Surf Forecasts:
How big are the waves at Siriu today (18 Sep):
- Afternoon surf: Afternoon surf (18 Sep, local time) - 3ft (0.9m), 9s period with SSE swell.
- Evening surf: Evening surf (18 Sep, local time) - 3ft (0.9m), 9s period with SSE swell.
The current surf forecast for Siriu at 10PM is: 0.8m 9s primary swell from a South-southeast direction and 0.4m 9s secondary swell from a East-southeast direction, 0.8m 5s secondary swell from a East-northeast direction (forecast issued at 02:00pm September 18). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | - | - |
| Afternoon (18 Sep) | 3ft (0.9m) | 9s |
| Evening (18 Sep) | 3ft (0.9m) | 9s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 54mm), heaviest during Sat night. Warm (max 23°C on Sun afternoon, min 17°C on Sat morning). Winds decreasing (fresh winds from the NNE on Sat night, calm by Mon morning). | ||||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||
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) | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | ENE 6 | E 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | NE 7 | ENE 8 | ENE 9 | NE 9 | ENE 9 | NE 10 | NE 10 | NE 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 154 | 147 | 124 | 121 | 113 | 136 | 91 | 312 | 312 | 197 | 229 | 299 | 503 | 785 | 848 | 1646 | 990 | 2308 | 1954 | 1785 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross |
High Tide | 12:07PM0.54m | 3:55PM0.52m | 11:52PM0.30m | 12:05PM0.59m | 11:20PM0.37m | 12:15PM0.64m | ||||||||||||||
Low Tide | 2:52PM0.52m | 9:45PM0.29m | 1:59AM0.29m | 9:41PM0.37m | 3:45AM0.24m | 5:46PM0.40m | ||||||||||||||
 | |  |  |  | | |  |  | | |  | | | | | |  | |  | |
 | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — |
 | — | — | 6:07 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:08 | — |
mm | — | — | — | — | 1 | 2 | 2 | 7 | 5 | 4 | 5 | 7 | 10 | 5 | 2 | 2 | — | — | — | — |
Temp °C | 21 | 20 | 18 | 18 | 18 | 18 | 18 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 20 | 23 | 21 | 20 |
Feels °C | 19 | 18 | 17 | 17 | 17 | 16 | 16 | 15 | 16 | 17 | 15 | 15 | 15 | 14 | 16 | 18 | 19 | 22 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | E 7 | ENE 7 | ENE 7 | SSE 9 | SSE 9 | SSE 8 | SSE 12 | SSE 11 | SSE 11 | ENE 9 | S 12 | ENE 10 | ENE 10 | ENE 10 |
| kJ | 154 | 147 | 124 | 121 | 113 | 88 | 91 | 223 | 203 | 26 | 25 | 14 | 49 | 25 | 25 | 947 | 11 | 1314 | 1163 | 1003 |
Swell 2 Height (m) Direction Period (s) | E 10 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | SSE 13 | SSE 9 | S 9 | S 9 | SSE 13 | SSE 13 | SSE 12 | E 12 | — | S 8 | S 12 | — | S 12 | S 11 | S 11 |
| kJ | 30 | 29 | 28 | 26 | 24 | 18 | 64 | 57 | 40 | 32 | 31 | 30 | 3 | — | 1 | 11 | — | 11 | 10 | 9 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SE 14 | S 13 | SSE 13 | SSE 13 | SSE 13 | S 12 | SSE 8 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 7 | 14 | 17 | 17 | 31 | 23 | 12 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 4 | NE 4 | NE 5 | NE 5 | ENE 6 | ENE 6 | NE 6 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | NE 7 | ENE 8 | ENE 9 | NE 9 | ENE 9 | NE 10 | NE 10 | NE 10 |
| kJ | 4 | 9 | 12 | 27 | 53 | 136 | 91 | 312 | 312 | 197 | 229 | 299 | 503 | 785 | 848 | 1646 | 990 | 2308 | 1954 | 1785 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 27 | 27 | 9 | 27 | 27 | 27 | 16 | 16 | 16 | 16 | 502 | 501 | 480 | 236 | 236 | 39 | 113 | 39 | 39 | 25 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
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