Surf Forecasts:
How big are the waves at Harlech today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 0.5ft (0.1m), 10s period with W swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 0.5ft (0.2m), 10s period with WSW swell.
- Evening surf: Evening surf (12 Aug, local time) - 0.5ft (0.2m), 9s period with WSW swell.
The current surf forecast for Harlech at 7AM is: 0.1m 11s primary swell from a West direction (forecast issued at 12:00am August 12). The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 0.5ft (0.1m) | 10s |
| Afternoon (12 Aug) | 0.5ft (0.2m) | 10s |
| Evening (12 Aug) | 0.5ft (0.2m) | 9s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Wed afternoon, min 17°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | ||||||||||||||||||||||
1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | W 12 | W 11 | W 11 | W 10 | SW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 5 | WSW 5 | WSW 5 | SW 5 | NW 4 | NW 4 | NNW 4 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 3 | 2 | 2 | 2 | 4 | 9 | 9 | 8 | 8 | 8 | 7 | 14 | 7 | 6 | 9 | 8 | 8 | 14 | 15 | 8 | 5 | 4 | 7 | 5 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | cross-off | glassy | on | glassy | glassy | glassy | glassy | cross-off | glassy | on | on | cross-on | cross | cross-off | cross-off | cross | glassy | on | cross | cross | cross |
High Tide | 8:19AM4.12m | 8:39PM4.62m | 9:05AM4.30m | 9:24PM4.83m | 9:48AM4.37m | |||||||||||||||||||
Low Tide | 3:19AM0.21m | 3:33PM0.34m | 4:04AM-0.03m | 4:15PM0.19m | 4:45AM-0.13m | 4:53PM0.15m | ||||||||||||||||||
 |  |  |  | | | | | | | | | | |  |  | | | | | | | | | |
 | — | 5:50 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:50 | — | — | — | — | — | — | — | 8:47 | — | — | — | — | — | — | — | 8:45 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 19 | 18 | 22 | 26 | 29 | 27 | 24 | 21 | 20 | 20 | 22 | 24 | 23 | 21 | 18 | 17 | 17 | 17 | 18 | 19 | 17 | 18 | 15 |
Feels °C | 19 | 18 | 15 | 20 | 25 | 28 | 27 | 24 | 20 | 19 | 19 | 22 | 23 | 23 | 23 | 19 | 17 | 17 | 18 | 20 | 20 | 15 | 16 | 13 |
Swell 1 Height (m) Direction Period (s) | — | W 11 | — | W 10 | SW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 3 | WSW 4 | WSW 5 | WSW 5 | WSW 5 | SW 5 | SW 5 | WSW 4 | SW 4 |
| kJ | — | 2 | — | 2 | 4 | 9 | 9 | 8 | 8 | 8 | 7 | 14 | 7 | 6 | 8 | 1 | 7 | 14 | 15 | 8 | 5 | 3 | 2 | 1 |
Swell 2 Height (m) Direction Period (s) | SW 6 | — | W 11 | — | — | W 6 | SW 6 | SW 6 | — | — | — | — | — | SW 10 | WSW 9 | WSW 9 | WSW 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | SW 7 |
| kJ | 1 | — | 2 | — | — | 1 | 1 | 1 | — | — | — | — | — | 4 | 9 | 8 | 8 | 2 | 2 | 1 | 1 | 1 | 1 | 2 |
Swell 3 Height (m) Direction Period (s) | W 12 | W 6 | — | W 6 | W 6 | — | — | — | — | — | — | — | — | — | — | WSW 9 | SW 7 | — | — | — | — | — | — | — |
| kJ | 3 | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | 8 | 2 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 4 | NW 4 | NW 4 | NNW 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 7 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 130 | 131 | 131 | 185 | 125 | 130 | 143 | 125 | 130 | 125 | 125 | 140 | 148 | 306 | 338 | 142 | 142 | 143 | 143 | 131 | 260 | 131 | 143 | 143 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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