Surf Forecasts:
How big are the waves at Siriu today (09 Aug):
- Morning surf: Morning surf (09 Aug, local time) - 6ft (1.8m), 8s period with S swell.
- Afternoon surf: Afternoon surf (09 Aug, local time) - 7.5ft (2.3m), 11s period with S swell.
- Evening surf: Evening surf (09 Aug, local time) - 6ft (1.9m), 11s period with SSE swell.
The current surf forecast for Siriu at 3AM is: 2.2m 12s primary swell from a South direction and 1.6m 12s secondary swell from a South direction, 0.8m 7s secondary swell from a East-northeast direction (forecast issued at 08:00pm August 08). The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Aug) | 6ft (1.8m) | 8s |
| Afternoon (09 Aug) | 7.5ft (2.3m) | 11s |
| Evening (09 Aug) | 6ft (1.9m) | 11s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Sun afternoon. Very mild (max 18°C on Sat night, min 10°C on Sun afternoon). Wind will be generally light. | ||||||||||||||||||
Sat 8 | Sunday 9 | Monday 10 | ||||||||||||||||
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 |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | SSE 13 | SSE 13 | SSE 13 | S 12 | SSE 12 | S 8 | S 8 | S 11 | S 11 | SSE 11 | SSE 12 | SSE 12 | SSE 12 | S 12 | S 12 | S 12 | S 12 | SSE 12 |
Wave Graph  | ||||||||||||||||||
 kJ | 989 | 811 | 762 | 1424 | 406 | 418 | 887 | 1165 | 1188 | 878 | 995 | 1100 | 992 | 1378 | 1355 | 1424 | 1392 | 1082 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off |
High Tide | 00:42AM0.45m | 1:43PM0.81m | 00:39AM0.49m | 2:19PM0.83m | ||||||||||||||
Low Tide | 6:53PM0.31m | 6:02AM0.10m | 7:33PM0.30m | 6:52AM0.01m | 8:05PM0.31m | |||||||||||||
 |  |  | | |  |  |  |  |  | |  | | | | | | | |
 | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:49 | — | — | — | — | — | — | — | 5:49 | — | — |
mm | 2 | — | — | — | — | — | — | 1 | 6 | 1 | 1 | — | — | — | — | — | — | — |
Temp °C | 17 | 18 | 16 | 16 | 15 | 14 | 14 | 12 | 10 | 11 | 10 | 11 | 11 | 11 | 13 | 15 | 14 | 13 |
Feels °C | 16 | 19 | 14 | 13 | 11 | 9 | 10 | 8 | 8 | 8 | 7 | 8 | 7 | 7 | 9 | 10 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | SSE 13 | SSE 13 | SSE 13 | S 12 | SSE 12 | SSE 12 | S 8 | S 9 | SSE 11 | SSE 11 | SSE 12 | SSE 12 | SSE 12 | S 12 | S 12 | S 12 | S 12 | SSE 12 |
| kJ | 989 | 811 | 762 | 799 | 406 | 333 | 465 | 417 | 862 | 878 | 995 | 1100 | 992 | 855 | 855 | 1020 | 988 | 1082 |
Swell 2 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | SSE 12 | SSE 11 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 8 |
| kJ | 112 | 82 | 69 | 62 | 47 | 43 | 237 | 296 | 30 | 31 | 32 | 32 | 22 | 22 | 19 | 26 | 45 | 41 |
Swell 3 Height (m) Direction Period (s) | ENE 5 | NE 5 | — | — | — | E 15 | ENE 7 | ENE 7 | — | E 13 | E 13 | E 13 | — | — | — | — | — | — |
| kJ | 19 | 20 | — | — | — | 4 | 30 | 30 | — | 4 | 3 | 3 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 4 | — | SSW 3 | S 12 | S 8 | S 8 | S 8 | S 11 | S 11 | — | — | — | — | S 12 | S 12 | S 12 | S 12 | — |
| kJ | 13 | — | 2 | 1424 | 291 | 418 | 887 | 1165 | 1188 | — | — | — | — | 1378 | 1355 | 1424 | 1392 | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 13 | 13 | 65 | 56 | 56 | 38 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 38 | 21 | 0 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
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