Surf Forecasts:
How big are the waves at Extensions today (15 Oct):
- Morning surf: Morning surf (15 Oct, local time) - 13ft (4.0m), 14s period with WSW swell.
- Afternoon surf: Afternoon surf (15 Oct, local time) - 11ft (3.5m), 14s period with WSW swell.
- Evening surf: Evening surf (15 Oct, local time) - 8ft (2.5m), 14s period with SW swell.
The current surf forecast for Extensions at 8AM is: 4.0m 14s primary swell from a West-southwest direction and 1.3m 5s secondary swell from a North-northwest direction (forecast issued at 01:00am October 15). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Oct) | 13ft (4.0m) | 14s |
| Afternoon (15 Oct) | 11ft (3.5m) | 14s |
| Evening (15 Oct) | 8ft (2.5m) | 14s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Sat morning. Very mild (max 18°C on Fri morning, min 12°C on Sat night). Winds increasing (light winds from the NW on Fri night, strong winds from the SE by Sat night). | ||||||||||||||||||||||||
Thursday 15 | Friday 16 | Saturday 17 | ||||||||||||||||||||||
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) | WSW 13 | SW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | W 11 | W 11 | W 11 | W 10 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 4309 | 5377 | 6448 | 5381 | 4771 | 3989 | 2424 | 2006 | 1537 | 1228 | 1021 | 918 | 890 | 804 | 703 | 672 | 855 | 1149 | 2362 | 2702 | 2630 | 2397 | 2449 | 2196 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:19AM1.26m | 5:27PM1.25m | 5:54AM1.16m | 6:02PM1.13m | 6:40AM1.06m | 6:52PM1.02m | ||||||||||||||||||
Low Tide | 11:09PM0.28m | 11:19AM0.39m | 11:40PM0.38m | 11:53AM0.50m | 00:18AM0.49m | 12:39PM0.61m | ||||||||||||||||||
 | |  | |  | | |  | | | | | | |  | | | |  | | | | | | |
 | — | 6:05 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 2 | 1 | — | — |
Temp °C | 14 | 13 | 14 | 16 | 17 | 16 | 15 | 16 | 16 | 16 | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 15 | 13 | 13 | 13 | 12 | 12 |
Feels °C | 9 | 6 | 7 | 9 | 10 | 10 | 11 | 12 | 12 | 12 | 13 | 13 | 14 | 15 | 15 | 16 | 17 | 15 | 13 | 7 | 7 | 7 | 4 | 4 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | SW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | SW 14 | SW 14 | SW 13 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 |
| kJ | 4309 | 5377 | 6448 | 5381 | 4771 | 3989 | 2424 | 2006 | 1537 | 1011 | 850 | 918 | 890 | 804 | 703 | 592 | 855 | 1149 | 2362 | 2702 | 2630 | 2397 | 2449 | 2196 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | W 12 | W 12 | W 12 | W 12 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | W 10 | W 10 | W 10 | W 10 | WNW 10 | W 10 | — | WSW 15 |
| kJ | — | — | — | — | — | 396 | 1435 | 1236 | 1174 | 1228 | 1021 | 851 | 666 | 574 | 565 | 672 | 443 | 379 | 296 | 234 | 96 | 49 | — | 422 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 15 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 75 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | N 4 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | — | — | — | — | — | W 11 | W 11 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 39 | 81 | 117 | 125 | 46 | — | — | — | — | — | 515 | 585 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 35 | 41 | 92 | 92 | 400 | 25 | 25 | 35 | 35 | 30 | 35 | 24 | 24 | 24 | 1 | 1 | 1 | 1 | 20 | 47 | 187 | 454 | 597 | 41 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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