Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 8 pm 12 Jul 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
20.6° C
0.0° 

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 (13 Jul):

  • Morning surf: Morning surf (13 Jul, local time) - 7ft (2.1m), 9s period with S swell.
  • Afternoon surf: Afternoon surf (13 Jul, local time) - 6ft (1.9m), 9s period with S swell.
  • Evening surf: Evening surf (13 Jul, local time) - 7ft (2.1m), 9s period with S swell.

The current surf forecast for Maresias at 3AM is: 1.7m 8s primary swell from a South direction and 0.6m 12s secondary swell from a Southeast direction (forecast issued at 08:00pm July 12). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (13 Jul)7ft (2.1m)9s
Afternoon (13 Jul)6ft (1.9m)9s
Evening (13 Jul)7ft (2.1m)9s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Sun night. Warm (max 21°C on Wed morning, min 14°C on Tue night). Wind will be generally light.

Sun
12
Monday
13
Tuesday
14
Wednesday
15
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
Rating
(10 max)
0
1
2
2
3
2
2
1
2
2
2
2
1
3
3
2
3
3
3
3
3
3
2
2
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)
0.8
SE
12
1.8
S
7
1.7
S
8
1.7
S
8
2
S
9
2.1
S
9
2.1
S
9
1.9
S
9
2.2
S
9
2.1
S
9
1.5
S
8
1.7
S
9
1.6
S
9
1.6
S
10
1.8
SSE
10
1.8
SSE
10
1.8
SSE
10
1.8
SE
10
1.8
SE
10
1.8
SE
11
1.8
SE
11
1.6
SE
11
1.4
SE
10
1.4
SE
10
Wave Graph
Metric surfscale
Energy kJ
172
352
373
392
621
707
715
586
800
710
301
449
399
530
666
717
666
689
685
745
749
584
437
437
Wind (km/h)
15
SW
15
SW
10
W
10
WSW
10
SW
15
SSW
10
SW
15
SW
15
SW
10
SW
10
WSW
10
W
5
W
5
W
5
SSW
5
SSE
5
E
10
NNE
10
NNE
10
NNE
10
NNE
10
NE
10
E
10
E
Wind State
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
glassy
glassy
on
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
1:35AM0.87m
2:56PM1.17m
2:08AM0.94m
3:30PM1.16m
2:40AM1.01m
Low Tide
8:32PM0.35m
8:19AM0.02m
9:13PM0.37m
9:03AM-0.04m
9:48PM0.41m
9:44AM-0.05m
light rain
light rain
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
light rain
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:43
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:30
5:30
5:31
 mm
2
1
1
1
1
1
1
1
1
1
Temp °C
18
17
17
16
16
17
17
17
16
16
15
15
15
16
18
19
16
15
15
14
14
18
21
21
Feels °C
18
17
17
16
15
16
16
16
14
15
14
14
15
16
18
19
17
15
14
13
13
17
20
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 

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