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fzus51 kbox 180504
cwfbox
expires:202606181800;;936343

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu jun 18 2026

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


anz235-181800-
rhode island sound-
104 am edt thu jun 18 2026

...small craft advisory in effect from 11 am edt this morning
through friday evening...

.rest of tonight...s winds around 10 kt. seas 2 to 3 ft. wave
detail: se 3 ft at 7 seconds. 
.thu...s winds 15 to 20 kt with gusts up to 25 kt, increasing to
20 to 25 kt with gusts up to 35 kt in the afternoon. seas 3 to
5 ft, building to 5 to 7 ft in the afternoon. wave detail: sw
5 ft at 7 seconds and se 5 ft at 9 seconds, becoming sw 7 ft at
7 seconds and se 2 ft at 10 seconds. patchy fog in the afternoon.
a chance of showers in the afternoon with vsby 1 nm or less. 
.thu night...sw winds 15 to 20 kt with gusts up to 30 kt,
becoming w 10 to 15 kt with gusts up to 20 kt after midnight.
seas 5 to 7 ft. wave detail: sw 7 ft at 7 seconds and se 3 ft at
8 seconds. patchy fog in the evening with vsby 1 to 3 nm. 
.fri...sw winds 15 to 20 kt with gusts up to 25 kt. seas 4 to
6 ft. wave detail: sw 6 ft at 7 seconds and se 2 ft at 8 seconds.
.fri night...w winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. wave detail: s 6 ft at 9 seconds and w 3 ft at
7 seconds. 
.sat and sat night...w winds 15 to 20 kt with gusts up to 25 kt.
seas 3 to 5 ft. wave detail: s 5 ft at 7 seconds. 
.sun...w winds 15 to 20 kt. seas 2 to 3 ft. 
.sun night...sw winds 10 to 15 kt with gusts up to 20 kt. seas
2 to 3 ft. a chance of showers. 
.mon...s winds 15 to 20 kt. seas 4 to 6 ft. showers likely. 
.mon night...nw winds 15 to 20 kt with gusts up to 25 kt. seas
4 to 6 ft. showers likely.  

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 180504
cwfbox
expires:202606181800;;936346

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
104 am edt thu jun 18 2026

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


anz236-181800-
narragansett bay-
104 am edt thu jun 18 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.rest of tonight...s winds 5 to 10 kt. waves around 2 ft. 
.thu...s winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. gusts up to 30 kt. waves 2 to 3 ft, building to 3 to
5 ft in the afternoon. patchy fog in the afternoon. a chance of
showers in the afternoon with vsby 1 to 3 nm. 
.thu night...sw winds 10 to 15 kt with gusts up to 30 kt,
becoming w 5 to 10 kt after midnight. waves 3 to 5 ft. patchy fog
in the evening with vsby 1 to 3 nm. 
.fri...w winds 10 to 15 kt, becoming sw 15 to 20 kt in the
afternoon. gusts up to 25 kt. waves 2 to 4 ft. 
.fri night through sat night...w winds 15 to 20 kt with gusts up
to 25 kt. waves 2 to 4 ft. 
.sun...w winds 10 to 15 kt with gusts up to 20 kt. waves around
2 ft. 
.sun night...sw winds 5 to 10 kt. waves around 2 ft. a chance of
showers. 
.mon and mon night...s winds 10 to 15 kt, becoming nw. gusts up
to 20 kt. waves 2 to 4 ft. showers likely.  

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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