Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 2 am 20 Jul 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
20.7° C
0.3° 

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 (20 Jul):

  • Morning surf: Morning surf (20 Jul, local time) - 0.5ft (0.2m), 12s period with S swell.
  • Afternoon surf: Afternoon surf (20 Jul, local time) - 0.5ft (0.2m), 12s period with S swell.
  • Evening surf: Evening surf (20 Jul, local time) - 0.5ft (0.2m), 13s period with S swell.

The current surf forecast for Maresias at 6AM is: 0.2m 13s primary swell from a South direction (forecast issued at 02:00am July 20). An open ocean swell of 1.2m 8s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (-03) & DateWave HeightWave Period
Morning (20 Jul)0.5ft (0.2m)12s
Afternoon (20 Jul)0.5ft (0.2m)12s
Evening (20 Jul)0.5ft (0.2m)13s

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


Short Range Forecast

Mostly dry. Warm (max 33°C on Wed morning, min 20°C on Wed night). Wind will be generally light.

Monday
20
Tuesday
21
Wednesday
22
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
S
13
0.2
S
13
0.2
S
13
0.2
S
12
0.2
S
12
0.2
S
12
0.2
S
12
0.2
S
13
0.2
S
12
0.2
S
12
0.2
S
12
0.2
S
11
0.2
S
11
0.2
S
11
0.2
S
11
0.2
S
11
0.2
S
11
0.2
S
10
0.3
SSW
10
0.3
SSW
10
0.3
SSW
9
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
Wave Graph
Metric surfscale
Energy kJ
31
14
13
11
11
11
12
13
11
11
10
10
9
9
9
9
9
8
20
19
17
28
27
26
Wind (km/h)
10
N
10
N
10
N
10
N
0
NNE
10
E
15
NE
15
NNE
15
NNE
10
N
10
N
10
NNE
5
N
5
NE
15
NNE
15
NNE
15
NNE
15
NNE
15
NNE
15
NNE
10
NNW
0
NNE
15
W
15
WSW
Wind State
off
off
off
off
glassy
cross
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
glassy
cross
cross
High Tide
5:40AM0.99m
6:09PM0.84m
6:27AM0.89m
6:41PM0.80m
7:30AM0.79m
7:25PM0.74m
Low Tide
11:56PM0.44m
12:44PM0.38m
00:40AM0.44m
1:35PM0.48m
1:54AM0.45m
3:01PM0.57m
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:41
6:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:34
5:34
5:35
 mm
Temp °C
22
21
20
24
29
29
23
23
22
21
21
26
31
31
25
25
23
23
23
27
33
33
21
21
Feels °C
20
19
18
23
28
28
21
21
20
19
19
25
30
29
23
23
21
21
21
25
31
33
21
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