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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 Friday 29 May 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
15.8° C
(Which is slightly cooler than normal)How big are the waves at Thermopylae today (29 May):
- Morning surf: Morning surf (29 May, local time) - 10ft (3.0m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (29 May, local time) - 10ft (3.0m), 14s period with SW swell.
- Evening surf: Evening surf (29 May, local time) - 8ft (2.5m), 13s period with SW swell.
The current surf forecast for Thermopylae at 5PM is: 3.0m 14s primary swell from a Southwest direction (forecast issued at 01:00pm May 29). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 May) | 10ft (3.0m) | 14s |
| Afternoon (29 May) | 10ft (3.0m) | 14s |
| Evening (29 May) | 8ft (2.5m) | 13s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 20°C on Sun afternoon, min 14°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Fri 29 | Saturday 30 | Sunday 31 | Mon 1 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | |
3454 | 3199 | 2859 | 2679 | 2376 | 2063 | 1806 | 1407 | 1163 | 970 | 813 | 672 | 683 | 827 | 944 | 855 | 739 | 726 | 722 | 604 | 583 | 544 | 534 | 593 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | glassy | cross | cross-off | cross-off | glassy | glassy | glassy | |
High Tide | 2:27PM1.54m | 2:30AM1.63m | 3:00PM1.56m | 3:02AM1.63m | 3:33PM1.58m | 3:33AM1.61m | ||||||||||||||||||
Low Tide | 8:17AM0.46m | 8:22PM0.58m | 8:47AM0.44m | 8:54PM0.57m | 9:16AM0.43m | 9:27PM0.57m | ||||||||||||||||||
 | | |  | | |  |  |  | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:41 | — |
 | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | 5:45 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 17 | 17 | 17 | 16 | 15 | 15 | 14 | 15 | 17 | 16 | 15 | 15 | 16 | 16 | 16 | 18 | 20 | 18 | 17 | 17 | 17 | 17 | 16 |
12 | 15 | 15 | 16 | 15 | 13 | 14 | 12 | 13 | 15 | 14 | 13 | 14 | 16 | 16 | 16 | 18 | 19 | 17 | 16 | 17 | 17 | 17 | 16 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 |
 kJ | 3454 | 3199 | 2859 | 2679 | 2376 | 2063 | 1806 | 1407 | 1163 | 970 | 813 | 672 | 683 | 827 | 944 | 855 | 739 | 726 | 722 | 604 | 583 | 544 | 534 | 593 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 12 | S 9 | NW 12 | W 10 | W 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 2 | 6 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 12 | NW 12 | NW 12 | W 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 6 | 6 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SE 4 | SE 4 | SSE 4 | SSE 4 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 8 | 13 | 17 | 23 | 28 | 30 | 23 | 26 | 14 | 6 | 3 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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