Maresias Surf Break

Maresias 48 hour detailed Surf Forecast

Lat Long: 23.81° S 45.54° W

Issued: 2 pm 30 Jun 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
21.4° C

Normal for this time of year

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 (30 Jun):

  • Afternoon surf: Afternoon surf (30 Jun, local time) - 1.5ft (0.5m), 13s period with SSE swell.
  • Evening surf: Evening surf (30 Jun, local time) - 2ft (0.6m), 12s period with SSE swell.

The current surf forecast for Maresias at 8PM is: 0.6m 12s primary swell from a South-southeast direction (forecast issued at 02:00pm June 30). An open ocean swell of 0.5m 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.

Time (-03) & DateWave HeightWave Period
Morning (30 Jun)--
Afternoon (30 Jun)1.5ft (0.5m)13s
Evening (30 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

Light rain (total 8mm), mostly falling on Thu night. Warm (max 29°C on Thu afternoon, min 15°C on Fri morning). Wind will be generally light.

Tue
30
Wednesday
1
Thursday
2
Fri
3
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
12 AM
3 AM
6 AM
9 AM
Rating
(10 max)
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SSE
13
0.5
SSE
13
0.4
SSE
12
0.6
SSE
12
0.5
SSE
12
0.5
SSE
12
0.4
SSE
12
0.4
SSE
12
0.4
SSE
11
0.4
SSE
11
0.5
S
8
0.5
S
8
0.6
S
9
0.6
S
9
0.6
S
9
0.6
S
10
0.6
S
10
0.6
S
10
0.6
S
9
0.6
S
9
0.6
S
9
1
SSW
4
1.4
SSW
6
2.1
SSW
8
Wave Graph
Metric surfscale
Energy kJ
176
93
61
115
81
81
55
54
49
47
35
35
54
54
61
71
70
68
61
59
59
34
110
560
Wind (km/h)
5
SSE
10
ESE
10
NE
10
NNE
10
NNE
10
N
10
N
5
NNW
5
SSW
5
SSE
5
NE
5
NNE
10
NNE
10
NNE
10
N
5
WNW
5
WSW
5
N
5
NNE
15
SW
20
SW
20
SW
20
SSW
20
SSW
Wind State
on
cross-on
cross-off
cross-off
off
off
off
glassy
glassy
glassy
cross-off
off
off
off
off
glassy
glassy
glassy
cross-off
cross-on
cross-on
cross-on
on
cross-on
High Tide
3:20PM1.08m
2:51AM1.02m
3:48PM1.08m
3:24AM1.06m
4:18PM1.07m
3:58AM1.09m
Low Tide
9:03AM0.06m
9:34PM0.36m
9:41AM0.05m
10:07PM0.36m
10:19AM0.05m
10:42PM0.37m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
light rain
light rain
light rain
light rain
<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>
5:25
5:25
5:25
5:27
 mm
1
1
2
2
Temp °C
24
24
21
21
21
21
21
25
28
26
22
22
22
22
22
25
28
29
25
20
20
19
18
16
Feels °C
26
26
22
22
21
21
21
26
29
27
23
23
22
22
23
27
29
30
27
20
20
19
17
14
Swell 1
Height (m)
Direction
Period (s)
0.7
SSE
13
0.6
E
8
0.5
E
8
0.6
SSE
12
0.5
SSE
12
0.5
E
8
0.5
E
8
0.6
E
8
0.6
E
8
0.7
E
8
0.8
E
8
0.8
E
8
0.8
E
8
0.8
E
8
0.8
E
8
0.7
E
8
0.7
E
8
0.7
E
8
0.7
E
8
0.7
E
8
0.6
E
8
0.6
E
8
0.6
E
8
0.6
E
8
Energy kJ
176
40
29
115
81
30
31
46
46
60
74
80
82
82
82
63
61
60
60
61
46
46
46
46
Swell 2
Height (m)
Direction
Period (s)
0.6
E
7
0.5
SSE
13
0.4
SSE
12
0.5
E
8
0.5
S
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
0.5
S
8
0.6
S
9
0.6
S
9
0.6
S
9
0.6
S
10
0.6
S
10
0.6
S
10
0.6
S
9
0.6
S
9
0.6
S
9
0.2
S
15
0.3
SSE
19
0.4
SSE
18
Energy kJ
38
93
61
30
33
81
33
33
31
32
35
35
54
54
61
71
70
68
61
59
59
18
69
108
Swell 3
Height (m)
Direction
Period (s)
0.1
S
16
0.4
SSW
7
0.5
SSW
8
0.5
SSW
8
0.2
S
18
0.5
S
8
0.4
SSE
12
0.4
SSE
12
0.4
SSE
11
0.4
SSE
11
0.3
SSE
11
0.3
SSE
11
0.3
SSE
11
0.2
SSE
11
0.2
SSE
11
0.2
S
17
0.2
S
17
0.2
S
17
0.2
S
17
0.2
S
16
0.2
S
16
0.1
S
20
0.2
S
14
0.1
E
12
Energy kJ
5
15
37
34
26
33
55
54
49
47
24
23
23
11
11
22
23
23
22
21
20
8
16
3
Wind waves
Height (m)
Direction
Period (s)
0.4
ENE
3
0.5
E
3
0.7
E
8
0.5
ENE
4
0.3
S
2
0.5
SSW
3
1
SSW
4
1.4
SSW
6
2.1
SSW
8
Energy kJ
2
5
60
8
1
6
34
110
560
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
3
4
Distance (km)
50
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
26
58
58
453
448
Best forecast wave conditions in São Paulo
Rating
(10 max)
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in Brazil
Rating
(10 max)
2
2
2
2
2
2
2
1
1
1
1
2
2
2
1
1
2
2
2
1
1
4
3
4
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
5
4
5
5
9
7
7
6
6
5
5
7
9
9
9
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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