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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 Monday 02 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
18.3° C
(Which is 1.3°C colder than average for this time of year)How big are the waves at Thermopylae today?
The current surf forecast for Thermopylae at 2AM is: 2.5m 12s primary swell from a South-southwest direction and 0.2m 19s secondary swell from a West-northwest direction (forecast issued at 07:00pm March 02). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| 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
Monday 02 | Tuesday 03 | Wednesday 04 | Thursday 05 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3193 | 2715 | 2422 | 1839 | 1536 | 1215 | 1044 | 807 | 663 | 533 | 572 | 652 | 647 | 614 | 565 | 690 | 1475 | 1723 | 1764 | 1525 | 1392 | 1276 | 1094 | 928 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross- off | cross- off | cross- off | cross | cross | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross | cross- off | glass | cross- off | cross- off | cross- on | cross- off |
High Tide / height (m) | 3:07PM 1.76 | 3:24AM 1.88 | 3:40PM 1.79 | 3:56AM 1.91 | 4:12PM 1.79 | 4:26AM 1.90 | ||||||||||||||||||
Low Tide / height (m) | 9:14PM 0.34 | 9:39AM 0.32 | 9:45PM 0.32 | 10:09AM 0.31 | 10:14PM 0.32 | 10:38AM 0.34 | ||||||||||||||||||
Monday 02 | Tuesday 03 | Wednesday 04 | Thursday 05 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:37 | - | - |
| Sunset | 7:22 | - | - | - | - | - | - | - | 7:20 | - | - | - | - | - | - | - | 7:19 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | | | | | |  |  | | | | |  |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 1 |
| Temp. °C | 18 | 17 | 17 | 16 | 16 | 16 | 18 | 19 | 19 | 18 | 18 | 18 | 17 | 18 | 20 | 21 | 21 | 19 | 19 | 19 | 18 | 18 | 21 | 19 |
| Feels °C (?) | 14 | 13 | 14 | 15 | 14 | 14 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 18 | 20 | 20 | 20 | 19 | 19 | 21 | 17 | 17 | 20 | 19 |
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Live Wave Height (m)
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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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