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 12PM is: 2.5m 13s primary swell from a Southwest direction (forecast issued at 07:00am July 16). The wind direction is predicted to be onshore.
| 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 Thu morning). Wind will be generally light. | |||||||||||||||||||||||
Thursday 16 | Friday 17 | Saturday 18 | |||||||||||||||||||||
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 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 9 | SW 13 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 3216 | 2959 | 2494 | 1942 | 1645 | 1415 | 1358 | 1313 | 1187 | 981 | 835 | 759 | 576 | 509 | 416 | 369 | 357 | 390 | 456 | 386 | 444 | 748 | 546 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | cross-on | cross-on | glassy | glassy | glassy | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:56PM1.62m | 5:11AM1.48m | 5:38PM1.59m | 5:54AM1.39m | 6:19PM1.52m | ||||||||||||||||||
Low Tide | 10:41AM0.01m | 11:11PM0.10m | 11:21AM0.07m | 11:55PM0.16m | 12:00PM0.15m | ||||||||||||||||||
 |  |  | | |  | |  | |  | | | | | | | | | | | | | | |
 | 7:48 | — | — | — | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:48 | — | — | — | — | — | — |
 | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 16 | 16 |
Feels °C | 13 | 13 | 13 | 14 | 14 | 13 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | 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 9 | SW 9 | SW 12 | SW 12 | SW 12 |
| kJ | 3216 | 2959 | 2494 | 1942 | 1645 | 1415 | 1358 | 1313 | 1187 | 981 | 835 | 759 | 576 | 509 | 416 | 369 | 357 | 390 | 456 | 345 | 444 | 748 | 546 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | E 12 | E 12 | E 11 | E 11 | S 14 | S 13 | S 13 | S 12 | S 12 | S 12 | S 11 | SW 13 | SW 9 | S 10 | W 11 |
| kJ | — | — | — | — | — | — | — | — | 3 | 3 | 3 | 2 | 14 | 32 | 55 | 77 | 106 | 139 | 166 | 386 | 197 | 202 | 297 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | E 11 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | S 11 | S 10 | W 11 | S 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 11 | 10 | 39 | 80 | 128 | 228 | 112 | 175 | 154 | 161 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 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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