Surf Forecasts:
How big are the waves at Extensions today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 8ft (2.5m), 13s period with WSW swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 8ft (2.5m), 12s period with SW swell.
- Evening surf: Evening surf (30 Aug, local time) - 8ft (2.4m), 12s period with WSW swell.
The current surf forecast for Extensions at 12PM is: 2.5m 12s primary swell from a Southwest direction (forecast issued at 07:00am August 30). An open ocean swell of 0.3m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | 8ft (2.5m) | 13s |
| Afternoon (30 Aug) | 8ft (2.5m) | 12s |
| Evening (30 Aug) | 8ft (2.4m) | 12s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 14°C on Sun morning, min 12°C on Sun night). Winds decreasing (fresh winds from the SSE on Sun afternoon, calm by Tue morning). | |||||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | |||||||||||||||||||||
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 | SW 12 | SW 12 | SW 12 | WSW 12 | SW 12 | WSW 12 | SW 12 | SW 12 | WSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 2460 | 2385 | 2172 | 2035 | 1769 | 1624 | 1521 | 1259 | 1323 | 1142 | 1045 | 911 | 949 | 534 | 901 | 1535 | 2166 | 2639 | 2824 | 3066 | 3677 | 4243 | 4858 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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-on | glassy | cross-on | glassy | glassy | cross-on | cross-on | cross | cross-off | cross-off |
High Tide | 4:31PM1.63m | 4:48AM1.47m | 5:03PM1.60m | 5:22AM1.41m | 5:38PM1.52m | ||||||||||||||||||
Low Tide | 10:18AM0.07m | 10:45PM0.07m | 10:48AM0.10m | 11:18PM0.11m | 11:22AM0.17m | ||||||||||||||||||
 |  |  | | |  | | | | | | | | | | | | | | | | | | |
 | 7:07 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — |
 | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:27 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 13 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 |
Feels °C | 7 | 7 | 7 | 6 | 6 | 7 | 6 | 6 | 7 | 8 | 9 | 10 | 10 | 10 | 11 | 11 | 12 | 13 | 10 | 12 | 13 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | SW 12 | SW 12 | SW 12 | WSW 12 | SW 12 | WSW 12 | SW 12 | SW 12 | WSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 |
| kJ | 2460 | 2385 | 2172 | 2035 | 1769 | 1624 | 1521 | 1259 | 1323 | 1142 | 1045 | 911 | 949 | 534 | 901 | 1535 | 2166 | 2639 | 2824 | 3066 | 3677 | 4243 | 4858 |
Swell 2 Height (m) Direction Period (s) | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 10 | SE 11 | — | — | SE 10 | WSW 11 | SW 13 | — | — | — | — | — | — | — | — |
| kJ | 23 | 22 | 22 | 10 | 10 | 10 | 10 | 10 | 8 | 5 | — | — | 4 | 444 | 501 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | E 12 | E 12 | E 12 | — | — | — | — | — | — | — | — | — | SW 14 | — | — | — | — | — | — | — | — | — |
| kJ | — | 3 | 3 | 3 | — | — | — | — | — | — | — | — | — | 186 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SSE 4 | — | SSE 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 18 | — | 94 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 34 | 30 | 34 | 337 | 337 | 33 | 33 | 27 | 12 | 12 | 0 | 0 | 5 | 5 | 0 | 1 | 0 | 0 | 3 | 3 | 12 | 0 | 12 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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