Maresias surf break

Maresias surfForecast / São Paulo / Brazil

information circle48hr Weather and Surf, issued 2 pm Wednesday 20 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
24.1° C
(Which is 1.3°C warmer than normal for this time of year)

How big are the waves at Maresias today?

The current surf forecast for Maresias at 9PM is: 1.6m 13s primary swell from a South direction and 0.4m 6s secondary swell from a Southeast direction (forecast issued at 02:00pm May 20). The wind direction is predicted to be glassy and the swell rating is 3.

Time (-03) & DateWave HeightWave Period
Morning (20 May)--
Afternoon (20 May)6ft (1.9m)14s
Evening (20 May)5ft (1.6m)13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 18mm), heaviest on Sat morning. Warm (max 22°C on Fri morning, min 17°C on Thu night). Wind will be generally light.

Wed
20
Thursday
21
Friday
22
Sat
23
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
2
3
3
3
3
3
2
4
4
4
5
5
4
4
5
3
3
4
4
4
4
3
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)
2.1
S
14
1.9
S
14
1.7
S
13
1.6
S
13
1.7
S
13
1.8
S
15
2
S
15
2.2
S
16
2.5
S
16
2.5
S
16
3
S
15
3
S
15
3
S
14
2.5
S
14
2.5
S
14
2.5
S
15
2.5
S
15
2.5
S
15
2.4
S
15
2.5
SSE
14
2.1
S
14
2
S
14
1.9
S
14
1.8
S
14
Wave Graph
Metric surfscale
Energy kJ
1772
1387
1018
875
1021
1371
1759
2329
3103
3567
3640
3601
3269
2939
2939
3121
2887
2701
2445
2478
1809
1620
1443
1214
Wind (km/h)
10
SW
10
SW
10
SW
5
SW
5
SW
5
SSW
5
S
10
S
5
SSE
5
S
5
SE
5
ESE
5
E
5
ENE
5
ENE
5
NE
5
ESE
5
ESE
10
NE
10
NE
10
NNE
5
N
10
WSW
15
WSW
cross-on
cross-on
cross-on
glassy
cross-on
on
on
on
on
on
cross-on
glassy
glassy
glassy
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
off
cross
cross-on
High Tide
5:29PM0.92m
4:32AM0.90m
6:25PM0.82m
5:18AM0.87m
7:56PM0.75m
11:13PM0.78m
6:20AM0.83m
Low Tide
11:22AM0.15m
00:31AM0.66m
12:28PM0.22m
1:34AM0.70m
1:45PM0.28m
8:38PM0.75m
2:42AM0.68m
part cloud
cloud
cloud
part cloud
rain showers
light rain
rain showers
light rain
light rain
cloud
light rain
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
rain showers
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:31
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:24
5:24
5:23
5:23
1
1
1
1
1
1
2
8
Temp °C
21
21
20
20
20
19
19
19
19
18
18
18
17
18
18
18
22
21
19
19
19
19
19
20
22
22
22
22
22
21
20
20
20
19
19
19
18
19
19
19
23
22
20
19
20
20
20
21
Swell 1
Height (m)
Direction
Period (s)
2.1
S
14
1.9
S
14
1.7
S
13
1.6
S
13
1.7
S
13
1.8
S
15
2
S
15
2.2
S
16
2.5
S
16
2.5
S
16
3
S
15
3
S
15
3
S
14
2.5
S
14
2.5
S
14
2.5
S
15
2.5
S
15
2.5
S
15
2.4
S
15
2.5
SSE
14
2.1
S
14
2
S
14
1.9
S
14
1.8
S
14
Energy kJ
1772
1387
1018
875
1021
1371
1759
2329
3103
3567
3640
3601
3269
2939
2939
3121
2887
2701
2445
2478
1809
1620
1443
1214
Swell 2
Height (m)
Direction
Period (s)
0.2
E
8
0.4
SE
6
0.4
SE
6
0.4
SE
6
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
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
9
0.8
SE
6
1.4
E
6
1.2
E
7
Energy kJ
5
12
11
11
5
5
5
5
5
5
5
5
5
5
5
5
6
6
39
148
126
Swell 3
Height (m)
Direction
Period (s)
0.2
E
8
0.2
E
8
0.2
E
8
Energy kJ
4
5
5
Wind waves
Height (m)
Direction
Period (s)
0.4
SE
5
0.7
SSE
4
0.9
SSE
5
0.2
E
9
1.3
E
5
1.5
E
6
Energy kJ
10
13
33
6
76
139
Nearest Offshore or Glassy
Rating
(10 max)
4
3
3
3
4
4
3
4
4
5
5
5
5
4
4
5
4
4
4
4
4
4
4
3
Distance (km)
26
66
26
0
4
13
19
19
19
4
10
0
0
0
0
0
4
4
0
0
0
0
22
26
Best forecast wave conditions in São Paulo
Rating
(10 max)
4
3
3
3
4
4
4
4
4
5
5
5
5
4
4
5
4
4
4
4
4
4
4
3
Best forecast wave conditions in Brazil
Rating
(10 max)
4
4
3
3
4
5
5
4
4
5
5
5
5
5
5
5
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
4
5
5
5
5
5
5
5
5
5
4
4
5
7
8
7
6
5
5
5
5
6
8
9
  • 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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