Surf Forecasts:
How big are the waves at Extensions today (16 Oct):
- Morning surf: Morning surf (16 Oct, local time) - 5.5ft (1.7m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (16 Oct, local time) - 6ft (1.9m), 11s period with W swell.
- Evening surf: Evening surf (16 Oct, local time) - 6ft (1.8m), 10s period with W swell.
The current surf forecast for Extensions at 2AM is: 2.1m 13s primary swell from a Southwest direction and 2.1m 12s secondary swell from a West direction (forecast issued at 07:00pm October 15). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Oct) | 5.5ft (1.7m) | 13s |
| Afternoon (16 Oct) | 6ft (1.9m) | 11s |
| Evening (16 Oct) | 6ft (1.8m) | 10s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Sat morning. Very mild (max 18°C on Fri morning, min 12°C on Sat night). Mainly fresh winds. | |||||||||||||||||||
Thu 15 | Friday 16 | Saturday 17 | |||||||||||||||||
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 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 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 4618 | 2424 | 2006 | 1537 | 1228 | 961 | 851 | 804 | 723 | 663 | 614 | 723 | 882 | 1952 | 2290 | 2044 | 2146 | 2146 | 2196 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:27PM1.25m | 5:54AM1.16m | 6:02PM1.13m | 6:40AM1.06m | 6:52PM1.02m | ||||||||||||||
Low Tide | 11:40PM0.38m | 11:53AM0.50m | 00:18AM0.49m | 12:39PM0.61m | |||||||||||||||
 |  | | | | | |  |  |  | |  |  |  | | | | | | |
 | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | 6:59 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 3 | 1 | — | — | — |
Temp °C | 16 | 16 | 16 | 16 | 16 | 16 | 18 | 18 | 18 | 17 | 17 | 17 | 15 | 14 | 13 | 13 | 13 | 12 | 12 |
Feels °C | 10 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 14 | 15 | 15 | 13 | 10 | 8 | 7 | 6 | 5 | 5 |
Swell 1 Height (m) Direction Period (s) | WSW 14 | SW 14 | SW 14 | SW 13 | W 11 | W 11 | SW 13 | SW 12 | W 11 | W 10 | W 10 | W 10 | SW 12 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 4618 | 2424 | 2006 | 1537 | 994 | 941 | 851 | 666 | 723 | 663 | 598 | 510 | 882 | 1952 | 2290 | 2044 | 2146 | 2146 | 2196 |
Swell 2 Height (m) Direction Period (s) | W 12 | W 12 | W 12 | W 12 | SW 13 | SW 13 | — | — | SW 12 | SW 12 | SW 12 | SW 12 | W 10 | W 10 | W 10 | WNW 10 | WNW 10 | — | WSW 15 |
| kJ | 333 | 1435 | 1249 | 1174 | 1228 | 961 | — | — | 574 | 511 | 614 | 723 | 443 | 284 | 204 | 163 | 19 | — | 121 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SW 15 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 77 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 12 | — | — | — | — | — | W 11 | W 11 | — | — | NNW 3 | — | — | SSW 4 | — | — | — | — | — |
| kJ | 1928 | — | — | — | — | — | 846 | 804 | — | — | 2 | — | — | 24 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 25 | 25 | 30 | 1 | 1 | 1 | 24 | 20 | 24 | 1 | 24 | 1 | 20 | 26 | 26 | 34 | 453 | 87 | 41 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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