Surf Forecasts:
How big are the waves at Extensions today (22 Sep):
- Morning surf: Morning surf (22 Sep, local time) - 3.5ft (1.1m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (22 Sep, local time) - 3.5ft (1.1m), 12s period with SW swell.
- Evening surf: Evening surf (22 Sep, local time) - 4.5ft (1.3m), 12s period with SW swell.
The current surf forecast for Extensions at 1PM is: 1.1m 12s primary swell from a Southwest direction and 0.6m 10s secondary swell from a West-southwest direction (forecast issued at 07:00am September 22). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Sep) | 3.5ft (1.1m) | 13s |
| Afternoon (22 Sep) | 3.5ft (1.1m) | 12s |
| Evening (22 Sep) | 4.5ft (1.3m) | 12s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Tue afternoon. Warm (max 24°C on Tue afternoon, min 15°C on Tue night). Winds increasing (calm on Tue afternoon, strong winds from the SE by Wed night). | |||||||||||||||||||||||
Tuesday 22 | Wednesday 23 | Thursday 24 | |||||||||||||||||||||
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 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 303 | 400 | 431 | 379 | 367 | 435 | 384 | 414 | 332 | 254 | 254 | 216 | 187 | 157 | 122 | 100 | 112 | 371 | 938 | 1292 | 1463 | 1370 | 1198 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | on | on | glassy | glassy | glassy | on | cross-on | cross-on | on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 1:03PM1.21m | 1:12AM1.22m | 1:33PM1.34m | 1:44AM1.33m | 2:01PM1.47m | ||||||||||||||||||
Low Tide | 6:53AM0.44m | 7:17PM0.43m | 7:23AM0.33m | 7:47PM0.30m | 7:52AM0.23m | 8:15PM0.18m | |||||||||||||||||
 |  | |  |  |  | | | | |  | | | |  | | |  | | | | | | |
 | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — |
 | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:43 | — | — |
mm | — | — | — | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 23 | 23 | 24 | 20 | 20 | 19 | 18 | 15 | 15 | 15 | 15 | 16 | 17 | 17 | 17 | 18 | 18 | 19 | 21 | 22 | 21 | 22 |
Feels °C | 20 | 22 | 22 | 23 | 21 | 21 | 20 | 18 | 13 | 15 | 15 | 14 | 12 | 10 | 10 | 13 | 14 | 16 | 18 | 20 | 21 | 20 | 22 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SE 7 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 |
| kJ | 303 | 400 | 431 | 379 | 367 | 435 | 384 | 414 | 332 | 254 | 254 | 216 | 187 | 157 | 122 | 100 | 100 | 194 | 938 | 1292 | 1463 | 1370 | 1198 |
Swell 2 Height (m) Direction Period (s) | SE 6 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | SE 6 | SE 7 | S 13 | SE 7 | SE 6 | SE 6 | SE 6 | S 11 | NW 5 | SW 14 | SSW 18 | SSW 17 | SSW 16 | SSE 7 | SE 7 | SSE 7 | SE 7 | SE 7 |
| kJ | 64 | 170 | 128 | 86 | 80 | 11 | 7 | 14 | 11 | 10 | 10 | 10 | 10 | 1 | 7 | 30 | 112 | 371 | 159 | 109 | 99 | 106 | 106 |
Swell 3 Height (m) Direction Period (s) | SW 14 | SE 6 | SE 6 | SE 7 | SE 6 | S 15 | S 14 | SSE 13 | S 13 | SSE 12 | SSE 12 | W 9 | NNW 5 | — | — | SW 14 | SW 14 | SW 10 | WSW 10 | WSW 11 | — | — | — |
| kJ | 186 | 40 | 34 | 21 | 14 | 4 | 4 | 17 | 13 | 15 | 14 | 6 | 2 | — | — | 7 | 7 | 102 | 73 | 81 | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 6 | — | — | — | — | — | — | — | — | — | — | — | SSE 3 | SE 6 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | — | SE 7 | SE 7 | SE 7 |
| kJ | 175 | — | — | — | — | — | — | — | — | — | — | — | 6 | 200 | 411 | 321 | 271 | 474 | 313 | — | 218 | 258 | 210 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 27 | 37 | 30 | 25 | 25 | 18 | 12 | 12 | 12 | 12 | 12 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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