Surf Forecasts:
How big are the waves at Extensions today (04 Aug):
- Morning surf: Morning surf (04 Aug, local time) - 4ft (1.2m), 11s period with SW swell.
- Afternoon surf: Afternoon surf (04 Aug, local time) - 4ft (1.2m), 11s period with SW swell.
- Evening surf: Evening surf (04 Aug, local time) - 3.5ft (1.0m), 11s period with SW swell.
The current surf forecast for Extensions at 9PM is: 1.0m 11s primary swell from a Southwest direction and 0.6m 10s secondary swell from a West direction (forecast issued at 01:00pm August 04). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Aug) | 4ft (1.2m) | 11s |
| Afternoon (04 Aug) | 4ft (1.2m) | 11s |
| Evening (04 Aug) | 3.5ft (1.0m) | 11s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Wed night. Very mild (max 15°C on Tue afternoon, min 12°C on Wed night). Winds decreasing (strong winds from the NW on Wed afternoon, light winds from the SW by Wed night). | |||||||||||||||||||||
Tue 4 | Wednesday 5 | Thursday 6 | |||||||||||||||||||
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 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 15 | SW 15 | SW 16 | SW 16 | SW 15 | SW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 12 | SW 12 | SW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 382 | 332 | 326 | 249 | 180 | 472 | 936 | 2061 | 2601 | 2662 | 2614 | 3504 | 4709 | 5584 | 5164 | 4732 | 4056 | 3678 | 3339 | 3585 | 3727 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross-off | cross-off | cross | cross | cross-on | cross | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 6:48PM1.41m | 7:14AM1.19m | 7:38PM1.32m | 8:17AM1.10m | 8:47PM1.24m | ||||||||||||||||
Low Tide | 12:25PM0.28m | 1:09AM0.32m | 1:10PM0.38m | 2:06AM0.39m | 2:12PM0.48m | ||||||||||||||||
 | | |  | | | | |  | | | |  |  | |  |  | | |  | | |
 | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — |
 | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:08 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 7 | 2 | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 15 | 15 | 15 | 13 | 13 | 14 | 15 | 15 | 15 | 14 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Feels °C | 14 | 13 | 14 | 13 | 14 | 13 | 8 | 8 | 8 | 8 | 9 | 9 | 8 | 11 | 11 | 10 | 9 | 7 | 6 | 5 | 5 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 15 | SW 15 | SW 16 | SW 16 | SW 15 | SW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 12 | SW 12 | SW 13 |
| kJ | 382 | 332 | 326 | 249 | 180 | 472 | 936 | 2061 | 2601 | 2662 | 2614 | 3504 | 4709 | 5584 | 5164 | 4732 | 4056 | 3678 | 3339 | 3585 | 3727 |
Swell 2 Height (m) Direction Period (s) | WSW 11 | W 11 | W 11 | W 10 | W 10 | SW 10 | WNW 10 | W 9 | W 9 | W 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 |
| kJ | 41 | 61 | 85 | 80 | 98 | 141 | 128 | 62 | 41 | 25 | 38 | 33 | 19 | 19 | 19 | 19 | 19 | 9 | 9 | 9 | 9 |
Swell 3 Height (m) Direction Period (s) | ESE 11 | ESE 11 | SW 16 | SW 15 | SW 15 | W 10 | SW 10 | ESE 10 | ESE 10 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 12 | 12 | 64 | 109 | 171 | 96 | 96 | 11 | 10 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | NNW 4 | NNW 5 | NW 5 | NW 6 | NNW 5 | NNW 6 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 25 | 84 | 133 | 202 | 117 | 126 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 5 | 0 | 18 | 0 | 23 | 35 | 35 | 50 | 315 | 220 | 35 | 35 | 3 | 3 | 0 | 0 | 12 | 34 | 37 | 37 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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