Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 8 pm 11 Aug 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
22.1° C
2.0° 

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


How big are the waves at Maresias today (12 Aug):

  • Morning surf: Morning surf (12 Aug, local time) - 6.5ft (2.0m), 12s period with S swell.
  • Afternoon surf: Afternoon surf (12 Aug, local time) - 6ft (1.8m), 12s period with S swell.
  • Evening surf: Evening surf (12 Aug, local time) - 6ft (1.8m), 12s period with S swell.

The current surf forecast for Maresias at 2AM is: 1.9m 12s primary swell from a South direction and 1.2m 13s secondary swell from a South direction (forecast issued at 08:00pm August 11). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (-03) & DateWave HeightWave Period
Morning (12 Aug)6.5ft (2.0m)12s
Afternoon (12 Aug)6ft (1.8m)12s
Evening (12 Aug)6ft (1.8m)12s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Thu morning, min 18°C on Tue night). Wind will be generally light.

Tue
11
Wednesday
12
Thursday
13
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
4
4
4
4
4
4
4
2
3
3
3
4
4
4
2
4
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.2
S
13
2.1
S
12
2
S
12
1.9
S
12
1.9
S
12
2
S
12
1.9
S
12
1.8
S
12
1.8
S
12
1.8
S
12
1.8
S
12
1.8
S
12
1.8
S
13
1.8
S
13
1.8
S
15
1.9
S
15
2
S
15
2
S
14
Wave Graph
Metric surfscale
Energy kJ
1568
1363
1179
1062
1062
1194
1048
942
942
957
973
1005
1054
1103
1450
1589
1709
1640
Wind (km/h)
10
ENE
10
ENE
10
ENE
5
NE
5
NE
10
NE
10
ENE
15
E
15
NE
10
NE
10
NNE
5
NW
5
NW
5
NE
10
SSW
5
WSW
10
W
10
W
Wind State
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
cross
cross-off
cross-off
cross-off
glassy
glassy
cross-off
on
glassy
cross
cross
High Tide
1:59AM1.03m
3:11PM1.15m
2:28AM1.12m
3:31PM1.12m
Low Tide
8:49PM0.36m
8:49AM-0.08m
9:16PM0.36m
9:24AM-0.08m
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:44
 mm
Temp °C
18
18
18
18
18
18
22
22
18
18
19
19
19
26
27
23
19
19
Feels °C
19
19
19
19
20
19
23
22
18
18
20
21
20
27
28
26
21
20
  • 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 Maresias 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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