Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 8 am 17 Jul 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
20.4° C
0.1° 

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 (17 Jul):

  • Morning surf: Morning surf (17 Jul, local time) - 2.5ft (0.8m), 10s period with SE swell.
  • Afternoon surf: Afternoon surf (17 Jul, local time) - 2.5ft (0.7m), 10s period with SE swell.
  • Evening surf: Evening surf (17 Jul, local time) - 2ft (0.6m), 10s period with SE swell.

The current surf forecast for Maresias at 11AM is: 0.8m 10s primary swell from a Southeast direction (forecast issued at 08:00am July 17). An open ocean swell of 1.1m 8s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (-03) & DateWave HeightWave Period
Morning (17 Jul)2.5ft (0.8m)10s
Afternoon (17 Jul)2.5ft (0.7m)10s
Evening (17 Jul)2ft (0.6m)10s

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


Short Range Forecast

Mostly dry. Warm (max 29°C on Sun afternoon, min 18°C on Fri night). Wind will be generally light.

Friday
17
Saturday
18
Sunday
19
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
0
1
1
1
1
1
1
1
0
1
1
1
1
1
0
1
0
0
0
Swell
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
10
0.8
SE
10
0.7
SE
10
0.7
SE
10
0.6
SE
10
0.6
SE
10
0.6
SE
10
0.6
SE
10
0.5
SE
10
0.4
SE
10
0.5
SE
10
0.5
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.3
S
16
0.3
S
16
0.2
S
16
0.3
S
15
0.3
S
15
0.2
S
14
0.2
S
13
Wave Graph
Metric surfscale
Energy kJ
147
147
102
102
84
84
67
64
53
35
47
47
35
25
25
46
46
20
38
38
16
14
Wind (km/h)
10
N
10
N
0
ESE
5
E
15
NE
15
NNE
10
N
10
N
15
N
10
N
0
N
5
E
10
NE
15
NNE
10
NNE
10
N
10
N
10
N
0
N
10
E
15
NE
15
NNE
Wind State
off
off
glassy
cross
cross-off
cross-off
off
off
off
off
glassy
cross
cross-off
cross-off
off
off
off
off
glassy
cross
cross-off
cross-off
High Tide
3:47AM1.11m
4:51PM0.99m
4:22AM1.11m
5:15PM0.93m
5:00AM1.07m
5:41PM0.89m
Low Tide
11:00AM0.05m
11:05PM0.46m
11:34AM0.14m
11:28PM0.45m
12:08PM0.26m
clear
clear
clear
clear
clear
clear
clear
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>
6:43
6:43
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:31
5:32
5:32
 mm
Temp °C
16
21
26
27
21
20
19
18
18
22
27
28
22
21
20
20
19
23
28
29
23
23
Feels °C
14
20
25
26
19
18
17
16
15
21
27
27
21
19
18
18
17
22
28
28
22
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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