Surf Forecasts:
How big are the waves at Extensions today (28 Jul):
- Morning surf: Morning surf (28 Jul, local time) - 8ft (2.5m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (28 Jul, local time) - 8ft (2.4m), 14s period with SW swell.
- Evening surf: Evening surf (28 Jul, local time) - 7ft (2.2m), 14s period with SW swell.
The current surf forecast for Extensions at 9PM is: 2.2m 14s primary swell from a Southwest direction (forecast issued at 01:00pm July 28). An open ocean swell of 2.2m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Jul) | 8ft (2.5m) | 14s |
| Afternoon (28 Jul) | 8ft (2.4m) | 14s |
| Evening (28 Jul) | 7ft (2.2m) | 14s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Fri morning, min 12°C on Tue night). Winds decreasing (near gales from the ESE on Tue afternoon, calm by Wed afternoon). | |||||||||||||||||||||
Tue 28 | Wednesday 29 | Thursday 30 | |||||||||||||||||||
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 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2667 | 2630 | 2284 | 2020 | 1733 | 1591 | 1346 | 1144 | 1162 | 1099 | 1200 | 1200 | 1182 | 1083 | 905 | 905 | 821 | 821 | 744 | 683 | 683 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | off | off | off | off | off | off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | off | off |
High Tide | 3:03PM1.35m | 3:07AM1.38m | 3:33PM1.43m | 3:38AM1.42m | 4:03PM1.49m | ||||||||||||||||
Low Tide | 8:53AM0.23m | 9:09PM0.31m | 9:22AM0.17m | 9:40PM0.26m | 9:51AM0.13m | 10:11PM0.22m | |||||||||||||||
 | | |  | | | | | | | |  | | | |  |  | | | |  | |
 | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — |
 | — | — | 6:01 | — | — | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:04 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 15 | 14 | 13 | 12 | 12 | 12 | 12 | 15 | 17 | 16 | 15 | 15 | 14 | 14 | 14 | 15 | 18 | 18 | 16 |
Feels °C | 3 | 4 | 3 | 4 | 5 | 4 | 6 | 7 | 7 | 13 | 16 | 13 | 11 | 11 | 11 | 11 | 11 | 11 | 14 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 2667 | 2630 | 2284 | 2020 | 1733 | 1591 | 1346 | 1144 | 1162 | 1099 | 1200 | 1200 | 1182 | 1083 | 905 | 905 | 821 | 821 | 744 | 683 | 683 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | S 11 | — | — | SE 7 | — | — | — | SE 6 | SE 7 | SE 7 | SE 7 | SE 7 | — | — | SE 6 |
| kJ | — | — | — | — | — | — | 2 | — | — | 116 | — | — | — | 53 | 73 | 71 | 71 | 52 | — | — | 76 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | — | SE 7 | SE 6 | SE 6 | — | ESE 7 | ESE 7 | ESE 7 | — | SE 6 | SE 6 | ESE 7 |
| kJ | 556 | 526 | 589 | 539 | 404 | 355 | 279 | 206 | 169 | — | 84 | 100 | 96 | — | 243 | 272 | 243 | — | 45 | 51 | 236 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 51 | 48 | 37 | 37 | 30 | 26 | 25 | 18 | 18 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 12 | 12 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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