Surf Forecasts:
How big are the waves at Extensions today (28 Aug):
- Morning surf: Morning surf (28 Aug, local time) - 4ft (1.2m), 11s period with S swell.
- Afternoon surf: Afternoon surf (28 Aug, local time) - 3.5ft (1.0m), 14s period with WSW swell.
- Evening surf: Evening surf (28 Aug, local time) - 4ft (1.2m), 14s period with WSW swell.
The current surf forecast for Extensions at 9AM is: 1.2m 11s primary swell from a South direction and 0.8m 16s secondary swell from a West-southwest direction (forecast issued at 01:00am August 28). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Aug) | 4ft (1.2m) | 11s |
| Afternoon (28 Aug) | 3.5ft (1.0m) | 14s |
| Evening (28 Aug) | 4ft (1.2m) | 14s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat afternoon. Very mild (max 16°C on Fri night, min 12°C on Sun night). Winds increasing (light winds from the SSE on Fri night, fresh winds from the SSE by Sun afternoon). | ||||||||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | ||||||||||||||||||||||
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) | S 11 | S 11 | S 11 | S 11 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | WSW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 465 | 394 | 335 | 326 | 352 | 569 | 549 | 595 | 461 | 577 | 577 | 1145 | 1370 | 1941 | 947 | 817 | 1077 | 2415 | 2445 | 2272 | 1914 | 1765 | 1713 | 1402 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | cross | cross-off | cross-off | cross | cross | cross | cross | off | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 3:14AM1.47m | 3:33PM1.59m | 3:44AM1.50m | 4:01PM1.63m | 4:15AM1.50m | 4:31PM1.63m | ||||||||||||||||||
Low Tide | 9:22AM0.08m | 9:44PM0.10m | 9:49AM0.06m | 10:14PM0.07m | 10:18AM0.07m | 10:45PM0.07m | ||||||||||||||||||
 |  |  | |  |  | | | | | | | |  | | |  | | | | | | | | |
 | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:25 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 14 | 14 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 14 | 14 | 13 | 13 | 13 | 13 |
Feels °C | 14 | 13 | 13 | 12 | 14 | 13 | 15 | 12 | 14 | 11 | 14 | 13 | 9 | 9 | 8 | 8 | 8 | 6 | 7 | 7 | 5 | 5 | 6 | 7 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | S 11 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | SW 9 | SW 9 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | WSW 12 |
| kJ | 465 | 394 | 335 | 326 | 267 | 569 | 549 | 595 | 461 | 577 | 577 | 1145 | 1370 | 1941 | 947 | 655 | 554 | 2415 | 2445 | 2272 | 1914 | 1765 | 1713 | 1402 |
Swell 2 Height (m) Direction Period (s) | WSW 11 | WSW 11 | WSW 16 | WSW 11 | WSW 14 | S 10 | S 10 | S 10 | S 10 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | WSW 13 | WSW 13 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
| kJ | 126 | 123 | 280 | 121 | 352 | 214 | 167 | 133 | 130 | 248 | 189 | 90 | 91 | 97 | 74 | 817 | 1077 | 23 | 23 | 22 | 11 | 20 | 10 | 10 |
Swell 3 Height (m) Direction Period (s) | WSW 15 | WSW 15 | WSW 11 | WSW 16 | WSW 11 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | WSW 17 | WSW 17 | SSE 13 | SE 13 | S 11 | ESE 8 | SSE 12 | SSE 11 | — | — | E 12 | E 13 | E 13 | E 13 | — |
| kJ | 146 | 199 | 121 | 198 | 90 | 63 | 105 | 137 | 133 | 170 | 172 | 68 | 44 | 86 | 6 | 53 | 40 | — | — | 3 | 3 | 3 | 3 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SW 10 | SW 9 | SW 9 | — | — | — | — | — | — | — | — | SE 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 341 | 593 | 595 | — | — | — | — | — | — | — | — | 28 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 1 | 1 | 1 | 12 | 0 | 0 | 26 | 12 | 26 | 12 | 0 | 59 | 271 | 26 | 26 | 26 | 34 | 34 | 34 | 315 | 337 | 87 | 27 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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