Surf Forecasts:
How big are the waves at Itaipu today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 2.5ft (0.8m), 11s period with S swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 2.5ft (0.7m), 10s period with S swell.
- Evening surf: Evening surf (18 Sep, local time) - 5ft (1.5m), 7s period with ESE swell.
The current surf forecast for Itaipu at 7AM is: 0.8m 11s primary swell from a South direction and 0.7m 5s secondary swell from a East-southeast direction (forecast issued at 02:00am September 18). The wind direction is predicted to be glassy.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 2.5ft (0.8m) | 11s |
| Afternoon (18 Sep) | 2.5ft (0.7m) | 10s |
| Evening (18 Sep) | 5ft (1.5m) | 7s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sat night. Warm (max 27°C on Sun afternoon, min 19°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | E 8 | ESE 8 | ESE 8 | E 9 | E 8 | ESE 8 | E 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 64 | 63 | 154 | 151 | 112 | 104 | 110 | 200 | 206 | 168 | 145 | 124 | 145 | 145 | 167 | 231 | 276 | 703 | 243 | 202 | 435 | 401 | 229 | 464 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross | cross | cross | glassy | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | glassy | cross-on | cross-off | cross | cross | cross-off |
High Tide | 6:08AM0.84m | 5:30PM0.83m | 1:00AM0.48m | 7:30AM0.73m | 12:47PM0.80m | 6:28PM0.72m | 00:01AM0.61m | 12:51PM0.90m | ||||||||||||||||
Low Tide | 10:54PM0.36m | 10:09AM0.65m | 11:07PM0.47m | 1:45AM0.48m | 9:19AM0.72m | 4:27PM0.70m | 10:48PM0.60m | 4:21AM0.44m | 5:42PM0.60m | |||||||||||||||
 |  |  | | | | | | | | | | | | | | |  |  |  | | | | | |
 | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — |
Temp °C | 18 | 18 | 18 | 19 | 20 | 21 | 20 | 20 | 19 | 19 | 19 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 21 | 21 | 27 | 25 | 25 |
Feels °C | 18 | 20 | 20 | 20 | 20 | 22 | 21 | 20 | 19 | 20 | 21 | 23 | 21 | 21 | 22 | 21 | 22 | 22 | 23 | 23 | 22 | 28 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | S 9 | ESE 5 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
| kJ | 56 | 24 | 154 | 151 | 112 | 104 | 73 | 73 | 51 | 49 | 47 | 45 | 29 | 28 | 28 | 16 | 14 | 298 | 243 | 202 | 173 | 157 | 153 | 149 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 9 | ESE 5 | ESE 5 | ESE 9 | — | — | — | — | — | — | S 15 | S 14 | S 14 | S 13 | S 13 | S 13 | S 9 | S 9 | S 9 | S 13 | S 13 | S 12 | S 12 |
| kJ | 64 | 57 | 27 | 28 | 9 | — | — | — | — | — | — | 4 | 4 | 4 | 13 | 13 | 13 | 6 | 6 | 6 | 29 | 13 | 11 | 11 |
Swell 3 Height (m) Direction Period (s) | ESE 10 | S 11 | ESE 10 | ESE 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | S 13 | S 11 | S 12 | — | — | — | — |
| kJ | 9 | 63 | 9 | 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | 13 | 10 | 11 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 5 | — | — | — | ESE 5 | ESE 6 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | E 8 | — | — | E 9 | E 8 | ESE 8 | E 8 |
| kJ | 33 | — | — | — | 33 | 48 | 110 | 200 | 206 | 168 | 145 | 124 | 145 | 145 | 167 | 231 | 276 | 703 | — | — | 435 | 401 | 229 | 464 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 5 | 0 | 0 | 0 | 10 | 10 | 6 | 5 | 5 | 5 | 0 | 6 | 6 | 73 | 6 | 5 | 4 | 7 | 0 | 12 | 0 | 5 | 5 | 0 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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