Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 8 pm 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
21.6°C
1.2° 

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 (26 Aug):

  • Morning surf: Morning surf (26 Aug, local time) - 4.5ft (1.4m), 16s period with SSE swell.
  • Afternoon surf: Afternoon surf (26 Aug, local time) - 7ft (2.2m), 15s period with SSE swell.
  • Evening surf: Evening surf (26 Aug, local time) - 7ft (2.2m), 15s period with SSE swell.

The current surf forecast for Maresias at 4AM is: 1.7m 12s primary swell from a South direction and 0.9m 16s secondary swell from a South-southeast direction, 0.7m 5s secondary swell from a East direction (forecast issued at 08:00pm August 25). The wind direction is predicted to be glassy and the swell rating is 4.

Time (-03) & DateWave HeightWave Period
Morning (26 Aug)4.5ft (1.4m)16s
Afternoon (26 Aug)7ft (2.2m)15s
Evening (26 Aug)7ft (2.2m)15s

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


Short Range Forecast

Mostly dry. Warm (max 32°C on Fri morning, min 19°C on Tue night). Wind will be generally light.

Tue
25
Wednesday
26
Thursday
27
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
4
3
4
4
4
4
4
4
4
2
3
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
S
13
1.8
S
13
1.8
S
13
1.7
S
12
1.7
S
12
1.4
SSE
16
2.1
SSE
16
2.2
SSE
15
2.2
SSE
15
2.2
SSE
15
2.2
SSE
15
2.1
SSE
15
2.1
SSE
15
1.9
SSE
14
1.8
SSE
14
1.7
SSE
14
1.6
SSE
13
1.4
SSE
13
Wave Graph
Metric surfscale
Energy kJ
1094
1077
1060
888
860
962
2002
2001
1994
1994
2021
1898
1847
1484
1259
1095
849
632
Wind (km/h)
5
ENE
5
NNE
5
NE
5
NNE
5
NNE
5
ENE
5
S
0
ESE
10
NE
10
ENE
15
NE
10
NE
10
NE
10
ENE
15
SE
15
ENE
20
NE
20
NE
Wind State
glassy
glassy
glassy
glassy
glassy
glassy
on
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-off
cross-off
cross-off
High Tide
1:34AM1.02m
2:25PM1.13m
1:58AM1.12m
2:44PM1.16m
Low Tide
7:51PM0.32m
7:57AM0.01m
8:20PM0.27m
8:31AM-0.05m
8:49PM0.23m
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:49
5:49
 mm
Temp °C
19
19
19
19
19
21
23
21
20
20
20
20
20
24
27
25
21
21
Feels °C
21
21
21
21
21
24
24
24
22
21
21
21
21
25
27
25
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.


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