fzus51 kbox 172006
cwfbox
expires:202603180900;;862957

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt tue mar 17 2026

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


anz230-180900-
boston harbor-
405 pm edt tue mar 17 2026

...small craft advisory in effect until 6 pm edt this evening...

.tonight...w winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. gusts up to 30 kt. waves around 2 ft. 
.wed...w winds 10 to 15 kt with gusts up to 20 kt, diminishing to
5 to 10 kt in the afternoon. waves around 2 ft in the morning,
then 1 foot or less. 
.wed night...s winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. waves 1 foot or less. 
.thu...s winds 5 to 10 kt. waves 1 foot or less. 
.thu night through fri night...w winds 10 to 15 kt. waves around
2 ft. 
.sat through sun...sw winds 15 to 20 kt. waves 2 to 3 ft. a
chance of rain. 
.sun night...w winds 15 to 20 kt. waves around 2 ft. a chance of
rain and snow.  

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 172006
cwfbox
expires:202603180900;;862946

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
405 pm edt tue mar 17 2026

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


anz250-180900-
coastal waters east of ipswich bay and the stellwagen bank
national marine sanctuary-
405 pm edt tue mar 17 2026

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

.tonight...w winds 20 to 25 kt with gusts up to 30 kt. seas 7 to
10 ft. wave detail: se 8 ft at 11 seconds and w 6 ft at
5 seconds. 
.wed...nw winds 15 to 20 kt with gusts up to 25 kt, becoming w
5 to 10 kt in the afternoon. seas 5 to 7 ft. wave detail: se 6 ft
at 11 seconds and nw 5 ft at 5 seconds. 
.wed night...s winds 5 to 10 kt. seas 3 to 5 ft. wave detail: se
5 ft at 10 seconds and nw 2 ft at 4 seconds. 
.thu...s winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 3 to 4 ft. wave detail: se 4 ft at 10 seconds and
s 2 ft at 3 seconds. 
.thu night and fri...sw winds 10 to 15 kt. seas 2 to 4 ft. wave
detail: se 3 ft at 9 seconds and s 2 ft at 3 seconds. 
.fri night...sw winds 10 to 15 kt. gusts up to 20 kt after
midnight. seas 3 to 5 ft. wave detail: se 3 ft at 9 seconds and
sw 2 ft at 3 seconds. 
.sat through sun...sw winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. a chance of rain. 
.sun night...w winds 15 to 20 kt with gusts up to 25 kt. seas
3 to 5 ft. a chance of rain and snow.  

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.

$$