Maresias Surf Break

Maresias 48 hour detailed Surf Forecast

Lat Long: 23.81° S 45.54° W

Issued: 8 pm 18 Jun 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
22.0° 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 (19 Jun):

  • Evening surf: Evening surf (19 Jun, local time) - 6ft (1.9m), 14s period with S swell.

The current surf forecast for Maresias at 12AM is: 1.9m 14s primary swell from a South direction (forecast issued at 08:00pm June 18). An open ocean swell of 0.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (-03) & DateWave HeightWave Period
Morning (19 Jun)--
Afternoon (19 Jun)--
Evening (19 Jun)6ft (1.9m)14s

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 9mm), mostly falling on Sat night. Warm (max 24°C on Fri afternoon, min 14°C on Thu night). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sunday
21
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)
4
4
4
4
4
4
4
3
3
3
3
2
2
2
0
1
2
1
0
0
1
1
0
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)
1.8
S
14
1.9
S
14
1.9
S
14
1.9
S
14
1.9
S
13
1.9
S
13
1.8
S
14
1.7
S
14
1.6
S
13
1.5
S
13
1.3
S
13
1.2
S
13
1.1
S
12
1
S
12
0.9
S
12
0.8
S
12
0.8
S
12
0.7
S
11
0.7
S
11
0.6
S
11
0.6
S
11
0.6
S
11
0.6
S
10
0.5
S
10
Wave Graph
Metric surfscale
Energy kJ
1158
1352
1313
1294
1256
1275
1190
1063
915
772
563
466
368
290
232
177
171
123
119
86
85
82
77
53
Wind (km/h)
10
ENE
10
NNE
10
NNE
15
NNE
15
NNE
10
NNE
5
ESE
5
ESE
10
NE
15
NNE
10
NNE
5
NNW
10
N
5
WNW
10
SSW
5
SSW
0
SW
5
NE
10
SW
5
E
5
ESE
5
SSW
10
SW
10
SSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross
cross-off
cross-off
off
cross-off
off
glassy
cross-on
cross-on
glassy
cross-off
cross-on
cross
glassy
glassy
cross-on
cross-on
High Tide
5:22PM0.94m
4:33AM1.00m
5:58PM0.87m
5:17AM0.98m
6:36PM0.81m
6:07AM0.93m
Low Tide
11:53PM0.59m
12:11PM0.16m
00:29AM0.60m
1:02PM0.25m
1:15AM0.59m
1:58PM0.34m
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
mod rain
rain showers
clear
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:43
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:22
5:22
5:22
 mm
6
3
Temp °C
17
15
15
14
15
19
23
24
20
19
19
19
19
23
23
22
19
19
19
19
19
20
21
20
Feels °C
17
14
14
12
14
18
23
24
19
18
18
19
18
24
23
23
21
21
21
21
21
22
22
22
Swell 1
Height (m)
Direction
Period (s)
1.8
S
14
1.9
S
14
1.9
S
14
1.9
S
14
1.9
S
13
1.9
S
13
1.8
S
14
1.7
S
14
1.6
S
13
1.5
S
13
1.3
S
13
1.2
S
13
1.1
S
12
1
S
12
0.9
ESE
7
0.8
S
12
0.8
S
12
0.7
S
11
0.7
SW
4
0.7
E
10
0.7
E
10
0.7
E
10
0.7
E
10
0.7
E
10
Energy kJ
1158
1352
1313
1294
1256
1275
1190
1063
915
772
563
466
368
290
84
177
171
123
19
98
96
96
94
92
Swell 2
Height (m)
Direction
Period (s)
0.4
ESE
9
0.3
ESE
8
0.4
ENE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.4
E
9
0.2
ESE
10
0.4
ESE
10
0.9
E
6
0.8
E
6
0.8
ESE
6
0.9
ESE
7
0.9
S
12
0.8
ESE
7
0.8
ESE
7
0.7
E
7
0.7
S
11
0.6
S
11
0.6
S
11
0.6
S
11
0.6
S
10
0.5
S
10
Energy kJ
25
14
24
14
14
14
14
23
10
33
50
43
51
77
232
63
62
45
119
86
85
82
77
53
Swell 3
Height (m)
Direction
Period (s)
0.4
E
8
0.2
E
8
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
0.3
ESE
10
0.4
ESE
9
0.4
ESE
9
0.3
ESE
10
0.4
ESE
9
0.6
E
7
0.5
SSW
4
0.4
SSW
4
0.3
SSW
4
0.3
S
4
0.4
SE
9
Energy kJ
22
5
33
32
31
18
29
29
20
29
33
10
5
3
2
22
Wind waves
Height (m)
Direction
Period (s)
0.5
NE
3
0.7
NE
4
1
E
4
0.9
E
6
1
E
6
1
E
6
1
E
6
1
E
6
0.6
WSW
3
0.6
SW
4
0.8
SW
4
0.9
SW
5
Energy kJ
5
15
38
50
64
61
61
62
7
12
20
35
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
4
4
4
3
3
3
3
2
2
2
2
1
2
1
1
1
1
1
1
1
Distance (km)
0
0
0
0
0
0
0
11
0
0
0
0
0
0
26
26
0
0
13
4
0
0
26
25
Best forecast wave conditions in São Paulo
Rating
(10 max)
4
4
4
4
4
4
4
3
3
3
3
3
2
2
2
1
2
2
1
1
1
1
1
1
Best forecast wave conditions in Brazil
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
1
2
2
2
2
2
2
1
1
Header Global
Rating
(10 max)
5
5
6
6
6
6
4
4
4
4
5
5
4
6
5
5
8
9
9
9
8
8
7
7
  • 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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