Surf Forecasts:
How big are the waves at Extensions today (11 Jun):
- Afternoon surf: Afternoon surf (11 Jun, local time) - 7ft (2.1m), 12s period with WSW swell.
- Evening surf: Evening surf (11 Jun, local time) - 7ft (2.2m), 12s period with WSW swell.
The current surf forecast for Extensions at 11PM is: 3.0m 12s primary swell from a West direction and 0.1m 13s secondary swell from a Northwest direction, 0.1m 16s secondary swell from a Northwest direction (forecast issued at 07:00pm June 11). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Jun) | - | - |
| Afternoon (11 Jun) | 7ft (2.1m) | 12s |
| Evening (11 Jun) | 7ft (2.2m) | 12s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 13mm), heaviest on Thu night. Very mild (max 16°C on Thu night, min 13°C on Fri night). Winds decreasing (strong winds from the NNW on Thu night, calm by Fri night). | ||||||||||||||||||||||||
Thu 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
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 | 8 AM | 11 AM | 2 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | WSW 12 | WSW 12 | W 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | SSW 12 | SSW 12 | SSW 12 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1227 | 1336 | 2676 | 2540 | 3360 | 4032 | 3609 | 2877 | 2249 | 1768 | 1538 | 1077 | 1751 | 2728 | 3383 | 3383 | 3139 | 2884 | 2622 | 2221 | 1866 | 1677 | 1412 | 1338 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | on | on | on | on | on | on | on | on | cross-on | glassy | off | off | off | off | off | off | off | cross-off | cross | cross-on | cross-on | cross-on |
High Tide | 00:19AM1.44m | 1:04PM1.31m | 1:15AM1.51m | 1:56PM1.40m | 2:08AM1.57m | |||||||||||||||||||
Low Tide | 6:02PM0.37m | 6:51AM0.18m | 7:02PM0.29m | 7:44AM0.09m | 7:57PM0.22m | 8:33AM0.03m | ||||||||||||||||||
 |  |  |  | |  | | | | | | | |  | |  | | | | | | | | | |
 | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:48 | — | — | — |
 | 5:42 | — | — | — | — | — | — | — | 5:42 | — | — | — | — | — | — | — | 5:42 | — | — | — | — | — | — | 5:42 |
mm | — | 1 | 4 | — | 1 | 1 | 1 | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 15 | 15 | 15 | 14 | 13 | 13 | 13 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 |
Feels °C | 7 | 8 | 9 | 7 | 6 | 7 | 7 | 9 | 9 | 12 | 13 | 13 | 11 | 9 | 8 | 10 | 10 | 10 | 11 | 12 | 12 | 11 | 9 | 8 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | NW 13 | NW 16 | — | — | — | WSW 11 | WSW 11 | WSW 10 | WSW 10 | W 10 | SSW 12 | SSW 12 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 |
| kJ | 1227 | 1336 | 7 | 10 | — | — | — | 2877 | 2249 | 1768 | 1538 | 808 | 1751 | 2728 | 3383 | 3383 | 3139 | 2884 | 2622 | 2221 | 1866 | 1677 | 1412 | 1338 |
Swell 2 Height (m) Direction Period (s) | — | W 16 | NW 16 | — | — | — | — | — | — | SSW 13 | SSW 13 | SSW 12 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | NW 12 |
| kJ | — | 5 | 10 | — | — | — | — | — | — | 55 | 90 | 1077 | 656 | 377 | 279 | 228 | 190 | 154 | 123 | 116 | 94 | 80 | 83 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | NW 15 | SW 15 | — | — | NW 11 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 11 | NW 11 | NW 11 | NW 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | 8 | 8 | — | — | 5 | 7 | 7 | 7 | 7 | 7 | 5 | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | NW 6 | NW 6 | W 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | — | — | — | — | — | — | — | — | — | ESE 4 | — | E 4 | — | — | — | — | NNW 3 |
| kJ | 266 | 353 | 2676 | 2540 | 3360 | 4032 | 3609 | — | — | — | — | — | — | — | — | — | 30 | — | 16 | — | — | — | — | 8 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 167 | 167 | 167 | 315 | 453 | 842 | 187 | 20 | 187 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 12 | 18 | 0 | 0 | 1 | 1 | 1 | 24 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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