Itaipu surfForecast / Rio de Janeiro / Brazil

information circle48hr Weather and Surf, issued 2 pm Tuesday 19 May 2026 -03
Forecast update in hr  min  s Forecast update imminent
Itaipu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Itaipu sea temperature is
23.2° C
(Which is slightly cooler than normal)

How big are the waves at Itaipu today?

The current surf forecast for Itaipu at 9PM is: 0.9m 18s primary swell from a South direction and 1.4m 8s secondary swell from a South-southwest direction (forecast issued at 02:00pm May 19). The wind direction is predicted to be onshore.

Time (-03) & DateWave HeightWave Period
Morning (19 May)--
Afternoon (19 May)5ft (1.5m)8s
Evening (19 May)3ft (0.9m)18s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 27mm), heaviest during Thu morning. Warm (max 22°C on Tue afternoon, min 19°C on Thu afternoon). Wind will be generally light.

Tue
19
Wednesday
20
Thursday
21
Fri
22
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)
0
0
0
2
3
2
3
2
2
2
2
3
2
3
2
3
1
1
3
4
5
5
4
4
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)
1.3
SSW
8
1.5
SSW
8
1.7
SSW
8
0.9
S
18
1.6
S
18
1.9
S
16
2.4
S
16
2.4
S
15
2.3
S
14
2.2
S
14
2
S
14
1.9
S
13
1.9
S
13
1.8
S
13
2
S
14
2.1
S
15
2.2
S
15
2.4
S
15
2.5
S
16
3
S
15
3
S
15
3
S
14
2.5
S
14
2.5
S
14
Wave Graph
Metric surfscale
Energy kJ
234
284
362
520
1537
1812
2789
2683
2155
1918
1519
1275
1237
1110
1626
1869
2197
2648
3434
3510
3281
3192
2927
2452
Wind (km/h)
25
WSW
25
WSW
20
WSW
15
WSW
10
W
10
W
10
W
10
W
10
WNW
10
W
10
SW
5
S
10
S
10
S
10
S
10
S
20
SSE
20
S
15
SSE
5
SE
5
E
5
NNE
5
N
5
N
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
glassy
glassy
cross-off
cross-off
High Tide
5:45PM0.96m
3:19AM0.94m
6:43PM0.90m
4:06AM0.95m
7:49PM0.85m
5:01AM0.95m
Low Tide
10:19AM-0.15m
10:52PM0.34m
11:10AM-0.11m
11:39PM0.38m
12:05PM-0.06m
00:31AM0.39m
cloud
light rain
light rain
light rain
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:20
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:16
5:16
5:15
5:15
1
1
1
1
3
2
2
1
1
1
1
1
1
2
4
2
1
1
Temp °C
22
22
22
21
21
21
21
21
21
21
22
22
21
21
20
20
20
20
19
19
19
19
19
19
21
21
21
21
22
22
23
23
23
22
24
24
22
22
21
21
20
18
18
19
20
20
20
20
Swell 1
Height (m)
Direction
Period (s)
1.3
SSW
8
0.4
S
13
1.5
SSW
8
1.4
SSW
8
1.6
S
18
1.9
S
16
2.4
S
16
2.4
S
15
2.3
S
14
2.2
S
14
2
S
14
1.9
S
13
1.9
S
13
1.8
S
13
2
S
14
2.1
S
15
2.2
S
15
2.4
S
15
2.5
S
16
3
S
15
3
S
15
3
S
14
2.5
S
14
2.5
S
14
Energy kJ
234
50
257
232
1537
1812
2789
2683
2155
1918
1519
1275
1237
1110
1626
1869
2197
2648
3434
3510
3281
3192
2927
2452
Swell 2
Height (m)
Direction
Period (s)
0.4
S
13
0.4
S
15
0.7
S
19
0.9
S
18
1.3
SSW
8
1.2
S
8
0.1
SE
12
0.2
E
8
0.2
E
8
0.1
E
8
0.2
E
8
0.4
SE
5
0.2
E
8
0.2
E
8
0.5
SE
5
0.2
E
8
0.2
E
8
0.8
S
18
Energy kJ
54
72
362
520
207
177
6
5
5
1
5
10
5
5
13
5
5
408
Swell 3
Height (m)
Direction
Period (s)
0.3
S
16
0.4
S
20
0.5
S
15
0.8
S
15
0.1
SE
12
0.1
E
8
0.2
E
8
0.2
E
9
Energy kJ
45
124
104
267
6
1
5
6
Wind waves
Height (m)
Direction
Period (s)
0.8
W
5
1.5
SSW
8
1.7
SSW
8
0.6
SSE
5
0.6
SSE
5
Energy kJ
30
284
336
17
17
Nearest Offshore or Glassy
Rating
(10 max)
2
3
1
2
4
4
4
4
4
3
4
2
3
4
4
4
4
4
4
5
5
5
4
4
Distance (km)
210
210
110
102
102
20
20
20
5
20
110
12
34
102
102
102
121
121
121
5
0
0
0
0
Best forecast wave conditions in Rio de Janeiro
Rating
(10 max)
1
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5
5
5
Best forecast wave conditions in Brazil
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
4
4
4
4
5
5
5
5
5
Header Global
Rating
(10 max)
4
4
4
5
5
5
4
4
4
5
5
4
4
5
5
4
4
4
4
5
5
5
7
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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