Surf Forecasts:
How big are the waves at Thermopylae today (11 Jul):
- Morning surf: Morning surf (11 Jul, local time) - 6.5ft (2.0m), 12s period with SSW swell.
- Afternoon surf: Afternoon surf (11 Jul, local time) - 5ft (1.5m), 12s period with SSW swell.
- Evening surf: Evening surf (11 Jul, local time) - 5ft (1.5m), 11s period with SSW swell.
The current surf forecast for Thermopylae at 6AM is: 2.0m 12s primary swell from a South-southwest direction and 0.7m 12s secondary swell from a West direction, 1.3m 7s secondary swell from a South-southeast direction (forecast issued at 01:00am July 11). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Jul) | 6.5ft (2.0m) | 12s |
| Afternoon (11 Jul) | 5ft (1.5m) | 12s |
| Evening (11 Jul) | 5ft (1.5m) | 11s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Sat afternoon, min 12°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 11 | Sunday 12 | Monday 13 | ||||||||||||||||||||||
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) | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 12 | S 11 | S 11 | S 11 | S 11 | SSW 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSW 10 | S 10 | SSW 10 | SSW 9 | W 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1258 | 1221 | 1221 | 1132 | 598 | 637 | 503 | 701 | 1042 | 882 | 778 | 676 | 387 | 495 | 410 | 402 | 340 | 290 | 240 | 154 | 192 | 150 | 147 | 177 |
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 | off | cross-off | glassy | cross | cross-off | off | glassy | glassy | glassy | glassy | cross-on | glassy | glassy | glassy |
High Tide | 00:04AM1.57m | 12:54PM1.47m | 1:10AM1.64m | 1:53PM1.59m | 2:08AM1.70m | 2:44PM1.70m | ||||||||||||||||||
Low Tide | 6:40AM0.48m | 6:57PM0.57m | 7:38AM0.40m | 7:58PM0.48m | 8:30AM0.32m | 8:53PM0.40m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | |  | | | | | | | |
 | — | 7:50 | — | — | — | — | — | — | — | 7:50 | — | — | — | — | — | — | — | 7:50 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:53 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 12 | 14 | 17 | 18 | 16 | 15 | 14 | 14 | 14 | 15 | 17 | 18 | 17 | 16 | 16 | 15 | 15 | 16 | 17 | 17 | 16 | 16 |
Feels °C | 10 | 9 | 9 | 12 | 15 | 16 | 13 | 13 | 11 | 11 | 12 | 13 | 15 | 16 | 15 | 14 | 15 | 14 | 14 | 15 | 15 | 16 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 12 | S 11 | S 11 | S 11 | S 11 | SSW 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSW 10 | S 10 | SSW 10 | SSW 9 | S 9 |
| kJ | 1258 | 1221 | 1221 | 1132 | 598 | 637 | 503 | 701 | 1042 | 882 | 778 | 676 | 387 | 495 | 410 | 402 | 340 | 290 | 240 | 154 | 192 | 150 | 147 | 110 |
Swell 2 Height (m) Direction Period (s) | W 12 | W 12 | W 11 | SSE 7 | SW 12 | SW 12 | SW 12 | W 12 | W 12 | W 11 | W 11 | W 11 | SSE 8 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | SSE 9 | W 9 | W 9 | W 11 | W 12 |
| kJ | 136 | 134 | 121 | 128 | 448 | 178 | 209 | 175 | 166 | 116 | 114 | 114 | 119 | 110 | 75 | 71 | 69 | 69 | 68 | 61 | 41 | 40 | 65 | 177 |
Swell 3 Height (m) Direction Period (s) | — | — | W 20 | W 11 | W 11 | W 11 | W 12 | SW 18 | SW 17 | WSW 16 | SW 16 | SW 16 | W 11 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | W 10 | SW 14 | WSW 12 | W 9 | SW 13 |
| kJ | — | — | 7 | 116 | 84 | 163 | 178 | 12 | 12 | 26 | 41 | 40 | 112 | 36 | 34 | 33 | 33 | 33 | 33 | 46 | 32 | 50 | 40 | 28 |
Wind waves Height (m) Direction Period (s) | SSE 6 | SSE 7 | SSE 7 | SE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 8 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | — | — | — | — | — | — | — |
| kJ | 140 | 137 | 124 | 236 | 105 | 132 | 163 | 204 | 323 | 313 | 295 | 335 | 248 | 204 | 248 | 153 | 109 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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