Surf Forecasts:
How big are the waves at Thermopylae today (14 Oct):
- Morning surf: Morning surf (14 Oct, local time) - 6ft (1.8m), 10s period with WSW swell.
- Afternoon surf: Afternoon surf (14 Oct, local time) - 8ft (2.5m), 12s period with SW swell.
- Evening surf: Evening surf (14 Oct, local time) - 10ft (3.0m), 13s period with SW swell.
The current surf forecast for Thermopylae at 2AM is: 1.7m 10s primary swell from a West-southwest direction (forecast issued at 07:00pm October 13). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Oct) | 6ft (1.8m) | 10s |
| Afternoon (14 Oct) | 8ft (2.5m) | 12s |
| Evening (14 Oct) | 10ft (3.0m) | 13s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Fri morning, min 12°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Tue 13 | Wednesday 14 | Thursday 15 | |||||||||||||||||
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 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | SW 13 | WSW 12 | WSW 13 | WSW 13 | SW 13 | SW 13 | SW 14 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 648 | 576 | 544 | 588 | 698 | 615 | 1756 | 1869 | 2117 | 2537 | 2955 | 3468 | 4214 | 5270 | 5191 | 4343 | 4272 | 3399 | 2925 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | glassy | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross | cross |
High Tide | 4:33PM1.70m | 4:55AM1.59m | 5:02PM1.60m | 5:27AM1.50m | 5:32PM1.49m | ||||||||||||||
Low Tide | 10:42PM0.42m | 10:49AM0.53m | 11:10PM0.50m | 11:19AM0.64m | |||||||||||||||
 |  | |  | |  | |  | | | | | | | | | | | | |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | 6:57 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:59 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 14 | 14 | 13 | 13 | 13 | 15 | 15 | 15 | 14 | 13 | 12 | 12 | 13 | 17 | 16 | 15 | 15 | 15 |
Feels °C | 12 | 10 | 11 | 12 | 12 | 10 | 11 | 11 | 12 | 11 | 10 | 8 | 7 | 8 | 12 | 11 | 11 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | SW 13 | WSW 12 | WSW 13 | WSW 13 | SW 13 | SW 13 | SW 14 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 |
| kJ | 648 | 576 | 544 | 588 | 698 | 615 | 1756 | 1869 | 2117 | 2537 | 2955 | 3468 | 4214 | 5270 | 5191 | 4343 | 4272 | 3399 | 2925 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | W 12 | SW 13 | WSW 12 | — | — | — | — | — | — | — | — | — | W 12 | W 12 | W 12 |
| kJ | — | — | — | — | 76 | 437 | 49 | — | — | — | — | — | — | — | — | — | 339 | 280 | 409 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | WNW 3 | WNW 4 | — | — | — | — | NNW 4 | NNE 3 | NNW 5 | NNW 5 | — | — | — |
| kJ | — | — | — | — | — | — | 6 | 28 | — | — | — | — | 10 | 7 | 105 | 40 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 26 | 8 | 0 | 0 | 11 | 11 | 17 | 17 | 17 | 11 | 11 | 11 | 42 | 121 | 121 | 405 | 17 | 6 | 6 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Thermopylae surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest