Surf Forecasts:
How big are the waves at Extensions today (07 Sep):
- Morning surf: Morning surf (07 Sep, local time) - 7ft (2.1m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (07 Sep, local time) - 6.5ft (2.0m), 13s period with SW swell.
- Evening surf: Evening surf (07 Sep, local time) - 5ft (1.5m), 13s period with WSW swell.
The current surf forecast for Extensions at 1PM is: 2.1m 14s primary swell from a Southwest direction (forecast issued at 07:00am September 07). An open ocean swell of 0.7m 8s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Sep) | 7ft (2.1m) | 14s |
| Afternoon (07 Sep) | 6.5ft (2.0m) | 13s |
| Evening (07 Sep) | 5ft (1.5m) | 13s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Mon afternoon, min 15°C on Wed night). Wind will be generally light. | |||||||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | |||||||||||||||||||||
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 14 | SW 14 | SW 14 | SW 13 | SW 13 | WSW 13 | WSW 13 | WSW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 15 | SW 11 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1624 | 1665 | 1549 | 1360 | 1339 | 837 | 596 | 440 | 587 | 683 | 294 | 145 | 137 | 146 | 172 | 211 | 379 | 352 | 304 | 357 | 346 | 423 | 689 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | glassy | on | cross-on | cross-off | off | cross-off | glassy | cross-on | cross-off | cross | cross | cross-off | cross-off | cross-off | cross | cross-off | cross | cross | cross-off | cross | cross-off |
High Tide | 12:47PM1.27m | 1:06AM1.32m | 1:35PM1.43m | 1:53AM1.43m | 2:16PM1.56m | ||||||||||||||||||
Low Tide | 6:32AM0.36m | 7:02PM0.35m | 7:24AM0.23m | 7:51PM0.20m | 8:05AM0.12m | 8:32PM0.09m | |||||||||||||||||
 |  | | | | | | | | | | | | | | | | | | | | |  | |
 | 6:56 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — |
 | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:32 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 21 | 21 | 23 | 23 | 19 | 22 | 23 | 22 | 20 | 20 | 21 | 22 | 20 | 20 | 19 | 17 | 16 | 17 | 16 | 16 | 15 | 15 |
Feels °C | 17 | 20 | 20 | 22 | 21 | 17 | 20 | 22 | 22 | 19 | 19 | 20 | 20 | 19 | 18 | 17 | 15 | 15 | 16 | 14 | 14 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | WSW 13 | WSW 13 | WSW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | SW 11 | SW 11 | WSW 11 | SW 14 | SW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 12 |
| kJ | 1624 | 1665 | 1549 | 1360 | 1339 | 837 | 596 | 440 | 587 | 683 | 294 | 145 | 137 | 114 | 172 | 151 | 379 | 352 | 304 | 357 | 346 | 423 | 689 |
Swell 2 Height (m) Direction Period (s) | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SSW 12 | S 12 | S 12 | S 11 | WSW 17 | S 11 | SW 11 | SW 11 | WSW 15 | WSW 15 | SW 14 | WSW 11 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SE 8 |
| kJ | 102 | 71 | 71 | 42 | 38 | 439 | 472 | 404 | 198 | 27 | 224 | 121 | 117 | 146 | 144 | 211 | 40 | 16 | 25 | 14 | 13 | 14 | 18 |
Swell 3 Height (m) Direction Period (s) | — | SE 15 | SSE 14 | SSE 14 | SE 13 | SE 9 | ESE 9 | ESE 10 | ESE 10 | WSW 17 | SW 16 | SSE 10 | SSE 10 | W 12 | SSE 10 | SSE 9 | SE 9 | W 11 | W 11 | S 7 | S 10 | ESE 7 | SW 19 |
| kJ | — | 8 | 18 | 36 | 7 | 53 | 8 | 9 | 9 | 27 | 67 | 104 | 77 | 70 | 52 | 32 | 21 | 21 | 21 | 4 | 8 | 5 | 58 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | ESE 10 | — | — | — | SE 2 | SSE 3 | SSE 3 | SSE 4 | SSE 3 | S 3 | S 3 | — | SSE 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | 61 | — | — | — | 1 | 4 | 7 | 7 | 4 | 5 | 3 | — | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 3 | 0 | 12 | 12 | 0 | 0 | 26 | 12 | 0 | 12 | 26 | 12 | 26 | 12 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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