Surf Forecasts:
How big are the waves at Extensions today (09 Aug):
- Morning surf: Morning surf (09 Aug, local time) - 11ft (3.5m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (09 Aug, local time) - 11ft (3.5m), 12s period with SSW swell.
- Evening surf: Evening surf (09 Aug, local time) - 10ft (3.0m), 12s period with SW swell.
The current surf forecast for Extensions at 1AM is: 3.5m 13s primary swell from a Southwest direction (forecast issued at 07:00pm August 08). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Aug) | 11ft (3.5m) | 12s |
| Afternoon (09 Aug) | 11ft (3.5m) | 12s |
| Evening (09 Aug) | 10ft (3.0m) | 12s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Sat night. Very mild (max 15°C on Tue afternoon, min 11°C on Tue morning). Winds increasing (light winds from the S on Sat night, near gales from the ESE by Mon night). | |||||||||||||||||||
Sat 8 | Sunday 9 | Monday 10 | |||||||||||||||||
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 13 | SW 13 | SW 13 | SW 12 | SW 12 | SSW 12 | SSW 12 | SW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 14 | SSW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 6120 | 5502 | 4681 | 4020 | 3765 | 3536 | 3622 | 3806 | 3301 | 2296 | 2708 | 2116 | 1768 | 1624 | 1615 | 1062 | 574 | 988 | 2590 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 11:55PM1.25m | 12:49PM1.22m | 1:06AM1.35m | 1:46PM1.37m | |||||||||||||||
Low Tide | 5:36PM0.51m | 6:33AM0.34m | 6:57PM0.39m | 7:33AM0.21m | 7:56PM0.25m | ||||||||||||||
 |  | | |  |  | |  |  | |  | | |  | | | |  | | |
 | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — |
 | 6:09 | — | — | — | — | — | — | — | 6:10 | — | — | — | — | — | — | — | 6:10 | — | — |
mm | 2 | — | — | — | 2 | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 14 | 13 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 |
Feels °C | 8 | 9 | 8 | 8 | 4 | 2 | 1 | 2 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 1 | 2 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | — | SW 12 | SSW 12 | SSW 11 | SSW 11 | — | S 18 | SSW 11 | SSW 10 | S 10 | SSW 14 |
| kJ | 6120 | 5502 | 4681 | 4020 | 3765 | 3536 | 2489 | 1978 | — | 2296 | 2708 | 2116 | 1768 | — | 6 | 1062 | 574 | 573 | 2590 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 14 | WSW 11 | SSW 14 | WSW 11 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 132 | 317 | 988 | 101 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 13 | SSW 14 | SW 11 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 187 | 471 | 268 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | S 6 | SW 12 | SSW 12 | SSW 12 | SSE 8 | SSE 8 | SSE 8 | — | SSW 11 | SSW 11 | SE 6 | SE 6 | SE 6 | SE 6 |
| kJ | — | — | — | — | — | 255 | 3622 | 3806 | 3301 | 392 | 358 | 276 | — | 1624 | 1615 | 131 | 221 | 265 | 223 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 26 | 26 | 26 | 26 | 187 | 315 | 337 | 663 | 1429 | 1480 | 1241 | 61 | 61 | 37 | 226 | 187 | 41 | 41 | 41 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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