Surf Forecasts:
How big are the waves at Thermopylae today (23 Jun):
- Morning surf: Morning surf (23 Jun, local time) - 5ft (1.5m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (23 Jun, local time) - 5ft (1.6m), 13s period with SW swell.
- Evening surf: Evening surf (23 Jun, local time) - 8ft (2.5m), 11s period with WSW swell.
The current surf forecast for Thermopylae at 10AM is: 1.3m 12s primary swell from a Southwest direction and 0.9m 14s secondary swell from a Southwest direction, 1.7m 6s secondary swell from a West-northwest direction (forecast issued at 07:00am June 23). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Jun) | 5ft (1.5m) | 12s |
| Afternoon (23 Jun) | 5ft (1.6m) | 13s |
| Evening (23 Jun) | 8ft (2.5m) | 11s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Tue night. Very mild (max 19°C on Thu afternoon, min 12°C on Tue night). Winds decreasing (fresh winds from the NNW on Tue afternoon, calm by Thu afternoon). | ||||||||||||||||||||||||
Tuesday 23 | Wednesday 24 | Thursday 25 | Fri 26 | |||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | 2 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 13 | WSW 13 | WSW 11 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SSW 12 | SW 16 | SW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 747 | 748 | 396 | 777 | 2052 | 1568 | 7522 | 8216 | 9373 | 8967 | 9012 | 8427 | 8013 | 7239 | 5454 | 4493 | 3827 | 2961 | 2354 | 1922 | 1600 | 1098 | 1523 | 2201 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross | 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 | glassy | glassy |
High Tide | 10:39AM1.27m | 11:00PM1.45m | 11:47AM1.29m | 11:59PM1.45m | 12:44PM1.33m | 00:50AM1.47m | ||||||||||||||||||
Low Tide | 4:40AM0.68m | 4:38PM0.74m | 5:42AM0.66m | 5:42PM0.75m | 6:35AM0.63m | 6:38PM0.73m | ||||||||||||||||||
 |  | |  | |  | |  | | | | | |  | | | |  | | | | |  | | |
 | 7:50 | — | — | — | — | — | — | — | 7:50 | — | — | — | — | — | — | — | 7:50 | — | — | — | — | — | — | 7:52 |
 | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | 5:45 |
mm | 1 | — | — | — | — | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 15 | 15 | 13 | 13 | 12 | 12 | 13 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 14 | 16 | 19 | 18 | 18 | 18 | 17 |
Feels °C | 11 | 10 | 9 | 9 | 10 | 11 | 11 | 10 | 9 | 11 | 10 | 11 | 11 | 11 | 12 | 11 | 11 | 12 | 14 | 18 | 17 | 17 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 13 | WSW 13 | WSW 11 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SSW 12 | SSW 12 | SW 16 |
| kJ | 747 | 748 | 396 | 777 | 2052 | 1568 | 7522 | 8216 | 9373 | 8967 | 9012 | 8427 | 8013 | 7239 | 5454 | 4493 | 3827 | 2961 | 2354 | 1922 | 1600 | 1098 | 1080 | 2201 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 15 | SW 14 | WSW 22 | WSW 21 | SW 19 | SW 18 | — | — | — | — | — | — | — | — | — | — | SW 13 | SW 21 | SSW 20 | SSW 18 | SW 17 | SW 16 | SW 12 |
| kJ | 251 | 318 | 301 | 47 | 297 | 1365 | 1850 | — | — | — | — | — | — | — | — | — | — | 867 | 18 | 39 | 218 | 640 | 1523 | 1082 |
Swell 3 Height (m) Direction Period (s) | — | — | WSW 11 | — | SW 15 | SW 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 17 | WSW 13 | WSW 13 | — |
| kJ | — | — | 40 | — | 305 | 293 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 249 | 331 | 149 | — |
Wind waves Height (m) Direction Period (s) | WNW 5 | WNW 6 | WNW 7 | WNW 7 | NNW 6 | — | — | — | — | — | — | SE 4 | — | SE 5 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | — | — | — | — |
| kJ | 87 | 201 | 273 | 400 | 59 | — | — | — | — | — | — | 34 | — | 110 | 120 | 123 | 160 | 146 | 108 | 80 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 74 | 17 | 24 | 191 | 191 | 191 | 17 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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