Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 2 pm 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):

  • Afternoon surf: Afternoon surf (31 Aug, local time) - 4ft (1.2m), 5s 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 8PM is: 0.4m 8s primary swell from a East-southeast direction and 0.5m 6s secondary swell from a South direction (forecast issued at 02:00pm August 31). An open ocean swell of 1.1m 6s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (-03) & DateWave HeightWave Period
Morning (31 Aug)--
Afternoon (31 Aug)4ft (1.2m)5s
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 22mm), heaviest during Tue afternoon. Warm (max 28°C on Tue morning, min 15°C on Wed night). Wind will be generally light.

Mon
31
Tuesday
1
Wednesday
2
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
1
0
1
0
0
0
0
1
0
1
0
0
0
0
0
1
1
1
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)
0.4
SSW
6
1.2
E
5
1.3
E
5
0.4
ESE
8
0.5
S
7
0.6
S
7
0.6
S
7
0.6
SSE
7
0.8
SSE
7
1.1
S
7
1
S
6
0.8
S
6
0.9
SW
4
1.3
SSW
5
1.4
S
6
1.4
S
7
1.5
S
8
1.6
S
8
1.6
S
8
1.6
S
8
Wave Graph
Metric surfscale
Energy kJ
10
62
86
24
25
38
37
41
71
114
84
52
26
88
146
199
256
307
334
358
Wind (km/h)
10
ENE
15
ENE
15
NE
5
NNE
10
WSW
0
ENE
20
WSW
15
W
5
WNW
15
WSW
5
NNW
15
WSW
20
SW
15
WSW
15
SW
10
SW
10
SSW
10
S
5
SSE
5
E
Wind State
cross-off
cross-off
cross-off
off
cross
glassy
cross-on
cross
glassy
cross
cross-off
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross
High Tide
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
part cloud
thunderstorm
part cloud
thunderstorm
part cloud
light rain
light rain
light rain
cloud
light rain
mod rain
light rain
light rain
rain showers
rain showers
rain showers
rain showers
rain showers
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:50
5:51
5:51
 mm
1
1
1
1
1
2
6
1
3
1
1
1
1
1
Temp °C
27
27
23
23
21
21
21
20
28
21
21
20
19
18
18
19
19
19
19
18
Feels °C
29
29
25
27
23
25
22
21
31
22
23
20
18
17
18
19
19
19
20
18
  • 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 

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