fzus51 kbox 181406
cwfbox
expires:202606190300;;959140

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt thu jun 18 2026

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


anz235-190300-
rhode island sound-
1005 am edt thu jun 18 2026

...small craft advisory in effect through friday evening...

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

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.

$$

fzus51 kbox 181406
cwfbox
expires:202606190300;;959143

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt thu jun 18 2026

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


anz236-190300-
narragansett bay-
1005 am edt thu jun 18 2026

...small craft advisory in effect until 7 pm edt this evening...

.this afternoon...s winds 15 to 20 kt, increasing to 20 to 25 kt.
gusts up to 30 kt. waves 3 to 5 ft. patchy fog. a slight chance
of showers and tstms with vsby 1 nm or less. 
.tonight...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. waves 2 to
4 ft. patchy fog in the evening with vsby 1 to 3 nm. 
.fri...w winds 10 to 15 kt with gusts up to 25 kt. waves 2 to
4 ft. 
.fri night...w winds 10 to 15 kt. gusts up to 20 kt in the
evening. waves 2 to 4 ft. 
.sat and sat night...w winds 10 to 15 kt with gusts up to 20 kt.
waves 2 to 3 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 sw. gusts up
to 20 kt. waves 2 to 4 ft. showers likely.  

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 181406
cwfbox
expires:202606190300;;959141

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt thu jun 18 2026

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


anz237-190300-
block island sound-
1005 am edt thu jun 18 2026

...small craft advisory in effect through friday evening...

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

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.

$$

fzus51 kbox 181406
cwfbox
expires:202606190300;;959135

coastal waters forecast for massachusetts and rhode island
national weather service boston/norton ma
1005 am edt thu jun 18 2026

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


anz255-190300-
coastal waters extending out to 25 nm south of marthas vineyard
and nantucket-
1005 am edt thu jun 18 2026

...small craft advisory in effect through friday evening...

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

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.

$$