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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 Saturday 02 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
15.7° C
(Which is 1.7°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: 2.2m 10s primary swell from a West direction and 0.9m 11s secondary swell from a South direction (forecast issued at 07:00pm May 02). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 May) | - | - |
| Afternoon (02 May) | 8ft (2.5m) | 11s |
| Evening (02 May) | 8ft (2.4m) | 11s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 25mm), heaviest during Sun night. Very mild (max 19°C on Sun morning, min 14°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 2 | Sunday 3 | Monday 4 | Tue 5 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 11 | W 11 | W 10 | W 10 | W 10 | WSW 10 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | W 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | |
1736 | 1377 | 1048 | 857 | 693 | 707 | 763 | 2020 | 2137 | 2285 | 2244 | 2364 | 2022 | 1723 | 1581 | 1624 | 1574 | 1361 | 1431 | 1455 | 1455 | 1338 | 1205 | 984 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | cross | cross | cross | cross | cross-on | cross | cross | cross | cross-on | cross-on | on | on | on | on | on | cross-on | glassy | glassy | glassy | cross-on | glassy | |
High Tide | 3:49PM1.65m | 3:54AM1.70m | 4:19PM1.62m | 4:22AM1.64m | 4:50PM1.58m | 4:51AM1.57m | ||||||||||||||||||
Low Tide | 9:44PM0.50m | 10:04AM0.40m | 10:12PM0.54m | 10:32AM0.44m | 10:43PM0.60m | 11:02AM0.50m | ||||||||||||||||||
 |  | | |  |  | | |  |  | |  |  |  | | | | |  | | | |  | | |
 | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — |
 | 6:05 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:02 | — | — | — | — | — | — | 6:01 |
— | — | — | — | — | — | — | — | — | — | — | 4 | 8 | 2 | 1 | — | — | 1 | 1 | 2 | 1 | 1 | 1 | 1 | |
Temp °C | 16 | 17 | 17 | 17 | 17 | 16 | 19 | 19 | 19 | 19 | 18 | 17 | 17 | 17 | 17 | 17 | 16 | 15 | 15 | 14 | 14 | 14 | 15 | 15 |
12 | 15 | 15 | 15 | 15 | 14 | 17 | 16 | 17 | 16 | 14 | 14 | 16 | 15 | 14 | 13 | 13 | 14 | 14 | 13 | 13 | 14 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | SSW 11 | W 11 | W 10 | W 10 | W 10 | WSW 10 | WSW 10 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | W 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 |
 kJ | 198 | 1377 | 1048 | 857 | 693 | 707 | 622 | 2020 | 2137 | 2285 | 2244 | 2364 | 2022 | 1723 | 1581 | 1624 | 1574 | 1361 | 1431 | 1455 | 1455 | 1338 | 1205 | 984 |
Swell 2 Height (m) Direction Period (s) | WSW 18 | S 11 | S 11 | S 10 | S 10 | WSW 15 | WSW 15 | S 10 | S 10 | S 14 | S 14 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 |
| kJ | 126 | 149 | 181 | 174 | 174 | 574 | 763 | 53 | 49 | 106 | 138 | 139 | 229 | 215 | 198 | 195 | 192 | 186 | 133 | 128 | 126 | 123 | 90 | 427 |
Swell 3 Height (m) Direction Period (s) | S 14 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | S 10 | S 10 | SSW 15 | SSW 15 | S 10 | S 10 | S 10 | SSW 13 | S 13 | SE 13 | SE 13 | SE 13 | — | S 12 | SW 20 | SW 20 | WSW 19 | SW 18 | SW 18 |
| kJ | 60 | 180 | 255 | 298 | 407 | 130 | 50 | 45 | 71 | 32 | 31 | 31 | 225 | 4 | 7 | 7 | 6 | — | 3 | 16 | 15 | 37 | 51 | 80 |
Wind waves Height (m) Direction Period (s) | W 11 | NNW 6 | — | — | — | — | W 10 | — | N 4 | N 4 | NNW 5 | N 4 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1736 | 159 | — | — | — | — | 573 | — | 13 | 12 | 57 | 10 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 31 | 11 | 6 | 6 | 11 | 11 | 31 | 24 | 91 | 31 | 83 | 17 | 24 | 26 | 26 | 26 | 17 | 17 | 6 | 0 | 0 | 0 | 1 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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