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Thermopylae Surf Forecast
/ Cape Town (70 surf breaks) /
Surf Forecasts:
Thermopylae surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 pm Wednesday 26 Nov 2025 SASTForecast update in hr min s Forecast update imminent
Thermopylae surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Thermopylae sea temperature is
13.0° C
(Which is 5.0°C colder than average for this time of year)How big are the waves at Thermopylae today?
The current surf forecast for Thermopylae at 11PM is: 1.6m 11s primary swell from a Southwest direction and 0.1m 12s secondary swell from a Northwest direction, 1.7m 6s secondary swell from a South-southeast direction (forecast issued at 07:00pm November 26). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Nov) | - | - |
| Afternoon (26 Nov) | 5.5ft (1.7m) | 12s |
| Evening (26 Nov) | 5ft (1.6m) | 11s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 11 | 11 | 11 | 11 | 7 | 8 | 9 | 8 | 9 | 9 | 8 | 8 | 8 | 8 | 9 | 10 | 10 | 6 | 6 | 7 | 7 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 773 | 595 | 574 | 466 | 441 | 458 | 498 | 950 | 1032 | 887 | 601 | 711 | 190 | 119 | 59 | 49 | 47 | 47 | 57 | 175 | 192 | 170 | 141 | 155 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross | cross- off | cross- off | off | glass | cross | cross | cross- on | on | cross- on | cross | cross | cross | cross | cross | cross | cross- on |
High Tide / height (m) | 6:54PM 1.35 | 7:41AM 1.44 | 8:08PM 1.30 | 8:53AM 1.46 | 9:34PM 1.30 | 10:07AM 1.51 | ||||||||||||||||||
Low Tide / height (m) | 1:06AM 0.70 | 2:11PM 0.78 | 2:19AM 0.74 | 3:36PM 0.74 | 3:42AM 0.74 | |||||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - |
| Sunset | 7:37 | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:38 | - | - | - | - | - | - | - |
 |  |  |  | |  | | | | | | | |  | | | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - |
| Temp. °C | 21 | 20 | 20 | 19 | 19 | 20 | 24 | 26 | 26 | 23 | 21 | 21 | 19 | 20 | 22 | 21 | 20 | 20 | 20 | 20 | 19 | 19 | 21 | 21 |
| Feels °C (?) | 17 | 17 | 18 | 18 | 19 | 19 | 22 | 23 | 22 | 20 | 20 | 22 | 19 | 19 | 20 | 17 | 20 | 20 | 18 | 19 | 17 | 17 | 19 | 18 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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