Surf Forecasts:
How big are the waves at Extensions today (23 Oct):
- Morning surf: Morning surf (23 Oct, local time) - 8ft (2.4m), 12s period with SSW swell.
- 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 1PM is: 2.2m 11s primary swell from a South-southwest direction and 0.7m 10s secondary swell from a West direction (forecast issued at 07:00am October 23). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Oct) | 8ft (2.4m) | 12s |
| 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 19°C on Fri afternoon, min 14°C on Fri morning). Winds increasing (calm on Fri morning, strong winds from the SE by Sun night). | |||||||||||||||||||||||
Friday 23 | Saturday 24 | Sunday 25 | |||||||||||||||||||||
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) | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SSW 10 | SW 9 | SSW 9 | SSW 9 | SW 9 | SW 9 | SW 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1200 | 1534 | 1483 | 1154 | 996 | 759 | 638 | 560 | 460 | 382 | 314 | 245 | 225 | 188 | 268 | 181 | 161 | 123 | 138 | 101 | 115 | 64 | 51 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | glassy | on | on | on | on | cross-on | 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 | cross-off |
High Tide | 1:18PM1.47m | 1:42AM1.40m | 1:52PM1.58m | 2:18AM1.48m | 2:26PM1.65m | ||||||||||||||||||
Low Tide | 7:09AM0.29m | 7:39PM0.16m | 7:43AM0.20m | 8:12PM0.05m | 8:18AM0.12m | 8:46PM-0.02m | |||||||||||||||||
 |  |  |  | |  | | | | | | | | | | | | | | | |  | | |
 | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 16 | 19 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 16 | 16 | 16 | 16 |
Feels °C | 11 | 12 | 15 | 15 | 13 | 15 | 16 | 16 | 16 | 16 | 14 | 13 | 12 | 12 | 12 | 11 | 11 | 10 | 9 | 9 | 8 | 8 | 8 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SSW 10 | SW 9 | SSW 9 | SSW 9 | SW 9 | SW 9 | SW 9 |
| kJ | 1200 | 1534 | 1483 | 1154 | 996 | 759 | 638 | 560 | 460 | 382 | 314 | 245 | 225 | 188 | 268 | 181 | 161 | 123 | 138 | 101 | 115 | 64 | 51 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 10 | 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 | SW 6 | WSW 11 |
| kJ | 204 | 128 | 94 | 90 | 89 | 83 | 58 | 57 | 76 | 71 | 50 | 64 | 64 | 64 | 54 | 45 | 46 | 48 | 42 | 41 | 29 | 19 | 40 |
Swell 3 Height (m) Direction Period (s) | SW 12 | NW 13 | NW 13 | SW 16 | 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 | WSW 11 | WSW 11 | W 8 | W 8 |
| kJ | 220 | 7 | 7 | 10 | 25 | 5 | 22 | 42 | 42 | 21 | 36 | 59 | 59 | 59 | 4 | 49 | 49 | 49 | 72 | 42 | 40 | 29 | 19 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | W 3 | — | — | — | — | — | SSE 3 | SSE 9 | SSE 9 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 5 | SSE 5 | SE 6 | SE 6 |
| kJ | — | — | — | — | — | 3 | — | — | — | — | — | 2 | 61 | 82 | 16 | 22 | 22 | 25 | 31 | 65 | 111 | 176 | 296 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 5 | 3 | 3 | 1 | 3 | 0 | 0 | 0 | 26 | 61 | 34 | 12 | 33 | 33 | 34 | 337 | 337 | 400 | 400 | 61 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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