Surf Forecasts:
How big are the waves at Thermopylae today (24 Aug):
- Morning surf: Morning surf (24 Aug, local time) - 6ft (1.8m), 12s period with WSW swell.
- Afternoon surf: Afternoon surf (24 Aug, local time) - 5.5ft (1.7m), 11s period with WSW swell.
- Evening surf: Evening surf (24 Aug, local time) - 3.5ft (1.1m), 14s period with SW swell.
The current surf forecast for Thermopylae at 7PM is: 1.1m 15s primary swell from a Southwest direction and 1.2m 10s secondary swell from a Southwest direction, 1.2m 11s secondary swell from a West-southwest direction (forecast issued at 01:00pm August 24). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Aug) | 6ft (1.8m) | 12s |
| Afternoon (24 Aug) | 5.5ft (1.7m) | 11s |
| Evening (24 Aug) | 3.5ft (1.1m) | 14s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Wed afternoon, min 11°C on Mon night). Wind will be generally light. | |||||||||||||||||||||
Mon 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||||||
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) | WSW 11 | WSW 11 | WSW 11 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | WSW 13 | WSW 13 | SW 13 | WSW 13 | WSW 13 | WSW 12 | SE 8 | SE 8 | SE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 724 | 726 | 370 | 529 | 911 | 2082 | 2061 | 2140 | 2233 | 2233 | 1722 | 1547 | 1401 | 1134 | 1147 | 799 | 711 | 573 | 559 | 528 | 435 |
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 | 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 | off |
High Tide | 1:42PM1.42m | 1:47AM1.44m | 2:13PM1.53m | 2:20AM1.53m | 2:41PM1.63m | ||||||||||||||||
Low Tide | 7:47PM0.67m | 7:57AM0.54m | 8:19PM0.57m | 8:27AM0.46m | 8:48PM0.47m | ||||||||||||||||
 | | |  | | |  | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — |
 | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 14 | 12 | 12 | 12 | 11 | 11 | 15 | 18 | 16 | 16 | 13 | 12 | 11 | 12 | 16 | 21 | 23 | 21 | 19 |
Feels °C | 11 | 12 | 10 | 8 | 8 | 9 | 7 | 7 | 11 | 14 | 11 | 12 | 10 | 9 | 8 | 9 | 14 | 19 | 21 | 19 | 17 |
Swell 1 Height (m) Direction Period (s) | WSW 11 | WSW 11 | WSW 11 | SW 10 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | WSW 13 | WSW 13 | SW 13 | WSW 13 | SSE 8 | WSW 12 | SSE 8 | SSE 8 | WSW 12 |
| kJ | 724 | 726 | 370 | 304 | 911 | 2082 | 2061 | 2140 | 2233 | 2233 | 1722 | 1547 | 1401 | 1134 | 1147 | 799 | 244 | 573 | 220 | 192 | 353 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 14 | SW 10 | WSW 11 | SW 10 | W 11 | W 11 | W 11 | SSW 16 | — | SSW 15 | SSW 15 | SW 15 | SSW 13 | SSW 16 | S 8 | WSW 13 | SSE 8 | WSW 12 | WSW 12 | SSW 11 |
| kJ | 70 | 166 | 304 | 356 | 362 | 157 | 116 | 59 | 226 | — | 144 | 85 | 104 | 195 | 51 | 114 | 711 | 238 | 525 | 419 | 263 |
Swell 3 Height (m) Direction Period (s) | — | SSW 14 | SW 15 | SW 14 | W 11 | — | — | — | — | — | — | — | W 18 | SSW 16 | SSW 16 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSE 8 |
| kJ | — | 168 | 233 | 529 | 247 | — | — | — | — | — | — | — | 6 | 51 | 86 | 166 | 148 | 121 | 170 | 234 | 143 |
Wind waves Height (m) Direction Period (s) | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 |
| kJ | 11 | 16 | 22 | 35 | 69 | 66 | 66 | 92 | 133 | 160 | 223 | 249 | 204 | 185 | 241 | 150 | 585 | 550 | 559 | 528 | 435 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 6 | 24 | 21 | 1 | 52 | 1 | 1 | 1 | 1 | 52 | 405 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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