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Siriu Surf Forecast
/ Santa Catarina – Sul (37 surf breaks) /
Surf Forecasts:
Siriu surfForecast / Santa Catarina – Sul / Brazil
48hr Weather and Surf, issued 8 am Friday 24 Apr 2026 -03Forecast update in hr min s Forecast update imminent
Siriu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Siriu sea temperature is
23.0° C
(Which is normal for this time of year)How big are the waves at Siriu today?
The current surf forecast for Siriu at 12PM is: 0.4m 13s primary swell from a Southeast direction and 0.5m 8s secondary swell from a Southeast direction, 0.4m 3s secondary swell from a North-northeast direction (forecast issued at 08:00am April 24). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Apr) | 1.5ft (0.4m) | 13s |
| Afternoon (24 Apr) | 1.5ft (0.4m) | 12s |
| Evening (24 Apr) | 1.5ft (0.5m) | 12s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Sat night. Warm (max 27°C on Fri afternoon, min 20°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 24 | Saturday 25 | Sunday 26 | Mon 27 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 14 | SE 13 | SE 13 | SSE 12 | S 12 | S 12 | S 12 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | NNE 6 | S 9 | ENE 8 | ENE 8 | NE 8 | |
101 | 46 | 44 | 61 | 73 | 72 | 69 | 58 | 52 | 49 | 48 | 47 | 47 | 48 | 47 | 43 | 26 | 25 | 25 | 24 | 13 | 20 | 11 | 28 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross-on | cross-on | cross | cross-off | cross | cross-off | cross-off | cross-off | glassy | glassy | cross-on | cross-off | glassy | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | glassy | |
High Tide | 11:17AM0.34m | 00:21AM0.71m | 11:12AM0.42m | 00:43AM0.69m | 10:53AM0.51m | 00:51AM0.66m | ||||||||||||||||||
Low Tide | 9:28AM0.32m | 3:20PM0.18m | 9:55AM0.42m | 4:27PM0.15m | 5:35AM0.42m | 5:18PM0.12m | ||||||||||||||||||
 |  |  | | |  | | | |  | | |  | | | |  |  | | |  | | | | |
 | 6:35 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | 6:37 |
 | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:45 | — | — | — | 5:45 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 1 | 2 | — | 1 | 2 | 2 | — | |
Temp °C | 20 | 22 | 26 | 27 | 23 | 22 | 21 | 21 | 21 | 23 | 23 | 25 | 22 | 21 | 20 | 20 | 20 | 21 | 20 | 23 | 22 | 21 | 20 | 21 |
20 | 22 | 24 | 24 | 23 | 23 | 21 | 22 | 22 | 24 | 25 | 27 | 24 | 23 | 22 | 22 | 21 | 21 | 19 | 23 | 23 | 22 | 21 | 23 | |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | S 12 | S 12 | S 12 | S 11 | S 10 | S 10 | S 10 | ENE 5 | NE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | NE 6 | S 9 | S 9 | ENE 8 | NNE 4 | NE 4 | NE 8 |
 kJ | 29 | 28 | 28 | 28 | 73 | 72 | 69 | 58 | 52 | 49 | 48 | 16 | 14 | 20 | 21 | 20 | 21 | 8 | 25 | 14 | 13 | 7 | 10 | 28 |
Swell 2 Height (m) Direction Period (s) | S 14 | SE 13 | SE 13 | SSE 12 | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ENE 5 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | ENE 8 | ENE 8 | S 9 | ENE 8 | ENE 8 | SSE 6 |
| kJ | 101 | 46 | 44 | 61 | 27 | 21 | 21 | 21 | 20 | 19 | 9 | 47 | 47 | 48 | 47 | 43 | 26 | 25 | 14 | 14 | 13 | 19 | 11 | 6 |
Swell 3 Height (m) Direction Period (s) | E 8 | S 9 | S 9 | SSW 9 | E 7 | ENE 4 | E 9 | NNE 4 | NE 4 | NE 4 | SE 7 | SE 7 | SE 7 | ESE 7 | SE 7 | SE 7 | ESE 7 | ENE 8 | ESE 7 | ESE 7 | ENE 6 | S 8 | S 8 | S 8 |
| kJ | 5 | 13 | 13 | 25 | 1 | 7 | 2 | 5 | 5 | 5 | 12 | 12 | 11 | 5 | 7 | 7 | 5 | 13 | 5 | 5 | 3 | 13 | 6 | 5 |
Wind waves Height (m) Direction Period (s) | NNE 2 | NNE 3 | NNE 3 | NE 4 | NE 4 | N 4 | NE 4 | N 4 | NNE 4 | NE 4 | NE 5 | — | S 6 | S 6 | — | — | — | — | NE 6 | NNE 6 | NNE 4 | N 4 | — | — |
| kJ | 1 | 1 | 3 | 12 | 15 | 7 | 7 | 14 | 13 | 16 | 20 | — | 2 | 2 | — | — | — | — | 17 | 24 | 7 | 20 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 9 | 27 | 39 | 9 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 27 | 27 | 15 | 0 | 15 | 109 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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