Surf Forecasts:
How big are the waves at Extensions today (23 Oct):
- Afternoon surf: Afternoon surf (23 Oct, local time) - 7ft (2.1m), 11s period with SSW swell.
- Evening surf: Evening surf (23 Oct, local time) - 6ft (1.8m), 11s period with SSW swell.
The current surf forecast for Extensions at 10PM is: 1.7m 11s primary swell from a South-southwest direction and 0.7m 9s secondary swell from a West direction (forecast issued at 07:00pm October 23). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Oct) | - | - |
| Afternoon (23 Oct) | 7ft (2.1m) | 11s |
| Evening (23 Oct) | 6ft (1.8m) | 11s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Fri night, min 16°C on Fri night). Winds increasing (light winds from the S on Fri night, strong winds from the SE by Sun night). | |||||||||||||||||||
Fri 23 | Saturday 24 | Sunday 25 | |||||||||||||||||
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) | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SSW 9 | SSW 9 | SSW 9 | SW 9 | SW 9 | W 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 996 | 759 | 638 | 595 | 523 | 382 | 314 | 286 | 240 | 245 | 268 | 211 | 177 | 148 | 138 | 101 | 81 | 51 | 61 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | on | 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 | cross-off |
High Tide | 1:42AM1.40m | 1:52PM1.58m | 2:18AM1.48m | 2:26PM1.65m | |||||||||||||||
Low Tide | 7:39PM0.16m | 7:43AM0.20m | 8:12PM0.05m | 8:18AM0.12m | 8:46PM-0.02m | ||||||||||||||
 |  |  | | | | | | | | | | |  | |  | |  | | |
 | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | 7:06 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
Feels °C | 12 | 15 | 16 | 17 | 17 | 16 | 15 | 14 | 13 | 13 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 8 | 8 |
Swell 1 Height (m) Direction Period (s) | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SSW 9 | SSW 9 | SSW 9 | SW 9 | SW 9 | SW 9 |
| kJ | 996 | 759 | 638 | 595 | 523 | 382 | 314 | 286 | 240 | 245 | 268 | 211 | 177 | 148 | 138 | 101 | 81 | 51 | 52 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | WSW 13 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 7 | W 11 |
| kJ | 65 | 85 | 80 | 40 | 38 | 69 | 68 | 64 | 64 | 49 | 54 | 48 | 46 | 48 | 42 | 42 | 29 | 28 | 61 |
Swell 3 Height (m) Direction Period (s) | WSW 16 | W 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | W 15 | WSW 12 | WSW 12 | WSW 12 | W 12 | W 11 | WSW 11 | WSW 11 | W 8 |
| kJ | 25 | 5 | 22 | 42 | 42 | 21 | 36 | 59 | 59 | 59 | 4 | 49 | 49 | 49 | 72 | 64 | 40 | 40 | 18 |
Wind waves Height (m) Direction Period (s) | WNW 3 | — | — | — | — | — | — | SSE 2 | SSE 3 | SSE 9 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 5 | SSE 5 | SE 6 |
| kJ | 3 | — | — | — | — | — | — | 1 | 3 | 82 | 19 | 24 | 26 | 21 | 26 | 50 | 85 | 143 | 213 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 3 | 5 | 3 | 1 | 3 | 5 | 0 | 26 | 26 | 26 | 12 | 27 | 33 | 33 | 33 | 337 | 337 | 400 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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