Maresias Surf Break

Lat Long: 23.81° S 45.54° W

Maresias 48 hour detailed Surf Forecast

Issued: 8 am 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
21.3° 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 (19 Aug):

  • Morning surf: Morning surf (19 Aug, local time) - 0.5ft (0.1m), 13s period with SE swell.
  • Afternoon surf: Afternoon surf (19 Aug, local time) - 0.5ft (0.1m), 13s period with SE swell.
  • Evening surf: Evening surf (19 Aug, local time) - 0.5ft (0.1m), 13s period with SE swell.

The current surf forecast for Maresias at 4PM is: 0.1m 13s primary swell from a Southeast direction and 0.1m 10s secondary swell from a South direction (forecast issued at 08:00am August 19). An open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (-03) & DateWave HeightWave Period
Morning (19 Aug)0.5ft (0.1m)13s
Afternoon (19 Aug)0.5ft (0.1m)13s
Evening (19 Aug)0.5ft (0.1m)13s

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


Short Range Forecast

Some drizzle, heaviest during Fri night. Warm (max 32°C on Wed morning, min 17°C on Fri night). Wind will be generally light.

Wednesday
19
Thursday
20
Friday
21
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
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
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)
0.2
S
10
0.1
SE
13
0.1
SE
14
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.4
SW
4
0.4
SW
4
0.2
S
12
0.3
S
11
0.3
S
11
0.4
S
10
0.4
SSW
10
0.5
S
10
0.5
S
9
0.5
S
9
1.1
SSW
4
1.5
SSW
6
1.6
SSW
7
1.7
SSW
8
Wave Graph
Metric surfscale
Energy kJ
7
6
7
7
7
7
7
7
6
6
11
22
21
35
33
47
43
40
40
160
261
318
Wind (km/h)
10
NNE
5
NNW
5
SSE
5
SSE
5
W
5
NW
5
W
10
W
5
WNW
5
SW
5
S
10
ESE
10
NE
15
NE
15
NNE
10
N
10
N
15
SW
15
SW
20
SW
15
SW
10
SW
Wind State
off
off
on
glassy
glassy
glassy
cross
cross
glassy
cross-on
on
cross
cross-off
cross-off
cross-off
off
off
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
5:49AM0.90m
5:37PM0.84m
6:38AM0.78m
6:05PM0.76m
12:42PM0.74m
6:53PM0.67m
Low Tide
11:47AM0.52m
00:09AM0.39m
11:11AM0.63m
2:30AM0.44m
4:39PM0.65m
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:24
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:46
5:46
 mm
Temp °C
24
29
32
29
24
22
21
19
19
22
26
26
22
24
25
24
24
24
21
19
18
18
Feels °C
24
29
32
30
25
24
22
21
21
23
28
27
23
23
23
22
22
23
21
18
17
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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