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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 Sunday 26 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
23.7° C
(Which is slightly warmer than usual)How big are the waves at Siriu today?
The current surf forecast for Siriu at 12PM is: 0.4m 9s primary swell from a South direction and 0.5m 6s secondary swell from a East-northeast direction, 0.4m 5s secondary swell from a South direction (forecast issued at 08:00am April 26). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Apr) | 1.5ft (0.4m) | 9s |
| Afternoon (26 Apr) | 1.5ft (0.5m) | 7s |
| Evening (26 Apr) | 2ft (0.6m) | 7s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Sun morning. Warm (max 24°C on Sun morning, min 18°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 26 | Monday 27 | Tuesday 28 | Wed 29 | |||||||||||||||||||||
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 9 | S 9 | S 9 | ENE 7 | E 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | S 5 | S 7 | S 8 | S 9 | S 9 | S 9 | S 10 | S 12 | S 12 | S 11 | SSE 15 | SSE 14 | SSE 13 | SSE 13 | |
26 | 25 | 25 | 25 | 23 | 38 | 34 | 17 | 17 | 17 | 20 | 134 | 307 | 739 | 818 | 747 | 556 | 649 | 529 | 350 | 348 | 1189 | 1106 | 1042 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | cross | cross | glassy | glassy | glassy | off | off | cross-off | cross-on | cross-on | cross | cross | cross | cross | cross | cross | glassy | glassy | glassy | glassy | glassy | glassy | |
High Tide | 10:53AM0.51m | 00:51AM0.66m | 11:19AM0.60m | 00:42AM0.64m | 11:53AM0.67m | 00:37AM0.65m | ||||||||||||||||||
Low Tide | 5:35AM0.42m | 5:18PM0.12m | 5:56AM0.36m | 6:01PM0.11m | 6:22AM0.28m | 6:38PM0.12m | ||||||||||||||||||
 |  |  |  |  | | |  |  |  |  | | | | | | | | | | | | | | |
 | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | 6:39 |
 | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | 5:44 |
1 | 3 | — | 1 | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | |
Temp °C | 20 | 20 | 24 | 24 | 24 | 23 | 22 | 21 | 21 | 22 | 23 | 22 | 19 | 19 | 19 | 18 | 18 | 19 | 19 | 19 | 18 | 18 | 18 | 18 |
23 | 22 | 25 | 25 | 27 | 26 | 25 | 23 | 23 | 23 | 23 | 22 | 18 | 17 | 17 | 16 | 16 | 17 | 18 | 19 | 18 | 18 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | S 6 | S 5 | ENE 6 | ENE 7 | E 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | S 5 | S 6 | S 8 | S 9 | S 9 | S 9 | S 10 | S 12 | S 12 | S 11 | S 11 | SSE 14 | SSE 13 | SSE 13 |
 kJ | 21 | 12 | 23 | 25 | 23 | 38 | 34 | 17 | 17 | 17 | 20 | 51 | 213 | 492 | 492 | 471 | 556 | 649 | 529 | 350 | 272 | 1189 | 1106 | 1042 |
Swell 2 Height (m) Direction Period (s) | ENE 6 | ENE 6 | S 5 | S 9 | S 9 | S 9 | S 8 | S 6 | S 5 | SSE 10 | ENE 7 | E 7 | E 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | SSE 15 | E 8 | E 8 | E 8 |
| kJ | 23 | 16 | 7 | 14 | 13 | 13 | 12 | 5 | 2 | 10 | 18 | 17 | 17 | 19 | 19 | 19 | 19 | 18 | 18 | 19 | 348 | 20 | 30 | 30 |
Swell 3 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 4 | ESE 7 | ESE 7 | ESE 7 | NNE 4 | SSE 10 | SE 6 | SSE 10 | SSE 10 | NNE 5 | NNE 5 | NNE 5 | — | — | SE 10 | SE 11 | SSE 18 | E 8 | — | — | ESE 9 |
| kJ | 26 | 25 | 25 | 3 | 5 | 4 | 4 | 2 | 10 | 1 | 11 | 10 | 2 | 2 | 2 | — | — | 4 | 5 | 31 | 19 | — | — | 16 |
Wind waves Height (m) Direction Period (s) | — | — | — | NNE 3 | NE 4 | — | — | SSW 3 | SSW 3 | S 5 | — | S 7 | S 8 | S 9 | S 9 | S 9 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 4 | 7 | — | — | 1 | 1 | 5 | — | 134 | 307 | 739 | 818 | 747 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 9 | 9 | 0 | 0 | 0 | 15 | 434 | 148 | 25 | 38 | 10 | 10 | 10 | 10 | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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