Surf Forecasts:
How big are the waves at Siriu today (25 Aug):
- Afternoon surf: Afternoon surf (25 Aug, local time) - 5.5ft (1.7m), 12s period with SSE swell.
- Evening surf: Evening surf (25 Aug, local time) - 5ft (1.6m), 12s period with SSE swell.
The current surf forecast for Siriu at 5PM is: 1.7m 12s primary swell from a South-southeast direction and 0.4m 3s secondary swell from a North-northeast direction (forecast issued at 02:00pm August 25). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Aug) | - | - |
| Afternoon (25 Aug) | 5.5ft (1.7m) | 12s |
| Evening (25 Aug) | 5ft (1.6m) | 12s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Fri morning, min 14°C on Tue night). Winds increasing (light winds from the N on Tue night, fresh winds from the N by Fri morning). | ||||||||||||||||||||
Tue 25 | Wednesday 26 | Thursday 27 | ||||||||||||||||||
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) | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 15 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 |
Wave Graph | ||||||||||||||||||||
916 | 807 | 780 | 658 | 660 | 894 | 1821 | 2015 | 2082 | 1835 | 1911 | 1761 | 1626 | 1447 | 1210 | 845 | 669 | 572 | 451 | 330 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross |
High Tide | 1:34PM0.75m | 00:41AM0.67m | 1:53PM0.77m | 1:06AM0.73m | 2:12PM0.77m | |||||||||||||||
Low Tide | 7:25PM0.28m | 7:21AM-0.01m | 7:51PM0.26m | 7:55AM-0.04m | 8:17PM0.25m | |||||||||||||||
— | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | |
— | 5:57 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:58 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 18 | 16 | 15 | 14 | 14 | 15 | 18 | 21 | 21 | 19 | 17 | 17 | 18 | 18 | 21 | 23 | 23 | 20 | 19 |
Feels °C | 13 | 15 | 13 | 12 | 13 | 13 | 14 | 16 | 18 | 18 | 17 | 15 | 16 | 16 | 16 | 19 | 21 | 20 | 18 | 17 |
Swell 1 Height (m) Direction Period (s) | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 15 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 |
916 | 807 | 780 | 658 | 660 | 559 | 1821 | 2015 | 2082 | 1835 | 1911 | 1761 | 1626 | 1447 | 1210 | 845 | 669 | 572 | 451 | 330 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | SE 16 | SE 16 | SE 16 | — | — | — | — | — | — | — | — | NE 6 | — | — | — | — | — |
— | — | — | 214 | 653 | 894 | — | — | — | — | — | — | — | — | 64 | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | NE 3 | NNE 3 | NNE 3 | N 3 | N 3 | NNE 3 | NNE 3 | NNE 4 | NE 4 | NE 4 | NE 4 | NE 5 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 7 | ENE 7 |
— | 2 | 6 | 7 | 8 | 6 | 9 | 9 | 10 | 12 | 16 | 22 | 40 | 59 | 115 | 85 | 101 | 123 | 168 | 180 | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 6 | 0 | 18 | 27 | 27 | 9 | 6 | 0 | 6 | 9 | 27 | 63 | 27 | 20 | 27 | 9 | 25 | 27 | 27 | 269 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












