Surf Forecasts:
How big are the waves at Extensions today (22 Jul):
- Morning surf: Morning surf (22 Jul, local time) - 7ft (2.2m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (22 Jul, local time) - 7ft (2.1m), 12s period with SW swell.
- Evening surf: Evening surf (22 Jul, local time) - 6.5ft (2.0m), 12s period with SW swell.
The current surf forecast for Extensions at 9PM is: 2.0m 12s primary swell from a Southwest direction and 0.8m 13s secondary swell from a South-southwest direction, 0.8m 4s secondary swell from a North-northwest direction (forecast issued at 01:00pm July 22). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Jul) | 7ft (2.2m) | 12s |
| Afternoon (22 Jul) | 7ft (2.1m) | 12s |
| Evening (22 Jul) | 6.5ft (2.0m) | 12s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Thu afternoon. Very mild (max 14°C on Wed afternoon, min 11°C on Fri morning). Winds decreasing (strong winds from the N on Thu morning, light winds from the SSE by Fri afternoon). | |||||||||||||||||||||
Wed 22 | Thursday 23 | Friday 24 | |||||||||||||||||||
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 | WSW 12 | WSW 12 | WSW 12 | SW 11 | 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 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1404 | 1298 | 1209 | 1112 | 984 | 874 | 769 | 835 | 1375 | 1080 | 2142 | 9432 | 10025 | 9305 | 7668 | 5762 | 4968 | 4493 | 4062 | 3301 | 1496 |
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 | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off |
High Tide | 9:19AM1.00m | 9:42PM1.11m | 10:47AM0.97m | 11:05PM1.08m | 12:11PM1.01m | ||||||||||||||||
Low Tide | 3:11PM0.60m | 4:33AM0.55m | 4:45PM0.64m | 5:57AM0.53m | 6:15PM0.61m | ||||||||||||||||
 | | |  | | | |  |  | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — |
 | — | — | 5:58 | — | — | — | — | — | — | — | 5:59 | — | — | — | — | — | — | — | 5:59 | — | — |
mm | — | — | — | — | — | — | — | — | 2 | 3 | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 14 | 14 | 13 | 12 | 12 | 13 | 12 | 13 | 13 | 14 | 13 | 13 | 12 | 11 | 12 | 12 | 13 | 13 | 13 |
Feels °C | 9 | 8 | 8 | 9 | 8 | 5 | 5 | 5 | 6 | 10 | 8 | 8 | 6 | 8 | 7 | 7 | 10 | 10 | 10 | 10 | 8 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | SW 11 | SW 11 | SW 11 | SW 12 | SW 18 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 13 |
| kJ | 1404 | 1298 | 1209 | 1112 | 984 | 874 | 769 | 835 | 1375 | 1080 | 2142 | 9432 | 10025 | 9305 | 7668 | 5762 | 4968 | 4493 | 4062 | 3301 | 1496 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 12 | S 12 | SSW 12 | WSW 12 | ESE 13 | WSW 12 | SSW 19 | ESE 12 | SE 12 | ESE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | WSW 14 |
| kJ | 72 | 165 | 204 | 145 | 386 | 294 | 293 | 187 | 17 | 241 | 1242 | 58 | 37 | 57 | 37 | 36 | 35 | 6 | 5 | 5 | 1495 |
Swell 3 Height (m) Direction Period (s) | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | SW 22 | NNW 5 | ESE 12 | — | — | — | — | — | — | — | — | — | SE 12 |
| kJ | 12 | 12 | 12 | 12 | 18 | 18 | 17 | 17 | 19 | 27 | 15 | — | — | — | — | — | — | — | — | — | 5 |
Wind waves Height (m) Direction Period (s) | — | NW 3 | NNW 3 | NW 4 | NNW 4 | NNW 4 | NW 5 | NNW 5 | NW 6 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 4 | 8 | 14 | 18 | 43 | 102 | 130 | 110 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 24 | 24 | 24 | 35 | 35 | 35 | 66 | 50 | 18 | 12 | 25 | 25 | 12 | 12 | 0 | 0 | 0 | 0 | 12 | 27 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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