Surf Forecasts:
How big are the waves at Extensions today (16 Jul):
- Morning surf: Morning surf (16 Jul, local time) - 10ft (3.0m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (16 Jul, local time) - 8ft (2.4m), 13s period with SW swell.
- Evening surf: Evening surf (16 Jul, local time) - 7ft (2.1m), 12s period with SW swell.
The current surf forecast for Extensions at 1AM is: 3.5m 14s primary swell from a Southwest direction (forecast issued at 07:00pm July 15). An open ocean swell of 0.3m 9s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 5.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Jul) | 10ft (3.0m) | 13s |
| Afternoon (16 Jul) | 8ft (2.4m) | 13s |
| Evening (16 Jul) | 7ft (2.1m) | 12s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sat afternoon, min 14°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 15 | Thursday 16 | Friday 17 | Sat 18 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 16 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 10 | WSW 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 4240 | 4375 | 4314 | 3844 | 3348 | 2959 | 2494 | 1942 | 1645 | 1319 | 1358 | 1398 | 1167 | 981 | 835 | 759 | 576 | 509 | 416 | 369 | 365 | 343 | 557 | 576 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | glassy | glassy | cross-on | on | on | on | on | cross-on | glassy | glassy | glassy | glassy | glassy | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:13PM1.61m | 4:28AM1.54m | 4:56PM1.62m | 5:11AM1.48m | 5:38PM1.59m | 5:54AM1.39m | ||||||||||||||||||
Low Tide | 10:25PM0.08m | 10:41AM0.01m | 11:11PM0.10m | 11:21AM0.07m | 11:55PM0.16m | 12:00PM0.15m | ||||||||||||||||||
 |  |  | | |  |  | | |  | | | | | | | | | | | | | | | |
 | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:48 | — | — | — |
 | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | 5:54 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 |
Feels °C | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 16 | 16 | 16 | 16 | 15 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 10 | WSW 10 |
| kJ | 4240 | 4375 | 4314 | 3844 | 3348 | 2959 | 2494 | 1942 | 1645 | 1319 | 1358 | 1398 | 1167 | 981 | 835 | 759 | 576 | 509 | 416 | 369 | 365 | 343 | 557 | 576 |
Swell 2 Height (m) Direction Period (s) | W 9 | ESE 9 | ESE 9 | — | — | — | — | — | — | — | — | — | E 12 | E 12 | E 11 | E 11 | S 14 | S 13 | S 13 | S 12 | S 12 | S 12 | SW 14 | SW 13 |
| kJ | 55 | 17 | 17 | — | — | — | — | — | — | — | — | — | 3 | 3 | 3 | 2 | 15 | 31 | 55 | 77 | 106 | 139 | 228 | 295 |
Swell 3 Height (m) Direction Period (s) | ESE 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 11 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | S 11 | S 11 |
| kJ | 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 11 | 10 | 39 | 58 | 164 | 123 | 82 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 3 | 12 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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