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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 Friday 22 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
19.7° C
(Which is 1.8°C colder than average for this time of year)How big are the waves at Siriu today?
The current surf forecast for Siriu at 7AM is: 2.4m 14s primary swell from a South-southeast direction (forecast issued at 02:00am May 22). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 7.5ft (2.3m) | 14s |
| Afternoon (22 May) | 7ft (2.1m) | 14s |
| Evening (22 May) | 6.5ft (2.0m) | 13s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 24mm), heaviest during Fri night. Very mild (max 19°C on Sun morning, min 13°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 22 | Saturday 23 | Sunday 24 | ||||||||||||||||||||||
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 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | S 11 | S 11 | SSE 11 | SSE 7 | SE 7 | SSE 10 | |
2541 | 2638 | 2411 | 2137 | 1937 | 1750 | 1677 | 1422 | 1306 | 1025 | 903 | 715 | 599 | 505 | 418 | 411 | 320 | 303 | 286 | 238 | 954 | 294 | 136 | 131 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | off | glassy | cross-on | cross-on | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross | cross-on | cross-off | cross-off | |
High Tide | 3:47AM0.59m | 11:24PM0.64m | 4:48AM0.57m | 11:54PM0.61m | 6:16AM0.53m | |||||||||||||||||||
Low Tide | 1:57AM0.57m | 1:26PM0.17m | 2:50AM0.55m | 2:35PM0.19m | 3:37AM0.49m | 3:37PM0.20m | ||||||||||||||||||
 |  | |  |  | |  |  |  | | |  | | | | | | | |  | | | | | |
 | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — |
 | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:28 | — | — |
— | — | — | — | — | — | — | 1 | 7 | 5 | 9 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 13 | 12 | 14 | 16 | 16 | 15 | 15 | 13 | 13 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 16 | 19 | 19 | 17 | 17 |
9 | 10 | 10 | 12 | 14 | 15 | 15 | 15 | 12 | 12 | 13 | 14 | 13 | 13 | 14 | 15 | 15 | 14 | 13 | 15 | 17 | 17 | 16 | 16 | |
Swell 1 Height (m) Direction Period (s) | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | SSE 11 | SE 7 | SE 7 | SE 6 |
 kJ | 2541 | 2638 | 2411 | 2137 | 1937 | 1750 | 1677 | 1422 | 1306 | 1025 | 903 | 715 | 599 | 505 | 418 | 411 | 110 | 127 | 103 | 145 | 586 | 149 | 135 | 78 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | E 9 | — | ESE 6 | ESE 6 | ESE 6 | E 6 | E 6 | SSE 11 | SSE 11 | S 11 | S 11 | ENE 7 | SSE 11 | ENE 7 | SSE 10 |
| kJ | — | — | — | — | — | — | — | — | — | 2 | — | 101 | 69 | 62 | 40 | 41 | 320 | 303 | 286 | 238 | 89 | 187 | 86 | 131 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 6 | SSE 6 | — | — | — | SE 6 | ENE 7 | ENE 7 | SSE 10 | ENE 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 26 | 26 | — | — | — | 26 | 97 | 71 | 136 | 65 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | E 5 | E 5 | E 6 | — | — | — | — | ESE 6 | E 6 | — | — | SW 4 | SSE 11 | SSE 7 | — | — |
| kJ | — | — | — | — | — | — | — | — | 47 | 42 | 91 | — | — | — | — | 131 | 200 | — | — | 12 | 954 | 294 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 13 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 38 | 0 | 0 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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