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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 Saturday 23 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
19.6° 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 4AM is: 1.2m 11s primary swell from a South-southeast direction and 0.8m 6s secondary swell from a East direction (forecast issued at 08:00pm May 23). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 May) | 5ft (1.5m) | 11s |
| Afternoon (24 May) | 3ft (0.9m) | 11s |
| Evening (24 May) | 3ft (0.9m) | 10s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 16mm), heaviest on Tue afternoon. Warm (max 21°C on Tue morning, min 15°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 23 | Sunday 24 | Monday 25 | Tuesday 26 | |||||||||||||||||||||
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 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | S 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | ESE 7 | ESE 7 | ESE 7 | SE 17 | SSE 16 | SSE 16 | SSE 15 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | |
486 | 411 | 376 | 303 | 423 | 485 | 233 | 187 | 170 | 163 | 163 | 129 | 128 | 124 | 295 | 539 | 966 | 857 | 756 | 577 | 447 | 379 | 308 | 232 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | glassy | glassy | cross-off | cross-off | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross-off | cross | glassy | |
High Tide | 11:54PM0.61m | 6:16AM0.53m | 00:07AM0.57m | 8:32AM0.53m | 11:55PM0.55m | 10:44AM0.58m | ||||||||||||||||||
Low Tide | 3:37AM0.49m | 3:37PM0.20m | 4:20AM0.42m | 4:33PM0.22m | 5:00AM0.34m | |||||||||||||||||||
 | |  | | |  |  |  |  | | | | | | | | |  |  | | |  |  | | |
 | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — |
 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 |
— | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 3 | 2 | 2 | |
Temp °C | 16 | 16 | 15 | 15 | 15 | 17 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 18 | 19 | 20 | 19 | 18 | 18 | 18 | 18 | 19 | 21 | 21 |
16 | 16 | 14 | 14 | 13 | 15 | 16 | 18 | 17 | 18 | 17 | 16 | 16 | 18 | 19 | 19 | 18 | 17 | 17 | 17 | 17 | 19 | 22 | 24 | |
Swell 1 Height (m) Direction Period (s) | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 7 | SE 7 | SE 6 | SE 6 | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | SSE 16 | SSE 16 | SSE 15 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 |
 kJ | 486 | 411 | 376 | 303 | 423 | 485 | 163 | 135 | 88 | 94 | 99 | 129 | 128 | 124 | 93 | 539 | 966 | 857 | 756 | 577 | 447 | 379 | 308 | 232 |
Swell 2 Height (m) Direction Period (s) | E 5 | SE 6 | ESE 6 | E 6 | E 7 | E 7 | S 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 10 | SSE 10 | SSE 9 | ESE 6 | E 6 | E 6 | E 6 | E 6 | E 6 | ENE 5 | ESE 6 | NE 5 |
| kJ | 13 | 33 | 72 | 49 | 70 | 79 | 233 | 187 | 170 | 163 | 163 | 128 | 120 | 123 | 92 | 68 | 49 | 46 | 33 | 33 | 31 | 29 | 23 | 14 |
Swell 3 Height (m) Direction Period (s) | SE 6 | ENE 5 | E 6 | SSE 6 | — | ENE 7 | ENE 7 | E 7 | E 7 | ENE 7 | ENE 7 | SE 20 | SSE 19 | SE 18 | SE 17 | S 9 | — | ENE 6 | E 14 | E 13 | NE 6 | E 13 | — | ESE 7 |
| kJ | 15 | 9 | 46 | 43 | — | 82 | 84 | 86 | 66 | 49 | 47 | 15 | 35 | 112 | 295 | 85 | — | 4 | 4 | 4 | 1 | 3 | — | 19 |
Wind waves Height (m) Direction Period (s) | — | — | — | SW 3 | SW 3 | SSE 7 | — | — | — | — | — | — | — | — | — | E 6 | — | NE 6 | NNE 6 | NNE 4 | NNE 4 | NNE 4 | NE 4 | NNE 5 |
| kJ | — | — | — | 9 | 1 | 186 | — | — | — | — | — | — | — | — | — | 63 | — | 11 | 22 | 14 | 16 | 22 | 16 | 30 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 6 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 0 | 6 | 0 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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