Surf Forecasts:
How big are the waves at Extensions today (12 Jun):
- Morning surf: Morning surf (12 Jun, local time) - 15ft (4.5m), 11s period with WSW swell.
- Afternoon surf: Afternoon surf (12 Jun, local time) - 11ft (3.5m), 11s period with WSW swell.
- Evening surf: Evening surf (12 Jun, local time) - 10ft (3.0m), 10s period with WSW swell.
The current surf forecast for Extensions at 1PM is: 4.0m 11s primary swell from a West-southwest direction (forecast issued at 07:00am June 12). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Jun) | 15ft (4.5m) | 11s |
| Afternoon (12 Jun) | 11ft (3.5m) | 11s |
| Evening (12 Jun) | 10ft (3.0m) | 10s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Sun night. Very mild (max 16°C on Fri morning, min 13°C on Fri night). Winds decreasing (fresh winds from the W on Fri morning, calm by Fri night). | ||||||||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | 2 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | SSW 12 | SSW 12 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 11 | SSW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 3408 | 4484 | 3960 | 3189 | 2429 | 2040 | 1724 | 1077 | 1973 | 2995 | 3383 | 3383 | 3383 | 3139 | 2663 | 2257 | 2068 | 1704 | 1553 | 1248 | 1106 | 931 | 1054 | 662 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | glassy | off | off | off | off | off | off | off | off | off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 1:04PM1.31m | 1:15AM1.51m | 1:56PM1.40m | 2:08AM1.57m | 2:45PM1.47m | |||||||||||||||||||
Low Tide | 6:51AM0.18m | 7:02PM0.29m | 7:44AM0.09m | 7:57PM0.22m | 8:33AM0.03m | 8:50PM0.16m | ||||||||||||||||||
 |  |  | | | | | |  |  | | | |  | | | | | | | | | | | |
 | 7:48 | — | — | — | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:48 | — | — | — | — | — | — | 7:50 |
 | — | — | — | — | 5:42 | — | — | — | — | — | — | — | 5:42 | — | — | — | — | — | — | — | 5:42 | — | — | 5:42 |
mm | 1 | — | 1 | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 1 | 1 |
Temp °C | 15 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 13 | 13 | 13 | 14 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 15 | 14 | 14 | 14 | 14 |
Feels °C | 5 | 7 | 8 | 9 | 10 | 11 | 14 | 13 | 9 | 9 | 8 | 9 | 10 | 8 | 10 | 11 | 11 | 10 | 9 | 10 | 8 | 9 | 8 | 8 |
Swell 1 Height (m) Direction Period (s) | — | — | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | W 10 | SSW 12 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 11 | SSW 11 |
| kJ | — | — | 3960 | 3189 | 2429 | 2040 | 1724 | 900 | 1973 | 2995 | 3383 | 3383 | 3383 | 3139 | 2663 | 2257 | 2068 | 1704 | 1553 | 1248 | 1106 | 931 | 1054 | 662 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SSW 13 | SSW 13 | SSW 12 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 10 | W 9 | W 9 | NW 12 | W 8 | NW 12 | NW 12 | W 9 |
| kJ | — | — | — | — | — | 55 | 92 | 1077 | 580 | 377 | 277 | 228 | 190 | 149 | 113 | 110 | 68 | 73 | 57 | 5 | 28 | 6 | 6 | 14 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | NW 15 | SW 15 | — | — | — | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 11 | NW 11 | NW 12 | NW 12 | E 11 | W 10 | NW 12 |
| kJ | — | — | — | — | — | — | 8 | 8 | — | — | — | 7 | 7 | 7 | 7 | 7 | 7 | 5 | 5 | 5 | 6 | 3 | 2 | 6 |
Wind waves Height (m) Direction Period (s) | WSW 11 | WSW 11 | — | — | — | — | — | — | — | — | — | — | ESE 4 | — | — | — | — | — | — | WNW 9 | NNW 3 | W 4 | WNW 4 | W 6 |
| kJ | 3408 | 4484 | — | — | — | — | — | — | — | — | — | — | 37 | — | — | — | — | — | — | 90 | 8 | 24 | 25 | 99 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 339 | 30 | 910 | 20 | 23 | 3 | 0 | 0 | 0 | 0 | 18 | 0 | 12 | 18 | 0 | 0 | 0 | 1 | 25 | 24 | 23 | 3 | 34 | 34 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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