fzus51 kbox 200505
cwfbox
expires:202606201800;;051352

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt sat jun 20 2026

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


anz230-201800-
boston harbor-
104 am edt sat jun 20 2026

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

.rest of tonight...w winds 15 to 20 kt with gusts up to 25 kt.
waves around 2 ft. 
.sat...w winds 15 to 20 kt with gusts up to 25 kt. waves around
2 ft. 
.sat night...w winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. waves around 2 ft in
the evening, then 1 foot or less. 
.sun...w winds 5 to 10 kt, becoming s in the afternoon. waves
1 foot or less. a chance of showers in the afternoon. 
.sun night...sw winds around 5 kt. waves 1 foot or less. a chance
of showers in the evening. 
.mon and mon night...s winds 15 to 20 kt. waves 2 to 3 ft. a
chance of showers in the morning, then showers. 
.tue...w winds 10 to 15 kt. waves around 2 ft. showers likely. 
.tue night through wed night...s 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 200505
cwfbox
expires:202606201800;;051341

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt sat jun 20 2026

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


anz250-201800-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
104 am edt sat jun 20 2026

...small craft advisory in effect through late tonight...

.rest of tonight...w winds 15 to 20 kt with gusts up to 30 kt.
seas 3 to 4 ft. wave detail: w 3 ft at 4 seconds and se 2 ft at
8 seconds. 
.sat...w winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 30 kt. seas 2 to 4 ft. wave detail: w 3 ft
at 4 seconds and se 2 ft at 8 seconds. 
.sat night...w winds 5 to 10 kt. gusts up to 20 kt in the
evening. seas around 2 ft. wave detail: nw 2 ft at 4 seconds and
ne 2 ft at 9 seconds. 
.sun...w winds 5 to 10 kt, becoming s in the afternoon. seas
around 2 ft. wave detail: w 1 foot at 3 seconds and ne 1 foot at
6 seconds. 
.sun night...sw winds around 5 kt. seas around 2 ft. wave detail:
w 1 foot at 2 seconds and ne 1 foot at 5 seconds. 
.mon...sw winds around 5 kt, becoming s 10 to 15 kt with gusts up
to 20 kt in the afternoon. seas 2 to 3 ft. wave detail: se 2 ft
at 7 seconds and nw 1 foot at 2 seconds. showers likely in the
afternoon. 
.mon night...s winds 15 to 20 kt with gusts up to 30 kt. seas
3 to 5 ft. showers.
.tue...w winds 10 to 15 kt with gusts up to 25 kt. seas 3 to
5 ft. showers likely. 
.tue night through wed 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.

$$