Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 2 am 31 Jul 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
21.5° C
1.3° 

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 (31 Jul):

  • Morning surf: Morning surf (31 Jul, local time) - 1.5ft (0.4m), 14s period with SSE swell.
  • Afternoon surf: Afternoon surf (31 Jul, local time) - 1.5ft (0.5m), 13s period with S swell.
  • Evening surf: Evening surf (31 Jul, local time) - 2ft (0.6m), 13s period with S swell.

The current surf forecast for Maresias at 1PM is: 0.5m 14s primary swell from a South direction and 0.6m 9s secondary swell from a South direction, 0.7m 5s secondary swell from a Southeast direction (forecast issued at 02:00am July 31). The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (31 Jul)1.5ft (0.4m)14s
Afternoon (31 Jul)1.5ft (0.5m)13s
Evening (31 Jul)2ft (0.6m)13s

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


Short Range Forecast

Mostly dry. Warm (max 30°C on Sun morning, min 16°C on Fri night). Wind will be generally light.

Friday
31
Saturday
1
Sunday
2
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)
1
1
1
1
0
0
2
2
0
1
1
1
0
1
0
1
1
1
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)
0.6
S
10
0.6
S
10
0.5
S
9
0.4
SSE
14
0.4
SSE
14
0.5
S
13
0.6
S
13
0.6
S
13
0.6
S
12
0.8
S
12
0.8
S
12
0.8
S
12
0.8
S
11
0.7
S
11
0.7
S
11
0.6
S
11
0.5
S
11
0.5
S
10
0.4
S
10
0.4
S
10
0.3
S
10
0.3
S
10
0.2
S
10
0.2
S
10
Wave Graph
Metric surfscale
Energy kJ
66
66
40
67
63
87
119
116
105
181
175
169
149
112
112
81
55
51
31
31
17
17
7
8
Wind (km/h)
5
NNW
5
NNE
5
NE
10
ENE
10
E
15
E
15
ENE
15
NE
15
NE
15
NE
15
NE
5
NE
10
SE
10
ENE
15
NE
15
NNE
10
NNE
10
NNE
10
NNE
5
N
5
SE
10
ESE
10
NE
10
N
Wind State
glassy
glassy
glassy
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-off
cross-off
cross-off
cross-off
off
off
off
glassy
cross
cross-off
off
High Tide
3:10AM1.16m
3:56PM1.13m
3:42AM1.19m
4:24PM1.11m
4:16AM1.18m
4:54PM1.07m
Low Tide
10:01AM-0.02m
10:16PM0.29m
10:36AM0.02m
10:48PM0.30m
11:12AM0.09m
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:37
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:38
5:38
5:38
 mm
Temp °C
19
19
17
20
23
23
19
18
17
17
16
22
26
25
20
19
20
21
20
26
30
29
24
22
Feels °C
21
20
18
21
23
23
19
18
17
17
15
22
26
25
20
18
19
20
18
25
29
28
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.


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