Surf Forecasts:
How big are the waves at Extensions today (11 Oct):
- Morning surf: Morning surf (11 Oct, local time) - 6ft (1.8m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (11 Oct, local time) - 6ft (1.9m), 12s period with SW swell.
- Evening surf: Evening surf (11 Oct, local time) - 6ft (1.9m), 12s period with SW swell.
The current surf forecast for Extensions at 8PM is: 1.9m 12s primary swell from a Southwest direction (forecast issued at 01:00pm October 11). An open ocean swell of 0.2m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Oct) | 6ft (1.8m) | 12s |
| Afternoon (11 Oct) | 6ft (1.9m) | 12s |
| Evening (11 Oct) | 6ft (1.9m) | 12s |
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 13°C on Tue night). Winds decreasing (fresh winds from the NW on Mon afternoon, calm by Tue night). | |||||||||||||||||||||
Sun 11 | Monday 12 | Tuesday 13 | |||||||||||||||||||
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 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | SW 10 | SW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1281 | 1059 | 1025 | 1025 | 1007 | 1074 | 1037 | 911 | 829 | 1100 | 1040 | 940 | 945 | 970 | 1060 | 1060 | 990 | 873 | 748 | 711 | 648 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross | cross-off | glassy | cross-on | cross-on | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross | cross-off |
High Tide | 3:27PM1.62m | 3:49AM1.49m | 3:56PM1.56m | 4:18AM1.44m | 4:26PM1.47m | ||||||||||||||||
Low Tide | 9:20AM0.11m | 9:44PM0.04m | 9:50AM0.14m | 10:12PM0.09m | 10:20AM0.21m | 10:41PM0.18m | |||||||||||||||
 | | |  | |  | |  | | |  |  | |  | |  | | | | | | |
 | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | 6:55 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 17 | 17 | 15 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 |
Feels °C | 15 | 16 | 16 | 16 | 16 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 14 | 13 | 11 | 11 | 12 | 11 | 10 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | SW 10 | SW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 |
| kJ | 1281 | 1059 | 1025 | 1025 | 1007 | 1074 | 1037 | 911 | 829 | 1100 | 1040 | 940 | 945 | 970 | 1060 | 1060 | 990 | 873 | 748 | 711 | 648 |
Swell 2 Height (m) Direction Period (s) | W 12 | W 12 | WSW 12 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | — | ESE 10 | ESE 10 | ESE 10 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 |
| kJ | 3 | 3 | 49 | 9 | 8 | 9 | 9 | 9 | 10 | — | 10 | 10 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Swell 3 Height (m) Direction Period (s) | W 12 | W 12 | W 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | NW 3 | NNW 4 | NNW 4 | N 4 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 6 | 14 | 24 | 4 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 3 | 5 | 0 | 0 | 1 | 1 | 35 | 24 | 25 | 5 | 20 | 3 | 1 | 5 | 5 | 1 | 20 | 20 | 12 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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