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fzus51 kbox 092004
cwfbox
expires:202609100900;;650514

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt wed sep 9 2026

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


anz230-100900-
boston harbor-
404 pm edt wed sep 9 2026

...small craft advisory in effect from 8 pm edt this evening
through thursday evening...

.tonight...s winds 15 to 20 kt. gusts up to 30 kt after midnight.
waves around 2 ft. a chance of showers. a slight chance of tstms
after midnight. 
.thu...w winds 15 to 20 kt with gusts up to 30 kt. waves around
2 ft. a chance of showers in the morning. 
.thu night...w winds 10 to 15 kt. gusts up to 25 kt in the
evening. waves around 2 ft in the evening, then 1 foot or less. 
.fri...nw winds 5 to 10 kt. waves 1 foot or less. 
.fri night...nw winds around 5 kt. waves 1 foot or less. 
.sat and sat night...s winds 5 to 10 kt. waves around 2 ft. 
.sun and sun night...sw winds 5 to 10 kt. waves around 2 ft, then
1 foot or less. a chance of showers. 
.mon and mon night...n winds 5 to 10 kt, becoming se. waves
1 foot or less.  

winds and waves higher in and near tstms.

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 092004
cwfbox
expires:202609100900;;650503

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
404 pm edt wed sep 9 2026

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


anz250-100900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
404 pm edt wed sep 9 2026

...small craft advisory in effect from 8 pm edt this evening
through thursday evening...

.tonight...s winds 15 to 20 kt, becoming sw 20 to 25 kt after
midnight. gusts up to 30 kt. seas 3 to 5 ft. wave detail: s 5 ft
at 5 seconds and e 2 ft at 5 seconds. a chance of showers. a
slight chance of tstms after midnight. 
.thu...sw winds 20 to 25 kt, diminishing to 10 to 15 kt in the
afternoon. gusts up to 30 kt. seas 3 to 5 ft. wave detail: sw
5 ft at 5 seconds and se 2 ft at 9 seconds. a chance of showers
in the morning. 
.thu night...w winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. wave detail: w 2 ft at 4 seconds and se 2 ft at
10 seconds. 
.fri...nw winds 10 to 15 kt with gusts up to 20 kt, becoming w
5 to 10 kt in the afternoon. seas 2 to 3 ft. wave detail: n 2 ft
at 4 seconds and se 1 foot at 10 seconds. 
.fri night...w winds around 5 kt, becoming n after midnight. seas
around 2 ft. wave detail: n 1 foot at 4 seconds and se 1 foot at
10 seconds. 
.sat and sat night...s winds 5 to 10 kt. seas around 2 ft. wave
detail: s 2 ft at 3 seconds and n 1 foot at 4 seconds. 
.sun and sun night...sw winds 10 to 15 kt with gusts up to 20 kt.
seas 2 to 3 ft. a chance of showers. 
.mon and mon night...nw winds 5 to 10 kt, becoming se. seas
around 2 ft.  

winds and seas higher in and near tstms.

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.

$$
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