Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 8 am 31 Aug 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
22.4°C
1.9° 

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 Aug):

  • Morning surf: Morning surf (31 Aug, local time) - 1.5ft (0.4m), 6s period with SSW swell.
  • Afternoon surf: Afternoon surf (31 Aug, local time) - 4ft (1.2m), 4s period with E swell.
  • Evening surf: Evening surf (31 Aug, local time) - 1.5ft (0.4m), 8s period with ESE swell.

The current surf forecast for Maresias at 1PM is: 0.4m 6s primary swell from a South-southwest direction and 0.1m 9s secondary swell from a South direction (forecast issued at 08:00am August 31). An open ocean swell of 0.9m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (31 Aug)1.5ft (0.4m)6s
Afternoon (31 Aug)4ft (1.2m)4s
Evening (31 Aug)1.5ft (0.4m)8s

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


Short Range Forecast

Heavy rain (total 26mm), heaviest during Tue afternoon. Warm (max 26°C on Mon morning, min 15°C on Wed night). Wind will be generally light.

Monday
31
Tuesday
1
Wednesday
2
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)
0
0
0
1
0
0
0
0
0
2
2
0
1
0
0
0
0
0
0
0
1
2
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)
0.4
SSW
6
0.4
SSW
6
0.4
SSW
6
1.2
E
4
0.4
S
6
0.4
ESE
8
0.5
S
7
0.6
S
7
1.2
SW
4
1.5
S
6
1.5
S
7
1.1
SSE
7
0.8
SSW
7
0.8
S
6
0.9
SW
4
1.3
SSW
5
1.2
SSW
6
1.4
S
7
1.4
S
7
1.3
S
8
1.3
SSE
8
1.4
SSE
8
Wave Graph
Metric surfscale
Energy kJ
12
12
10
57
12
22
26
39
52
178
204
118
51
54
31
94
108
178
206
191
212
256
Wind (km/h)
5
N
10
NE
10
E
15
ENE
10
NE
10
NE
5
NE
10
W
25
WSW
10
WNW
10
NNW
10
SW
10
NNW
10
W
25
WSW
20
SW
15
SW
15
SW
10
SW
10
SSW
5
S
5
ESE
Wind State
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-on
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
glassy
High Tide
3:55AM1.23m
4:19PM1.07m
4:31AM1.17m
4:47PM0.98m
5:13AM1.07m
5:18PM0.88m
Low Tide
10:44AM0.12m
10:42PM0.24m
11:21AM0.26m
11:07PM0.29m
12:08PM0.42m
rain showers
thunderstorm
clear
thunderstorm
thunderstorm
rain showers
part cloud
part cloud
light rain
light rain
cloud
cloud
light rain
light rain
light rain
rain showers
rain showers
light rain
rain showers
rain showers
light rain
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:13
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:50
5:51
5:51
 mm
2
2
1
2
1
1
1
5
1
3
3
2
1
1
1
1
Temp °C
21
23
26
24
22
22
23
22
20
20
24
22
21
21
19
19
18
18
19
19
18
18
Feels °C
24
26
28
26
24
25
26
25
19
22
26
24
22
22
18
18
18
18
19
18
18
19
  • 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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