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 5PM is: 0.2m 10s primary swell from a West-southwest direction and 0.1m 6s secondary swell from a Southwest direction (forecast issued at 12:00pm August 12). The wind direction is predicted to be onshore.
| 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 13°C on Fri night). Wind will be generally light. | |||||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | |||||||||||||||||||
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 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 5 | WSW 5 | WSW 5 | WSW 4 | SW 5 | NW 4 | NW 4 | NW 3 |
Wave Graph | |||||||||||||||||||||
2 | 4 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 8 | 8 | 12 | 15 | 8 | 8 | 5 | 5 | 3 | 3 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | glassy | glassy | glassy | cross-off | cross-off | glassy | glassy | cross-on | on | cross-on | cross | cross | cross | cross | on | cross-on | cross-on | cross | cross |
High Tide | 8:19AM4.12m | 8:39PM4.62m | 9:05AM4.30m | 9:24PM4.83m | 9:48AM4.37m | ||||||||||||||||
Low Tide | 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 | 23 | 26 | 29 | 28 | 25 | 22 | 21 | 20 | 22 | 23 | 23 | 21 | 18 | 17 | 17 | 17 | 18 | 18 | 18 | 19 | 15 |
Feels °C | 21 | 25 | 29 | 28 | 25 | 21 | 20 | 20 | 22 | 23 | 23 | 23 | 19 | 17 | 17 | 18 | 19 | 19 | 17 | 18 | 13 |
Swell 1 Height (m) Direction Period (s) | — | SW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 4 | WSW 5 | WSW 5 | WSW 5 | WSW 4 | SW 5 | SW 5 | WSW 5 | WSW 5 |
— | 4 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 8 | 3 | 12 | 15 | 8 | 8 | 5 | 3 | 2 | 2 | |
Swell 2 Height (m) Direction Period (s) | W 10 | — | W 6 | SW 6 | SW 6 | — | — | — | — | — | SW 10 | — | WSW 9 | SW 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | SW 7 |
2 | — | 1 | 1 | 1 | — | — | — | — | — | 4 | — | 8 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | |
Swell 3 Height (m) Direction Period (s) | W 6 | W 6 | — | — | — | — | — | — | — | — | — | — | WSW 9 | SW 6 | — | — | — | — | — | — | — |
1 | 1 | — | — | — | — | — | — | — | — | — | — | 8 | 2 | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 3 | NW 4 | NW 4 | NW 3 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 5 | 3 | 3 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 185 | 133 | 130 | 130 | 125 | 130 | 125 | 125 | 137 | 148 | 306 | 263 | 142 | 142 | 142 | 143 | 143 | 501 | 501 | 143 | 143 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












