Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 8 pm 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
21.6°C
1.1° 

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 (12 Sep):

  • Evening surf: Evening surf (12 Sep, local time) - 2.5ft (0.8m), 12s period with S swell.

The current surf forecast for Maresias at 12AM is: 0.7m 12s primary swell from a South direction (forecast issued at 08:00pm September 11). An open ocean swell of 0.5m 8s is not directed at the surf break, a second open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (-03) & DateWave HeightWave Period
Morning (12 Sep)--
Afternoon (12 Sep)--
Evening (12 Sep)2.5ft (0.8m)12s

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


Short Range Forecast

Heavy rain (total 31mm), heaviest during Fri night. Warm (max 27°C on Fri night, min 18°C on Mon afternoon). Wind will be generally light.

Fri
11
Saturday
12
Sunday
13
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)
2
1
1
0
1
1
0
0
0
0
0
0
2
2
2
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
S
12
0.8
S
12
0.7
S
12
0.7
S
12
0.6
S
12
0.6
S
11
0.5
S
11
0.5
S
11
0.5
S
11
0.4
S
11
0.8
S
6
1
S
7
1.3
S
7
1.6
S
7
1.6
SSE
8
1.6
SSE
8
1.2
S
8
1.2
S
7
Wave Graph
Metric surfscale
Energy kJ
240
184
136
132
93
85
57
57
57
35
41
91
172
279
308
273
160
150
Wind (km/h)
10
NNE
10
NNE
15
N
15
W
15
NNE
5
N
10
SW
10
SW
15
S
5
SSE
10
SSE
10
SSE
5
ESE
5
SE
5
ESE
5
SSE
15
E
10
E
Wind State
cross-off
off
off
cross
off
off
cross-on
cross-on
on
on
on
on
glassy
glassy
glassy
cross-on
cross
cross
High Tide
2:40AM1.24m
3:10PM1.09m
3:10AM1.23m
3:28PM1.07m
Low Tide
9:01PM0.24m
9:24AM0.03m
9:21PM0.21m
9:48AM0.12m
clear
clear
part cloud
rain showers
part cloud
thunderstorm
thunderstorm
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:53
5:54
 mm
4
1
1
1
1
1
1
2
3
1
1
1
2
1
Temp °C
28
27
26
21
21
25
24
22
20
20
19
19
19
19
20
20
19
19
Feels °C
30
29
27
22
22
28
26
25
21
22
21
21
21
21
23
23
20
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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