Surf Forecasts:
How big are the waves at Siriu today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 8ft (2.5m), 12s period with SSE swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 10ft (3.0m), 11s period with S swell.
- Evening surf: Evening surf (18 Oct, local time) - 10ft (3.0m), 10s period with S swell.
The current surf forecast for Siriu at 6AM is: 2.1m 11s primary swell from a South direction and 0.8m 10s secondary swell from a East-southeast direction (forecast issued at 02:00am October 18). An open ocean swell of 3.0m 11s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 8ft (2.5m) | 12s |
| Afternoon (18 Oct) | 10ft (3.0m) | 11s |
| Evening (18 Oct) | 10ft (3.0m) | 10s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Sun morning, min 12°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 18 | Monday 19 | Tuesday 20 | ||||||||||||||||||||||
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 10 | S 10 | S 11 | SSE 12 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1039 | 902 | 1056 | 1669 | 2604 | 1829 | 1769 | 1697 | 1665 | 1525 | 769 | 667 | 653 | 932 | 628 | 676 | 717 | 659 | 604 | 592 | 520 | 436 | 436 | 445 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-on | cross | cross-off | cross-off | cross-off | cross-off | off | glassy | cross-on | cross-on | cross | cross-off | off | off | off | glassy | on | on | cross-on | cross |
High Tide | 10:26PM0.29m | 11:22AM0.58m | 5:14PM0.48m | 11:34AM0.63m | 10:13PM0.47m | 11:50AM0.68m | ||||||||||||||||||
Low Tide | 1:28AM0.26m | 3:35PM0.47m | 3:01AM0.23m | 4:27PM0.41m | 4:06AM0.17m | 5:05PM0.35m | ||||||||||||||||||
 |  |  | |  | | | | | | | | |  | | | | | | | | | | | |
 | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:24 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 14 | 17 | 19 | 17 | 17 | 15 | 14 | 13 | 12 | 16 | 17 | 17 | 16 | 14 | 13 | 13 | 13 | 17 | 18 | 18 | 17 | 16 |
Feels °C | 13 | 12 | 11 | 13 | 15 | 13 | 12 | 12 | 12 | 10 | 9 | 15 | 14 | 14 | 14 | 11 | 11 | 12 | 11 | 17 | 17 | 17 | 17 | 15 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 11 | SSE 12 | SSE 12 | S 11 | S 11 | S 11 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
| kJ | 1039 | 902 | 1056 | 1669 | 1613 | 1293 | 1246 | 1201 | 1178 | 1007 | 769 | 667 | 653 | 603 | 628 | 676 | 717 | 659 | 604 | 592 | 520 | 436 | 436 | 445 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | ESE 11 | ESE 11 | ESE 11 |
| kJ | 144 | 150 | 131 | 141 | 150 | 150 | 139 | 108 | 110 | 75 | 74 | 71 | 50 | 47 | 45 | 29 | 29 | 28 | 28 | 16 | 15 | 40 | 39 | 38 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | NE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | NE 8 | NE 8 | E 11 | E 11 | NE 8 | NE 7 | NE 7 |
| kJ | — | — | — | — | — | — | 3 | 2 | 3 | 3 | 7 | 6 | 6 | 6 | 6 | 3 | 2 | 2 | 2 | 10 | 10 | 2 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | S 10 | SSW 10 | SSW 11 | — | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | — | — | — | S 10 | — | — | — | — | — | — | — | — | — | — |
| kJ | 1799 | 1608 | 2353 | — | 2604 | 1829 | 1769 | 1697 | 1665 | 1525 | — | — | — | 932 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 15 | 72 | 21 | 6 | 6 | 0 | 0 | 0 | 13 | 13 | 10 | 0 | 0 | 0 | 0 | 0 | 27 | 27 | 27 | 6 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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