Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 2 pm 10 Sep 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
22.0°C
1.5° 

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 (10 Sep):

  • Afternoon surf: Afternoon surf (10 Sep, local time) - 3.5ft (1.0m), 13s period with S swell.
  • Evening surf: Evening surf (10 Sep, local time) - 2.5ft (0.8m), 16s period with SSE swell.

The current surf forecast for Maresias at 11PM is: 1.2m 15s primary swell from a South direction (forecast issued at 02:00pm September 10). An open ocean swell of 0.8m 8s is not directed at the surf break, a second open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (-03) & DateWave HeightWave Period
Morning (10 Sep)--
Afternoon (10 Sep)3.5ft (1.0m)13s
Evening (10 Sep)2.5ft (0.8m)16s

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


Short Range Forecast

Heavy rain (total 35mm), heaviest during Thu afternoon. Warm (max 28°C on Fri afternoon, min 18°C on Sat night). Wind will be generally light.

Thu
10
Friday
11
Saturday
12
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
2
3
3
3
1
2
2
2
2
1
0
0
1
0
0
0
0
1
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)
1.1
S
12
1
S
13
1
S
13
0.8
SSE
16
1.2
S
15
1.2
S
15
1.1
S
14
1.1
S
13
1
S
13
1
S
13
0.9
S
12
0.8
S
12
0.7
S
12
0.7
S
12
0.6
S
12
0.6
S
11
0.8
SSW
11
0.5
S
11
1
SSW
6
1.4
SSW
8
Wave Graph
Metric surfscale
Energy kJ
374
330
321
337
648
606
482
430
342
321
236
184
136
132
93
87
158
57
72
257
Wind (km/h)
10
SW
5
SSW
10
NW
15
NE
10
NNE
5
NNW
10
WSW
10
NE
15
ENE
15
ENE
15
NE
15
NNE
15
W
10
WSW
5
NNW
5
SSW
15
SSW
15
SSW
10
SW
10
S
Wind State
cross-on
cross-on
cross-off
cross-off
off
glassy
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
glassy
cross-on
on
cross-on
cross-on
on
High Tide
2:36PM1.13m
2:10AM1.20m
2:52PM1.12m
2:40AM1.24m
3:10PM1.09m
Low Tide
8:39PM0.28m
8:56AM-0.03m
9:01PM0.24m
9:24AM0.03m
light rain
light rain
heavy rain
rain showers
cloud
rain showers
light rain
rain showers
thunderstorm
part cloud
clear
clear
part cloud
light rain
rain showers
part cloud
cloud
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:53
5:53
5:53
 mm
1
3
14
1
1
2
2
1
2
1
1
1
1
Temp °C
22
22
20
20
21
21
20
22
27
28
26
26
25
21
21
24
22
19
19
19
Feels °C
25
25
22
21
22
24
22
24
29
31
28
28
26
24
24
27
23
20
20
20
  • 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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