Surf Forecasts:
How big are the waves at Siriu today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 1.5ft (0.5m), 12s period with SSE swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 2.5ft (0.7m), 12s period with SSE swell.
- Evening surf: Evening surf (31 Jul, local time) - 2.5ft (0.7m), 11s period with S swell.
The current surf forecast for Siriu at 9AM is: 0.5m 12s primary swell from a South-southeast direction and 0.6m 8s secondary swell from a South direction, 0.3m 2s secondary swell from a North-northeast direction (forecast issued at 02:00am July 31). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 1.5ft (0.5m) | 12s |
| Afternoon (31 Jul) | 2.5ft (0.7m) | 12s |
| Evening (31 Jul) | 2.5ft (0.7m) | 11s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 22°C on Sat afternoon, min 16°C on Fri night). Winds decreasing (fresh winds from the NNE on Fri afternoon, calm by Sun night). | ||||||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | S 9 | S 8 | SSE 13 | SSE 12 | S 12 | SSE 12 | SSE 11 | S 11 | S 11 | S 11 | NE 6 | ENE 6 | ENE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 101 | 92 | 93 | 87 | 104 | 145 | 173 | 114 | 112 | 58 | 105 | 128 | 145 | 183 | 163 | 168 | 210 | 346 | 164 | 157 | 161 | 138 | 128 | 131 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross-off |
High Tide | 3:23PM0.73m | 2:51AM0.78m | 3:50PM0.71m | 3:26AM0.77m | 4:19PM0.67m | |||||||||||||||||||
Low Tide | 9:28AM-0.01m | 9:47PM0.30m | 10:04AM0.02m | 10:20PM0.31m | 10:45AM0.07m | |||||||||||||||||||
 | | |  | | | | | | |  | | | | | | | |  |  | | | | | |
 | — | — | 6:56 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — |
 | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 16 | 18 | 20 | 20 | 18 | 16 | 16 | 16 | 17 | 19 | 21 | 22 | 18 | 17 | 18 | 18 | 18 | 19 | 19 | 20 | 17 | 17 |
Feels °C | 16 | 16 | 13 | 15 | 16 | 16 | 14 | 12 | 12 | 13 | 14 | 16 | 17 | 18 | 14 | 14 | 15 | 17 | 17 | 17 | 18 | 20 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 8 | S 8 | S 8 | S 8 | SSE 12 | SSE 11 | S 11 | ENE 5 | ENE 6 | S 11 | SSE 10 | SSE 10 | SSE 10 | S 10 | S 10 | S 10 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 101 | 92 | 69 | 50 | 51 | 145 | 173 | 114 | 29 | 43 | 57 | 36 | 34 | 20 | 8 | 8 | 8 | 191 | 164 | 157 | 161 | 138 | 128 | 131 |
Swell 2 Height (m) Direction Period (s) | ENE 7 | SSE 13 | SSE 13 | SSE 12 | S 12 | S 7 | ENE 7 | ENE 7 | S 11 | S 11 | — | — | E 11 | S 9 | S 8 | S 9 | S 9 | S 10 | S 10 | S 10 | S 10 | S 10 | SSW 4 | S 4 |
| kJ | 19 | 66 | 93 | 87 | 104 | 9 | 9 | 5 | 112 | 58 | — | — | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 4 | 3 |
Swell 3 Height (m) Direction Period (s) | SSE 14 | ENE 7 | ENE 7 | ENE 7 | ESE 5 | E 8 | E 8 | — | NE 7 | SSE 8 | — | SE 9 | E 11 | — | — | — | — | — | — | — | — | — | S 10 | S 10 |
| kJ | 62 | 20 | 19 | 19 | 2 | 1 | 1 | — | 2 | 22 | — | 3 | 2 | — | — | — | — | — | — | — | — | — | 2 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | N 2 | NNE 2 | NE 7 | NE 4 | NE 4 | NE 4 | N 4 | N 4 | NE 6 | ENE 6 | ENE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | — | SW 2 | SSW 3 | SSW 4 | SSW 4 | — |
| kJ | — | — | 1 | 1 | 47 | 24 | 23 | 31 | 9 | 10 | 105 | 128 | 145 | 183 | 163 | 168 | 210 | 346 | — | 1 | 1 | 3 | 11 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 6 | 18 | 20 | 27 | 27 | 27 | 27 | 27 | 27 | 33 | 48 | 106 | 269 | 191 | 91 | 39 | 9 | 6 | 15 | 15 | 15 | 15 | 0 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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