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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 Tuesday 26 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
18.7° C
(Which is 2.6°C colder than average for this time of year)How big are the waves at Siriu today?
The current surf forecast for Siriu at 2PM is: 0.9m 12s primary swell from a South-southeast direction and 0.5m 7s secondary swell from a East-southeast direction, 0.5m 4s secondary swell from a Northeast direction (forecast issued at 08:00am May 26). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 May) | 3.5ft (1.1m) | 12s |
| Afternoon (26 May) | 3ft (0.9m) | 12s |
| Evening (26 May) | 2.5ft (0.8m) | 11s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 9mm), mostly falling on Tue morning. Warm (max 22°C on Tue afternoon, min 14°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 26 | Wednesday 27 | Thursday 28 | Fri 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 |    |    |    |    | ||||||||||||||||||||
SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | S 11 | S 7 | S 7 | S 8 | S 9 | S 9 | SSE 9 | SSE 9 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | ESE 7 | SE 7 | |
522 | 379 | 308 | 232 | 176 | 164 | 123 | 188 | 107 | 537 | 732 | 961 | 904 | 740 | 429 | 315 | 244 | 233 | 203 | 173 | 125 | 107 | 93 | 75 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | on | on | glassy | off | off | off | |
High Tide | 10:44AM0.58m | 11:32PM0.56m | 11:39AM0.63m | 11:41PM0.58m | 12:21PM0.67m | 00:04AM0.60m | ||||||||||||||||||
Low Tide | 5:00AM0.34m | 5:23PM0.23m | 5:37AM0.26m | 6:09PM0.25m | 6:13AM0.19m | 6:52PM0.26m | ||||||||||||||||||
 |  |  |  |  |  |  | | |  | | | | | | | | | | | | | | | |
 | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | 6:56 |
 | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:27 | — | — | — | — | — | — | — | 5:27 | — | — | — | 5:27 |
3 | 7 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 18 | 21 | 22 | 19 | 18 | 18 | 17 | 16 | 17 | 19 | 20 | 16 | 15 | 15 | 14 | 14 | 16 | 18 | 18 | 16 | 15 | 15 | 15 |
18 | 18 | 21 | 24 | 19 | 18 | 17 | 15 | 13 | 14 | 15 | 16 | 13 | 13 | 13 | 12 | 12 | 15 | 17 | 17 | 17 | 15 | 15 | 14 | |
Swell 1 Height (m) Direction Period (s) | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | S 11 | SSE 11 | S 8 | S 8 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | ESE 7 | SE 7 |
 kJ | 522 | 379 | 308 | 232 | 176 | 164 | 123 | 188 | 66 | 299 | 450 | 617 | 606 | 525 | 429 | 315 | 244 | 233 | 203 | 173 | 125 | 107 | 93 | 75 |
Swell 2 Height (m) Direction Period (s) | E 6 | E 6 | E 7 | ESE 7 | NE 5 | NE 5 | NE 5 | NE 5 | ESE 7 | ESE 7 | ESE 7 | E 7 | E 9 | E 9 | E 9 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 |
| kJ | 35 | 27 | 45 | 26 | 13 | 11 | 8 | 6 | 9 | 9 | 5 | 4 | 2 | 2 | 1 | 11 | 20 | 19 | 19 | 19 | 18 | 17 | 16 | 16 |
Swell 3 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 12 | E 7 | ESE 7 | ESE 7 | ESE 7 | NE 5 | ENE 5 | NE 5 | E 8 | — | — | — | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | NE 8 | SSE 12 | SSE 12 |
| kJ | 3 | 3 | 3 | 3 | 24 | 15 | 15 | 15 | 3 | 2 | 1 | 1 | — | — | — | 1 | 1 | 1 | 1 | 6 | 6 | 2 | 14 | 13 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 7 | NNE 4 | NE 4 | — | SSW 2 | SSW 3 | SSW 4 | S 7 | S 7 | S 8 | S 9 | S 9 | SSE 9 | — | — | — | — | — | — | — | — | — | — |
| kJ | 57 | 60 | 17 | 9 | — | 1 | 4 | 42 | 107 | 537 | 732 | 961 | 904 | 740 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 6 | 6 | 9 | 10 | 0 | 0 | 0 | 10 | 10 | 13 | 56 | 13 | 0 | 0 | 0 | 0 | 0 | 9 | 16 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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