Surf Forecasts:
How big are the waves at Thermopylae today (23 Jul):
- Morning surf: Morning surf (23 Jul, local time) - 7ft (2.1m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (23 Jul, local time) - 7ft (2.2m), 11s period with SW swell.
- Evening surf: Evening surf (23 Jul, local time) - 10ft (3.0m), 17s period with SW swell.
The current surf forecast for Thermopylae at 11AM is: 2.1m 11s primary swell from a Southwest direction and 0.1m 23s secondary swell from a Southwest direction, 1.4m 5s secondary swell from a North-northwest direction (forecast issued at 07:00am July 23). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Jul) | 7ft (2.1m) | 12s |
| Afternoon (23 Jul) | 7ft (2.2m) | 11s |
| Evening (23 Jul) | 10ft (3.0m) | 17s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Thu afternoon. Very mild (max 17°C on Sat afternoon, min 12°C on Thu morning). Winds decreasing (fresh winds from the N on Thu morning, calm by Fri morning). | |||||||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | |||||||||||||||||||||
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 | 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 11 | SW 11 | SW 12 | SW 18 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 694 | 963 | 1132 | 945 | 1794 | 4030 | 9408 | 8690 | 7424 | 5529 | 4757 | 4119 | 3657 | 3140 | 2679 | 2412 | 2126 | 1594 | 1569 | 1584 | 1801 | 1771 | 1771 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off |
High Tide | 10:55AM1.20m | 11:15PM1.32m | 12:19PM1.24m | 00:26AM1.34m | 1:18PM1.32m | ||||||||||||||||||
Low Tide | 4:45AM0.76m | 4:51PM0.84m | 6:00AM0.73m | 6:13PM0.82m | 6:58AM0.67m | 7:14PM0.76m | |||||||||||||||||
 |  |  | | |  | |  | |  | | | | | | | | | | | | | | |
 | 7:45 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — |
 | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — |
mm | — | — | 2 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 17 | 17 | 16 | 16 |
Feels °C | 7 | 7 | 8 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 13 | 12 | 11 | 10 | 10 | 10 | 10 | 10 | 12 | 14 | 14 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 11 | SW 11 | SW 12 | SW 18 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 |
| kJ | 694 | 963 | 1132 | 945 | 1794 | 4030 | 9408 | 8690 | 7424 | 5529 | 4757 | 4119 | 3657 | 3140 | 2679 | 2412 | 2126 | 1594 | 1569 | 1584 | 1801 | 1771 | 1771 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | WSW 12 | SW 23 | NW 6 | SW 19 | SW 12 | — | — | — | — | — | SE 12 | SE 12 | SE 12 | SSW 13 | WSW 14 | SE 11 | SSW 13 | SSW 13 | WSW 12 | SE 11 | — | — |
| kJ | 242 | 187 | 20 | 69 | 834 | 1789 | — | — | — | — | — | 6 | 5 | 5 | 1366 | 1222 | 5 | 577 | 454 | 288 | 5 | — | — |
Swell 3 Height (m) Direction Period (s) | ESE 13 | ESE 13 | SW 22 | WSW 12 | ESE 12 | WSW 13 | — | — | — | — | — | — | — | — | SE 12 | SE 11 | — | SE 11 | SE 11 | — | — | — | — |
| kJ | 17 | 17 | 19 | 237 | 15 | 135 | — | — | — | — | — | — | — | — | 5 | 5 | — | 5 | 5 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 5 | NNW 5 | NNW 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 4 | SE 4 | SE 4 | SE 8 | SE 8 | — | SE 4 |
| kJ | 85 | 95 | 106 | — | — | — | — | — | — | — | — | — | — | — | — | — | 11 | 21 | 16 | 3 | 2 | — | 27 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 31 | 174 | 48 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |
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