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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 2 am 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 10AM is: 1.2m 11s primary swell from a South-southeast direction and 0.9m 7s secondary swell from a East direction (forecast issued at 02:00am May 24). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 May) | 4ft (1.2m) | 11s |
| Afternoon (24 May) | 6ft (1.9m) | 10s |
| Evening (24 May) | 4.5ft (1.3m) | 7s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 18mm), heaviest on Tue morning. Warm (max 22°C on Tue morning, min 16°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 24 | Monday 25 | Tuesday 26 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 7 | SE 7 | SE 7 | SSE 10 | ESE 7 | SSE 10 | SE 17 | SSE 16 | SSE 16 | SSE 15 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | |
376 | 303 | 350 | 350 | 400 | 754 | 163 | 151 | 171 | 160 | 136 | 123 | 295 | 539 | 966 | 857 | 756 | 577 | 522 | 379 | 308 | 232 | 220 | 164 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | glassy | cross | cross-on | cross-on | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross-off | cross-off | |
High Tide | 6:16AM0.53m | 00:07AM0.57m | 8:32AM0.53m | 11:55PM0.55m | 10:44AM0.58m | |||||||||||||||||||
Low Tide | 3:37AM0.49m | 3:37PM0.20m | 4:20AM0.42m | 4:33PM0.22m | 5:00AM0.34m | 5:23PM0.23m | ||||||||||||||||||
 | | |  |  | |  | | | | |  | | | |  |  | | |  |  | |  | | |
 | — | — | 6:52 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — |
 | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 4 | 2 | 3 | 2 | 1 | |
Temp °C | 15 | 15 | 15 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 17 | 20 | 19 | 18 | 18 | 18 | 18 | 17 | 19 | 22 | 20 | 19 | 18 |
14 | 13 | 13 | 16 | 16 | 16 | 17 | 16 | 17 | 17 | 16 | 17 | 19 | 17 | 17 | 17 | 17 | 18 | 16 | 19 | 23 | 22 | 19 | 17 | |
Swell 1 Height (m) Direction Period (s) | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 7 | SSE 7 | SE 7 | SE 7 | ESE 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 |
 kJ | 376 | 303 | 350 | 350 | 400 | 144 | 163 | 151 | 171 | 138 | 136 | 102 | 75 | 539 | 966 | 857 | 756 | 577 | 522 | 379 | 308 | 232 | 220 | 164 |
Swell 2 Height (m) Direction Period (s) | ESE 6 | E 6 | E 7 | E 7 | E 7 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 10 | SSE 10 | SSE 10 | ESE 6 | E 6 | E 6 | E 6 | E 6 | E 6 | ESE 6 | ESE 6 | ESE 7 | NE 5 | ESE 7 |
| kJ | 72 | 49 | 70 | 77 | 83 | 187 | 136 | 131 | 131 | 160 | 120 | 123 | 120 | 55 | 36 | 35 | 33 | 32 | 26 | 22 | 23 | 20 | 13 | 20 |
Swell 3 Height (m) Direction Period (s) | E 6 | SSE 6 | SSE 6 | — | SE 6 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 6 | SSE 19 | SE 18 | SE 17 | S 9 | ENE 6 | NE 6 | E 14 | E 13 | ENE 6 | E 13 | E 12 | E 12 | ESE 7 | NE 5 |
| kJ | 46 | 31 | 32 | — | 66 | 66 | 64 | 38 | 26 | 14 | 35 | 112 | 295 | 85 | 4 | 6 | 4 | 4 | 3 | 3 | 3 | 3 | 30 | 7 |
Wind waves Height (m) Direction Period (s) | — | SW 4 | SW 4 | SW 4 | SW 3 | SSE 10 | — | — | — | — | — | — | — | — | NE 6 | — | N 3 | N 3 | N 4 | NE 4 | NNE 4 | NE 5 | SSW 2 | SSW 3 |
| kJ | — | 12 | 14 | 16 | 6 | 754 | — | — | — | — | — | — | — | — | 6 | — | 4 | 7 | 12 | 8 | 12 | 17 | 1 | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 0 | 0 | 6 | 6 | 0 | 0 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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