Surf Forecasts:
How big are the waves at Thermopylae today (15 Jul):
- Morning surf: Morning surf (15 Jul, local time) - 3.5ft (1.1m), 17s period with SW swell.
- Afternoon surf: Afternoon surf (15 Jul, local time) - 7ft (2.1m), 16s period with SW swell.
- Evening surf: Evening surf (15 Jul, local time) - 10ft (3.0m), 14s period with SW swell.
The current surf forecast for Thermopylae at 12AM is: 0.9m 9s primary swell from a West direction and 0.4m 12s secondary swell from a Southwest direction, 0.3m 2s secondary swell from a Northwest direction (forecast issued at 07:00pm July 14). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Jul) | 3.5ft (1.1m) | 17s |
| Afternoon (15 Jul) | 7ft (2.1m) | 16s |
| Evening (15 Jul) | 10ft (3.0m) | 14s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Fri afternoon, min 13°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 14 | Wednesday 15 | Thursday 16 | Fri 17 | |||||||||||||||||||||
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 | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | W 10 | W 10 | W 9 | SW 18 | SW 17 | SW 16 | SW 17 | SW 16 | SW 16 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 156 | 153 | 140 | 150 | 350 | 527 | 1061 | 1694 | 3130 | 3659 | 3953 | 3705 | 3048 | 2681 | 2381 | 1942 | 1645 | 1261 | 1112 | 1249 | 1291 | 999 | 897 | 819 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross-on | cross-on | glassy | cross-off | off | off | glassy | cross-off | glassy | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy |
High Tide | 3:32PM1.78m | 3:47AM1.76m | 4:17PM1.83m | 4:33AM1.74m | 5:00PM1.83m | 5:16AM1.69m | ||||||||||||||||||
Low Tide | 9:43PM0.34m | 10:01AM0.25m | 10:30PM0.32m | 10:44AM0.26m | 11:15PM0.34m | 11:25AM0.32m | ||||||||||||||||||
 |  | |  | | |  | | | | | | | | | | | | |  | |  | | | |
 | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:48 | — | — | — |
 | 5:53 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | 5:55 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 13 | 13 | 13 | 14 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 16 | 18 |
Feels °C | 12 | 13 | 13 | 11 | 11 | 11 | 13 | 15 | 17 | 15 | 15 | 15 | 14 | 14 | 15 | 14 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 17 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 9 | W 9 | W 9 | SW 16 | SW 17 | SW 16 | SW 16 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 |
| kJ | 156 | 153 | 140 | 132 | 129 | 527 | 1061 | 1694 | 3130 | 3659 | 3953 | 3705 | 3048 | 2681 | 2381 | 1942 | 1645 | 1261 | 1112 | 1249 | 1291 | 999 | 897 | 819 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | S 9 | SW 12 | SW 18 | SW 17 | W 9 | W 9 | W 11 | W 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 26 | 37 | 52 | 150 | 350 | 162 | 104 | 185 | 110 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 18 | SW 12 | WSW 4 | W 11 | SW 11 | SW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 55 | 53 | 109 | 52 | 3 | 61 | 140 | 141 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 2 | NW 2 | NW 2 | WNW 3 | N 2 | NNW 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 3 | — |
| kJ | 1 | 1 | 1 | 2 | 1 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 6 | 17 | 6 | 6 | 6 | 6 | 16 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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