
.tue...s winds 15 to 20 kt with gusts up to 25 kt, increasing to
20 to 25 kt with gusts up to 35 kt in the afternoon. seas 3 to
5 ft. wave detail: se 5 ft at 5 seconds and e 1 foot at
9 seconds. 
.tue night...s winds 20 to 25 kt with gusts up to 30 kt. seas
4 to 6 ft. wave detail: s 6 ft at 6 seconds and e 1 foot at
10 seconds. 
.wed...s winds around 20 kt with gusts up to 30 kt. seas 4 to
6 ft. wave detail: se 5 ft at 6 seconds and e 1 foot at
10 seconds. showers likely in the afternoon. 
.wed night...s winds 15 to 20 kt, becoming w after midnight.
gusts up to 30 kt. seas 3 to 5 ft. showers.
.thu and thu night...n winds 5 to 10 kt, becoming nw 10 to 15 kt
with gusts up to 20 kt. seas 2 to 4 ft. showers likely. 
.fri and fri night...w winds 10 to 15 kt with gusts up to 20 kt.
seas 3 to 5 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.

$$