Surf Forecasts:
How big are the waves at Extensions today (05 Aug):
- Morning surf: Morning surf (05 Aug, local time) - 7ft (2.1m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (05 Aug, local time) - 8ft (2.5m), 15s period with SW swell.
- Evening surf: Evening surf (05 Aug, local time) - 10ft (3.0m), 14s period with WSW swell.
The current surf forecast for Extensions at 4PM is: 2.5m 15s primary swell from a Southwest direction and 0.3m 9s secondary swell from a West direction, 1.7m 6s secondary swell from a Northwest direction (forecast issued at 01:00pm August 05). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Aug) | 7ft (2.1m) | 16s |
| Afternoon (05 Aug) | 8ft (2.5m) | 15s |
| Evening (05 Aug) | 10ft (3.0m) | 14s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Wed night. Very mild (max 15°C on Wed afternoon, min 11°C on Thu night). Winds decreasing (strong winds from the NNW on Wed night, calm by Fri afternoon). | |||||||||||||||||||||
Wed 5 | Thursday 6 | Friday 7 | |||||||||||||||||||
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 16 | SW 15 | SW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 12 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 15 | SW 14 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2601 | 2662 | 2614 | 3504 | 4569 | 5704 | 5262 | 4605 | 3920 | 3863 | 3716 | 3897 | 3645 | 3502 | 3939 | 4555 | 4684 | 5089 | 5363 | 4883 | 4369 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | glassy | cross-on | cross-on | cross-on |
High Tide | 7:38PM1.32m | 8:17AM1.10m | 8:47PM1.24m | 9:49AM1.05m | 10:22PM1.20m | ||||||||||||||||
Low Tide | 1:10PM0.38m | 2:06AM0.39m | 2:12PM0.48m | 3:28AM0.45m | 3:46PM0.54m | ||||||||||||||||
 |  |  |  |  |  | |  | | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — |
 | — | — | 6:07 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:08 | — | — |
mm | — | — | — | — | 1 | 8 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 15 | 15 | 14 | 13 | 15 | 14 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 12 | 13 | 13 | 13 |
Feels °C | 6 | 7 | 8 | 7 | 7 | 9 | 11 | 9 | 7 | 6 | 5 | 5 | 4 | 4 | 4 | 4 | 7 | 11 | 11 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 15 | SW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 12 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 15 | SW 14 | SW 14 | SW 14 |
| kJ | 2601 | 2662 | 2614 | 3504 | 4569 | 5704 | 5262 | 4605 | 3920 | 3863 | 3716 | 3897 | 3645 | 3502 | 3939 | 4555 | 4684 | 5089 | 5363 | 4883 | 4369 |
Swell 2 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | ESE 10 | WSW 15 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | — | — | — | — | ESE 9 | — | — | — | — |
| kJ | 58 | 25 | 14 | 33 | 857 | 19 | 19 | 19 | 19 | 9 | 9 | 9 | — | — | — | — | 8 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | ESE 10 | W 9 | W 11 | — | ESE 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 10 | 25 | 2 | — | 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 5 | NNW 5 | NW 6 | NNW 6 | NNW 6 | — | — | — | — | — | — | — | SE 5 | SE 5 | SE 5 | ESE 5 | ESE 5 | — | — | — | — |
| kJ | 108 | 149 | 178 | 145 | 151 | — | — | — | — | — | — | — | 49 | 76 | 64 | 86 | 55 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 66 | 167 | 337 | 242 | 167 | 5 | 26 | 26 | 26 | 26 | 34 | 37 | 33 | 37 | 26 | 25 | 0 | 0 | 1 | 3 | 3 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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