Surf Forecasts:
How big are the waves at Thermopylae today (30 Jun):
- Morning surf: Morning surf (30 Jun, local time) - 10ft (3.0m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (30 Jun, local time) - 8ft (2.5m), 12s period with SW swell.
- Evening surf: Evening surf (30 Jun, local time) - 7.5ft (2.3m), 12s period with SW swell.
The current surf forecast for Thermopylae at 8PM is: 2.2m 12s primary swell from a Southwest direction (forecast issued at 01:00pm June 30). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jun) | 10ft (3.0m) | 13s |
| Afternoon (30 Jun) | 8ft (2.5m) | 12s |
| Evening (30 Jun) | 7.5ft (2.3m) | 12s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Wed night. Very mild (max 14°C on Tue afternoon, min 10°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Tue 30 | Wednesday 1 | Thursday 2 | Fri 3 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | W 8 | W 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2212 | 1922 | 1565 | 1358 | 1369 | 1402 | 1215 | 1082 | 814 | 1969 | 1408 | 1269 | 1129 | 1043 | 910 | 1158 | 1047 | 887 | 558 | 558 | 386 | 303 | 422 | 443 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | glassy | glassy | cross | cross-on | cross-on | cross | cross | cross | cross-off | cross |
High Tide | 3:55PM1.58m | 3:55AM1.56m | 4:27PM1.61m | 4:29AM1.56m | 4:58PM1.62m | 5:03AM1.54m | ||||||||||||||||||
Low Tide | 9:35AM0.43m | 9:54PM0.57m | 10:06AM0.42m | 10:28PM0.56m | 10:38AM0.42m | 11:03PM0.55m | ||||||||||||||||||
 | | |  | | | | | | |  |  |  |  |  | | | | | | | | |  | |
 | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:52 | — |
 | — | — | 5:46 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | 5:49 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 13 | 14 | 14 | 13 | 12 | 13 | 13 | 12 | 13 | 14 | 14 | 14 | 13 | 11 | 11 | 10 |
Feels °C | 9 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 9 | 11 | 12 | 10 | 10 | 10 | 10 | 9 | 8 | 6 | 6 | 5 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | W 8 | W 8 | W 8 |
| kJ | 2212 | 1922 | 1565 | 1358 | 1369 | 1402 | 1215 | 1082 | 814 | 1969 | 1408 | 1269 | 1129 | 1043 | 910 | 1158 | 1047 | 887 | 558 | 558 | 386 | 287 | 422 | 443 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | SSW 15 | SSW 15 | SSW 14 | — | — | — | — | — | WSW 16 | W 16 | WSW 15 | WSW 15 | WSW 14 | WSW 5 | W 6 | SW 12 | SW 13 | SW 13 |
| kJ | — | — | — | — | — | — | 126 | 339 | 691 | — | — | — | — | — | 25 | 5 | 21 | 84 | 76 | 29 | 74 | 303 | 418 | 418 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 21 | SW 15 | SW 15 | WSW 13 | WSW 12 | SW 13 | WSW 11 | SSE 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 18 | 33 | 33 | 55 | 49 | 113 | 42 | 23 |
Wind waves Height (m) Direction Period (s) | — | — | — | SSE 3 | SSE 5 | SSE 8 | SSE 4 | — | — | S 6 | S 7 | S 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | — | — | W 6 | NNW 4 | NNW 5 | NNW 5 | N 5 | N 5 |
| kJ | — | — | — | 7 | 59 | 12 | 34 | — | — | 75 | 128 | 215 | 194 | 115 | 85 | 107 | — | — | 64 | 31 | 52 | 59 | 54 | 53 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 8 | 1 | 1 | 1 | 0 | 0 | 6 | 17 | 17 | 31 | 31 | 31 | 31 | 31 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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