Surf Forecasts:
How big are the waves at Thermopylae today (14 Aug):
- Afternoon surf: Afternoon surf (14 Aug, local time) - 5.5ft (1.7m), 15s period with WSW swell.
- Evening surf: Evening surf (14 Aug, local time) - 5ft (1.6m), 14s period with WSW swell.
The current surf forecast for Thermopylae at 11PM is: 1.6m 14s primary swell from a West-southwest direction and 0.9m 6s secondary swell from a West-northwest direction (forecast issued at 07:00pm August 14). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Aug) | - | - |
| Afternoon (14 Aug) | 5.5ft (1.7m) | 15s |
| Evening (14 Aug) | 5ft (1.6m) | 14s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Sat afternoon, min 12°C on Sat morning). Wind will be generally light. | |||||||||||||||||||
Fri 14 | Saturday 15 | Sunday 16 | |||||||||||||||||
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 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 1130 | 975 | 947 | 1059 | 1075 | 1059 | 1043 | 1127 | 1398 | 1576 | 1553 | 1444 | 1401 | 1356 | 1423 | 1797 | 2228 | 2786 | 3528 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-off | cross-off | cross-off | glassy | glassy | cross | cross | cross-off | glassy | cross-on | cross-on | cross | cross | cross-on | cross-on | cross | cross |
High Tide | 4:35PM1.88m | 4:52AM1.72m | 5:11PM1.83m | 5:27AM1.65m | 5:47PM1.75m | ||||||||||||||
Low Tide | 10:50PM0.28m | 10:56AM0.29m | 11:26PM0.34m | 11:29AM0.37m | |||||||||||||||
 |  | | | | |  |  | |  |  | | | | | | | | | |
 | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — |
 | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 14 | 14 | 13 | 12 | 14 | 16 | 16 | 16 | 16 | 15 | 14 | 13 | 15 | 16 | 16 | 15 | 15 |
Feels °C | 13 | 13 | 12 | 13 | 12 | 12 | 14 | 15 | 15 | 14 | 15 | 13 | 12 | 11 | 12 | 13 | 14 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 |
| kJ | 1130 | 975 | 947 | 1059 | 1075 | 1059 | 1043 | 1127 | 1398 | 1576 | 1553 | 1444 | 1401 | 1356 | 1423 | 1797 | 2228 | 2786 | 3528 |
Swell 2 Height (m) Direction Period (s) | ESE 11 | WNW 6 | WNW 6 | WNW 6 | W 6 | W 6 | W 7 | WSW 8 | — | — | — | SE 4 | — | — | — | — | — | — | — |
| kJ | 12 | 57 | 47 | 43 | 43 | 48 | 77 | 112 | — | — | — | 3 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | W 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 162 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 6 | — | — | — | — | — | — | — | — | — | — | — | — | NW 3 | NNW 3 | — | — | — | — |
| kJ | 86 | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 3 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 24 | 17 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 11 | 11 | 6 | 11 | 17 | 24 | 6 | 6 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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