Surf Forecasts:
How big are the waves at Siriu today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 6ft (1.9m), 14s period with SSE swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 6ft (1.8m), 14s period with SSE swell.
- Evening surf: Evening surf (13 Aug, local time) - 6ft (1.9m), 13s period with SSE swell.
The current surf forecast for Siriu at 12AM is: 1.6m 12s primary swell from a South-southeast direction and 0.1m 7s secondary swell from a East direction, 0.6m 4s secondary swell from a North-northeast direction (forecast issued at 08:00pm August 12). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 6ft (1.9m) | 14s |
| Afternoon (13 Aug) | 6ft (1.8m) | 14s |
| Evening (13 Aug) | 6ft (1.9m) | 13s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 47mm), heaviest during Thu night. Very mild (max 19°C on Thu morning, min 15°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | ||||||||||||||||
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) | SSE 12 | SSE 12 | SSE 12 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SE 13 | SSE 13 |
Wave Graph  | ||||||||||||||||||
 kJ | 852 | 730 | 762 | 1187 | 1374 | 1454 | 1344 | 1161 | 1192 | 1139 | 1139 | 1143 | 774 | 931 | 1094 | 1274 | 1972 | 1060 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on |
High Tide | 3:02PM0.76m | 1:25AM0.70m | 3:05PM0.70m | 1:55AM0.76m | 3:10PM0.66m | |||||||||||||
Low Tide | 8:57PM0.36m | 8:54AM-0.06m | 9:18PM0.37m | 9:28AM-0.01m | ||||||||||||||
 | | |  |  |  | |  | |  | | | | | | | | | |
 | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:51 | — | — |
mm | — | — | — | 1 | 1 | — | — | 1 | 1 | 8 | 2 | 2 | 2 | 3 | 2 | 4 | 4 | 6 |
Temp °C | 15 | 15 | 15 | 16 | 16 | 17 | 19 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 |
Feels °C | 12 | 13 | 13 | 16 | 15 | 17 | 20 | 16 | 16 | 18 | 17 | 18 | 17 | 18 | 18 | 18 | 18 | 18 |
Swell 1 Height (m) Direction Period (s) | SSE 12 | SSE 12 | SSE 12 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SE 13 | SSE 13 |
| kJ | 852 | 730 | 762 | 1187 | 1374 | 1454 | 1344 | 1161 | 1192 | 1139 | 1139 | 1143 | 774 | 931 | 1094 | 1274 | 1972 | 1060 |
Swell 2 Height (m) Direction Period (s) | ENE 7 | ENE 7 | E 7 | NE 4 | NE 4 | NE 5 | NE 5 | NE 5 | ENE 5 | NE 6 | NE 6 | NE 6 | SE 7 | ESE 7 | ESE 7 | ESE 7 | SE 8 | ESE 8 |
| kJ | 5 | 5 | 1 | 9 | 9 | 5 | 6 | 6 | 11 | 8 | 8 | 8 | 136 | 142 | 191 | 181 | 186 | 288 |
Swell 3 Height (m) Direction Period (s) | — | — | E 8 | E 7 | — | — | — | — | E 8 | E 8 | — | NE 6 | NE 5 | — | — | — | — | — |
| kJ | — | — | 1 | 1 | — | — | — | — | 1 | 1 | — | 8 | 7 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 4 | NNE 4 | NNE 4 | NNE 4 | — | — | — | — | — | — | NE 6 | — | ESE 7 | — | — | ESE 7 | ESE 7 | ESE 8 |
| kJ | 7 | 10 | 12 | 24 | — | — | — | — | — | — | 11 | — | 175 | — | — | 247 | 310 | 385 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 27 | 9 | 0 | 0 | 0 | 0 | 10 | 15 | 0 | 0 | 15 | 16 | 16 | 15 | 16 | 16 | 16 | 16 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
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