Surf Forecasts:
How big are the waves at Extensions today (12 Nov):
- Morning surf: Morning surf (12 Nov, local time) - 7ft (2.2m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (12 Nov, local time) - 6ft (1.9m), 11s period with WSW swell.
- Evening surf: Evening surf (12 Nov, local time) - 6ft (1.9m), 11s period with SW swell.
The current surf forecast for Extensions at 5PM is: 1.9m 11s primary swell from a Southwest direction and 0.1m 19s secondary swell from a Southwest direction (forecast issued at 01:00pm November 12). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Nov) | 7ft (2.2m) | 12s |
| Afternoon (12 Nov) | 6ft (1.9m) | 11s |
| Evening (12 Nov) | 6ft (1.9m) | 11s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Sat night, min 16°C on Thu night). Winds increasing (light winds from the SSE on Fri morning, gales from the SE by Sat afternoon). | |||||||||||||||||||||||
Thu 12 | Friday 13 | Saturday 14 | Sun 15 | ||||||||||||||||||||
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 | 2 AM | 5 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 12 | WSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | WSW 10 | WSW 10 | SW 9 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1229 | 943 | 875 | 806 | 725 | 664 | 530 | 500 | 457 | 250 | 406 | 1298 | 1476 | 1777 | 2392 | 2903 | 3025 | 2815 | 2626 | 2626 | 2462 | 2135 | 1783 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross-off | cross-off | cross-off | cross | cross | 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 | 4:37PM1.34m | 5:05AM1.29m | 5:10PM1.25m | 5:43AM1.22m | 5:48PM1.16m | ||||||||||||||||||
Low Tide | 10:33AM0.32m | 10:51PM0.27m | 11:07AM0.40m | 11:25PM0.34m | 11:45AM0.48m | 00:03AM0.42m | |||||||||||||||||
 | |  |  | | | | | | | |  |  | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 |
 | — | — | 7:23 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:25 | — | — | — | 7:27 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 16 | 17 | 18 |
Feels °C | 12 | 12 | 12 | 12 | 13 | 12 | 12 | 12 | 14 | 12 | 12 | 11 | 9 | 9 | 9 | 8 | 9 | 7 | 6 | 7 | 8 | 9 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 12 | WSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | WSW 10 | WSW 10 | SW 9 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 |
| kJ | 1229 | 943 | 875 | 806 | 725 | 664 | 530 | 500 | 457 | 250 | 406 | 1298 | 1476 | 1777 | 2392 | 2903 | 3025 | 2815 | 2626 | 2626 | 2462 | 2135 | 1783 |
Swell 2 Height (m) Direction Period (s) | NW 11 | SW 20 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 17 | SSW 12 | SSW 12 | SSW 12 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | — | — | — | — |
| kJ | 5 | 15 | 15 | 14 | 14 | 13 | 12 | 12 | 31 | 101 | 260 | 100 | 72 | 72 | 72 | 33 | 31 | 17 | 17 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SW 21 | NW 11 | NW 11 | NW 11 | W 10 | W 10 | W 10 | W 10 | SW 17 | WSW 17 | W 10 | WSW 10 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 17 | 5 | 4 | 4 | 2 | 2 | 2 | 2 | 11 | 27 | 161 | 80 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 5 | SSE 4 | SSE 4 | — | — | — | — | — | — | SSW 9 | SSW 9 | SSE 4 | SSE 4 | SE 5 | SE 5 | SSE 6 | SSE 6 | SE 6 | SSE 7 | SE 7 | SE 7 | SE 6 | SE 6 |
| kJ | 45 | 18 | 17 | — | — | — | — | — | — | 217 | 244 | 17 | 38 | 65 | 127 | 227 | 289 | 353 | 486 | 550 | 439 | 374 | 331 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 187 | 1430 | 400 | 34 | 34 | 26 | 26 | 26 | 26 | 417 | 417 | 61 | 37 | 37 | 37 | 41 | 187 | 1000 | 1000 | 400 | 48 | 41 | 41 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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