Surf Forecasts:
How big are the waves at Thermopylae today (28 Jul):
- Afternoon surf: Afternoon surf (28 Jul, local time) - 7.5ft (2.3m), 14s period with SW swell.
- Evening surf: Evening surf (28 Jul, local time) - 7ft (2.1m), 14s period with SW swell.
The current surf forecast for Thermopylae at 10PM is: 2.1m 14s primary swell from a Southwest direction and 1.4m 7s secondary swell from a South-southeast direction (forecast issued at 07:00pm July 28). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Jul) | - | - |
| Afternoon (28 Jul) | 7.5ft (2.3m) | 14s |
| Evening (28 Jul) | 7ft (2.1m) | 14s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 21°C on Fri afternoon, min 13°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Tue 28 | Wednesday 29 | Thursday 30 | |||||||||||||||||
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 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 2140 | 1785 | 1615 | 1367 | 1247 | 1144 | 1053 | 1083 | 1099 | 1200 | 1083 | 976 | 891 | 809 | 809 | 744 | 669 | 609 | 553 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-off | off | off | glassy | cross | cross | glassy | glassy | off | off | glassy | cross | cross | glassy | off |
High Tide | 3:08PM1.58m | 3:10AM1.57m | 3:37PM1.64m | 3:42AM1.61m | 4:06PM1.69m | ||||||||||||||
Low Tide | 9:09PM0.55m | 9:20AM0.41m | 9:41PM0.49m | 9:49AM0.37m | 10:11PM0.45m | ||||||||||||||
 |  | | | | | | | |  | | | |  | | | | |  | |
 | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — |
 | 6:02 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:05 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 15 | 13 | 13 | 13 | 13 | 14 | 17 | 17 | 17 | 16 | 16 | 15 | 15 | 16 | 18 | 18 | 18 | 17 |
Feels °C | 13 | 12 | 11 | 11 | 10 | 10 | 12 | 16 | 14 | 14 | 14 | 14 | 13 | 12 | 14 | 16 | 16 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 2140 | 1785 | 1615 | 1367 | 1247 | 1144 | 1053 | 1083 | 1099 | 1200 | 1083 | 976 | 891 | 809 | 809 | 744 | 669 | 609 | 553 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SSE 7 | SSE 7 | SSE 7 | SSE 7 | — | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 |
| kJ | — | — | — | — | — | 93 | 68 | 46 | 18 | — | 15 | 15 | 15 | 16 | 13 | 12 | 12 | 23 | 25 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SE 7 | — | — | — | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | SE 7 | SE 6 | SE 6 | SE 6 | SE 6 |
| kJ | 302 | 263 | 169 | 134 | 93 | 234 | — | — | — | 49 | 74 | 54 | 63 | 67 | 63 | 49 | 54 | 90 | 74 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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