Surf Forecasts:
How big are the waves at Extensions today (29 Aug):
- Morning surf: Morning surf (29 Aug, local time) - 4.5ft (1.4m), 14s period with WSW swell.
- Afternoon surf: Afternoon surf (29 Aug, local time) - 7ft (2.1m), 14s period with WSW swell.
- Evening surf: Evening surf (29 Aug, local time) - 5ft (1.5m), 14s period with WSW swell.
The current surf forecast for Extensions at 3PM is: 2.1m 14s primary swell from a West-southwest direction (forecast issued at 07:00am August 29). An open ocean swell of 0.6m 11s is not directed at the surf break, a second open ocean swell of 0.4m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Aug) | 4.5ft (1.4m) | 14s |
| Afternoon (29 Aug) | 7ft (2.1m) | 14s |
| Evening (29 Aug) | 5ft (1.5m) | 14s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Sat morning, min 11°C on Sun night). Mainly fresh winds. | |||||||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | |||||||||||||||||||||
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) | WSW 13 | WSW 13 | WSW 15 | WSW 14 | SW 10 | WSW 14 | WSW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 577 | 577 | 1145 | 1809 | 828 | 841 | 805 | 1264 | 2561 | 2377 | 2207 | 1944 | 1880 | 1735 | 1422 | 1316 | 1396 | 1208 | 1103 | 911 | 860 | 524 | 551 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | glassy | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross |
High Tide | 4:01PM1.63m | 4:15AM1.50m | 4:31PM1.63m | 4:48AM1.47m | 5:03PM1.60m | ||||||||||||||||||
Low Tide | 9:49AM0.06m | 10:14PM0.07m | 10:18AM0.07m | 10:45PM0.07m | 10:48AM0.10m | ||||||||||||||||||
 |  | | |  |  | |  | |  | | | | | | | | | | | | | | |
 | 7:09 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — |
 | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:25 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 16 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 12 | 12 | 12 | 12 | 12 |
Feels °C | 12 | 13 | 15 | 8 | 9 | 9 | 8 | 7 | 7 | 7 | 7 | 6 | 5 | 5 | 4 | 6 | 5 | 6 | 7 | 8 | 8 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 15 | SSE 11 | WSW 14 | SW 8 | SW 9 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 |
| kJ | 577 | 577 | 1145 | 91 | 756 | 649 | 680 | 1264 | 2561 | 2377 | 2207 | 1944 | 1880 | 1735 | 1422 | 1316 | 1396 | 1208 | 1103 | 911 | 860 | 524 | 551 |
Swell 2 Height (m) Direction Period (s) | SSE 12 | S 12 | SSE 11 | SE 13 | SSE 11 | WSW 14 | WSW 13 | SW 8 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SE 10 | SE 10 | SSE 10 | SSE 10 | S 10 | SE 11 | SE 11 | SE 11 | SE 10 | WSW 11 | WSW 11 |
| kJ | 248 | 228 | 90 | 44 | 97 | 841 | 805 | 448 | 23 | 23 | 22 | 11 | 26 | 25 | 10 | 10 | 2 | 5 | 5 | 4 | 4 | 373 | 270 |
Swell 3 Height (m) Direction Period (s) | WSW 17 | WSW 17 | SSE 13 | SE 13 | ESE 8 | SSE 11 | SSE 12 | SSE 11 | — | E 12 | E 12 | E 12 | — | — | — | — | — | — | — | — | — | SSW 14 | SSW 13 |
| kJ | 170 | 172 | 68 | 46 | 12 | 74 | 75 | 40 | — | 3 | 3 | 3 | — | — | — | — | — | — | — | — | — | 71 | 313 |
Wind waves Height (m) Direction Period (s) | — | SW 3 | — | WSW 14 | SW 10 | — | — | — | — | — | — | SSE 4 | — | — | SE 5 | SE 4 | — | ESE 4 | SE 4 | — | — | — | — |
| kJ | — | 3 | — | 1809 | 828 | — | — | — | — | — | — | 24 | — | — | 49 | 34 | — | 7 | 8 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 26 | 0 | 0 | 155 | 315 | 26 | 26 | 34 | 34 | 33 | 34 | 337 | 337 | 76 | 33 | 30 | 30 | 12 | 12 | 12 | 26 | 0 | 12 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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