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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 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 3AM is: 0.7m 11s primary swell from a South-southeast direction and 0.4m 5s secondary swell from a Northeast direction (forecast issued at 08:00pm May 26). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | 5ft (1.5m) | 7s |
| Afternoon (27 May) | 10ft (3.0m) | 9s |
| Evening (27 May) | 8ft (2.4m) | 9s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Tue night. Warm (max 20°C on Wed afternoon, min 14°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 26 | Wednesday 27 | Thursday 28 | Friday 29 | |||||||||||||||||||||
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 12 | SSE 11 | SSE 11 | SSE 11 | S 11 | S 7 | S 9 | S 9 | S 9 | S 9 | SSE 9 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | ESE 7 | |
176 | 164 | 123 | 121 | 229 | 229 | 699 | 1360 | 1210 | 896 | 513 | 409 | 274 | 238 | 182 | 173 | 145 | 125 | 107 | 79 | 77 | 51 | 49 | 41 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | cross-on | cross-on | glassy | off | off | off | off | glassy | glassy | glassy | |
High Tide | 11:32PM0.56m | 11:39AM0.63m | 11:41PM0.58m | 12:21PM0.67m | 00:04AM0.60m | 12:59PM0.70m | ||||||||||||||||||
Low Tide | 5:23PM0.23m | 5:37AM0.26m | 6:09PM0.25m | 6:13AM0.19m | 6:52PM0.26m | 6:46AM0.14m | ||||||||||||||||||
 |  | |  | |  | | | | | | | | | | | | | |  |  |  | |  | |
 | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:56 | — | — | — |
 | — | — | — | — | — | — | — | 5:27 | — | — | — | — | — | — | — | 5:27 | — | — | — | — | — | — | — | 5:27 |
— | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 18 | 18 | 18 | 16 | 17 | 19 | 20 | 17 | 16 | 15 | 14 | 14 | 16 | 19 | 18 | 16 | 16 | 15 | 15 | 15 | 17 | 18 | 18 |
22 | 18 | 19 | 16 | 12 | 14 | 15 | 15 | 13 | 13 | 13 | 12 | 12 | 15 | 18 | 18 | 17 | 16 | 14 | 14 | 15 | 17 | 18 | 18 | |
Swell 1 Height (m) Direction Period (s) | SSE 12 | SSE 11 | SSE 11 | SSE 11 | ESE 7 | SSE 11 | E 7 | S 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | ESE 7 |
 kJ | 176 | 164 | 123 | 121 | 15 | 47 | 8 | 758 | 773 | 617 | 513 | 409 | 274 | 238 | 182 | 173 | 145 | 125 | 107 | 79 | 77 | 51 | 49 | 41 |
Swell 2 Height (m) Direction Period (s) | NE 5 | NE 5 | NE 5 | NE 5 | NE 5 | ESE 7 | NE 8 | E 7 | E 8 | E 8 | E 9 | E 9 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 |
| kJ | 13 | 13 | 8 | 8 | 6 | 9 | 3 | 4 | 5 | 1 | 1 | 6 | 20 | 20 | 19 | 19 | 18 | 28 | 28 | 16 | 16 | 16 | 26 | 15 |
Swell 3 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | ESE 7 | E 12 | ENE 5 | E 11 | — | — | E 6 | — | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | SSE 12 | SSE 11 | SSE 12 | S 8 | SE 12 |
| kJ | 15 | 18 | 18 | 15 | 3 | 2 | 3 | — | — | 1 | — | 2 | 1 | 1 | 1 | 5 | 5 | 1 | 1 | 14 | 13 | 13 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | NNE 4 | — | SSW 3 | SSW 3 | S 11 | S 7 | S 9 | S 9 | S 9 | S 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 34 | — | 1 | 1 | 229 | 229 | 699 | 1360 | 1210 | 896 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 10 | 10 | 10 | 13 | 13 | 13 | 10 | 0 | 0 | 0 | 0 | 13 | 38 | 0 | 0 | 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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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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