Surf Forecasts:
How big are the waves at Thermopylae today (04 Sep):
- Morning surf: Morning surf (04 Sep, local time) - 10ft (3.0m), 9s period with SSE swell.
- Afternoon surf: Afternoon surf (04 Sep, local time) - 10ft (3.0m), 8s period with SSE swell.
- Evening surf: Evening surf (04 Sep, local time) - 10ft (3.0m), 8s period with SSE swell.
The current surf forecast for Thermopylae at 2PM is: 2.5m 9s primary swell from a South-southeast direction and 0.6m 11s secondary swell from a West-southwest direction, 0.1m 14s secondary swell from a South direction (forecast issued at 07:00am September 04). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Sep) | 10ft (3.0m) | 9s |
| Afternoon (04 Sep) | 10ft (3.0m) | 8s |
| Evening (04 Sep) | 10ft (3.0m) | 8s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Sun afternoon, min 11°C on Fri night). Winds decreasing (strong winds from the SE on Fri afternoon, light winds from the NE by Sun night). | |||||||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | |||||||||||||||||||||
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) | 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 | SW 24 | SW 22 | SW 21 | SW 20 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SW 15 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1729 | 1469 | 1043 | 1072 | 1334 | 1094 | 788 | 698 | 649 | 532 | 605 | 521 | 666 | 789 | 1528 | 2460 | 3370 | 3302 | 3122 | 2220 | 1978 | 1664 | 1460 |
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 | off | off | cross-off | cross | cross-off | cross-off | off |
High Tide | 8:01AM1.33m | 8:36PM1.38m | 9:45AM1.27m | 10:31PM1.33m | 11:38AM1.35m | ||||||||||||||||||
Low Tide | 2:06PM0.74m | 3:24AM0.73m | 4:12PM0.79m | 5:18AM0.70m | 6:02PM0.70m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | | | | | | | | |
 | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — |
 | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 15 | 17 | 17 | 13 | 13 | 12 | 11 | 11 | 15 | 20 | 21 | 17 | 14 | 14 | 14 | 14 | 19 | 24 | 25 | 25 | 23 |
Feels °C | 4 | 5 | 7 | 7 | 7 | 5 | 7 | 7 | 7 | 7 | 10 | 16 | 16 | 13 | 10 | 11 | 11 | 12 | 17 | 22 | 23 | 24 | 22 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | SSW 10 | SSW 10 | SSW 10 | SW 24 | SW 22 | SW 21 | SW 20 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SW 15 |
| kJ | 196 | 183 | 138 | 95 | 93 | 68 | 66 | 101 | 94 | 69 | 92 | 116 | 140 | 661 | 1528 | 2460 | 3370 | 3302 | 3122 | 2220 | 1978 | 1664 | 1460 |
Swell 2 Height (m) Direction Period (s) | NW 8 | — | — | S 14 | S 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | SSW 10 | SSW 9 | SW 10 | SSE 8 | SSE 8 | SSE 9 | — | SSE 9 | SSE 8 |
| kJ | 2 | — | — | 4 | 15 | 18 | 34 | 56 | 55 | 65 | 67 | 56 | 38 | 38 | 65 | 58 | 76 | 287 | 222 | 186 | — | 202 | 147 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | S 11 | SSW 11 | — | — | SSW 13 | SW 25 | SW 12 | SW 10 | SW 12 | SW 13 | SW 9 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 2 | 12 | — | — | 34 | 162 | 39 | 23 | 39 | 82 | 43 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | 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 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SSE 9 | SE 8 | SE 8 |
| kJ | 1729 | 1469 | 1043 | 1072 | 1334 | 1094 | 788 | 698 | 649 | 532 | 605 | 521 | 666 | 789 | 635 | 527 | 381 | 816 | 619 | 504 | 186 | 542 | 373 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 1299 | 1299 | 1447 | 3880 | 177 | 10 | 8 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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