Surf Forecasts:
How big are the waves at Thermopylae today (06 Aug):
- Morning surf: Morning surf (06 Aug, local time) - 11ft (3.5m), 13s period with WSW swell.
- Afternoon surf: Afternoon surf (06 Aug, local time) - 10ft (3.0m), 13s period with SW swell.
- Evening surf: Evening surf (06 Aug, local time) - 11ft (3.5m), 13s period with SW swell.
The current surf forecast for Thermopylae at 9PM is: 3.5m 13s primary swell from a Southwest direction (forecast issued at 01:00pm August 06). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Aug) | 11ft (3.5m) | 13s |
| Afternoon (06 Aug) | 10ft (3.0m) | 13s |
| Evening (06 Aug) | 11ft (3.5m) | 13s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat night. Very mild (max 15°C on Fri afternoon, min 11°C on Thu night). Winds increasing (calm on Sat morning, fresh winds from the SSE by Sun morning). | |||||||||||||||||||||
Thu 6 | Friday 7 | Saturday 8 | |||||||||||||||||||
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 | SW 13 | SW 12 | SW 12 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3611 | 3436 | 3297 | 3398 | 3405 | 3606 | 3674 | 3781 | 4078 | 4618 | 4749 | 4493 | 4005 | 3555 | 2760 | 2412 | 2340 | 3050 | 4682 | 4910 | 4458 |
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 | off | off | glassy | cross-on | cross | cross-on | cross | cross-on | glassy | cross-on | cross-on | cross-on | cross | cross |
High Tide | 8:24AM1.33m | 8:57PM1.47m | 9:53AM1.28m | 10:28PM1.43m | 11:34AM1.33m | ||||||||||||||||
Low Tide | 2:24PM0.69m | 3:42AM0.67m | 4:01PM0.74m | 5:18AM0.64m | 5:45PM0.70m | ||||||||||||||||
 | | |  | | | |  | | | | | | | | | | |  |  |  | |
 | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — |
 | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:10 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — |
Temp °C | 13 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 12 | 15 | 14 | 13 | 13 | 13 | 12 | 12 | 14 | 15 | 14 | 12 | 12 |
Feels °C | 11 | 10 | 8 | 9 | 8 | 9 | 9 | 9 | 10 | 13 | 11 | 11 | 11 | 11 | 11 | 12 | 13 | 13 | 13 | 7 | 6 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | SW 13 | SW 12 | SW 12 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 13 |
| kJ | 3611 | 3436 | 3297 | 3398 | 3405 | 3606 | 3674 | 3781 | 4078 | 4618 | 4749 | 4493 | 4005 | 3555 | 2760 | 2412 | 2340 | 3050 | 4682 | 4910 | 4458 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SE 4 | SE 4 | SE 5 | SE 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 25 | 37 | 63 | 61 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 63 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 26 | 1 | 1 | 1 | 1 | 0 | 17 | 17 | 3 | 344 | 344 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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