Surf Forecasts:
How big are the waves at Itaipu today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 3ft (0.9m), 8s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 4ft (1.2m), 8s period with SSW swell.
- Evening surf: Evening surf (18 Oct, local time) - 6ft (1.9m), 12s period with SSW swell.
The current surf forecast for Itaipu at 11AM is: 0.9m 10s primary swell from a Southeast direction and 0.9m 8s secondary swell from a South-southwest direction (forecast issued at 08:00am October 18). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 3ft (0.9m) | 8s |
| Afternoon (18 Oct) | 4ft (1.2m) | 8s |
| Evening (18 Oct) | 6ft (1.9m) | 12s |
Table - waves today at Itaipu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 23mm), heaviest during Sun night. Warm (max 23°C on Sun morning, min 18°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||
Sunday 18 | Monday 19 | Tuesday 20 | ||||||||||||||||||||
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) | SSW 8 | SSW 8 | SE 10 | SSW 8 | SSW 12 | SSW 12 | SSW 13 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 11 | S 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 110 | 107 | 163 | 190 | 715 | 921 | 1221 | 1220 | 1160 | 944 | 894 | 792 | 778 | 657 | 541 | 530 | 500 | 440 | 458 | 479 | 498 | 486 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off |
High Tide | 7:20AM0.92m | 6:49PM0.94m | 8:14AM0.90m | 7:43PM0.93m | 10:13AM0.88m | 8:41PM0.92m | ||||||||||||||||
Low Tide | 2:02PM0.22m | 2:27AM-0.02m | 2:57PM0.22m | 3:24AM-0.01m | 3:53PM0.22m | |||||||||||||||||
 |  | | |  |  | | |  |  | | | | | | | | |  | | | | |
 | 5:16 | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — |
 | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — |
mm | — | — | — | — | — | 2 | 3 | 5 | 3 | 1 | 1 | 1 | — | — | 1 | 3 | 2 | 1 | — | — | — | — |
Temp °C | 21 | 22 | 23 | 23 | 22 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 19 | 19 | 20 | 20 | 20 |
Feels °C | 24 | 24 | 23 | 23 | 22 | 22 | 21 | 20 | 19 | 20 | 19 | 19 | 19 | 19 | 20 | 19 | 18 | 19 | 19 | 20 | 19 | 20 |
Swell 1 Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 12 | SSW 12 | SSW 13 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 11 | S 10 |
| kJ | 110 | 107 | 116 | 190 | 715 | 921 | 1221 | 1220 | 1160 | 944 | 894 | 792 | 778 | 657 | 541 | 530 | 500 | 440 | 458 | 479 | 498 | 486 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | SE 8 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 |
| kJ | 75 | 79 | 163 | 154 | 150 | 106 | 101 | 83 | 65 | 54 | 53 | 50 | 29 | 28 | 27 | 27 | 18 | 39 | 38 | 36 | 32 | 32 |
Swell 3 Height (m) Direction Period (s) | SE 11 | SE 11 | SSE 13 | SSE 12 | SSE 13 | SSE 12 | SE 12 | SSE 11 | SSE 11 | SE 11 | SE 11 | S 11 | SSE 10 | SSE 10 | SSE 10 | ESE 11 | ESE 11 | — | E 7 | E 7 | — | S 20 |
| kJ | 57 | 90 | 32 | 31 | 33 | 14 | 6 | 12 | 12 | 5 | 5 | 2 | 10 | 10 | 10 | 11 | 11 | — | 1 | 1 | — | 8 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 19 | 34 | 34 | 34 | 34 | 34 | 34 | 121 | 121 | 102 | 121 | 110 | 12 | 12 | 12 | 12 | 23 | 17 | 34 | 0 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||
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