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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 pm Sunday 26 Apr 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
23.7° C
(Which is slightly warmer than usual)How big are the waves at Siriu today?
The current surf forecast for Siriu at 11PM is: 0.6m 7s primary swell from a East-northeast direction and 0.3m 8s secondary swell from a South direction, 0.6m 4s secondary swell from a North direction (forecast issued at 02:00pm April 26). The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Apr) | - | - |
| Afternoon (26 Apr) | 2ft (0.6m) | 7s |
| Evening (26 Apr) | 1.5ft (0.4m) | 9s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 29mm), heaviest during Tue night. Warm (max 23°C on Sun afternoon, min 17°C on Tue afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Sun 26 | Monday 27 | Tuesday 28 | Wed 29 | |||||||||||||||||||||
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 | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 9 | ENE 7 | ENE 7 | S 9 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | S 6 | S 7 | S 8 | S 9 | S 9 | S 9 | S 11 | S 12 | S 12 | S 11 | S 11 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | |
25 | 29 | 30 | 23 | 34 | 29 | 20 | 17 | 21 | 72 | 465 | 854 | 836 | 492 | 655 | 668 | 520 | 403 | 282 | 1060 | 1089 | 1026 | 1011 | 874 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | glassy | glassy | glassy | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross | cross | cross | cross | cross-off | cross | glassy | cross-on | glassy | glassy | glassy | glassy | off | glassy | |
High Tide | 10:53AM0.51m | 00:51AM0.66m | 11:19AM0.60m | 00:42AM0.64m | 11:53AM0.67m | 00:37AM0.65m | ||||||||||||||||||
Low Tide | 5:18PM0.12m | 5:56AM0.36m | 6:01PM0.11m | 6:22AM0.28m | 6:38PM0.12m | 6:48AM0.22m | ||||||||||||||||||
 |  |  | |  | | |  | | | | | | | | | | | |  | |  | |  | |
 | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:39 | — |
 | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | 5:44 |
— | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 14 | 2 | 1 | |
Temp °C | 24 | 23 | 23 | 22 | 22 | 21 | 21 | 22 | 23 | 22 | 19 | 19 | 19 | 18 | 18 | 19 | 20 | 20 | 17 | 17 | 17 | 18 | 19 | 19 |
25 | 25 | 27 | 25 | 24 | 23 | 23 | 24 | 23 | 21 | 17 | 16 | 16 | 15 | 16 | 17 | 19 | 19 | 17 | 18 | 18 | 20 | 21 | 21 | |
Swell 1 Height (m) Direction Period (s) | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | S 6 | E 7 | S 9 | S 10 | S 9 | S 9 | S 11 | S 12 | S 12 | S 11 | S 11 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 |
 kJ | 23 | 29 | 30 | 16 | 34 | 29 | 20 | 17 | 21 | 17 | 343 | 575 | 551 | 492 | 655 | 668 | 520 | 403 | 282 | 1060 | 1089 | 1026 | 1011 | 874 |
Swell 2 Height (m) Direction Period (s) | S 5 | S 9 | S 9 | NE 4 | S 8 | S 6 | S 5 | S 5 | ENE 7 | SSE 10 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | SSE 14 | E 8 | E 8 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 7 | 14 | 23 | 4 | 12 | 5 | 5 | 5 | 18 | 11 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 19 | 239 | 19 | 30 | 30 | 36 | 58 |
Swell 3 Height (m) Direction Period (s) | S 9 | S 4 | ESE 7 | S 9 | ESE 7 | S 8 | SSE 10 | SSE 10 | SSE 10 | NNE 5 | — | — | — | — | SE 11 | SE 11 | SE 10 | SE 11 | E 8 | E 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
| kJ | 25 | 3 | 5 | 23 | 4 | 5 | 10 | 10 | 11 | 2 | — | — | — | — | 4 | 5 | 4 | 5 | 19 | 30 | 17 | 16 | 15 | 15 |
Wind waves Height (m) Direction Period (s) | — | N 3 | N 4 | N 4 | — | SW 3 | SW 3 | S 4 | S 6 | S 7 | S 8 | S 9 | S 9 | — | — | — | — | — | — | — | — | — | — | S 4 |
| kJ | — | 8 | 10 | 10 | — | 2 | 2 | 8 | 40 | 72 | 465 | 854 | 836 | — | — | — | — | — | — | — | — | — | — | 9 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 0 | 0 | 0 | 0 | 9 | 560 | 9 | 38 | 688 | 10 | 10 | 10 | 10 | 0 | 10 | 0 | 15 | 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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