Surf Forecasts:
How big are the waves at Thermopylae today (05 Aug):
- Morning surf: Morning surf (05 Aug, local time) - 6ft (1.9m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (05 Aug, local time) - 7.5ft (2.3m), 15s period with SW swell.
- Evening surf: Evening surf (05 Aug, local time) - 8ft (2.5m), 14s period with WSW swell.
The current surf forecast for Thermopylae at 4AM is: 1.2m 15s primary swell from a Southwest direction and 0.8m 10s secondary swell from a Southwest direction (forecast issued at 01:00am August 05). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Aug) | 6ft (1.9m) | 16s |
| Afternoon (05 Aug) | 7.5ft (2.3m) | 15s |
| Evening (05 Aug) | 8ft (2.5m) | 14s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Wed night. Very mild (max 15°C on Wed afternoon, min 11°C on Thu night). Winds decreasing (fresh winds from the NNW on Wed afternoon, calm by Fri afternoon). | ||||||||||||||||||||||||
Wednesday 5 | Thursday 6 | Friday 7 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 15 | SW 15 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 12 | SW 12 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 15 | SW 15 | SW 14 | SW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 355 | 677 | 1532 | 2295 | 2390 | 2326 | 2626 | 3633 | 4852 | 4804 | 4308 | 3672 | 3502 | 3459 | 3244 | 3318 | 3267 | 3688 | 4005 | 4062 | 4815 | 4815 | 4684 | 4431 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross | cross | cross-on | cross | cross | cross | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross | cross-off |
High Tide | 7:21AM1.42m | 7:48PM1.55m | 8:24AM1.33m | 8:57PM1.47m | 9:53AM1.28m | 10:28PM1.43m | ||||||||||||||||||
Low Tide | 1:17AM0.54m | 1:19PM0.59m | 2:18AM0.62m | 2:24PM0.69m | 3:42AM0.67m | 4:01PM0.74m | ||||||||||||||||||
 | |  |  | | |  |  |  | |  |  | | | | | | | | | | | | | |
 | — | 7:35 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — |
mm | — | — | — | — | — | — | — | — | 5 | 5 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 12 | 14 | 15 | 15 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 15 | 14 | 13 | 13 |
Feels °C | 9 | 9 | 8 | 9 | 10 | 10 | 9 | 8 | 10 | 11 | 10 | 10 | 8 | 7 | 6 | 7 | 7 | 9 | 9 | 10 | 14 | 11 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 12 | SW 12 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 15 | SW 15 | SW 14 | SW 14 |
| kJ | 355 | 677 | 1532 | 2295 | 2390 | 2326 | 2626 | 3633 | 4852 | 4804 | 4308 | 3672 | 3502 | 3459 | 3244 | 3318 | 3267 | 3688 | 4005 | 4062 | 4815 | 4815 | 4684 | 4431 |
Swell 2 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 10 | W 9 | W 9 | W 9 | W 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 144 | 117 | 77 | 41 | 41 | 25 | 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | ESE 10 | — | W 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 98 | 71 | 65 | 10 | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 2 | N 4 | N 4 | NNW 5 | NNW 5 | NW 5 | NNW 5 | NNW 5 | — | — | — | — | — | — | — | — | SE 4 | SE 5 | — | — | — | — | — | — |
| kJ | 2 | 12 | 35 | 54 | 83 | 106 | 83 | 105 | — | — | — | — | — | — | — | — | 45 | 47 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 31 | 31 | 11 | 74 | 283 | 234 | 277 | 191 | 17 | 1 | 0 | 0 | 0 | 139 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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