Surf Forecasts:
How big are the waves at Extensions today (10 Oct):
- Morning surf: Morning surf (10 Oct, local time) - 8ft (2.5m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (10 Oct, local time) - 8ft (2.4m), 14s period with SW swell.
- Evening surf: Evening surf (10 Oct, local time) - 8ft (2.4m), 13s period with SW swell.
The current surf forecast for Extensions at 4AM is: 2.5m 12s primary swell from a West-southwest direction and 0.2m 18s secondary swell from a West-southwest direction (forecast issued at 01:00am October 10). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Oct) | 8ft (2.5m) | 12s |
| Afternoon (10 Oct) | 8ft (2.4m) | 14s |
| Evening (10 Oct) | 8ft (2.4m) | 13s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Mon afternoon. Very mild (max 17°C on Sun afternoon, min 14°C on Sat morning). Winds increasing (calm on Sun morning, fresh winds from the NNW by Mon morning). | ||||||||||||||||||||||||
Saturday 10 | Sunday 11 | Monday 12 | ||||||||||||||||||||||
2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 12 | WSW 12 | SW 12 | SSW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 11 | SW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2180 | 1857 | 1903 | 1442 | 2050 | 1932 | 1942 | 1791 | 1494 | 1149 | 956 | 1281 | 1169 | 1025 | 1025 | 945 | 1074 | 1142 | 1126 | 640 | 1189 | 1287 | 1082 | 782 |
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-off | cross-off | cross | cross-on | cross-on | on | glassy | cross-on | cross-on | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on |
High Tide | 2:47AM1.50m | 2:56PM1.64m | 3:18AM1.51m | 3:27PM1.62m | 3:49AM1.49m | 3:56PM1.56m | ||||||||||||||||||
Low Tide | 8:49AM0.10m | 9:15PM0.01m | 9:20AM0.11m | 9:44PM0.04m | 9:50AM0.14m | 10:12PM0.09m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | |  |  |  | |  |  |  | |
 | — | 6:11 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — |
Temp °C | 15 | 14 | 14 | 15 | 16 | 15 | 15 | 16 | 15 | 15 | 15 | 16 | 16 | 17 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 16 | 16 | 15 |
Feels °C | 11 | 10 | 11 | 13 | 14 | 13 | 15 | 15 | 14 | 14 | 15 | 15 | 15 | 16 | 14 | 15 | 14 | 12 | 12 | 11 | 11 | 13 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 12 | WSW 12 | SW 12 | SSW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 11 | SW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 |
| kJ | 2180 | 1857 | 1903 | 1442 | 2050 | 1932 | 1942 | 1791 | 1494 | 1149 | 956 | 1281 | 1169 | 1025 | 1025 | 945 | 1074 | 1142 | 1126 | 640 | 673 | 1287 | 1082 | 782 |
Swell 2 Height (m) Direction Period (s) | WSW 18 | E 10 | — | WSW 12 | WSW 12 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | W 12 | WSW 12 | WSW 12 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | WSW 10 |
| kJ | 31 | 8 | — | 887 | 598 | 1111 | 874 | 608 | 703 | 581 | 499 | 3 | 83 | 49 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 20 |
Swell 3 Height (m) Direction Period (s) | ESE 11 | — | — | WSW 15 | WSW 15 | E 10 | SE 4 | SE 5 | SE 4 | ESE 9 | W 12 | W 12 | W 12 | W 12 | — | — | — | — | — | — | — | — | — | ESE 10 |
| kJ | 11 | — | — | 179 | 222 | 7 | 10 | 10 | 5 | 9 | 3 | 3 | 3 | 3 | — | — | — | — | — | — | — | — | — | 11 |
Wind waves Height (m) Direction Period (s) | ESE 3 | SE 4 | SE 4 | ESE 4 | ESE 4 | SE 4 | — | — | — | — | — | — | — | — | — | — | — | NW 3 | NNW 3 | WNW 6 | WSW 11 | — | — | — |
| kJ | 8 | 19 | 16 | 20 | 12 | 9 | — | — | — | — | — | — | — | — | — | — | — | 4 | 8 | 166 | 1189 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 30 | 27 | 12 | 12 | 25 | 26 | 12 | 3 | 3 | 1 | 0 | 1 | 5 | 0 | 0 | 0 | 1 | 24 | 35 | 271 | 26 | 1 | 1 | 3 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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