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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 pm Sunday 24 May 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
19.2° C
(Which is 2.2°C colder than average for this time of year)How big are the waves at Siriu today?
The current surf forecast for Siriu at 12AM is: 1.2m 7s primary swell from a Southeast direction and 0.8m 10s secondary swell from a South-southeast direction (forecast issued at 08:00pm May 24). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 3.5ft (1.1m) | 7s |
| Afternoon (25 May) | 3.5ft (1.0m) | 16s |
| Evening (25 May) | 4.5ft (1.4m) | 15s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 17mm), heaviest on Tue morning. Warm (max 22°C on Tue afternoon, min 16°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 24 | Monday 25 | Tuesday 26 | Wednesday 27 | |||||||||||||||||||||
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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
SSE 7 | SSE 10 | SE 7 | SE 7 | ESE 7 | ESE 7 | SE 17 | SSE 16 | SSE 16 | SSE 15 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | S 11 | S 7 | S 9 | S 8 | S 8 | S 8 | |
159 | 163 | 135 | 139 | 129 | 112 | 295 | 539 | 966 | 857 | 756 | 577 | 447 | 379 | 308 | 232 | 179 | 164 | 233 | 113 | 326 | 709 | 555 | 470 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | glassy | glassy | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-off | cross | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 00:07AM0.57m | 8:32AM0.53m | 11:55PM0.55m | 10:44AM0.58m | 11:32PM0.56m | 11:39AM0.63m | ||||||||||||||||||
Low Tide | 3:37PM0.20m | 4:20AM0.42m | 4:33PM0.22m | 5:00AM0.34m | 5:23PM0.23m | 5:37AM0.26m | ||||||||||||||||||
 |  | | | |  |  | |  | |  | |  |  |  | |  | | | | | | | | |
 | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — |
 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:27 |
— | — | — | — | — | — | — | — | — | — | 1 | 1 | 3 | 3 | 4 | 2 | 2 | 1 | — | — | — | — | — | — | |
Temp °C | 17 | 16 | 16 | 16 | 16 | 17 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 21 | 22 | 19 | 18 | 19 | 17 | 16 | 17 | 19 | 19 |
16 | 16 | 16 | 16 | 17 | 17 | 18 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 22 | 24 | 20 | 17 | 17 | 15 | 13 | 14 | 16 | 15 | |
Swell 1 Height (m) Direction Period (s) | SSE 7 | SE 6 | SE 7 | SE 7 | ESE 7 | ESE 7 | ESE 6 | SSE 16 | SSE 16 | SSE 15 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | S 11 | SSE 11 | S 9 | S 8 | SSE 8 | SSE 8 |
 kJ | 159 | 113 | 135 | 139 | 129 | 99 | 70 | 539 | 966 | 857 | 756 | 577 | 447 | 379 | 308 | 232 | 179 | 164 | 233 | 91 | 326 | 386 | 341 | 314 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 10 | SSE 10 | S 10 | ESE 6 | E 6 | E 6 | E 6 | E 6 | ENE 6 | ENE 5 | ESE 7 | E 7 | NE 5 | NE 5 | NE 5 | NE 5 | ESE 7 | ESE 7 | ESE 7 | SSE 10 |
| kJ | 136 | 163 | 131 | 128 | 120 | 98 | 88 | 55 | 49 | 49 | 36 | 43 | 42 | 36 | 26 | 24 | 19 | 16 | 13 | 7 | 9 | 5 | 5 | 20 |
Swell 3 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | ENE 7 | SSE 19 | SE 18 | SE 17 | S 9 | — | ENE 6 | E 14 | E 13 | E 13 | E 13 | E 13 | E 12 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | NE 5 | ENE 5 | NE 5 | E 7 |
| kJ | 64 | 36 | 33 | 15 | 35 | 112 | 295 | 85 | — | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 15 | 15 | 15 | 9 | 4 | 3 | 1 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NE 6 | NE 6 | N 3 | ENE 6 | NE 4 | NNE 4 | NE 5 | NE 5 | — | SSW 3 | SSW 5 | S 7 | SSW 7 | S 8 | S 8 | S 8 |
| kJ | — | — | — | — | — | — | — | — | 6 | 16 | 2 | 51 | 31 | 26 | 18 | 14 | — | 3 | 87 | 113 | 448 | 709 | 555 | 470 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 0 | 6 | 0 | 0 | 0 | 10 | 10 | 10 | 10 | 13 | 56 |
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)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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