Surf Forecasts:
How big are the waves at Extensions today (28 Sep):
- Morning surf: Morning surf (28 Sep, local time) - 4.5ft (1.3m), 13s period with WSW swell.
- Afternoon surf: Afternoon surf (28 Sep, local time) - 3.5ft (1.1m), 12s period with WSW swell.
- Evening surf: Evening surf (28 Sep, local time) - 3.5ft (1.0m), 12s period with WSW swell.
The current surf forecast for Extensions at 3PM is: 1.1m 12s primary swell from a West-southwest direction and 0.1m 16s secondary swell from a South direction (forecast issued at 07:00am September 28). An open ocean swell of 2.5m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Sep) | 4.5ft (1.3m) | 13s |
| Afternoon (28 Sep) | 3.5ft (1.1m) | 12s |
| Evening (28 Sep) | 3.5ft (1.0m) | 12s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Wed night, min 12°C on Mon night). Winds decreasing (near gales from the SE on Mon afternoon, calm by Wed afternoon). | |||||||||||||||||||||||
Monday 28 | Tuesday 29 | Wednesday 30 | |||||||||||||||||||||
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) | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 578 | 489 | 462 | 383 | 365 | 299 | 294 | 218 | 215 | 189 | 184 | 253 | 335 | 369 | 321 | 336 | 422 | 447 | 440 | 398 | 392 | 392 | 342 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | off | off | off | off | off | off | cross-off | cross-off | off | cross-off |
High Tide | 4:03PM1.68m | 4:25AM1.51m | 4:38PM1.62m | 5:03AM1.44m | 5:17PM1.51m | ||||||||||||||||||
Low Tide | 9:52AM0.05m | 10:19PM-0.00m | 10:26AM0.10m | 10:55PM0.06m | 11:03AM0.18m | ||||||||||||||||||
 |  | | |  | | | | | | | | | | | | | | | | | | | |
 | 6:28 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:46 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 15 | 16 | 16 | 14 | 13 | 12 | 12 | 12 | 16 | 21 | 22 | 20 | 17 | 17 | 19 | 21 | 24 | 27 | 27 | 28 | 27 |
Feels °C | 4 | 4 | 5 | 5 | 4 | 3 | 4 | 5 | 5 | 4 | 10 | 15 | 15 | 13 | 11 | 13 | 15 | 17 | 20 | 23 | 25 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SE 9 | SE 9 | SE 8 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 578 | 489 | 462 | 383 | 365 | 299 | 294 | 218 | 215 | 153 | 184 | 253 | 335 | 369 | 321 | 336 | 328 | 269 | 177 | 398 | 392 | 392 | 342 |
Swell 2 Height (m) Direction Period (s) | SSW 8 | — | — | S 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | WSW 11 | WSW 11 | WSW 11 | — | SW 16 | SW 16 | SW 14 | SW 14 | SW 14 | SE 8 | SE 8 | SE 10 | SE 10 |
| kJ | 111 | — | — | 5 | 10 | 37 | 34 | 76 | 132 | 189 | 109 | 74 | 41 | — | 130 | 129 | 422 | 447 | 440 | 129 | 115 | 163 | 196 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SW 9 | — | — | — | — | — | SW 16 | — | — | — | SE 10 | — | W 16 | W 16 |
| kJ | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | 127 | — | — | — | 17 | — | 5 | 5 |
Wind waves Height (m) Direction Period (s) | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | ESE 9 | ESE 9 | — | SE 10 | SE 10 | — |
| kJ | 398 | 414 | 495 | 586 | 837 | 916 | 658 | 499 | 545 | 613 | 701 | 596 | 765 | 848 | 569 | 408 | 806 | 660 | 411 | — | 415 | 480 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 42 | 48 | 37 | 47 | 48 | 48 | 37 | 26 | 26 | 26 | 18 | 25 | 25 | 25 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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