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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 1 pm Tuesday 03 Mar 2026 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
18.0° C
(Which is 1.5°C colder than average for this time of year)How big are the waves at Thermopylae today?
The current surf forecast for Thermopylae at 4PM is: 1.7m 12s primary swell from a South-southwest direction and 0.4m 18s secondary swell from a Northwest direction (forecast issued at 01:00pm March 03). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Mar) | 7ft (2.1m) | 12s |
| Afternoon (03 Mar) | 5.5ft (1.7m) | 12s |
| Evening (03 Mar) | 5ft (1.5m) | 11s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 03 | Wednesday 04 | Thursday 05 | Friday 06 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1044 | 807 | 594 | 543 | 634 | 762 | 680 | 614 | 565 | 676 | 1475 | 1723 | 1764 | 1439 | 1392 | 1112 | 944 | 792 | 812 | 821 | 756 | 759 | 757 | 543 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | glass | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | glass | glass | glass | cross | cross |
High Tide / height (m) | 3:40PM 1.79 | 3:56AM 1.91 | 4:12PM 1.79 | 4:26AM 1.90 | 4:42PM 1.75 | 4:56AM 1.84 | ||||||||||||||||||
Low Tide / height (m) | 9:39AM 0.32 | 9:45PM 0.32 | 10:09AM 0.31 | 10:14PM 0.32 | 10:38AM 0.34 | 10:41PM 0.36 | ||||||||||||||||||
Tuesday 03 | Wednesday 04 | Thursday 05 | Friday 06 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 |
| Sunset | - | - | 7:20 | - | - | - | - | - | - | - | 7:19 | - | - | - | - | - | - | - | 7:17 | - | - | - | - | - |
 | | |  | | | | | | | |  | | | |  | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - |
| Temp. °C | 18 | 19 | 19 | 18 | 18 | 18 | 17 | 18 | 20 | 21 | 21 | 19 | 19 | 18 | 18 | 18 | 21 | 20 | 20 | 19 | 19 | 18 | 18 | 17 |
| Feels °C (?) | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 18 | 20 | 20 | 20 | 18 | 20 | 19 | 18 | 16 | 19 | 18 | 19 | 21 | 21 | 19 | 18 | 16 |
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Live Wave Height (m)
Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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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.
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