Surf Forecasts:
How big are the waves at Thermopylae today (25 Jul):
- Morning surf: Morning surf (25 Jul, local time) - 7ft (2.2m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (25 Jul, local time) - 7.5ft (2.3m), 12s period with SW swell.
- Evening surf: Evening surf (25 Jul, local time) - 8ft (2.5m), 12s period with SW swell.
The current surf forecast for Thermopylae at 4PM is: 2.5m 12s primary swell from a Southwest direction and 0.3m 16s secondary swell from a Southwest direction (forecast issued at 01:00pm July 25). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Jul) | 7ft (2.2m) | 13s |
| Afternoon (25 Jul) | 7.5ft (2.3m) | 12s |
| Evening (25 Jul) | 8ft (2.5m) | 12s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Sun afternoon, min 12°C on Mon night). Winds increasing (calm on Sun morning, strong winds from the SSE by Mon afternoon). | |||||||||||||||||||||
Sat 25 | Sunday 26 | Monday 27 | |||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 12 | WSW 12 | SW 13 | SW 13 | SW 16 | SW 17 | SW 18 | SW 17 | SSW 16 | SSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1583 | 1462 | 1897 | 1760 | 1866 | 1731 | 1398 | 1269 | 1193 | 1007 | 808 | 851 | 615 | 878 | 1876 | 3142 | 3882 | 4348 | 5466 | 6910 | 6172 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | glassy | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 1:18PM1.32m | 1:19AM1.39m | 2:01PM1.41m | 2:01AM1.46m | 2:36PM1.50m | ||||||||||||||||
Low Tide | 7:14PM0.76m | 7:42AM0.60m | 8:00PM0.69m | 8:18AM0.53m | 8:36PM0.62m | ||||||||||||||||
 | | |  | | | | | | | | | |  | | | | | | | | |
 | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — |
 | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 17 | 16 | 14 | 14 | 15 | 16 | 15 | 18 | 19 | 16 | 14 | 13 | 14 | 14 | 15 | 15 | 14 | 14 | 13 | 13 |
Feels °C | 14 | 15 | 14 | 12 | 12 | 13 | 14 | 12 | 16 | 17 | 13 | 12 | 10 | 11 | 11 | 12 | 8 | 5 | 6 | 6 | 7 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 12 | WSW 12 | SW 13 | SW 13 | SW 16 | SW 17 | SW 18 | SW 17 | SW 16 | SW 16 |
| kJ | 1583 | 1462 | 1897 | 1760 | 1866 | 1731 | 1398 | 1269 | 1193 | 1007 | 808 | 851 | 615 | 878 | 1876 | 3142 | 3882 | 4348 | 5466 | 4826 | 3856 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | WSW 13 | SW 16 | — | — | — | SSW 16 | SW 16 | SSW 15 | SW 14 | SW 14 | SW 14 | SW 13 | WSW 12 | WSW 12 | SW 20 | — | SSW 18 | — | — | — |
| kJ | 447 | 402 | 40 | — | — | — | 103 | 258 | 283 | 412 | 440 | 357 | 509 | 412 | 158 | 186 | — | 1172 | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 11 | — | — | — | — | — | — | — | — | S 11 | S 10 | SE 10 | SSW 16 | SW 16 | — | — | — | — | — | — | — |
| kJ | 5 | — | — | — | — | — | — | — | — | 21 | 35 | 4 | 179 | 278 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SSE 3 | SE 4 | SE 4 | SE 4 | SE 4 | — | — | — | S 4 | S 4 | S 4 | — | — | S 5 | S 7 | SSE 6 | SSW 16 | SSW 16 |
| kJ | — | — | — | 6 | 10 | 3 | 7 | 5 | — | — | — | 16 | 29 | 31 | — | — | 76 | 494 | 366 | 6910 | 6172 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 6 | 27 | 10 | 3 | 1 | 234 | 177 | 177 | 937 | 13 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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