Rio Mar Surf Break

Lat Long: 8.45° N 79.98° W

Rio Mar 48 hour detailed Surf Forecast

Issued: 6 am 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Rio Mar sea temperature is
29.3° C
1.0° 

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


How big are the waves at Rio Mar today (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 1.5ft (0.5m), 11s period with S swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 1.5ft (0.5m), 11s period with S swell.
  • Evening surf: Evening surf (21 Aug, local time) - 1.5ft (0.5m), 11s period with S swell.

The current surf forecast for Rio Mar at 2PM is: 0.5m 11s primary swell from a South direction and 0.1m 18s secondary swell from a South direction (forecast issued at 06:00am August 21). The wind direction is predicted to be glassy.

Time (EST) & DateWave HeightWave Period
Morning (21 Aug)1.5ft (0.5m)11s
Afternoon (21 Aug)1.5ft (0.5m)11s
Evening (21 Aug)1.5ft (0.5m)11s

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


Short Range Forecast

Moderate rain (total 17mm), heaviest on Sat afternoon. Warm (max 31°C on Fri morning, min 26°C on Fri night). Wind will be generally light.

Friday
21
Saturday
22
Sunday
23
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
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
0
0
1
1
1
0
0
0
0
0
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
S
11
0.5
S
11
0.5
S
11
0.5
S
11
0.5
S
11
0.5
S
11
0.5
S
11
0.5
S
10
0.5
S
10
0.4
S
10
0.4
S
10
0.4
S
10
0.4
S
10
0.4
S
10
0.4
S
10
0.2
SSE
14
0.2
SSE
14
0.2
SSE
14
0.2
SSE
14
0.3
S
9
0.2
S
19
0.2
S
19
0.2
S
19
Wave Graph
Metric surfscale
Energy kJ
64
63
62
61
59
58
55
52
50
31
31
30
30
30
28
20
20
20
19
18
29
28
28
Wind (km/h)
10
NNW
10
NNW
5
N
5
E
5
NNW
15
NNW
10
NNW
10
NW
10
NW
10
NNW
5
N
5
ESE
5
ESE
5
NW
10
NW
10
NNW
5
N
10
N
5
NNW
5
NNW
5
NNE
15
NNW
15
NNW
Wind State
off
off
cross-off
glassy
glassy
cross-off
off
off
off
off
glassy
glassy
glassy
off
off
off
cross-off
cross-off
glassy
glassy
glassy
cross-off
cross-off
High Tide
9:46AM3.40m
10:31PM3.08m
10:51AM3.24m
11:46PM3.02m
12:04PM3.21m
Low Tide
3:25AM1.39m
4:10PM1.32m
4:28AM1.59m
5:22PM1.42m
5:46AM1.66m
6:37PM1.37m
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
cloud
clear
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:11
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:32
6:32
6:31
 mm
1
1
1
2
2
4
2
1
2
2
1
Temp °C
27
27
30
31
31
29
27
27
26
26
30
30
29
28
27
27
27
27
28
29
30
28
26
Feels °C
31
31
34
36
35
33
31
31
29
30
35
35
34
32
31
31
31
31
33
34
34
31
28
  • 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 Rio Mar 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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