Surf Forecasts:
How big are the waves at Extensions today (15 Aug):
- Morning surf: Morning surf (15 Aug, local time) - 6ft (1.8m), 14s period with WSW swell.
- Afternoon surf: Afternoon surf (15 Aug, local time) - 6ft (1.9m), 14s period with WSW swell.
- Evening surf: Evening surf (15 Aug, local time) - 7ft (2.1m), 14s period with WSW swell.
The current surf forecast for Extensions at 8PM is: 2.1m 14s primary swell from a West-southwest direction (forecast issued at 01:00pm August 15). An open ocean swell of 0.3m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | 6ft (1.8m) | 14s |
| Afternoon (15 Aug) | 6ft (1.9m) | 14s |
| Evening (15 Aug) | 7ft (2.1m) | 14s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Sun afternoon, min 14°C on Sat afternoon). Wind will be generally light. | |||||||||||||||||||||
Sat 15 | Sunday 16 | Monday 17 | |||||||||||||||||||
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) | WSW 14 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1161 | 1144 | 1652 | 1750 | 1677 | 1581 | 1534 | 1535 | 1773 | 2144 | 2671 | 3313 | 4012 | 3703 | 3468 | 2897 | 2709 | 2528 | 2354 | 2279 | 2116 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | on | on | cross-on | cross-on |
High Tide | 5:05PM1.64m | 5:21AM1.43m | 5:39PM1.55m | 5:56AM1.33m | 6:12PM1.43m | ||||||||||||||||
Low Tide | 10:51AM0.05m | 11:22PM0.10m | 11:24AM0.13m | 11:56PM0.19m | 11:56AM0.25m | ||||||||||||||||
 |  | |  |  | | | | | |  | | | | | | | | |  | | |
 | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — |
 | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 15 | 15 | 15 | 15 | 14 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 |
Feels °C | 12 | 13 | 14 | 13 | 14 | 13 | 11 | 11 | 11 | 11 | 11 | 12 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 |
| kJ | 1161 | 1144 | 1652 | 1750 | 1677 | 1581 | 1534 | 1535 | 1773 | 2144 | 2671 | 3313 | 4012 | 3703 | 3468 | 2897 | 2709 | 2528 | 2354 | 2279 | 2116 |
Swell 2 Height (m) Direction Period (s) | W 7 | W 8 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | — | — | — | — | — | — | — | — | WSW 16 | ESE 10 | ESE 10 |
| kJ | 100 | 140 | 16 | 16 | 17 | 18 | 18 | 18 | 9 | 9 | — | — | — | — | — | — | — | — | 211 | 10 | 10 |
Swell 3 Height (m) Direction Period (s) | ESE 9 | ESE 9 | — | — | — | ESE 10 | — | — | — | — | — | — | — | — | — | — | — | — | SW 16 | — | — |
| kJ | 16 | 15 | — | — | — | 9 | — | — | — | — | — | — | — | — | — | — | — | — | 65 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | NW 3 | NW 3 | NW 4 | NNW 3 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 4 | 2 | 10 | 3 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 5 | 3 | 1 | 1 | 1 | 1 | 25 | 25 | 1 | 20 | 20 | 20 | 1 | 1 | 1 | 1 | 1 | 3 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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