Surf Forecasts:
How big are the waves at Extensions today (06 Sep):
- Morning surf: Morning surf (06 Sep, local time) - 8ft (2.4m), 18s period with SW swell.
- Afternoon surf: Afternoon surf (06 Sep, local time) - 7ft (2.2m), 16s period with SW swell.
- Evening surf: Evening surf (06 Sep, local time) - 6.5ft (2.0m), 15s period with SW swell.
The current surf forecast for Extensions at 8AM is: 2.4m 18s primary swell from a Southwest direction and 0.6m 9s secondary swell from a Southwest direction (forecast issued at 01:00am September 06). An open ocean swell of 2.5m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Sep) | 8ft (2.4m) | 18s |
| Afternoon (06 Sep) | 7ft (2.2m) | 16s |
| Evening (06 Sep) | 6.5ft (2.0m) | 15s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Mon afternoon, min 14°C on Sun morning). Winds decreasing (strong winds from the ESE on Sun morning, calm by Mon morning). | ||||||||||||||||||||||||
Sunday 6 | Monday 7 | Tuesday 8 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 20 | SW 19 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | WSW 13 | WSW 13 | WSW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 15 | SW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 3008 | 3778 | 3672 | 3681 | 2506 | 2269 | 1904 | 1692 | 1647 | 1624 | 1665 | 1549 | 1360 | 1339 | 745 | 596 | 440 | 587 | 734 | 294 | 145 | 137 | 148 | 172 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | cross | glassy | cross-on | cross-on | cross-off | cross-off | cross-off | cross | cross-off | glassy | cross | cross | cross-off | cross-off |
High Tide | 11:38AM1.11m | 00:04AM1.20m | 12:47PM1.27m | 1:06AM1.32m | 1:35PM1.43m | |||||||||||||||||||
Low Tide | 5:14AM0.48m | 5:54PM0.50m | 6:32AM0.36m | 7:02PM0.35m | 7:24AM0.23m | 7:51PM0.20m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | | | | | |
 | — | 6:58 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 16 | 20 | 22 | 20 | 18 | 19 | 19 | 21 | 22 | 23 | 23 | 20 | 23 | 23 | 20 | 19 | 20 | 20 | 18 | 17 | 18 |
Feels °C | 3 | 4 | 5 | 9 | 14 | 16 | 15 | 14 | 16 | 17 | 20 | 22 | 21 | 20 | 19 | 21 | 22 | 17 | 18 | 19 | 18 | 16 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | SW 20 | SW 19 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | WSW 13 | WSW 13 | WSW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | SW 11 | SW 11 |
| kJ | 3008 | 3778 | 3672 | 3681 | 2506 | 2269 | 1904 | 1692 | 1647 | 1624 | 1665 | 1549 | 1360 | 1339 | 745 | 596 | 440 | 587 | 734 | 294 | 145 | 137 | 114 | 172 |
Swell 2 Height (m) Direction Period (s) | SSW 9 | SW 13 | SW 9 | — | S 12 | S 12 | S 12 | SE 7 | SE 7 | SE 7 | SE 7 | SE 9 | SE 9 | SE 9 | SSW 12 | S 12 | S 12 | S 11 | WSW 17 | S 11 | SW 11 | SW 11 | WSW 15 | SSE 10 |
| kJ | 76 | 82 | 70 | — | 3 | 3 | 3 | 194 | 156 | 94 | 69 | 74 | 78 | 52 | 439 | 488 | 404 | 198 | 27 | 224 | 121 | 117 | 148 | 72 |
Swell 3 Height (m) Direction Period (s) | SW 12 | — | — | — | — | — | — | — | — | — | SE 15 | SSE 14 | SSE 14 | SE 13 | SE 9 | SE 8 | ESE 10 | ESE 10 | ESE 10 | SW 16 | SSE 10 | SSE 10 | W 12 | WSW 15 |
| kJ | 40 | — | — | — | — | — | — | — | — | — | 8 | 18 | 36 | 7 | 50 | 18 | 9 | 9 | 10 | 67 | 104 | 77 | 70 | 144 |
Wind waves Height (m) Direction Period (s) | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | ESE 8 | — | — | — | — | — | — | — | — | SSE 3 | — | — | — | S 3 | SSE 3 |
| kJ | 859 | 839 | 694 | 537 | 456 | 424 | 403 | 274 | 419 | 294 | — | — | — | — | — | — | — | — | 3 | — | — | — | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 37 | 37 | 37 | 25 | 25 | 12 | 18 | 18 | 0 | 0 | 1 | 0 | 1 | 5 | 0 | 0 | 0 | 12 | 0 | 0 | 5 | 26 | 0 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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