Surf Forecasts:
How big are the waves at Siriu today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 2.5ft (0.8m), 12s period with S swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 3.5ft (1.0m), 15s period with SSE swell.
- Evening surf: Evening surf (10 Sep, local time) - 3ft (0.9m), 13s period with SSE swell.
The current surf forecast for Siriu at 6AM is: 0.9m 12s primary swell from a South-southeast direction and 1.0m 8s secondary swell from a East direction (forecast issued at 02:00am September 10). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 2.5ft (0.8m) | 12s |
| Afternoon (10 Sep) | 3.5ft (1.0m) | 15s |
| Evening (10 Sep) | 3ft (0.9m) | 13s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 38mm), heaviest during Fri afternoon. Warm (max 21°C on Thu afternoon, min 14°C on Sat night). Winds increasing (calm on Thu afternoon, fresh winds from the SSW by Fri night). | ||||||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | ||||||||||||||||||||||
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 12 | S 12 | SSE 12 | S 12 | SSE 15 | SSE 15 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | NE 7 | NE 7 | ENE 7 | NE 7 | NE 8 | ENE 8 | ENE 8 | ENE 8 | S 8 | S 9 | S 9 | S 9 | S 9 | SSE 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 284 | 294 | 240 | 184 | 207 | 456 | 346 | 295 | 225 | 205 | 194 | 215 | 146 | 160 | 205 | 126 | 119 | 73 | 466 | 548 | 1007 | 588 | 759 | 755 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | cross-on | on | glassy | cross-off | glassy | glassy | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 2:10PM0.72m | 1:11AM0.77m | 2:12PM0.69m | 1:42AM0.80m | 2:21PM0.67m | |||||||||||||||||||
Low Tide | 7:52AM-0.05m | 8:12PM0.30m | 8:25AM-0.01m | 8:30PM0.27m | 8:55AM0.05m | 8:43PM0.24m | ||||||||||||||||||
 | | |  | |  | | | |  | |  | | |  |  |  | | | | | |  | | |
 | — | — | 6:18 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — |
 | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — |
mm | 1 | 2 | 1 | — | — | — | — | 1 | 5 | 2 | 3 | 5 | 5 | 4 | 12 | — | — | — | — | — | — | — | 1 | — |
Temp °C | 16 | 16 | 16 | 17 | 19 | 21 | 19 | 18 | 18 | 18 | 18 | 19 | 20 | 20 | 19 | 19 | 18 | 16 | 15 | 16 | 18 | 17 | 16 | 16 |
Feels °C | 18 | 17 | 17 | 19 | 20 | 23 | 22 | 19 | 20 | 20 | 19 | 19 | 20 | 22 | 18 | 20 | 15 | 11 | 11 | 12 | 14 | 13 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | S 12 | S 11 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | S 8 | S 9 | S 9 | E 8 | SSE 9 | SSE 9 |
| kJ | 157 | 153 | 124 | 121 | 105 | 131 | 131 | 128 | 153 | 121 | 125 | 134 | 99 | 66 | 150 | 126 | 119 | 73 | 466 | 548 | 580 | 51 | 530 | 541 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | SSE 12 | S 12 | S 12 | SSE 15 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | S 12 | S 12 | ESE 13 | ESE 13 | S 11 | SSE 11 | ESE 12 | SSE 11 | ENE 8 | ENE 8 | ENE 8 | ESE 11 | ENE 8 | ENE 8 |
| kJ | 284 | 294 | 240 | 184 | 174 | 456 | 346 | 295 | 225 | 205 | 144 | 103 | 17 | 17 | 63 | 40 | 15 | 37 | 51 | 38 | 39 | 13 | 54 | 54 |
Swell 3 Height (m) Direction Period (s) | E 15 | E 14 | SE 16 | SSE 16 | SSE 15 | E 14 | E 13 | E 14 | E 14 | E 14 | E 13 | E 13 | S 7 | S 7 | S 7 | S 6 | — | ESE 12 | ESE 12 | ESE 12 | SE 12 | — | E 12 | — |
| kJ | 4 | 4 | 69 | 144 | 207 | 4 | 4 | 4 | 4 | 15 | 14 | 13 | 3 | 3 | 3 | 3 | — | 14 | 14 | 14 | 6 | — | 3 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NE 8 | NE 8 | NE 7 | NE 7 | — | NE 7 | NE 7 | ENE 7 | NE 7 | NE 8 | — | S 11 | S 6 | SSW 8 | S 8 | S 9 | S 9 | S 9 | SSE 9 |
| kJ | — | — | — | — | — | 186 | 169 | 217 | 211 | — | 194 | 215 | 146 | 160 | 205 | — | 238 | 220 | 952 | 921 | 1007 | 588 | 759 | 755 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 9 | 16 | 0 | 0 | 0 | 0 | 6 | 9 | 9 | 9 | 33 | 0 | 31 | 15 | 10 | 13 | 13 | 38 | 38 | 0 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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