Maresias Surf Break

Maresias 48 hour detailed Surf Forecast

Lat Long: 23.81° S 45.54° W

Issued: 8 pm 29 Jun 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
21.5° 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 (30 Jun):

  • Morning surf: Morning surf (30 Jun, local time) - 2ft (0.6m), 12s period with S swell.
  • 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 2AM is: 0.5m 14s primary swell from a South-southeast direction (forecast issued at 08:00pm June 29). An open ocean swell of 0.7m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (30 Jun)2ft (0.6m)12s
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

Mostly dry. Warm (max 28°C on Wed morning, min 19°C on Mon night). Wind will be generally light.

Mon
29
Tuesday
30
Wednesday
1
Thursday
2
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
1
1
1
1
1
1
1
0
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
S
12
0.6
S
12
0.6
S
12
0.5
SSE
14
0.4
SSE
14
0.6
S
12
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
0.6
S
8
0.6
S
9
0.6
S
9
0.6
S
9
0.5
S
9
0.6
S
10
0.6
S
10
0.9
SSW
10
Wave Graph
Metric surfscale
Energy kJ
103
103
99
115
74
96
176
93
61
115
81
81
55
54
49
47
50
54
54
54
39
70
68
145
Wind (km/h)
5
WSW
0
N
5
NNE
5
NE
5
NNE
5
ENE
5
SSE
10
SE
10
NE
10
NNE
10
NNE
10
NNE
10
N
5
NNW
5
SSW
5
SE
5
NE
5
N
10
NNE
10
N
5
WNW
5
WSW
5
SW
15
SSW
Wind State
glassy
glassy
glassy
cross-off
glassy
glassy
on
cross-on
cross-off
cross-off
cross-off
off
off
glassy
glassy
cross-on
cross-off
off
off
off
cross-off
glassy
glassy
on
High Tide
2:20AM0.97m
3:20PM1.08m
2:51AM1.02m
3:48PM1.08m
3:24AM1.06m
Low Tide
9:01PM0.36m
9:03AM0.06m
9:34PM0.36m
9:41AM0.05m
10:07PM0.36m
10:19AM0.05m
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
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>
5:25
5:25
5:25
 mm
Temp °C
19
19
19
19
19
21
24
24
20
20
20
21
21
24
28
27
22
22
23
22
21
24
27
24
Feels °C
21
22
21
21
21
23
26
26
22
21
21
22
21
25
29
29
24
23
24
23
22
26
29
25
Swell 1
Height (m)
Direction
Period (s)
0.7
E
7
0.7
E
7
0.7
E
7
0.7
E
7
0.6
E
7
0.6
E
7
0.7
SSE
13
0.6
E
8
0.6
E
8
0.6
SSE
12
0.5
SSE
12
0.5
E
8
0.6
E
8
0.6
E
8
0.6
E
8
0.7
E
8
0.7
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
Energy kJ
46
48
50
51
38
37
176
40
42
115
81
30
44
45
46
60
57
80
82
82
82
63
61
60
Swell 2
Height (m)
Direction
Period (s)
0.6
S
12
0.6
S
12
0.6
S
12
0.5
SSE
14
0.5
S
11
0.6
S
12
0.6
E
7
0.5
SSE
13
0.4
SSE
12
0.5
E
8
0.5
E
8
0.5
SSE
12
0.5
S
8
0.5
S
8
0.5
S
8
0.5
S
8
0.6
S
8
0.6
S
9
0.6
S
9
0.6
S
9
0.5
S
9
0.6
S
10
0.6
S
10
0.2
S
17
Energy kJ
103
103
99
115
59
96
38
93
61
29
30
81
33
33
31
32
50
54
54
54
39
70
68
23
Swell 3
Height (m)
Direction
Period (s)
0.4
SE
16
0.4
SE
15
0.4
SSE
14
0.5
S
11
0.4
SSE
14
0.4
SSE
14
0.1
S
16
0.4
SSW
7
0.5
SSW
8
0.5
SSW
8
0.5
S
8
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
0.3
S
11
0.2
S
17
0.2
S
17
0.1
SE
10
Energy kJ
64
59
82
59
74
71
5
15
37
34
31
33
55
54
49
47
24
23
23
11
21
22
23
4
Wind waves
Height (m)
Direction
Period (s)
0.3
SW
3
0.3
E
2
0.4
ENE
3
0.4
ENE
3
0.4
E
4
0.4
ENE
4
0.2
WNW
2
0.4
SW
3
0.9
SSW
10
Energy kJ
2
1
3
3
4
5
1
2
145
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
59
62
0
0
0
0
0
0
0
4
0
0
0
0
0
0
0
75
Best forecast wave conditions in São Paulo
Rating
(10 max)
2
2
2
2
1
2
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
2
2
2
2
2
2
2
1
1
2
2
2
1
1
1
2
2
Header Global
Rating
(10 max)
6
5
5
5
5
5
5
5
5
5
5
5
5
5
4
5
4
5
5
5
6
6
6
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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