Surf Forecasts:
How big are the waves at Extensions today (09 Sep):
- Morning surf: Morning surf (09 Sep, local time) - 3.5ft (1.0m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (09 Sep, local time) - 3.5ft (1.0m), 13s period with WSW swell.
- Evening surf: Evening surf (09 Sep, local time) - 4.5ft (1.3m), 12s period with WSW swell.
The current surf forecast for Extensions at 5AM is: 1.0m 14s primary swell from a Southwest direction and 0.4m 11s secondary swell from a West-southwest direction (forecast issued at 01:00am September 09). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Sep) | 3.5ft (1.0m) | 13s |
| Afternoon (09 Sep) | 3.5ft (1.0m) | 13s |
| Evening (09 Sep) | 4.5ft (1.3m) | 12s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Wed morning, min 14°C on Wed night). Winds increasing (light winds from the SSE on Wed morning, near gales from the SE by Fri night). | ||||||||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | ||||||||||||||||||||||
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 11 | SW 14 | SW 13 | WSW 13 | WSW 13 | SW 13 | WSW 12 | SW 12 | WSW 12 | SW 16 | SW 15 | SW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 211 | 379 | 352 | 304 | 357 | 382 | 521 | 766 | 759 | 1330 | 1520 | 2590 | 2378 | 1999 | 1803 | 1885 | 1383 | 1116 | 1080 | 967 | 816 | 710 | 461 | 467 |
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 | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 1:53AM1.43m | 2:16PM1.56m | 2:33AM1.51m | 2:52PM1.66m | 3:10AM1.55m | 3:26PM1.70m | ||||||||||||||||||
Low Tide | 8:05AM0.12m | 8:32PM0.09m | 8:42AM0.04m | 9:09PM0.01m | 9:16AM0.01m | 9:43PM-0.01m | ||||||||||||||||||
 | |  | | | | | | |  |  | | | | | | | | |  | | |  | | |
 | — | 6:54 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:34 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
Feels °C | 16 | 14 | 14 | 14 | 14 | 12 | 13 | 12 | 11 | 11 | 12 | 13 | 12 | 12 | 12 | 10 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 6 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 14 | SW 13 | WSW 13 | WSW 13 | SW 13 | WSW 12 | SW 12 | WSW 12 | SW 12 | SW 15 | SW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 |
| kJ | 172 | 379 | 352 | 304 | 357 | 382 | 521 | 766 | 759 | 822 | 1520 | 2590 | 2378 | 1999 | 1803 | 1885 | 1383 | 1116 | 1080 | 967 | 816 | 710 | 461 | 467 |
Swell 2 Height (m) Direction Period (s) | SW 14 | WSW 11 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SW 17 | SW 16 | WSW 12 | — | — | — | — | — | SSW 6 | — | — | — | — | — | SSW 10 | SW 14 |
| kJ | 211 | 40 | 16 | 25 | 14 | 14 | 13 | 7 | 536 | 1330 | 710 | — | — | — | — | — | 97 | — | — | — | — | — | 62 | 103 |
Swell 3 Height (m) Direction Period (s) | SSE 9 | SE 9 | W 11 | W 11 | S 7 | S 10 | ESE 10 | S 7 | SSE 9 | SSE 9 | — | — | — | — | — | — | — | — | — | — | — | — | SW 15 | SSW 10 |
| kJ | 32 | 21 | 21 | 21 | 4 | 8 | 10 | 1 | 7 | 8 | — | — | — | — | — | — | — | — | — | — | — | — | 76 | 20 |
Wind waves Height (m) Direction Period (s) | SSE 3 | SSE 3 | SSE 4 | SSE 3 | SSE 3 | SSE 3 | SSE 4 | SSE 4 | SSE 4 | — | — | — | — | — | — | SSE 3 | S 6 | SSE 6 | SSE 6 | SSE 7 | SE 7 | SE 7 | SE 7 | SE 7 |
| kJ | 4 | 7 | 7 | 5 | 4 | 9 | 10 | 7 | 7 | — | — | — | — | — | — | 3 | 158 | 331 | 402 | 537 | 604 | 743 | 891 | 844 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 26 | 26 | 12 | 0 | 26 | 26 | 12 | 12 | 34 | 26 | 26 | 0 | 26 | 26 | 26 | 34 | 61 | 61 | 48 | 48 | 48 | 42 | 48 | 37 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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