Maresias surf break

Maresias surfForecast / São Paulo / Brazil

information circle48hr Weather and Surf, issued 2 am Tuesday 19 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
23.9° C
(Which is slightly warmer than usual)

How big are the waves at Maresias today?

The current surf forecast for Maresias at 9AM is: 1.6m 8s primary swell from a South direction and 0.4m 13s secondary swell from a South direction (forecast issued at 02:00am May 19). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (19 May)5ft (1.6m)8s
Afternoon (19 May)2.5ft (0.7m)19s
Evening (19 May)5.5ft (1.7m)17s

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 12mm), heaviest on Wed night. Warm (max 22°C on Wed morning, min 18°C on Thu afternoon). Wind will be generally light.

Tuesday
19
Wednesday
20
Thursday
21
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
6 PM
9 PM
Rating
(10 max)
2
0
0
1
1
2
3
3
3
3
3
3
2
2
3
3
3
3
2
3
4
4
4
4
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.1
SW
9
1.6
SSW
8
1.7
SSW
8
1.6
S
8
0.9
SSW
8
0.7
SSE
19
1.1
S
18
1.7
S
17
1.9
S
16
2.4
S
16
2.3
S
15
2.2
S
14
2
S
14
1.8
S
14
1.7
S
13
1.6
S
13
1.6
S
13
1.8
S
14
2
S
15
2.3
S
16
2.5
S
16
2.5
S
16
3
S
15
3
S
15
Wave Graph
Metric surfscale
Energy kJ
203
311
345
291
105
391
794
1769
1881
2864
2502
2012
1608
1245
1018
875
905
1340
1735
2567
3103
3567
3688
3360
Wind (km/h)
10
WNW
20
SW
10
SW
10
WSW
10
WSW
10
WSW
10
WSW
10
W
10
W
10
W
10
W
5
WSW
10
SW
10
SSW
5
SSW
5
S
5
S
5
S
10
S
10
S
10
S
5
S
5
ESE
5
ESE
cross-off
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
on
glassy
glassy
on
on
on
on
on
cross-on
cross
High Tide
3:22AM0.92m
4:42PM1.03m
3:55AM0.91m
5:29PM0.92m
4:32AM0.90m
6:25PM0.82m
Low Tide
10:31AM0.10m
11:39PM0.58m
11:22AM0.15m
00:31AM0.66m
12:28PM0.22m
cloud
light rain
light rain
light rain
light rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
light rain
rain showers
rain showers
rain showers
light rain
light rain
light rain
cloud
cloud
cloud
<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
5:24
2
2
1
1
1
1
1
1
1
2
2
1
Temp °C
19
20
20
20
20
20
19
19
19
19
19
20
22
21
20
20
20
19
19
19
19
18
18
18
20
20
21
21
22
21
20
20
20
20
20
21
23
22
22
23
23
21
20
20
19
19
19
19
Swell 1
Height (m)
Direction
Period (s)
0.4
SSE
14
0.4
S
13
0.4
S
13
1.6
S
8
1
SSE
7
1.3
S
8
1.3
S
8
1.7
S
17
1.9
S
16
2.4
S
16
2.3
S
15
2.2
S
14
2
S
14
1.8
S
14
1.7
S
13
1.6
S
13
1.6
S
13
1.8
S
14
2
S
15
2.3
S
16
2.5
S
16
2.5
S
16
3
S
15
3
S
15
Energy kJ
70
55
55
291
105
186
191
1769
1881
2864
2502
2012
1608
1245
1018
875
905
1340
1735
2567
3103
3567
3688
3360
Swell 2
Height (m)
Direction
Period (s)
0.2
E
7
0.3
SSE
16
0.3
S
16
0.4
S
13
0.9
SSW
8
0.7
SSE
19
1.1
S
18
1.3
S
8
1.3
S
8
0.2
E
7
0.2
E
7
0.7
SE
6
0.6
SE
6
0.6
SE
6
0.2
E
8
0.6
SE
6
0.6
ESE
6
0.5
SE
6
0.2
E
8
0.2
E
8
0.2
E
8
0.3
E
8
0.3
E
8
Energy kJ
4
50
46
53
93
391
794
191
186
4
4
38
30
28
4
26
21
15
5
4
4
10
10
Swell 3
Height (m)
Direction
Period (s)
0.1
E
7
0.1
E
7
0.3
SSE
16
0.4
SSE
15
0.5
S
15
0.7
S
14
0.2
E
7
0.2
E
7
0.2
E
7
0.2
E
7
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
Energy kJ
1
1
51
75
112
188
4
4
4
4
4
4
5
5
Wind waves
Height (m)
Direction
Period (s)
1.1
SW
9
1.6
SSW
8
1.7
SSW
8
0.8
SE
6
0.6
SE
6
0.5
SE
6
Energy kJ
203
311
345
43
20
15
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
2
2
2
3
4
4
4
4
4
4
3
3
3
3
3
3
4
4
5
4
4
Distance (km)
0
26
48
26
13
26
13
8
8
8
8
8
26
26
10
0
0
19
19
66
19
4
10
10
Best forecast wave conditions in São Paulo
Rating
(10 max)
2
1
3
2
2
2
3
4
4
4
5
4
4
3
3
3
3
4
3
4
4
5
4
4
Best forecast wave conditions in Brazil
Rating
(10 max)
2
2
3
4
4
4
4
4
4
4
5
4
4
3
3
4
4
5
4
4
4
5
4
5
Header Global
Rating
(10 max)
4
4
4
4
4
4
4
5
5
5
4
4
4
5
5
5
4
5
4
4
4
5
4
4
  • 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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