Surf Forecasts:
How big are the waves at Extensions today (24 Sep):
- Morning surf: Morning surf (24 Sep, local time) - 3ft (0.9m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (24 Sep, local time) - 6ft (1.8m), 14s period with SSW swell.
- Evening surf: Evening surf (24 Sep, local time) - 6ft (1.9m), 13s period with SSW swell.
The current surf forecast for Extensions at 11AM is: 1.3m 16s primary swell from a South-southwest direction (forecast issued at 07:00am September 24). An open ocean swell of 1.2m 7s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Sep) | 3ft (0.9m) | 16s |
| Afternoon (24 Sep) | 6ft (1.8m) | 14s |
| Evening (24 Sep) | 6ft (1.9m) | 13s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Sat morning. Very mild (max 18°C on Thu morning, min 14°C on Thu night). Winds increasing (calm on Thu night, strong winds from the SSE by Sat night). | |||||||||||||||||||||||
Thursday 24 | Friday 25 | Saturday 26 | |||||||||||||||||||||
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 10 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 111 | 366 | 806 | 1145 | 1422 | 1349 | 1180 | 1028 | 964 | 850 | 822 | 747 | 734 | 614 | 666 | 643 | 954 | 2390 | 2350 | 2148 | 2492 | 1977 | 1850 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | glassy | cross-on | glassy | glassy | on | on | on | cross-on | cross | cross | cross-off | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 2:01PM1.47m | 2:15AM1.43m | 2:29PM1.57m | 2:46AM1.50m | 2:59PM1.65m | ||||||||||||||||||
Low Tide | 7:52AM0.23m | 8:15PM0.18m | 8:20AM0.14m | 8:44PM0.08m | 8:49AM0.08m | 9:14PM0.01m | |||||||||||||||||
 |  |  | | |  | | | | | | | | | | |  |  | | | | | | |
 | 6:33 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — |
 | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 1 | — | — | — |
Temp °C | 18 | 18 | 16 | 16 | 16 | 18 | 16 | 15 | 14 | 15 | 15 | 15 | 16 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 |
Feels °C | 15 | 18 | 17 | 15 | 17 | 20 | 16 | 15 | 13 | 15 | 15 | 15 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 12 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SE 7 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 |
| kJ | 100 | 194 | 806 | 1145 | 1422 | 1349 | 1180 | 1028 | 964 | 850 | 822 | 747 | 734 | 614 | 666 | 568 | 647 | 2390 | 2350 | 2148 | 2492 | 1977 | 1850 |
Swell 2 Height (m) Direction Period (s) | SSW 17 | SSW 16 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SW 17 | SW 18 | SW 16 | SW 16 | — | SSE 9 | S 11 | SE 11 | S 11 | ESE 8 |
| kJ | 111 | 366 | 127 | 96 | 70 | 68 | 68 | 50 | 38 | 21 | 21 | 16 | 12 | 147 | 82 | 643 | 954 | — | 30 | 2 | 5 | 2 | 6 |
Swell 3 Height (m) Direction Period (s) | SW 14 | SW 10 | SW 11 | SW 11 | — | — | — | — | W 16 | W 16 | W 16 | W 16 | SW 20 | SE 7 | ESE 8 | ESE 8 | ESE 7 | — | SSE 9 | S 11 | S 11 | S 9 | — |
| kJ | 7 | 100 | 119 | 121 | — | — | — | — | 5 | 5 | 5 | 5 | 15 | 13 | 39 | 37 | 5 | — | 15 | 2 | 2 | 2 | — |
Wind waves Height (m) Direction Period (s) | SE 7 | SE 7 | — | — | — | — | — | — | — | — | — | — | — | — | SSE 9 | — | ESE 7 | ESE 7 | SSE 4 | S 4 | S 5 | S 5 | S 6 |
| kJ | 268 | 404 | — | — | — | — | — | — | — | — | — | — | — | — | 45 | — | 36 | 5 | 7 | 12 | 48 | 79 | 108 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 18 | 0 | 0 | 3 | 0 | 0 | 1 | 1 | 1 | 1 | 5 | 12 | 0 | 20 | 0 | 0 | 12 | 37 | 30 | 26 | 26 | 187 | 34 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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