Surf Forecasts:
How big are the waves at Extensions today (19 Oct):
- Morning surf: Morning surf (19 Oct, local time) - 7.5ft (2.3m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (19 Oct, local time) - 7ft (2.1m), 12s period with SW swell.
- Evening surf: Evening surf (19 Oct, local time) - 6.5ft (2.0m), 11s period with SW swell.
The current surf forecast for Extensions at 1PM is: 2.2m 12s primary swell from a Southwest direction (forecast issued at 07:00am October 19). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Oct) | 7.5ft (2.3m) | 12s |
| Afternoon (19 Oct) | 7ft (2.1m) | 12s |
| Evening (19 Oct) | 6.5ft (2.0m) | 11s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Tue night. Very mild (max 17°C on Wed afternoon, min 13°C on Mon night). Winds increasing (light winds from the WSW on Mon night, strong winds from the NNW by Tue night). | |||||||||||||||||||||||
Monday 19 | Tuesday 20 | Wednesday 21 | |||||||||||||||||||||
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 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1632 | 1513 | 1313 | 1208 | 1111 | 964 | 882 | 802 | 743 | 696 | 743 | 787 | 1147 | 1674 | 2402 | 3179 | 4742 | 4054 | 3293 | 2676 | 1470 | 1403 | 1336 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on |
High Tide | 10:06AM0.99m | 10:36PM0.96m | 11:25AM1.09m | 11:45PM1.06m | 12:09PM1.22m | ||||||||||||||||||
Low Tide | 3:10AM0.64m | 4:42PM0.67m | 4:58AM0.59m | 5:52PM0.56m | 5:54AM0.49m | 6:33PM0.43m | |||||||||||||||||
 |  | |  | |  |  | | | |  | | | | |  | |  |  | | | | | |
 | 6:00 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 3 | 2 | 1 | — | — | — |
Temp °C | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 15 | 15 | 15 | 15 | 14 | 15 | 15 | 15 | 16 | 17 | 17 | 16 | 16 |
Feels °C | 10 | 11 | 11 | 12 | 11 | 11 | 12 | 12 | 10 | 10 | 10 | 8 | 8 | 7 | 6 | 9 | 10 | 11 | 12 | 12 | 13 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 1632 | 1513 | 1313 | 1208 | 1111 | 964 | 882 | 802 | 743 | 696 | 743 | 787 | 1147 | 1674 | 2402 | 3179 | 4742 | 4054 | 3293 | 2676 | 1470 | 1403 | 1336 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | E 7 | E 7 | E 8 | E 8 | E 8 | E 7 | — | — | — | — | — | — | — | W 15 | W 11 | SE 10 | ESE 10 |
| kJ | — | — | — | — | — | — | 1 | 1 | 5 | 1 | 1 | 1 | — | — | — | — | — | — | — | 4 | 888 | 4 | 10 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 11 | W 14 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 4 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | NW 3 | NW 4 | NW 5 | NW 5 | NW 6 | NW 6 | — | — | — | — | — | W 11 | W 11 |
| kJ | — | — | — | — | — | — | — | — | — | — | 6 | 19 | 65 | 100 | 133 | 209 | — | — | — | — | — | 628 | 617 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 20 | 3 | 3 | 3 | 20 | 20 | 1 | 1 | 1 | 1 | 1 | 23 | 26 | 224 | 167 | 273 | 271 | 1 | 1 | 20 | 3 | 3 | 1 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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