Surf Forecasts:
How big are the waves at Siriu today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 3ft (0.9m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 3.5ft (1.0m), 7s period with ENE swell.
- Evening surf: Evening surf (20 Aug, local time) - 3ft (0.9m), 7s period with ENE swell.
The current surf forecast for Siriu at 4AM is: 0.9m 8s primary swell from a East-northeast direction and 0.5m 7s secondary swell from a South direction (forecast issued at 08:00pm August 19). The wind direction is predicted to be glassy.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 3ft (0.9m) | 8s |
| Afternoon (20 Aug) | 3.5ft (1.0m) | 7s |
| Evening (20 Aug) | 3ft (0.9m) | 7s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 24°C on Thu afternoon, min 12°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | ||||||||||||||||
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) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | S 7 | S 8 | S 9 | S 9 | S 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 85 | 83 | 83 | 96 | 96 | 94 | 99 | 104 | 111 | 84 | 76 | 59 | 54 | 56 | 90 | 371 | 918 | 1000 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | glassy | glassy | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | glassy | off | cross-off | cross | cross | cross-off | cross-off |
High Tide | 4:39PM0.55m | 6:01AM0.51m | 12:32PM0.51m | 4:54PM0.51m | 11:59PM0.31m | 12:33PM0.57m | ||||||||||||
Low Tide | 10:01PM0.27m | 9:02AM0.45m | 2:44PM0.49m | 10:27PM0.31m | 2:29AM0.30m | |||||||||||||
 |  |  | | |  |  | | | | |  | |  | | | | | |
 | — | — | — | — | 6:41 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:54 | — | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 19 | 19 | 19 | 18 | 19 | 23 | 24 | 21 | 21 | 18 | 17 | 16 | 17 | 19 | 18 | 14 | 14 |
Feels °C | 21 | 21 | 21 | 21 | 19 | 19 | 22 | 23 | 21 | 22 | 16 | 17 | 14 | 14 | 15 | 13 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | S 9 | S 9 | ENE 7 | ENE 7 | ENE 7 | S 6 | S 7 | S 8 | ENE 7 | ENE 7 | ENE 8 |
| kJ | 85 | 83 | 83 | 96 | 96 | 94 | 99 | 55 | 36 | 84 | 76 | 59 | 54 | 56 | 90 | 37 | 42 | 45 |
Swell 2 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 7 | S 7 | S 9 | S 9 | SE 12 | SE 12 | S 8 | S 8 | S 8 | ENE 7 | ENE 7 | ENE 7 | E 11 | — | — |
| kJ | 1 | 4 | 15 | 15 | 21 | 81 | 78 | 6 | 5 | 22 | 21 | 20 | 52 | 38 | 37 | 2 | — | — |
Swell 3 Height (m) Direction Period (s) | SE 13 | S 11 | S 11 | S 10 | S 10 | SE 12 | SE 12 | — | SE 12 | SE 6 | SE 6 | SSE 3 | E 11 | E 11 | E 11 | — | — | — |
| kJ | 7 | 10 | 20 | 31 | 45 | 6 | 6 | — | 5 | 1 | 1 | 2 | 2 | 2 | 2 | — | — | — |
Wind waves Height (m) Direction Period (s) | S 3 | S 3 | — | — | — | NE 3 | — | ENE 7 | ENE 7 | N 4 | NNW 4 | — | — | SSW 7 | SSW 7 | S 9 | S 9 | S 9 |
| kJ | 2 | 1 | — | — | — | 1 | — | 104 | 111 | 9 | 7 | — | — | 121 | 191 | 371 | 918 | 1000 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 15 | 15 | 0 | 0 | 9 | 9 | 16 | 789 | 9 | 0 | 0 | 0 | 0 | 0 | 15 | 72 | 13 | 13 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
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