Surf Forecasts:
How big are the waves at Thermopylae today (03 Sep):
- Morning surf: Morning surf (03 Sep, local time) - 6ft (1.8m), 13s period with WSW swell.
- Afternoon surf: Afternoon surf (03 Sep, local time) - 10ft (3.0m), 9s period with S swell.
- Evening surf: Evening surf (03 Sep, local time) - 10ft (3.0m), 9s period with SSE swell.
The current surf forecast for Thermopylae at 7PM is: 3.0m 9s primary swell from a South-southeast direction and 1.2m 12s secondary swell from a West-southwest direction, 0.5m 13s secondary swell from a West direction (forecast issued at 01:00pm September 03). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Sep) | 6ft (1.8m) | 13s |
| Afternoon (03 Sep) | 10ft (3.0m) | 9s |
| Evening (03 Sep) | 10ft (3.0m) | 9s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu afternoon. Warm (max 21°C on Sat afternoon, min 11°C on Fri night). Winds decreasing (strong winds from the SSE on Thu afternoon, light winds from the ESE by Sun morning). | |||||||||||||||||||||
Thu 3 | Friday 4 | Saturday 5 | |||||||||||||||||||
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 13 | S 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SW 22 |
Wave Graph  | |||||||||||||||||||||
 kJ | 853 | 1391 | 1640 | 1353 | 1437 | 1655 | 1897 | 1562 | 1151 | 1183 | 1334 | 1131 | 808 | 716 | 683 | 545 | 500 | 545 | 558 | 817 | 1043 |
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 | cross-off |
High Tide | 7:19PM1.51m | 8:01AM1.33m | 8:36PM1.38m | 9:45AM1.27m | 10:31PM1.33m | ||||||||||||||||
Low Tide | 12:52PM0.62m | 1:46AM0.64m | 2:06PM0.74m | 3:24AM0.73m | 4:12PM0.79m | ||||||||||||||||
 |  |  |  | |  | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — |
 | — | — | 6:29 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 12 | 15 | 17 | 16 | 13 | 12 | 12 | 11 | 11 | 15 | 19 | 21 | 17 | 14 |
Feels °C | 12 | 5 | 5 | 5 | 4 | 4 | 3 | 3 | 6 | 7 | 6 | 6 | 6 | 7 | 7 | 6 | 10 | 14 | 16 | 12 | 10 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | SSW 10 | SSW 10 | SSW 10 | SW 23 | SW 22 |
| kJ | 853 | 598 | 419 | 393 | 322 | 311 | 252 | 193 | 140 | 95 | 68 | 68 | 66 | 66 | 94 | 68 | 114 | 90 | 137 | 436 | 1043 |
Swell 2 Height (m) Direction Period (s) | S 9 | W 16 | W 14 | W 12 | WNW 11 | — | NW 8 | — | — | S 14 | S 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | SW 12 |
| kJ | 215 | 5 | 93 | 108 | 38 | — | 2 | — | — | 4 | 15 | 18 | 34 | 56 | 34 | 63 | 67 | 57 | 39 | 38 | 37 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | S 11 | SSW 11 | — | SSW 13 | SSW 13 | SW 25 | SW 12 | SW 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 12 | — | 18 | 34 | 95 | 39 | 24 |
Wind waves Height (m) Direction Period (s) | S 9 | S 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 452 | 1391 | 1640 | 1353 | 1437 | 1655 | 1897 | 1562 | 1151 | 1183 | 1334 | 1131 | 808 | 716 | 683 | 545 | 500 | 545 | 558 | 817 | 771 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 139 | 937 | 1001 | 1418 | 1285 | 1285 | 1285 | 1447 | 3878 | 232 | 10 | 8 | 1 | 1 | 1 | 1 | 1 | 1 | 10 | 1 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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