fzus51 kbox 171403
cwfbox
expires:202509180300;;136832

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt wed sep 17 2025

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


anz230-180300-
boston harbor-
1003 am edt wed sep 17 2025

.this afternoon...e winds 5 to 10 kt. waves 1 foot or less.
.tonight...se winds 5 to 10 kt, becoming ne after midnight. waves
1 foot or less. a chance of showers. patchy fog after midnight. 
.thu...n winds around 5 kt, becoming e in the afternoon. waves
1 foot or less. a chance of showers in the morning. 
.thu night...s winds 5 to 10 kt, becoming w after midnight. waves
1 foot or less. 
.fri and fri night...n winds 10 to 15 kt with gusts up to 20 kt.
waves around 2 ft. 
.sat through sun night...s 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 171403
cwfbox
expires:202509180300;;136821

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1003 am edt wed sep 17 2025

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


anz250-180300-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
1003 am edt wed sep 17 2025

.this afternoon...e winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 8 seconds. 
.tonight...se winds 5 to 10 kt. seas around 2 ft. wave detail: se
2 ft at 8 seconds. a chance of showers after midnight. 
.thu...ne winds 5 to 10 kt, becoming e in the afternoon. seas
2 to 3 ft. wave detail: se 3 ft at 7 seconds. a chance of showers
in the morning. 
.thu night...sw winds 5 to 10 kt, becoming w after midnight. seas
2 to 3 ft. wave detail: se 3 ft at 8 seconds and sw 2 ft at
3 seconds. 
.fri and fri night...n winds 15 to 20 kt with gusts up to 25 kt.
seas 2 to 4 ft. wave detail: ne 4 ft at 7 seconds and w 2 ft at
3 seconds. 
.sat through sun night...s winds 15 to 20 kt with gusts up to
25 kt. seas 2 to 4 ft. wave detail: n 4 ft at 6 seconds and s
3 ft at 4 seconds.  

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.

$$