Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 2 am 12 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) - 6ft (1.9m), 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 8AM is: 1.9m 12s primary swell from a South direction and 1.4m 12s secondary swell from a South-southwest direction (forecast issued at 02:00am August 12). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (-03) & DateWave HeightWave Period
Morning (12 Aug)6ft (1.9m)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 26°C on Thu morning, min 18°C on Wed morning). Wind will be generally light.

Wednesday
12
Thursday
13
Friday
14
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
4
4
4
4
4
2
3
3
3
4
4
4
2
4
4
2
3
3
4
3
2
4
4
4
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)
2
S
12
1.9
S
12
1.9
S
12
1.9
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
1.9
S
15
1.9
S
15
2
S
15
2
S
14
1.9
S
14
1.9
S
14
1.8
S
13
1.7
S
13
1.6
S
13
1.7
S
13
1.8
S
14
1.9
S
14
Wave Graph
Metric surfscale
Energy kJ
1179
1062
1062
1048
1048
942
942
957
973
1005
1054
1103
1632
1589
1709
1640
1403
1343
1155
1016
888
1001
1190
1342
Wind (km/h)
10
ENE
5
NE
5
NE
10
NE
10
ENE
15
E
15
NE
15
NE
10
NNE
5
N
5
NNW
5
NE
15
SSW
0
SSW
5
SW
15
WSW
10
W
10
W
5
WNW
5
SW
5
SSW
5
SSW
5
SSE
5
NE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
glassy
glassy
glassy
on
glassy
glassy
cross-on
cross
cross
cross-off
cross-on
cross-on
glassy
glassy
cross-off
High Tide
3:11PM1.15m
2:28AM1.12m
3:31PM1.12m
2:59AM1.18m
3:50PM1.08m
Low Tide
8:49AM-0.08m
9:16PM0.36m
9:24AM-0.08m
9:40PM0.35m
9:56AM-0.03m
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:30
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:44
5:44
 mm
Temp °C
18
18
18
18
21
22
19
19
19
19
19
25
26
25
20
19
20
19
18
20
21
21
20
19
Feels °C
19
19
19
19
22
23
20
20
20
21
20
26
26
28
23
20
22
21
20
22
23
24
23
21
  • 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.


Nearest locationNearest