fzus51 kbox 220206
cwfbox
expires:202604221500;;774243

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt tue apr 21 2026

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


anz230-221500-
boston harbor-
1005 pm edt tue apr 21 2026

.overnight...s winds 10 to 15 kt. waves around 2 ft. 
.wed...s winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves around 2 ft. a chance of showers. 
.wed night...s winds 5 to 10 kt. waves around 2 ft in the
evening, then 1 foot or less. patchy fog. a chance of showers in
the evening. 
.thu...w winds 5 to 10 kt, becoming nw 10 to 15 kt in the
afternoon. waves 1 foot or less, then around 2 ft in the
afternoon. 
.thu night...nw 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. 
.fri and fri night...nw winds 5 to 10 kt. waves 1 foot or less. 
.sat through sun night...e 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 220206
cwfbox
expires:202604221500;;774234

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt tue apr 21 2026

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


anz231-221500-
cape cod bay-
1005 pm edt tue apr 21 2026

.overnight...s winds 5 to 10 kt. seas around 2 ft. wave detail:
ne 2 ft at 6 seconds and se 1 foot at 2 seconds. 
.wed...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 2 ft at 4 seconds and ne 1 foot at
4 seconds. a chance of showers.
.wed night...s winds 5 to 10 kt. seas around 2 ft. wave detail:
se 2 ft at 4 seconds and e 1 foot at 7 seconds. patchy fog. a
chance of showers in the evening. 
.thu...w winds 5 to 10 kt, becoming nw in the afternoon. seas
1 foot or less. wave detail: sw 1 foot at 3 seconds and e 1 foot
at 5 seconds. patchy fog in the morning. 
.thu night...nw winds 5 to 10 kt. seas 1 foot or less. wave
detail: n 1 foot at 3 seconds and se 1 foot at 6 seconds. 
.fri and fri night...n winds 5 to 10 kt. seas 1 foot or less.
wave detail: nw 1 foot at 3 seconds and ne 1 foot at 7 seconds. 
.sat through sun night...e winds 5 to 10 kt. seas 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 220206
cwfbox
expires:202604221500;;774232

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 pm edt tue apr 21 2026

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


anz250-221500-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1005 pm edt tue apr 21 2026

.overnight...s winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: s 2 ft at 3 seconds and n 2 ft at
5 seconds. 
.wed...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: sw 3 ft at 4 seconds and ne 1 foot at
5 seconds. a chance of showers in the afternoon. 
.wed night...s winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. seas 2 to 3 ft. wave
detail: sw 3 ft at 4 seconds and e 2 ft at 8 seconds. patchy fog.
a chance of showers after midnight with vsby 1 to 3 nm. 
.thu...w winds 5 to 10 kt, becoming nw in the afternoon. seas
around 2 ft. wave detail: sw 2 ft at 4 seconds and e 2 ft at
8 seconds. 
.thu night...nw winds 5 to 10 kt. seas around 2 ft. wave detail:
n 2 ft at 4 seconds and se 1 foot at 6 seconds. 
.fri and fri night...n winds 5 to 10 kt. seas around 2 ft. wave
detail: n 2 ft at 4 seconds and se 1 foot at 7 seconds. 
.sat through sun night...e winds 10 to 15 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.

$$

fzus51 kgyx 212103
cwfgyx
expires:202604221000;;764511

coastal waters forecast
national weather service gray me
503 pm edt tue apr 21 2026

coastal waters from stonington me to merrimack river ma out to 25 nm


anz154-221000-
coastal waters from cape elizabeth, me to merrimack river, ma out
25 nm-
503 pm edt tue apr 21 2026

.tonight...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 3 ft at 4 seconds. 
.wed...s winds 10 to 15 kt with gusts up to 25 kt. seas 2 to 3 ft.
wave detail: s 3 ft at 4 seconds. scattered showers in the
afternoon. 
.wed night...s winds 10 to 15 kt with gusts up to 20 kt. seas 2 to
3 ft. wave detail: s 3 ft at 5 seconds. scattered showers. 
.thu...w winds 5 to 10 kt, becoming nw in the afternoon. seas around
2 ft. wave detail: s 2 ft at 5 seconds. a chance of showers in the
morning. 
.thu night...nw winds around 10 kt with gusts up to 20 kt. seas
around 2 ft. 
.fri...nw winds 10 to 15 kt with gusts up to 20 kt, becoming ne
around 5 kt in the afternoon. seas around 2 ft. 
.fri night...n winds 5 to 10 kt. seas around 2 ft in the evening,
then 1 foot or less. 
.sat...n winds 10 to 15 kt with gusts up to 20 kt, becoming se
around 5 kt in the afternoon. seas around 2 ft. 
.sat night...sw winds around 5 kt, becoming w after midnight. seas
2 to 3 ft. 
.sun...n winds around 5 kt, becoming e in the afternoon. seas 2 to
3 ft. 
.sun night...se winds around 5 kt, becoming ne after midnight. seas
around 2 ft.  

$$