Maresias Surf Break

Maresias 48 hour detailed Surf Forecast

Lat Long: 23.81° S 45.54° W

Issued: 8 pm 03 Jul 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
21.7° 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 (04 Jul):

  • Morning surf: Morning surf (04 Jul, local time) - 6ft (1.8m), 10s period with S swell.
  • Afternoon surf: Afternoon surf (04 Jul, local time) - 7ft (2.1m), 13s period with S swell.
  • Evening surf: Evening surf (04 Jul, local time) - 7ft (2.1m), 13s period with S swell.

The current surf forecast for Maresias at 2AM is: 1.7m 10s primary swell from a South direction and 0.9m 14s secondary swell from a South direction (forecast issued at 08:00pm July 03). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (04 Jul)6ft (1.8m)10s
Afternoon (04 Jul)7ft (2.1m)13s
Evening (04 Jul)7ft (2.1m)13s

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 7mm), mostly falling on Sat morning. Warm (max 22°C on Mon morning, min 17°C on Sat afternoon). Wind will be generally light.

Fri
3
Saturday
4
Sunday
5
Monday
6
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)
0
2
2
2
2
3
3
3
3
3
3
3
4
4
3
2
3
3
3
3
3
3
2
2
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
16
1.4
SSW
10
1.7
S
10
1.7
S
10
1.8
S
10
1.8
S
10
1.8
S
11
2.1
S
13
2.1
S
12
2.1
S
13
2.1
S
13
2.1
S
12
2
S
12
2
S
12
1.9
S
12
1.9
S
12
1.8
S
11
1.7
S
11
1.7
S
11
1.6
S
11
1.5
S
10
1.5
S
10
1.4
S
11
1.4
S
11
Wave Graph
Metric surfscale
Energy kJ
190
363
573
608
709
703
716
1442
1311
1442
1376
1266
1129
1111
1002
969
799
688
676
577
479
479
502
466
Wind (km/h)
10
SSW
10
S
10
SSE
10
SSE
10
SSE
10
S
10
S
10
S
10
S
10
SSW
5
SSW
5
SSW
5
SSW
0
SSE
5
S
10
S
5
SSE
5
E
5
NE
5
ENE
5
NE
5
NE
5
ESE
5
ESE
Wind State
on
on
on
cross-on
cross-on
on
on
on
on
on
on
on
glassy
glassy
on
on
glassy
glassy
cross-off
glassy
glassy
cross-off
cross-on
cross
High Tide
4:51PM1.05m
4:36AM1.09m
5:27PM1.02m
5:17AM1.06m
6:09PM0.98m
6:03AM1.01m
Low Tide
11:20PM0.39m
11:42AM0.12m
00:04AM0.42m
12:30PM0.18m
00:57AM0.44m
1:28PM0.25m
cloud
light rain
light rain
cloud
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
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>
5:27
5:28
5:28
 mm
1
1
1
2
1
1
Temp °C
19
19
19
19
19
18
18
17
17
17
17
17
17
17
18
17
17
17
17
17
17
19
22
22
Feels °C
20
21
21
21
20
19
19
17
18
18
18
18
18
19
19
17
18
18
18
18
18
20
23
24
Swell 1
Height (m)
Direction
Period (s)
0.6
S
16
1.4
SSW
10
1.7
S
10
1.7
S
10
1.8
S
10
1.8
S
10
1.8
S
11
2.1
S
13
2.1
S
12
2.1
S
13
2.1
S
13
2.1
S
12
2
S
12
2
S
12
1.9
S
12
1.9
S
12
1.8
S
11
1.7
S
11
1.7
S
11
1.6
S
11
1.5
S
10
1.5
S
10
1.4
S
11
1.4
S
11
Energy kJ
190
363
573
608
709
703
716
1442
1311
1442
1376
1266
1129
1111
1002
969
799
688
676
577
479
479
441
441
Swell 2
Height (m)
Direction
Period (s)
0.5
E
8
0.7
S
16
0.7
S
15
0.9
S
14
1
S
14
1
S
13
1.1
S
13
0.5
E
8
0.5
E
9
0.5
E
9
0.5
E
9
0.4
E
9
0.4
E
9
0.4
E
9
0.4
E
9
0.4
E
9
0.4
E
9
0.3
E
9
0.3
E
8
0.3
SSE
22
0.5
S
21
0.7
SSE
20
0.8
SSE
19
0.8
SSE
19
Energy kJ
35
251
212
333
383
347
411
35
37
39
39
25
25
24
24
24
24
13
13
91
231
416
502
466
Swell 3
Height (m)
Direction
Period (s)
0.3
S
12
0.5
E
9
0.5
E
8
0.5
E
8
0.5
E
8
0.5
E
8
0.5
E
8
0.6
E
9
0.6
E
9
0.1
S
23
0.2
SSE
23
0.3
E
8
0.3
E
8
0.3
E
8
0.3
E
8
0.3
E
8
Energy kJ
26
36
35
35
34
34
34
54
57
11
53
12
12
12
12
12
Wind waves
Height (m)
Direction
Period (s)
0.9
SSW
9
0.4
E
3
Energy kJ
149
3
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
2
3
3
3
3
4
3
4
4
4
4
2
3
3
3
3
3
3
3
2
3
Distance (km)
26
19
19
19
19
19
19
66
25
26
10
11
0
0
66
66
0
0
0
0
0
0
19
4
Best forecast wave conditions in São Paulo
Rating
(10 max)
1
1
2
3
3
3
3
3
4
3
4
4
4
4
3
3
3
3
3
3
3
3
3
3
Best forecast wave conditions in Brazil
Rating
(10 max)
3
4
4
4
4
4
3
3
4
3
4
4
4
4
3
4
3
3
3
3
3
4
4
3
Header Global
Rating
(10 max)
7
8
5
5
5
5
5
4
5
5
9
9
9
8
7
5
7
6
5
6
5
5
9
8
  • 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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