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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 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 7PM is: 0.8m 11s primary swell from a South-southeast direction and 0.6m 5s secondary swell from a Northeast direction, 0.9m 4s secondary swell from a North-northeast direction (forecast issued at 02:00pm May 26). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 May) | - | - |
| 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 2mm), mostly falling on Tue afternoon. Warm (max 21°C on Tue afternoon, min 14°C on Wed night). Winds increasing (calm on Tue afternoon, fresh winds from the SSW by Wed afternoon). | ||||||||||||||||||||||||
Tue 26 | Wednesday 27 | Thursday 28 | Fri 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 |    |    |    |    | ||||||||||||||||||||
SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | S 6 | S 8 | S 8 | S 9 | S 9 | S 9 | S 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | ESE 7 | ESE 7 | ESE 7 | |
308 | 232 | 176 | 164 | 123 | 121 | 98 | 363 | 980 | 1331 | 1075 | 837 | 623 | 390 | 300 | 247 | 181 | 156 | 115 | 102 | 102 | 57 | 61 | 59 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | glassy | cross-off | off | off | off | glassy | |
High Tide | 10:44AM0.58m | 11:32PM0.56m | 11:39AM0.63m | 11:41PM0.58m | 12:21PM0.67m | 00:04AM0.60m | ||||||||||||||||||
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 | — |
 | — | 5:28 | — | — | — | — | — | — | — | 5:27 | — | — | — | — | — | — | — | 5:27 | — | — | — | — | — | 5:27 |
1 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 21 | 20 | 18 | 18 | 18 | 16 | 17 | 20 | 20 | 17 | 15 | 15 | 14 | 14 | 16 | 19 | 18 | 16 | 15 | 15 | 15 | 15 | 17 |
18 | 21 | 23 | 18 | 19 | 16 | 13 | 14 | 16 | 15 | 13 | 11 | 12 | 11 | 12 | 15 | 19 | 17 | 17 | 15 | 15 | 15 | 15 | 17 | |
Swell 1 Height (m) Direction Period (s) | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | S 8 | S 8 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | ESE 7 | ESE 7 | ESE 7 |
 kJ | 308 | 232 | 176 | 164 | 123 | 121 | 91 | 363 | 572 | 845 | 740 | 573 | 468 | 390 | 300 | 247 | 181 | 156 | 115 | 102 | 102 | 57 | 61 | 59 |
Swell 2 Height (m) Direction Period (s) | E 13 | ESE 7 | NE 5 | NE 5 | NE 5 | NE 5 | NE 5 | E 7 | E 7 | E 7 | E 7 | E 7 | — | E 9 | E 8 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 6 | SSE 9 | SSE 9 |
| kJ | 3 | 26 | 17 | 13 | 11 | 12 | 6 | 8 | 4 | 4 | 4 | 1 | — | 1 | 1 | 19 | 19 | 18 | 17 | 17 | 16 | 11 | 16 | 16 |
Swell 3 Height (m) Direction Period (s) | E 12 | E 12 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ENE 5 | NE 5 | — | — | E 9 | — | E 9 | S 10 | SSE 10 | ENE 8 | ENE 8 | NE 8 | NE 8 | SSE 12 | SSE 9 | SSE 11 | SSE 12 |
| kJ | 3 | 3 | 15 | 15 | 15 | 15 | 9 | 2 | 1 | — | — | 2 | — | 1 | 8 | 10 | 6 | 6 | 2 | 2 | 14 | 16 | 13 | 13 |
Wind waves Height (m) Direction Period (s) | ENE 7 | NNE 4 | NNE 4 | — | — | SSW 3 | S 6 | SSW 8 | S 8 | S 9 | S 9 | S 9 | S 8 | — | — | — | — | S 6 | — | — | — | — | — | — |
| kJ | 48 | 13 | 34 | — | — | 3 | 98 | 657 | 980 | 1331 | 1075 | 837 | 623 | — | — | — | — | 38 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 18 | 6 | 0 | 0 | 0 | 10 | 10 | 10 | 13 | 21 | 13 | 10 | 0 | 0 | 0 | 0 | 9 | 38 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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