Surf Forecasts:
How big are the waves at Extensions today (10 Jun):
- Afternoon surf: Afternoon surf (10 Jun, local time) - 7ft (2.1m), 12s period with SW swell.
- Evening surf: Evening surf (10 Jun, local time) - 7ft (2.1m), 12s period with SW swell.
The current surf forecast for Extensions at 11PM is: 2.0m 12s primary swell from a Southwest direction and 0.2m 8s secondary swell from a West-northwest direction (forecast issued at 07:00pm June 10). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Jun) | - | - |
| Afternoon (10 Jun) | 7ft (2.1m) | 12s |
| Evening (10 Jun) | 7ft (2.1m) | 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 12mm), heaviest on Thu night. Very mild (max 17°C on Thu afternoon, min 13°C on Sat morning). Winds increasing (calm on Wed night, strong winds from the NNW by Thu night). | ||||||||||||||||||||||||
Wed 10 | Thursday 11 | Friday 12 | Sat 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 | 8 AM | 11 AM | 2 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | W 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | SSW 12 | SSW 12 | SSW 12 | SSW 13 | SSW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1141 | 1141 | 1055 | 1305 | 1317 | 1241 | 1163 | 1280 | 1336 | 1449 | 2171 | 2638 | 2638 | 2432 | 2211 | 1960 | 1644 | 1450 | 1210 | 874 | 1388 | 2151 | 2860 | 2817 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross | on | on | on | on | on | on | on | on | cross-on | glassy | cross-off | off | cross-off | cross-off |
High Tide | 11:21PM1.36m | 12:07PM1.22m | 00:19AM1.44m | 1:04PM1.31m | 1:15AM1.51m | 1:56PM1.40m | ||||||||||||||||||
Low Tide | 4:57PM0.44m | 5:56AM0.28m | 6:02PM0.37m | 6:51AM0.18m | 7:02PM0.29m | 7:44AM0.09m | ||||||||||||||||||
 |  |  | | | | | |  |  |  |  |  |  | | | | | | | | | | | |
 | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:48 | — | — | — |
 | 5:42 | — | — | — | — | — | — | — | 5:42 | — | — | — | — | — | — | — | 5:42 | — | — | — | — | — | — | 5:42 |
mm | — | — | — | — | — | — | — | — | — | — | 6 | 1 | 1 | 1 | — | — | 1 | 1 | 1 | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 14 |
Feels °C | 14 | 14 | 14 | 14 | 11 | 10 | 9 | 9 | 8 | 8 | 11 | 8 | 8 | 8 | 10 | 9 | 11 | 12 | 13 | 13 | 13 | 11 | 9 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | NW 13 | NW 16 | WSW 12 | NW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | W 10 | SSW 12 | SSW 12 | SSW 13 | SSW 13 |
| kJ | 1141 | 1141 | 1055 | 1305 | 1317 | 1241 | 1163 | 1280 | 1336 | 1449 | 7 | 10 | 1686 | 6 | 2211 | 1960 | 1644 | 1450 | 1210 | 669 | 1388 | 2151 | 2860 | 2817 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | WNW 7 | S 11 | S 11 | S 11 | E 9 | — | W 16 | NW 16 | — | — | — | — | — | — | NW 15 | SSW 13 | SSW 12 | W 10 | W 10 | W 10 | W 10 |
| kJ | 6 | 6 | 6 | 5 | 9 | 9 | 9 | 2 | — | 5 | 10 | — | — | — | — | — | — | 8 | 90 | 874 | 426 | 363 | 268 | 188 |
Swell 3 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 11 | NW 11 | WNW 7 | NW 11 | NW 11 | — | — | — | — | — | — | — | — | — | — | NW 15 | NW 12 | SW 10 | SSW 16 | — | NW 11 | NW 13 |
| kJ | 5 | 5 | 5 | 5 | 5 | 5 | 5 | — | — | — | — | — | — | — | — | — | — | 8 | 6 | 16 | 53 | — | 5 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | WNW 7 | NNW 4 | NNW 5 | NW 5 | NNW 6 | W 12 | WSW 12 | WSW 12 | WSW 11 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 5 | 21 | 71 | 133 | 235 | 2171 | 2638 | 2638 | 2432 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 5 | 1 | 1 | 35 | 59 | 167 | 167 | 167 | 20 | 318 | 187 | 35 | 5 | 5 | 5 | 1 | 1 | 0 | 0 | 0 | 12 | 12 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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