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) - 10ft (3.0m), 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 7PM is: 3.5m 13s primary swell from a Southwest direction (forecast issued at 01:00pm September 01). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Sep) | 10ft (3.0m) | 13s |
| Afternoon (01 Sep) | 10ft (3.0m) | 13s |
| Evening (01 Sep) | 11ft (3.5m) | 14s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Thu afternoon. Very mild (max 15°C on Wed afternoon, min 13°C on Tue afternoon). Winds increasing (light winds from the S on Wed afternoon, near gales from the SE by Thu night). | |||||||||||||||||||||
Tue 1 | Wednesday 2 | Thursday 3 | |||||||||||||||||||
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 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 | S 9 | WSW 12 | WSW 12 | WSW 12 | WSW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3112 | 3415 | 3905 | 4292 | 4356 | 4247 | 4111 | 3845 | 3471 | 3000 | 2837 | 2528 | 1939 | 1700 | 1481 | 1227 | 1797 | 656 | 557 | 469 | 380 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:38PM1.52m | 6:00AM1.32m | 6:18PM1.41m | 6:47AM1.20m | 7:10PM1.28m | ||||||||||||||||
Low Tide | 11:22AM0.17m | 11:55PM0.19m | 11:59AM0.27m | 00:39AM0.30m | 12:45PM0.40m | ||||||||||||||||
 | | |  | | | | | | |  | | | | |  |  | |  | | | |
 | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — |
 | — | — | 6:27 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 4 | — | — | — |
Temp °C | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 14 | 15 | 14 |
Feels °C | 12 | 10 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 13 | 14 | 14 | 13 | 13 | 13 | 12 | 7 | 3 | 4 | 4 | 3 |
Swell 1 Height (m) Direction Period (s) | 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 | SSW 9 |
| kJ | 3112 | 3415 | 3905 | 4292 | 4356 | 4247 | 4111 | 3845 | 3471 | 3000 | 2837 | 2528 | 1939 | 1700 | 1481 | 1227 | 920 | 656 | 557 | 469 | 348 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | S 11 | S 10 | S 10 | S 9 | — | — | — | W 8 | WSW 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 182 | 179 | 188 | 198 | — | — | — | 1 | 380 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 6 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 14 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1797 | 2459 | 1588 | 1622 | 1247 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 1 | 1 | 1 | 5 | 0 | 0 | 0 | 12 | 12 | 5 | 0 | 0 | 0 | 0 | 0 | 30 | 187 | 597 | 1003 | 281 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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