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 5AM is: 1.1m 11s primary swell from a Southwest direction (forecast issued at 01:00am September 22). An open ocean swell of 0.9m 6s is not directed at the surf break, a second open ocean swell of 1.4m 6s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| 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 ForecastSome drizzle, heaviest during Tue night. Warm (max 24°C on Tue afternoon, min 15°C on Tue night). Winds increasing (light winds from the WSW on Tue night, strong winds from the ESE by Wed night). | ||||||||||||||||||||||||
Tuesday 22 | Wednesday 23 | Thursday 24 | ||||||||||||||||||||||
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 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 | S 7 | SW 10 | SW 10 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 314 | 303 | 400 | 431 | 379 | 367 | 435 | 384 | 414 | 332 | 287 | 254 | 216 | 187 | 154 | 122 | 100 | 160 | 366 | 806 | 1145 | 1442 | 1370 | 1309 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | on | on | on | cross-on | on | on | on | on | on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 00:35AM1.10m | 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 21 | 23 | 23 | 24 | 21 | 20 | 18 | 16 | 15 | 15 | 15 | 16 | 16 | 16 | 17 | 16 | 16 | 16 | 17 | 19 | 18 | 20 | 19 |
Feels °C | 18 | 21 | 23 | 22 | 23 | 19 | 20 | 18 | 15 | 15 | 15 | 15 | 16 | 14 | 12 | 11 | 10 | 11 | 12 | 13 | 16 | 13 | 16 | 18 |
Swell 1 Height (m) Direction Period (s) | SW 11 | 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 |
| kJ | 314 | 303 | 400 | 431 | 379 | 367 | 435 | 384 | 414 | 332 | 287 | 254 | 216 | 187 | 154 | 122 | 100 | 98 | 366 | 806 | 1145 | 1442 | 1370 | 1309 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SE 6 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | SE 7 | SE 7 | S 13 | SE 6 | SE 6 | SE 6 | SE 6 | SSE 11 | S 11 | SW 14 | SSW 18 | SSW 17 | SW 10 | SW 11 | SW 12 | — | — | — |
| kJ | 200 | 64 | 170 | 128 | 86 | 80 | 17 | 8 | 14 | 10 | 10 | 6 | 10 | 13 | 9 | 7 | 30 | 160 | 96 | 117 | 142 | — | — | — |
Swell 3 Height (m) Direction Period (s) | SSW 11 | SW 14 | SE 6 | SE 7 | SE 7 | SE 7 | S 15 | S 14 | SSE 13 | S 13 | SSE 12 | SSE 12 | W 9 | — | — | — | SW 14 | SW 14 | — | WSW 12 | — | — | — | — |
| kJ | 85 | 186 | 51 | 35 | 22 | 16 | 4 | 4 | 17 | 13 | 15 | 14 | 6 | — | — | — | 7 | 7 | — | 29 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 6 | ESE 6 | — | — | — | — | — | — | — | — | — | — | — | SE 6 | S 7 | SSE 6 | SSE 7 | SE 7 | SE 7 | SE 7 | SSE 7 | SE 7 | SE 7 | SSE 7 |
| kJ | 82 | 155 | — | — | — | — | — | — | — | — | — | — | — | 11 | 154 | 272 | 424 | 424 | 362 | 321 | 266 | 233 | 227 | 175 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 1 | 1 | 5 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 12 | 25 | 25 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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