Surf Forecasts:
How big are the waves at Extensions today (11 Jun):
- Morning surf: Morning surf (11 Jun, local time) - 6.5ft (2.0m), 12s period with WSW swell.
- 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 8PM is: 2.2m 12s primary swell from a West-southwest direction and 0.1m 16s secondary swell from a West direction, 2.0m 6s secondary swell from a Northwest direction (forecast issued at 01:00pm June 11). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Jun) | 6.5ft (2.0m) | 12s |
| 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 12mm), heaviest on Thu night. Very mild (max 16°C on Thu afternoon, min 13°C on Fri night). Winds decreasing (strong winds from the NNW on Thu afternoon, calm by Fri night). | ||||||||||||||||||||||||
Thu 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
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 | 8 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 12 | WSW 12 | W 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | SSW 12 | SSW 12 | SSW 12 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1117 | 1125 | 1227 | 1402 | 2676 | 2540 | 3362 | 4032 | 3310 | 2622 | 2080 | 1768 | 1538 | 1087 | 1751 | 2773 | 3436 | 3436 | 3314 | 3070 | 2663 | 2257 | 2005 | 1704 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross | on | on | on | on | on | on | on | on | glassy | glassy | off | off | off | off | off | off | off | off | cross-off | cross |
High Tide | 12:07PM1.22m | 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 | |||||||||||||||||||
 | | |  |  |  | |  | | |  | | | | | | |  | | | | | | | |
 | — | — | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:48 | — |
 | — | — | 5:42 | — | — | — | — | — | — | — | 5:42 | — | — | — | — | — | — | — | 5:42 | — | — | — | — | 5:42 |
mm | — | — | — | 1 | 5 | — | 1 | 1 | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 15 | 15 | 15 | 14 | 13 | 13 | 13 | 14 | 15 | 15 | 14 | 13 | 13 | 13 |
Feels °C | 8 | 8 | 7 | 8 | 9 | 7 | 6 | 7 | 8 | 9 | 9 | 11 | 13 | 13 | 11 | 9 | 8 | 9 | 10 | 10 | 10 | 11 | 11 | 9 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 12 | WSW 12 | NW 13 | NW 16 | — | — | — | WSW 11 | WSW 10 | WSW 10 | WSW 10 | SSW 12 | SSW 12 | SSW 12 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 |
| kJ | 1117 | 1125 | 1227 | 1402 | 7 | 10 | — | — | — | 2622 | 2080 | 1768 | 1538 | 1087 | 1751 | 2773 | 3436 | 3436 | 3314 | 3070 | 2663 | 2257 | 2005 | 1704 |
Swell 2 Height (m) Direction Period (s) | S 11 | E 9 | — | W 16 | — | — | — | — | — | — | — | SSW 13 | SSW 13 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 |
| kJ | 9 | 2 | — | 5 | — | — | — | — | — | — | — | 55 | 90 | 730 | 575 | 371 | 279 | 228 | 190 | 148 | 120 | 92 | 89 | 61 |
Swell 3 Height (m) Direction Period (s) | W 13 | — | — | — | — | — | — | — | — | — | — | NW 15 | NW 15 | SW 15 | WSW 15 | — | NW 11 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 11 | NW 11 |
| kJ | 3 | — | — | — | — | — | — | — | — | — | — | 8 | 8 | 8 | 21 | — | 5 | 7 | 7 | 7 | 7 | 7 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | NW 4 | NNW 5 | NW 6 | NW 6 | W 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | — | — | — | — | — | — | — | — | — | ESE 5 | ESE 5 | ESE 5 | E 4 | — | — |
| kJ | 40 | 119 | 257 | 301 | 2676 | 2540 | 3362 | 4032 | 3310 | — | — | — | — | — | — | — | — | — | 59 | 102 | 77 | 12 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 167 | 264 | 167 | 167 | 167 | 315 | 453 | 842 | 30 | 23 | 187 | 3 | 0 | 0 | 0 | 0 | 18 | 0 | 20 | 18 | 0 | 0 | 0 | 20 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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