Surf Forecasts:
How big are the waves at Siriu today (22 Aug):
- Morning surf: Morning surf (22 Aug, local time) - 8ft (2.5m), 10s period with S swell.
- Afternoon surf: Afternoon surf (22 Aug, local time) - 7.5ft (2.3m), 10s period with S swell.
- Evening surf: Evening surf (22 Aug, local time) - 5.5ft (1.7m), 10s period with S swell.
The current surf forecast for Siriu at 4PM is: 2.3m 10s primary swell from a South direction and 1.8m 10s secondary swell from a South direction, 0.5m 9s secondary swell from a East-northeast direction (forecast issued at 08:00am August 22). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Aug) | 8ft (2.5m) | 10s |
| Afternoon (22 Aug) | 7.5ft (2.3m) | 10s |
| Evening (22 Aug) | 5.5ft (1.7m) | 10s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 15°C on Sat morning, min 10°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||
Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||||||||||
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) | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 11 | S 11 | SSE 13 | S 12 | SSE 12 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 |
Wave Graph | ||||||||||||||||||||||
1277 | 1277 | 1035 | 952 | 605 | 563 | 586 | 551 | 617 | 746 | 1174 | 1214 | 1382 | 2187 | 2629 | 2515 | 2373 | 2740 | 2541 | 2318 | 2107 | 1605 | |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-on | cross | off | cross-off | cross-off | off | glassy | cross-on | cross-on | cross | cross-off | cross-off | off | cross-off | glassy | cross-on | cross-on | glassy | cross |
High Tide | 12:43PM0.63m | 11:30PM0.44m | 12:57PM0.68m | 11:53PM0.52m | 1:15PM0.72m | |||||||||||||||||
Low Tide | 4:12AM0.25m | 6:30PM0.40m | 5:20AM0.18m | 6:39PM0.35m | 6:07AM0.11m | 7:01PM0.31m | ||||||||||||||||
6:39 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | |
— | — | — | 5:54 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:55 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 12 | 15 | 13 | 11 | 11 | 10 | 10 | 10 | 12 | 14 | 14 | 12 | 11 | 11 | 10 | 10 | 12 | 14 | 14 | 13 | 13 |
Feels °C | 8 | 8 | 11 | 9 | 8 | 8 | 8 | 8 | 8 | 11 | 12 | 11 | 8 | 7 | 8 | 7 | 7 | 10 | 12 | 12 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 11 | S 11 | SSE 13 | S 12 | SSE 12 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 |
838 | 745 | 660 | 660 | 605 | 563 | 586 | 551 | 617 | 746 | 1174 | 1214 | 1382 | 2187 | 2629 | 2515 | 2373 | 2740 | 2541 | 2318 | 2107 | 1605 | |
Swell 2 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | NE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | NE 7 | — | — | — | — | — |
40 | 40 | 41 | 44 | 44 | 29 | 28 | 27 | 17 | 16 | 12 | 6 | 6 | 6 | 5 | 5 | 2 | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | NE 8 | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | 16 | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1277 | 1277 | 1035 | 952 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 15 | 15 | 10 | 0 | 0 | 0 | 0 | 0 | 13 | 13 | 13 | 0 | 0 | 0 | 0 | 0 | 23 | 38 | 0 | 6 |
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)












