Surf Forecasts:
How big are the waves at Extensions today (10 Nov):
- Afternoon surf: Afternoon surf (10 Nov, local time) - 4.5ft (1.3m), 12s period with WSW swell.
- Evening surf: Evening surf (10 Nov, local time) - 4.5ft (1.4m), 11s period with WSW swell.
The current surf forecast for Extensions at 10PM is: 1.4m 11s primary swell from a West-southwest direction and 0.4m 16s secondary swell from a Southwest direction (forecast issued at 07:00pm November 10). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Nov) | - | - |
| Afternoon (10 Nov) | 4.5ft (1.3m) | 12s |
| Evening (10 Nov) | 4.5ft (1.4m) | 11s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Wed afternoon, min 15°C on Thu night). Winds increasing (calm on Tue night, fresh winds from the S by Thu afternoon). | |||||||||||||||||||||
Tue 10 | Wednesday 11 | Thursday 12 | Fri 13 | ||||||||||||||||||
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) | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | SW 14 | SW 14 | SW 13 | SW 13 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | SW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 444 | 446 | 460 | 444 | 427 | 476 | 1184 | 1659 | 2046 | 1751 | 1694 | 1655 | 1521 | 1396 | 1302 | 943 | 724 | 673 | 661 | 584 | 570 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | on | cross-on | cross-on | cross-on | on | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 3:33PM1.47m | 3:58AM1.40m | 4:04PM1.41m | 4:30AM1.35m | 4:37PM1.34m | ||||||||||||||||
Low Tide | 9:49PM0.14m | 10:01AM0.27m | 10:20PM0.20m | 10:33AM0.32m | 10:51PM0.27m | ||||||||||||||||
 |  | | | | | |  | | | |  | | | | | | | | | | |
 | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 |
 | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:23 | — | — | — | 7:24 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 17 | 16 | 16 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 |
Feels °C | 16 | 17 | 18 | 17 | 16 | 17 | 15 | 15 | 17 | 15 | 12 | 12 | 12 | 11 | 10 | 10 | 10 | 11 | 11 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | W 10 | SW 14 | SW 13 | SW 13 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | SW 10 |
| kJ | 444 | 446 | 460 | 444 | 427 | 255 | 1184 | 1659 | 2046 | 1751 | 1694 | 1655 | 1521 | 1396 | 1302 | 943 | 724 | 673 | 661 | 584 | 570 |
Swell 2 Height (m) Direction Period (s) | S 10 | SW 4 | SW 16 | SW 15 | SW 15 | SW 14 | W 10 | W 10 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | SW 20 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 |
| kJ | 51 | 5 | 63 | 113 | 217 | 476 | 226 | 100 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 15 | 15 | 14 | 14 | 13 | 12 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SW 10 | SE 9 | NW 11 | — | — | — | — | — | S 21 | SW 21 | NW 11 | NW 11 | W 11 | W 10 | — | W 10 |
| kJ | 40 | 19 | 19 | 9 | 8 | 127 | 3 | 5 | — | — | — | — | — | 9 | 17 | 5 | 4 | 2 | 2 | — | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 5 | SSE 5 | SSE 4 | S 5 | SSE 5 | SSE 4 | SSE 4 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 45 | 69 | 36 | 55 | 45 | 22 | 17 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 12 | 337 | 3 | 0 | 1 | 1 | 1 | 3 | 3 | 5 | 35 | 12 | 26 | 27 | 34 | 34 | 337 | 400 | 400 | 34 | 34 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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