Surf Forecasts:
How big are the waves at Siriu today (25 Aug):
- Morning surf: Morning surf (25 Aug, local time) - 6ft (1.8m), 13s period with SSE swell.
- 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 1AM is: 2.0m 13s primary swell from a South-southeast direction (forecast issued at 08:00pm August 24). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Aug) | 6ft (1.8m) | 13s |
| 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 23°C on Thu morning, min 11°C on Mon night). Winds increasing (calm on Mon night, fresh winds from the NNE by Thu afternoon). | ||||||||||||||||||
Mon 24 | Tuesday 25 | Wednesday 26 | ||||||||||||||||
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 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 15 | SSE 15 |
Wave Graph  | ||||||||||||||||||
 kJ | 1859 | 1558 | 1319 | 1156 | 1025 | 977 | 916 | 807 | 780 | 658 | 653 | 894 | 1846 | 2015 | 1835 | 1835 | 1885 | 1761 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | glassy | cross | cross | glassy | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross |
High Tide | 00:17AM0.60m | 1:34PM0.75m | 00:41AM0.67m | 1:53PM0.77m | ||||||||||||||
Low Tide | 7:01PM0.31m | 6:46AM0.04m | 7:25PM0.28m | 7:21AM-0.01m | 7:51PM0.26m | |||||||||||||
 | |  | | |  | |  |  | | | | | | | | | | |
 | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 11 | 11 | 11 | 13 | 16 | 18 | 16 | 15 | 14 | 14 | 14 | 17 | 21 | 22 | 18 | 17 |
Feels °C | 11 | 11 | 10 | 9 | 8 | 12 | 13 | 14 | 13 | 13 | 12 | 12 | 12 | 15 | 18 | 19 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 15 | SSE 15 |
| kJ | 1859 | 1558 | 1319 | 1156 | 1025 | 977 | 916 | 807 | 780 | 658 | 583 | 583 | 1846 | 2015 | 1835 | 1835 | 1885 | 1761 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | NE 7 | NE 7 | — | — | — | SE 16 | SE 16 | SE 16 | — | — | — | — | — | — |
| kJ | — | — | — | — | 2 | 2 | — | — | — | 214 | 653 | 894 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | NNE 3 | NNE 3 | NE 3 | N 4 | N 4 | N 3 | NNE 4 | NNE 3 | NE 3 | NE 4 | NE 5 |
| kJ | — | — | — | — | — | — | — | 3 | 7 | 6 | 9 | 9 | 8 | 15 | 9 | 9 | 18 | 21 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 10 | 0 | 0 | 6 | 6 | 0 | 9 | 27 | 27 | 9 | 6 | 6 | 6 | 6 | 27 | 27 | 27 | 25 |
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)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Siriu surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest