Surf Forecasts:
How big are the waves at Extensions today (23 Jul):
- Morning surf: Morning surf (23 Jul, local time) - 7ft (2.1m), 11s period with SW swell.
- Afternoon surf: Afternoon surf (23 Jul, local time) - 7.5ft (2.3m), 11s period with SW swell.
- Evening surf: Evening surf (23 Jul, local time) - 13ft (4.0m), 17s period with SW swell.
The current surf forecast for Extensions at 6PM is: 2.5m 12s primary swell from a Southwest direction and 1.3m 19s secondary swell from a South-southwest direction (forecast issued at 01:00pm July 23). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Jul) | 7ft (2.1m) | 11s |
| Afternoon (23 Jul) | 7.5ft (2.3m) | 11s |
| Evening (23 Jul) | 13ft (4.0m) | 17s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Thu afternoon. Very mild (max 16°C on Sat afternoon, min 12°C on Fri morning). Wind will be generally light. | |||||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | |||||||||||||||||||
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 11 | SW 11 | SW 12 | SW 18 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | WSW 14 | SSW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1375 | 1080 | 2148 | 9335 | 10025 | 9565 | 7905 | 6004 | 5380 | 4692 | 3835 | 3301 | 1495 | 1346 | 2340 | 1657 | 1486 | 1960 | 1999 | 2096 | 1760 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | cross-off | cross-off | cross-off | off | off | off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 10:47AM0.97m | 11:05PM1.08m | 12:11PM1.01m | 00:19AM1.11m | 1:11PM1.09m | ||||||||||||||||
Low Tide | 4:45PM0.64m | 5:57AM0.53m | 6:15PM0.61m | 6:59AM0.47m | 7:15PM0.54m | ||||||||||||||||
 | | |  |  | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — |
 | — | — | 5:59 | — | — | — | — | — | — | — | 5:59 | — | — | — | — | — | — | — | 6:00 | — | — |
mm | 3 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 14 | 15 | 14 | 13 | 13 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 16 | 16 | 15 |
Feels °C | 8 | 10 | 10 | 9 | 9 | 8 | 9 | 8 | 11 | 12 | 10 | 9 | 9 | 8 | 8 | 7 | 8 | 9 | 11 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 12 | SW 18 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | WSW 14 | SSW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 1375 | 1080 | 2148 | 9335 | 10025 | 9565 | 7905 | 6004 | 5380 | 4692 | 3835 | 3301 | 1495 | 1346 | 2340 | 1657 | 1486 | 1960 | 1999 | 2096 | 1760 |
Swell 2 Height (m) Direction Period (s) | ESE 13 | NNW 6 | SSW 19 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SSW 13 | WSW 14 | SE 11 | SSW 13 | SSW 13 | SE 11 | SE 11 | — | — |
| kJ | 17 | 60 | 1242 | 38 | 37 | 37 | 37 | 36 | 35 | 6 | 5 | 5 | 1366 | 1222 | 5 | 604 | 653 | 5 | 5 | — | — |
Swell 3 Height (m) Direction Period (s) | SW 22 | WSW 12 | ESE 12 | — | — | — | — | — | — | — | SE 12 | SE 12 | SE 12 | SE 11 | — | SE 11 | SE 11 | — | — | — | — |
| kJ | 19 | 241 | 15 | — | — | — | — | — | — | — | 35 | 34 | 5 | 5 | — | 5 | 5 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 3 | SE 4 | SE 4 | SE 4 | SE 4 | SE 4 | SE 4 |
| kJ | 119 | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 13 | 14 | 12 | 12 | 18 | 21 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 25 | 12 | 25 | 12 | 12 | 0 | 0 | 0 | 5 | 0 | 12 | 12 | 12 | 25 | 25 | 12 | 12 | 12 | 12 | 12 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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