Surf Forecasts:
How big are the waves at Extensions today (30 Jul):
- Morning surf: Morning surf (30 Jul, local time) - 5ft (1.6m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (30 Jul, local time) - 5ft (1.6m), 13s period with SW swell.
- Evening surf: Evening surf (30 Jul, local time) - 4.5ft (1.4m), 13s period with SW swell.
The current surf forecast for Extensions at 9PM is: 1.4m 13s primary swell from a Southwest direction (forecast issued at 01:00pm July 30). An open ocean swell of 1.0m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jul) | 5ft (1.6m) | 13s |
| Afternoon (30 Jul) | 5ft (1.6m) | 13s |
| Evening (30 Jul) | 4.5ft (1.4m) | 13s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 21°C on Fri afternoon, min 15°C on Thu afternoon). Wind will be generally light. | |||||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | |||||||||||||||||||
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 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | WSW 16 | SW 12 | WSW 14 | WSW 14 | WSW 13 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 821 | 821 | 732 | 683 | 683 | 600 | 581 | 479 | 471 | 367 | 355 | 331 | 250 | 255 | 264 | 682 | 663 | 590 | 486 | 486 | 486 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | off |
High Tide | 4:03PM1.49m | 4:09AM1.43m | 4:33PM1.52m | 4:40AM1.43m | 5:03PM1.53m | ||||||||||||||||
Low Tide | 9:51AM0.13m | 10:11PM0.22m | 10:19AM0.11m | 10:42PM0.20m | 10:47AM0.12m | ||||||||||||||||
 |  | |  | | | | |  | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — |
 | — | — | 6:04 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:05 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 18 | 17 | 15 | 16 | 16 | 17 | 18 | 19 | 21 | 21 | 20 | 18 | 18 | 18 | 19 | 20 | 21 | 21 | 20 |
Feels °C | 11 | 11 | 13 | 12 | 11 | 13 | 13 | 13 | 14 | 14 | 17 | 18 | 18 | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 12 | WSW 14 | WSW 14 | WSW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 821 | 821 | 732 | 683 | 683 | 600 | 581 | 479 | 471 | 367 | 355 | 331 | 250 | 255 | 264 | 682 | 663 | 590 | 486 | 486 | 486 |
Swell 2 Height (m) Direction Period (s) | SE 6 | — | — | — | — | SE 6 | SE 7 | SE 7 | SE 8 | WSW 18 | SW 18 | WSW 16 | SE 9 | WSW 16 | WSW 15 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 26 | — | — | — | — | 66 | 71 | 54 | 58 | 61 | 78 | 104 | 76 | 212 | 191 | 49 | 53 | 57 | 57 | 61 | 50 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | W 19 | SW 19 | SW 18 | — | SE 8 | SW 16 | WSW 16 | SE 9 | SE 9 | SE 9 | — | S 18 | — | SSW 16 | — |
| kJ | — | — | — | — | — | — | 7 | 15 | 13 | — | 10 | 69 | 171 | 73 | 46 | 41 | — | 6 | — | 25 | — |
Wind waves Height (m) Direction Period (s) | SE 7 | SE 6 | SE 5 | SE 6 | SE 6 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | SE 8 | SE 7 | SE 9 | — | — | — | — | — | — | — | — | — |
| kJ | 106 | 24 | 25 | 58 | 67 | 192 | 196 | 173 | 183 | 55 | 52 | 74 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 12 | 12 | 12 | 0 | 0 | 0 | 0 | 0 | 12 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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