Surf Forecasts:
How big are the waves at Thermopylae today (13 Oct):
- Afternoon surf: Afternoon surf (13 Oct, local time) - 6.5ft (2.0m), 11s period with WSW swell.
- Evening surf: Evening surf (13 Oct, local time) - 6.5ft (2.0m), 10s period with WSW swell.
The current surf forecast for Thermopylae at 12AM is: 2.0m 10s primary swell from a West-southwest direction (forecast issued at 07:00pm October 12). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Oct) | - | - |
| Afternoon (13 Oct) | 6.5ft (2.0m) | 11s |
| Evening (13 Oct) | 6.5ft (2.0m) | 10s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Thu morning, min 12°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Mon 12 | Tuesday 13 | Wednesday 14 | |||||||||||||||||
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 11 | WSW 10 | WSW 10 | WSW 10 | SW 10 | SW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | SW 13 | WSW 12 | WSW 13 | WSW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 934 | 794 | 748 | 788 | 815 | 849 | 788 | 684 | 648 | 576 | 544 | 555 | 600 | 705 | 1783 | 1869 | 2151 | 2499 | 2800 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross-off | glassy | glassy | cross | cross-on | cross-on | cross-on | cross | cross |
High Tide | 4:05PM1.78m | 4:25AM1.66m | 4:33PM1.70m | 4:55AM1.59m | 5:02PM1.60m | ||||||||||||||
Low Tide | 10:15PM0.35m | 10:21AM0.45m | 10:42PM0.42m | 10:49AM0.53m | |||||||||||||||
 |  | |  | |  | | | |  | | | |  | | | | | | |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:58 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 14 | 14 | 13 | 13 | 13 | 16 | 15 | 15 | 14 | 13 |
Feels °C | 14 | 14 | 14 | 14 | 14 | 13 | 14 | 11 | 12 | 11 | 12 | 12 | 12 | 11 | 12 | 10 | 11 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | WSW 11 | WSW 10 | WSW 10 | WSW 10 | SW 10 | SW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | SW 13 | WSW 12 | WSW 13 | WSW 13 | SW 13 |
| kJ | 934 | 794 | 748 | 788 | 815 | 849 | 788 | 684 | 648 | 576 | 544 | 555 | 600 | 705 | 1783 | 1869 | 2151 | 2499 | 2800 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 12 | SW 13 | W 12 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 76 | 335 | 70 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 3 | WNW 4 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 31 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 17 | 24 | 26 | 1 | 1 | 1 | 17 | 139 | 63 | 1 | 0 | 0 | 0 | 11 | 17 | 17 | 17 | 11 | 11 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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