Boca del Rio Surf Break

Lat Long: 18.16° S 70.69° W

Boca del Rio 48 hour detailed Surf Forecast

Issued: 12 pm 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Boca del Rio sea temperature is
18.6° C
1.7° 

Boca del Rio surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Boca del Rio today (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 5.5ft (1.7m), 13s period with WSW swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 6ft (1.9m), 13s period with WSW swell.
  • Evening surf: Evening surf (18 Aug, local time) - 6ft (1.8m), 13s period with SW swell.

The current surf forecast for Boca del Rio at 8PM is: 1.8m 13s primary swell from a Southwest direction and 0.1m 19s secondary swell from a Southwest direction (forecast issued at 12:00pm August 18). The wind direction is predicted to be onshore.

Time (-05) & DateWave HeightWave Period
Morning (18 Aug)5.5ft (1.7m)13s
Afternoon (18 Aug)6ft (1.9m)13s
Evening (18 Aug)6ft (1.8m)13s

Table - waves today at Boca del Rio. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 19°C on Tue morning, min 15°C on Wed night). Wind will be generally light.

Tue
18
Wednesday
19
Thursday
20
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
2
1
2
4
4
2
2
3
2
1
1
2
2
2
3
3
2
1
2
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
WSW
13
1.9
WSW
13
1.9
WSW
13
1.8
SW
13
1.7
SW
13
1.6
SW
13
1.6
SW
13
1.6
SW
13
1.6
SW
12
1.6
SW
12
1.5
SW
12
1.5
SW
10
1.4
SW
10
0.8
SW
15
1.4
SSW
10
1
SW
14
1.3
SSW
9
1.3
SSW
9
0.9
SW
13
1
SW
14
1
SW
14
Wave Graph
Metric surfscale
Energy kJ
932
1162
1144
1044
946
878
878
790
706
736
614
424
392
264
342
355
258
242
299
404
404
Wind (km/h)
10
WSW
15
WSW
10
WSW
5
WSW
5
S
10
SSE
10
SSE
10
SE
10
SSE
15
SSE
15
S
10
SSE
10
SSE
10
SSE
5
ESE
0
ENE
10
S
10
S
10
SSW
5
SSE
5
SE
Wind State
on
on
on
glassy
glassy
cross
cross
cross-off
cross
cross
cross
cross
cross
cross
glassy
glassy
cross
cross-on
cross-on
glassy
glassy
High Tide
11:49AM0.74m
00:47AM0.86m
12:39PM0.62m
1:48AM0.84m
1:44PM0.52m
Low Tide
6:04PM0.14m
7:15AM0.30m
6:45PM0.20m
8:43AM0.33m
7:36PM0.25m
clear
clear
clear
part cloud
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:00
6:00
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:31
5:32
5:32
 mm
Temp °C
18
19
18
18
17
17
17
16
18
18
18
17
16
16
15
15
18
19
18
17
16
Feels °C
18
17
17
19
17
17
16
16
17
16
16
16
15
16
15
16
18
18
17
18
17
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Boca del Rio surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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