Surf Forecasts:
How big are the waves at Thermopylae today (24 Sep):
- Afternoon surf: Afternoon surf (24 Sep, local time) - 5ft (1.6m), 14s period with SSW swell.
- Evening surf: Evening surf (24 Sep, local time) - 6ft (1.8m), 13s period with SW swell.
The current surf forecast for Thermopylae at 10PM is: 1.8m 13s primary swell from a Southwest direction and 0.6m 7s secondary swell from a South direction (forecast issued at 07:00pm September 24). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Sep) | - | - |
| Afternoon (24 Sep) | 5ft (1.6m) | 14s |
| Evening (24 Sep) | 6ft (1.8m) | 13s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Sat morning. Very mild (max 19°C on Sat afternoon, min 14°C on Sat night). Winds increasing (calm on Thu night, fresh winds from the SSE by Sun afternoon). | |||||||||||||||||||
Thu 24 | Friday 25 | Saturday 26 | |||||||||||||||||
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 14 | SW 13 | SW 13 | SSW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 1267 | 1144 | 1094 | 1126 | 964 | 850 | 822 | 747 | 614 | 604 | 614 | 498 | 875 | 1958 | 2075 | 2027 | 1972 | 1836 | 1712 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | cross-on | glassy | cross-on | glassy | on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off |
High Tide | 2:06PM1.68m | 2:22AM1.64m | 2:34PM1.78m | 2:53AM1.72m | 3:03PM1.85m | ||||||||||||||
Low Tide | 8:17PM0.40m | 8:23AM0.39m | 8:46PM0.30m | 8:53AM0.32m | 9:16PM0.24m | ||||||||||||||
 |  | | | | |  | | | | |  |  |  |  | |  | | | |
 | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | 6:43 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 | — | — | — | — |
Temp °C | 17 | 16 | 16 | 15 | 15 | 15 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 17 | 19 | 18 | 16 | 15 |
Feels °C | 17 | 18 | 17 | 15 | 16 | 15 | 18 | 18 | 18 | 17 | 16 | 16 | 15 | 15 | 15 | 17 | 14 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 13 | SW 13 | SSW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 |
| kJ | 1267 | 1144 | 1094 | 1126 | 964 | 850 | 822 | 747 | 614 | 604 | 614 | 448 | 505 | 1958 | 2075 | 2027 | 1972 | 1836 | 1712 |
Swell 2 Height (m) Direction Period (s) | S 7 | S 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SE 7 | SE 7 | SW 20 | SW 18 | SW 18 | SW 16 | SW 16 | ESE 7 | S 8 | S 11 | SE 11 | S 11 | — |
| kJ | 44 | 31 | 34 | 57 | 40 | 29 | 16 | 17 | 15 | 112 | 82 | 498 | 875 | 5 | 12 | 3 | 5 | 2 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | W 16 | W 16 | W 16 | W 16 | SW 20 | SE 7 | S 9 | SSE 10 | ESE 7 | — | — | — | — | — | — |
| kJ | — | — | — | — | 5 | 5 | 5 | 5 | 15 | 13 | 15 | 31 | 5 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | S 3 | S 3 | S 3 | SSE 4 | S 5 | S 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 6 | 6 | 28 | 90 | 125 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1 | 0 | 0 | 8 | 0 | 17 | 0 | 17 | 1 | 1 | 0 | 0 | 0 | 0 | 8 | 27 | 63 | 87 | 87 |
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