Maresias Surf Break

Maresias 48 hour detailed Surf Forecast

Lat Long: 23.81° S 45.54° W

Issued: 8 pm 28 Jun 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
21.8° C

Slightly warmer than usual

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 (29 Jun):

  • Morning surf: Morning surf (29 Jun, local time) - 2.5ft (0.7m), 13s period with S swell.
  • Afternoon surf: Afternoon surf (29 Jun, local time) - 2ft (0.6m), 12s period with S swell.
  • Evening surf: Evening surf (29 Jun, local time) - 2ft (0.6m), 12s period with S swell.

The current surf forecast for Maresias at 4AM is: 0.6m 11s primary swell from a South direction (forecast issued at 08:00pm June 28). An open ocean swell of 0.7m 7s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (-03) & DateWave HeightWave Period
Morning (29 Jun)2.5ft (0.7m)13s
Afternoon (29 Jun)2ft (0.6m)12s
Evening (29 Jun)2ft (0.6m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 29°C on Wed morning, min 19°C on Mon afternoon). Wind will be generally light.

Sun
28
Monday
29
Tuesday
30
Wednesday
1
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
Rating
(10 max)
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
1
1
1
1
1
1
1
1
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)
0.6
S
10
0.6
S
10
0.6
S
11
0.6
S
11
0.6
S
11
0.7
S
13
0.6
S
13
0.6
S
12
0.6
S
12
0.6
S
12
0.4
SSE
15
0.5
SSE
14
0.4
SSE
14
0.5
S
12
0.7
SSE
13
0.5
SSE
13
0.5
SSE
12
0.6
SSE
12
0.5
SSE
12
0.5
SSE
12
0.5
SSE
12
0.4
SSE
12
0.4
SSE
11
0.4
SSE
11
Wave Graph
Metric surfscale
Energy kJ
71
71
79
82
84
168
123
106
103
103
84
115
74
67
176
93
89
115
81
81
79
54
48
47
Wind (km/h)
5
NNE
10
NNE
10
N
10
N
10
NNE
10
N
5
SSW
10
SW
10
WSW
5
W
5
WNW
5
NNW
5
NNE
5
NE
5
SE
5
ESE
10
NE
10
NNE
10
NNE
10
N
10
N
5
N
0
S
5
ESE
Wind State
cross-off
cross-off
off
off
off
off
cross-on
cross-on
cross
cross
glassy
glassy
off
cross-off
cross-on
glassy
cross-off
cross-off
off
off
off
off
glassy
cross-on
High Tide
1:49AM0.92m
2:51PM1.07m
2:20AM0.97m
3:20PM1.08m
2:51AM1.02m
Low Tide
8:27PM0.38m
8:25AM0.09m
9:01PM0.36m
9:03AM0.06m
9:34PM0.36m
9:41AM0.05m
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:45
6:45
6:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:24
5:25
5:25
 mm
Temp °C
22
22
21
21
21
24
25
22
19
20
19
19
19
22
25
25
21
21
21
21
21
25
29
28
Feels °C
24
23
21
21
21
24
26
23
20
22
21
21
20
24
26
27
23
22
22
22
21
26
30
29
Swell 1
Height (m)
Direction
Period (s)
0.7
E
6
0.7
E
6
0.7
E
6
0.7
E
7
0.8
E
7
0.9
E
7
0.9
E
7
0.8
E
7
0.7
E
7
0.7
E
7
0.7
E
7
0.6
E
7
0.6
E
7
0.6
E
7
0.7
SSE
13
0.6
E
7
0.6
E
8
0.6
SSE
12
0.7
E
8
0.6
E
8
0.6
E
8
0.7
E
8
0.7
E
8
0.7
E
8
Energy kJ
38
38
40
42
61
83
82
61
46
47
50
38
38
38
176
39
40
115
58
42
42
58
61
60
Swell 2
Height (m)
Direction
Period (s)
0.6
S
10
0.6
S
10
0.6
S
11
0.6
S
11
0.6
S
11
0.7
S
13
0.6
S
13
0.6
S
12
0.6
S
12
0.6
S
12
0.5
S
12
0.5
SSE
14
0.4
SSE
14
0.5
S
12
0.6
E
7
0.5
SSE
13
0.5
SSE
12
0.5
SSW
8
0.5
SSE
12
0.5
S
8
0.5
S
8
0.5
S
8
0.5
S
8
0.5
S
8
Energy kJ
71
71
79
82
84
168
123
106
103
103
70
115
74
67
38
93
89
37
81
35
34
34
33
33
Swell 3
Height (m)
Direction
Period (s)
0.3
SSE
15
0.3
SSE
15
0.4
SSE
14
0.4
SSE
14
0.3
SSE
13
0.1
SE
18
0.2
SSE
17
0.3
SSE
16
0.4
SE
16
0.4
SE
15
0.4
SSE
15
0.5
S
11
0.5
S
11
0.5
S
5
0.5
S
5
0.5
S
5
0.4
SSW
8
0.2
SSE
5
0.5
S
8
0.5
SSE
12
0.5
SSE
12
0.4
SSE
12
0.4
SSE
11
0.4
SSE
11
Energy kJ
47
43
69
67
35
12
27
51
64
59
84
59
59
13
12
11
25
2
33
81
79
54
48
47
Wind waves
Height (m)
Direction
Period (s)
0.9
E
6
0.2
NNW
2
0.2
NNW
3
0.3
SW
2
0.4
WSW
3
0.3
WSW
3
0.3
WSW
3
0.7
E
8
Energy kJ
67
1
1
1
3
2
2
58
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
0
0
0
0
0
0
26
26
8
8
0
0
0
0
19
0
0
0
0
0
0
0
0
4
Best forecast wave conditions in São Paulo
Rating
(10 max)
1
2
1
1
1
2
1
1
1
2
2
2
1
1
1
1
1
2
1
1
1
1
1
1
Best forecast wave conditions in Brazil
Rating
(10 max)
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
1
2
1
Header Global
Rating
(10 max)
6
9
6
6
7
7
5
6
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
  • 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
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