Surf Forecasts:
How big are the waves at Thermopylae today (29 Sep):
- Morning surf: Morning surf (29 Sep, local time) - 7ft (2.2m), 8s period with SE swell.
- Afternoon surf: Afternoon surf (29 Sep, local time) - 7.5ft (2.3m), 8s period with SE swell.
- Evening surf: Evening surf (29 Sep, local time) - 5ft (1.6m), 9s period with SSE swell.
The current surf forecast for Thermopylae at 9AM is: 2.2m 8s primary swell from a Southeast direction and 1.4m 8s secondary swell from a South-southeast direction, 0.8m 11s secondary swell from a West-southwest direction (forecast issued at 01:00am September 29). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Sep) | 7ft (2.2m) | 8s |
| Afternoon (29 Sep) | 7.5ft (2.3m) | 8s |
| Evening (29 Sep) | 5ft (1.6m) | 9s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 30°C on Wed afternoon, min 13°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 29 | Wednesday 30 | Thursday 1 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 8 | SSE 9 | SE 8 | SE 8 | SW 13 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 469 | 512 | 598 | 567 | 567 | 309 | 355 | 569 | 443 | 277 | 440 | 434 | 398 | 386 | 342 | 336 | 331 | 241 | 230 | 216 | 209 | 169 | 167 | 137 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | cross-off | cross | cross-off | cross-off | cross-off | off | off | off | glassy | cross-off | cross | cross-off | cross-off | cross | cross | cross-off | cross-on | cross-on | cross-on | cross-off | cross-on |
High Tide | 4:31AM1.75m | 4:44PM1.84m | 5:09AM1.68m | 5:23PM1.74m | 5:51AM1.58m | 6:08PM1.60m | ||||||||||||||||||
Low Tide | 10:29AM0.33m | 10:58PM0.29m | 11:07AM0.41m | 11:37PM0.40m | 11:49AM0.53m | |||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | |  | | |  | | |
 | — | 6:26 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:47 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 15 | 20 | 24 | 26 | 25 | 23 | 22 | 21 | 22 | 27 | 30 | 29 | 28 | 26 | 20 | 14 | 16 | 21 | 17 | 16 | 15 | 15 |
Feels °C | 11 | 11 | 12 | 18 | 21 | 23 | 22 | 20 | 19 | 17 | 19 | 25 | 27 | 26 | 24 | 24 | 17 | 11 | 12 | 16 | 12 | 15 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SW 13 | SW 13 | SSE 9 | SSE 9 | SSE 9 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 226 | 207 | 257 | 237 | 197 | 290 | 326 | 233 | 157 | 119 | 440 | 434 | 398 | 386 | 342 | 336 | 331 | 241 | 230 | 216 | 209 | 169 | 167 | 137 |
Swell 2 Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 12 | WSW 11 | SW 13 | WSW 11 | — | SW 13 | SW 13 | SW 13 | SSE 9 | SSE 8 | SSE 8 | SE 10 | SE 10 | SSE 6 | SSE 6 | SSE 11 | SE 12 | SE 12 | SE 11 | SSE 11 | SSE 11 | SE 11 |
| kJ | 243 | 215 | 153 | 109 | 215 | 48 | — | 321 | 326 | 277 | 96 | 47 | 37 | 4 | 4 | 22 | 15 | 47 | 34 | 34 | 20 | 12 | 12 | 5 |
Swell 3 Height (m) Direction Period (s) | SW 15 | SW 14 | SW 14 | SW 14 | WSW 11 | — | — | SW 16 | SW 16 | SW 16 | — | — | — | — | W 16 | SSE 10 | SSE 10 | SE 12 | — | — | — | W 15 | NW 15 | NW 15 |
| kJ | 76 | 74 | 121 | 184 | 109 | — | — | 96 | 96 | 159 | — | — | — | — | 5 | 10 | 10 | 52 | — | — | — | 4 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 8 | SSE 9 | SE 8 | SE 8 | — | — | — | SE 8 | SSE 8 | SSE 8 | — | NNW 3 | NNW 4 | NNW 4 | NNW 5 | NW 5 | NW 5 | NW 5 | NW 5 |
| kJ | 469 | 512 | 598 | 567 | 567 | 309 | 355 | 569 | 443 | — | — | — | 98 | 34 | 32 | — | 3 | 13 | 28 | 44 | 86 | 62 | 38 | 25 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 11 | 31 | 31 | 83 | 234 | 17 | 0 | 11 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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