Surf Forecasts:
How big are the waves at Thermopylae today (12 Oct):
- Morning surf: Morning surf (12 Oct, local time) - 6ft (1.8m), 11s period with SW swell.
- Afternoon surf: Afternoon surf (12 Oct, local time) - 6ft (1.9m), 11s period with WSW swell.
- Evening surf: Evening surf (12 Oct, local time) - 7ft (2.1m), 10s period with WSW swell.
The current surf forecast for Thermopylae at 1AM is: 1.9m 12s primary swell from a Southwest direction (forecast issued at 07:00pm October 11). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Oct) | 6ft (1.8m) | 11s |
| Afternoon (12 Oct) | 6ft (1.9m) | 11s |
| Evening (12 Oct) | 7ft (2.1m) | 10s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Mon night. Very mild (max 18°C on Mon morning, min 13°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Sun 11 | Monday 12 | Tuesday 13 | |||||||||||||||||
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 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | SW 10 | SW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 1042 | 961 | 945 | 929 | 995 | 836 | 785 | 771 | 934 | 865 | 763 | 788 | 849 | 849 | 788 | 748 | 648 | 635 | 544 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | glassy | cross-on | cross | cross-on | cross-on | cross-on | cross | on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross-off |
High Tide | 3:35PM1.84m | 3:55AM1.71m | 4:05PM1.78m | 4:25AM1.66m | 4:33PM1.70m | ||||||||||||||
Low Tide | 9:48PM0.30m | 9:53AM0.38m | 10:15PM0.35m | 10:21AM0.45m | 10:42PM0.42m | ||||||||||||||
 |  | |  |  |  |  | | |  |  | | | | | | | | | |
 | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | 6:55 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — |
Temp °C | 19 | 17 | 16 | 16 | 15 | 16 | 18 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 15 | 14 | 14 |
Feels °C | 18 | 16 | 16 | 15 | 14 | 13 | 15 | 13 | 13 | 15 | 15 | 14 | 14 | 13 | 13 | 12 | 11 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | SW 10 | SW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 |
| kJ | 1042 | 961 | 945 | 929 | 995 | 836 | 785 | 771 | 934 | 865 | 763 | 788 | 849 | 849 | 788 | 748 | 648 | 635 | 544 |
Swell 2 Height (m) Direction Period (s) | W 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NNW 3 | NNW 4 | NW 4 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 3 | 17 | 11 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1 | 1 | 0 | 17 | 6 | 17 | 17 | 17 | 24 | 17 | 1 | 1 | 1 | 1 | 26 | 26 | 26 | 1 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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