Surf Forecasts:
How big are the waves at Extensions today (01 Sep):
- Morning surf: Morning surf (01 Sep, local time) - 10ft (3.0m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (01 Sep, local time) - 11ft (3.5m), 13s period with SW swell.
- Evening surf: Evening surf (01 Sep, local time) - 11ft (3.5m), 14s period with SW swell.
The current surf forecast for Extensions at 6AM is: 3.0m 13s primary swell from a Southwest direction (forecast issued at 01:00am September 01). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Sep) | 10ft (3.0m) | 13s |
| Afternoon (01 Sep) | 11ft (3.5m) | 13s |
| Evening (01 Sep) | 11ft (3.5m) | 14s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Thu afternoon. Very mild (max 15°C on Tue night, min 12°C on Thu morning). Winds increasing (calm on Tue morning, near gales from the SE by Thu afternoon). | ||||||||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1562 | 2166 | 2699 | 3112 | 3415 | 4063 | 4292 | 4356 | 4435 | 4269 | 3992 | 3471 | 3122 | 2837 | 2528 | 1968 | 1700 | 1420 | 1227 | 1036 | 984 | 599 | 469 | 399 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | glassy | cross-on | on | cross-on | cross-on | glassy | glassy | cross-off | cross-off | cross-off | cross | cross-off | off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:22AM1.41m | 5:38PM1.52m | 6:00AM1.32m | 6:18PM1.41m | 6:47AM1.20m | 7:10PM1.28m | ||||||||||||||||||
Low Tide | 11:18PM0.11m | 11:22AM0.17m | 11:55PM0.19m | 11:59AM0.27m | 00:39AM0.30m | 12:45PM0.40m | ||||||||||||||||||
 | |  | | | |  | | | | | | | | | | |  |  |  | | | | | |
 | — | 7:05 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 4 | — | — | — |
Temp °C | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 14 | 13 | 12 | 14 | 13 | 15 | 15 | 14 |
Feels °C | 11 | 12 | 12 | 13 | 9 | 12 | 11 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 11 | 10 | 9 | 10 | 2 | 4 | 4 | 3 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 |
| kJ | 1562 | 2166 | 2699 | 3112 | 3415 | 4063 | 4292 | 4356 | 4435 | 4269 | 3992 | 3471 | 3122 | 2837 | 2528 | 1968 | 1700 | 1420 | 1227 | 1036 | 984 | 599 | 469 | 399 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 11 | S 10 | S 10 | S 9 | SSW 10 | W 12 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 224 | 179 | 181 | 140 | 256 | 76 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 5 | — | W 16 | W 14 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 33 | — | 5 | 136 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 9 | — | — | — | SSE 8 | SSE 9 | SSE 9 | SSE 9 | SSE 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 265 | — | — | — | 910 | 1889 | 1524 | 1461 | 1414 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 3 | 5 | 5 | 0 | 20 | 1 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 20 | 3 | 1 | 12 | 794 | 597 | 910 | 226 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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