Maresias surf break

Maresias surfForecast / São Paulo / Brazil

information circle48hr Weather and Surf, issued 2 pm Thursday 21 May 2026 -03
Forecast update in hr  min  s Forecast update imminent
Maresias surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Maresias sea temperature is
24.0° C
(Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Maresias today?

The current surf forecast for Maresias at 6PM is: 3.0m 15s primary swell from a South direction (forecast issued at 02:00pm May 21). An open ocean swell of 0.2m 8s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (-03) & DateWave HeightWave Period
Morning (21 May)--
Afternoon (21 May)8ft (2.5m)16s
Evening (21 May)10ft (3.0m)15s

Table - waves today at Maresias. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 58mm), heaviest during Sat afternoon. Warm (max 21°C on Sat morning, min 17°C on Thu night). Wind will be generally light.

Thu
21
Friday
22
Saturday
23
Sun
24
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)
4
4
4
5
5
5
4
5
5
3
3
4
4
4
4
4
1
3
2
3
3
2
1
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
2.5
S
16
2.5
S
16
3
S
15
3
S
15
3
S
14
3
S
14
2.5
S
14
2.5
S
15
2.5
S
15
2.5
S
15
2.5
S
14
2.4
S
14
2.2
S
14
2.1
S
14
2
S
14
1.9
S
14
1.9
S
13
1.7
S
13
1.6
S
13
1.5
S
13
1.4
S
12
1.4
S
12
1.3
S
12
1.2
S
12
Wave Graph
Metric surfscale
Energy kJ
3103
3567
3640
3553
3436
3160
2898
3081
3081
2665
2614
2379
1984
1784
1575
1343
1283
976
852
726
604
566
472
396
Wind (km/h)
10
S
5
SSW
5
S
5
SE
5
E
5
E
5
E
5
ENE
5
ESE
5
SE
10
E
5
E
10
NE
5
NNE
5
NNE
5
WSW
15
WSW
10
W
10
W
5
NW
5
W
5
SW
5
SW
5
S
on
cross-on
on
glassy
glassy
glassy
glassy
glassy
glassy
cross-on
cross
cross-off
cross-off
cross-off
off
glassy
cross-on
cross
cross
cross-off
glassy
cross-on
cross-on
glassy
High Tide
6:25PM0.82m
5:18AM0.87m
7:56PM0.75m
11:13PM0.78m
6:20AM0.83m
11:38PM0.79m
7:54AM0.80m
Low Tide
12:28PM0.22m
1:34AM0.70m
1:45PM0.28m
8:38PM0.75m
2:42AM0.68m
3:01PM0.32m
3:48AM0.63m
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
cloud
cloud
part cloud
part cloud
part cloud
cloud
light rain
heavy rain
mod rain
heavy rain
light rain
rain showers
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:31
6:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:24
5:23
5:23
5:23
1
1
3
21
9
17
3
2
1
1
Temp °C
20
19
18
18
18
17
18
18
19
19
19
19
19
18
18
21
20
19
19
19
19
19
19
20
20
20
19
19
19
18
20
19
20
20
20
20
20
19
19
23
21
20
20
21
21
21
21
23
Swell 1
Height (m)
Direction
Period (s)
2.5
S
16
2.5
S
16
3
S
15
3
S
15
3
S
14
3
S
14
2.5
S
14
2.5
S
15
2.5
S
15
2.5
S
15
2.5
S
14
2.4
S
14
2.2
S
14
2.1
S
14
2
S
14
1.9
S
14
1.9
S
13
1.7
S
13
1.6
S
13
1.5
S
13
1.4
S
12
1.4
S
12
1.3
S
12
1.2
S
12
Energy kJ
3103
3567
3640
3553
3436
3160
2898
3081
3081
2665
2614
2379
1984
1784
1575
1343
1283
976
852
726
604
566
472
396
Swell 2
Height (m)
Direction
Period (s)
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
8
0.2
E
8
0.2
E
8
0.8
ESE
6
0.9
ESE
6
0.9
ESE
6
0.9
ESE
6
0.8
E
6
0.8
E
6
0.7
E
6
Energy kJ
5
5
5
5
5
5
6
6
6
6
6
6
6
5
42
62
72
70
54
54
40
Swell 3
Height (m)
Direction
Period (s)
0.2
E
8
0.5
SSE
7
Energy kJ
5
26
Wind waves
Height (m)
Direction
Period (s)
0.7
E
4
0.8
ENE
4
0.6
ENE
4
0.6
ENE
4
Energy kJ
13
20
14
13
Nearest Offshore or Glassy
Rating
(10 max)
4
4
5
5
5
5
4
5
5
4
4
4
4
4
4
4
3
3
3
3
3
3
3
2
Distance (km)
66
11
10
0
0
0
0
0
0
19
4
0
0
0
0
0
50
8
8
0
0
4
4
0
Best forecast wave conditions in São Paulo
Rating
(10 max)
4
4
5
5
5
5
4
5
5
4
4
4
4
4
4
4
3
4
3
3
3
3
3
2
Best forecast wave conditions in Brazil
Rating
(10 max)
4
4
5
5
5
5
5
5
5
4
4
5
4
4
4
4
4
4
4
4
3
3
3
3
Header Global
Rating
(10 max)
5
5
5
4
5
7
7
7
6
6
6
5
6
7
8
8
7
6
5
5
5
5
6
6
  • 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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