Rio Mar Surf Break

Lat Long: 8.45° N 79.98° W

Rio Mar 48 hour detailed Surf Forecast

Issued: 6 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Rio Mar sea temperature is
29.6°C
1.5° 

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 (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 1ft (0.3m), 13s period with SSE swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 1ft (0.3m), 13s period with SSE swell.
  • Evening surf: Evening surf (18 Sep, local time) - 0.5ft (0.2m), 13s period with SSE swell.

The current surf forecast for Rio Mar at 10AM is: 0.3m 13s primary swell from a South-southeast direction and 0.2m 9s secondary swell from a South direction (forecast issued at 06:00am September 18). The wind direction is predicted to be offshore.

Time (EST) & DateWave HeightWave Period
Morning (18 Sep)1ft (0.3m)13s
Afternoon (18 Sep)1ft (0.3m)13s
Evening (18 Sep)0.5ft (0.2m)13s

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


Short Range Forecast

Heavy rain (total 45mm), heaviest during Sun afternoon. Warm (max 30°C on Fri morning, min 24°C on Sun night). Wind will be generally light.

Friday
18
Saturday
19
Sunday
20
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
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)
0.3
SSE
14
0.3
SSE
13
0.3
SSE
13
0.3
SSE
13
0.3
SSE
13
0.3
SSE
13
0.2
SSE
13
0.2
SSE
13
0.2
SSE
13
0.2
SSE
13
0.2
SSE
13
0.2
SSE
13
0.2
SSE
13
0.2
S
21
0.2
S
21
0.2
S
21
0.2
S
21
0.2
SSE
20
0.2
SSE
20
0.2
SSE
19
0.2
SSE
19
0.2
SSE
19
0.2
SSE
19
Wave Graph
Metric surfscale
Energy kJ
36
35
34
34
34
34
17
17
17
17
17
16
16
36
36
35
34
38
37
37
37
37
36
Wind (km/h)
10
NW
10
NW
10
NW
5
N
5
N
0
W
10
NW
10
NNW
10
NNW
5
NW
5
NNW
5
SE
5
SE
0
SSE
5
W
10
WNW
5
NNW
0
N
5
SSE
10
SE
5
SE
0
NE
15
W
Wind State
off
off
off
glassy
glassy
glassy
off
off
off
off
glassy
on
glassy
glassy
cross-off
off
glassy
glassy
glassy
on
glassy
glassy
cross-off
High Tide
8:08AM3.58m
8:43PM3.27m
8:59AM3.32m
9:46PM3.07m
10:06AM3.14m
Low Tide
1:55AM1.16m
2:26PM1.11m
2:42AM1.43m
3:22PM1.35m
3:45AM1.64m
4:35PM1.49m
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:17
6:16
6:16
 mm
1
5
6
2
3
5
3
2
1
2
1
7
3
Temp °C
26
27
30
30
30
29
27
27
27
27
29
29
29
28
27
26
27
27
28
28
28
27
26
Feels °C
29
31
34
35
35
34
31
30
31
31
33
33
34
33
31
30
32
32
33
32
33
32
30
  • 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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