Maresias Surf Break

Maresias 48 hour detailed Surf Forecast

Lat Long: 23.81° S 45.54° W

Issued: 2 pm 04 Jul 2026 (local time)

Forecast update in  hr  min

Today's Maresias sea temperature is
21.8° C

1.0°C warmer than 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 (04 Jul):

  • 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 7PM is: 2.1m 12s primary swell from a South direction (forecast issued at 02:00pm July 04). An open ocean swell of 0.5m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (04 Jul)--
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

Some drizzle, heaviest during Sat afternoon. Warm (max 22°C on Mon morning, min 16°C on Sat afternoon). Wind will be generally light.

Sat
4
Sunday
5
Monday
6
Tue
7
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)
2
3
3
3
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
1
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)
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
11
1.8
S
11
1.7
S
11
1.7
S
11
1.6
S
11
1.5
S
11
1.5
S
11
1.5
S
11
1.4
S
11
0.9
SSE
18
0.9
SSE
18
0.8
S
17
1.3
SSE
10
1.2
SSE
10
1.2
SSE
10
Wave Graph
Metric surfscale
Energy kJ
723
1442
1311
1442
1376
1269
1111
1092
969
920
769
673
663
577
498
505
524
466
522
510
351
314
281
275
Wind (km/h)
10
S
10
SSW
10
SSW
10
SSW
5
SW
5
SW
0
SSW
5
SSW
5
S
5
SSE
5
SE
5
ENE
10
NE
5
ENE
5
NNE
5
NE
5
SE
5
ESE
10
NE
10
NE
10
NNE
5
NW
10
WNW
10
WSW
Wind State
on
cross-on
cross-on
cross-on
glassy
glassy
glassy
cross-on
glassy
glassy
glassy
cross-off
cross-off
glassy
glassy
glassy
cross-on
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross
High Tide
5:27PM1.02m
5:17AM1.06m
6:09PM0.98m
6:03AM1.01m
6:56PM0.92m
6:59AM0.94m
Low Tide
11:42AM0.12m
00:04AM0.42m
12:30PM0.18m
00:57AM0.44m
1:28PM0.25m
2:01AM0.46m
light rain
light rain
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
<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
5:28
 mm
1
1
Temp °C
17
17
16
16
16
16
16
17
17
17
17
17
17
17
16
19
22
21
18
18
18
18
17
20
Feels °C
17
17
16
16
17
17
17
18
18
18
18
18
17
18
17
20
23
22
19
19
19
19
18
21
Swell 1
Height (m)
Direction
Period (s)
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
11
1.8
S
11
1.7
S
11
1.7
S
11
1.6
S
11
1.5
S
11
1.5
S
11
1.5
S
11
1.4
S
11
1.4
SSE
11
1.3
SSE
10
1.3
SSE
10
1.3
SSE
10
1.2
SSE
10
1.2
SSE
10
Energy kJ
723
1442
1311
1442
1376
1269
1111
1092
969
920
769
673
663
577
498
505
524
457
460
385
326
314
281
275
Swell 2
Height (m)
Direction
Period (s)
1.1
S
13
0.5
E
8
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
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
0.9
SSE
18
0.9
SSE
18
0.8
S
17
0.7
S
16
0.7
S
16
0.6
S
16
Energy kJ
411
35
38
39
25
25
25
25
24
24
13
13
13
91
231
416
502
466
522
510
351
254
251
181
Swell 3
Height (m)
Direction
Period (s)
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
0.3
E
8
0.2
E
8
0.2
E
8
0.3
ENE
3
0.3
ENE
4
0.2
ENE
4
Energy kJ
34
54
59
11
53
13
12
12
12
12
12
5
5
2
2
1
Wind waves
Height (m)
Direction
Period (s)
0.4
E
3
0.5
E
3
0.4
ENE
3
0.4
ENE
3
0.4
NE
4
Energy kJ
3
6
4
3
3
Nearest Offshore or Glassy
Rating
(10 max)
3
3
4
3
4
4
4
3
3
3
3
3
3
3
3
3
4
3
3
3
3
3
3
2
Distance (km)
66
26
25
26
0
0
0
10
0
0
0
0
0
0
0
0
21
0
0
0
0
0
0
26
Best forecast wave conditions in São Paulo
Rating
(10 max)
3
3
4
3
4
4
4
3
3
3
3
3
3
3
3
3
4
3
3
3
3
3
3
2
Best forecast wave conditions in Brazil
Rating
(10 max)
3
3
4
3
4
4
4
3
3
3
3
3
3
4
3
4
4
3
4
4
4
3
3
3
Header Global
Rating
(10 max)
5
4
5
5
9
9
9
8
7
6
5
5
5
5
5
5
5
8
8
8
7
7
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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