Surf Forecasts:
How big are the waves at Harlech today (20 Sep):
- Afternoon surf: Afternoon surf (20 Sep, local time) - 1.5ft (0.4m), 6s period with WSW swell.
- Evening surf: Evening surf (20 Sep, local time) - 1.5ft (0.4m), 6s period with SW swell.
The current surf forecast for Harlech at 9PM is: 0.4m 6s primary swell from a Southwest direction and 0.1m 4s secondary swell from a Northwest direction (forecast issued at 06:00pm September 20). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | - | - |
| Afternoon (20 Sep) | 1.5ft (0.4m) | 6s |
| Evening (20 Sep) | 1.5ft (0.4m) | 6s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Tue night. Very mild (max 18°C on Tue afternoon, min 12°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | |||||||||||||||||
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) | WSW 6 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | WSW 3 | W 12 | W 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 15 | 10 | 10 | 6 | 10 | 4 | 5 | 9 | 6 | 4 | 2 | 2 | 4 | 4 | 4 | 2 | 1 | 3 | 3 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross-on | glassy | glassy | glassy |
High Tide | 3:54PM2.70m | 5:10AM2.61m | 5:43PM2.89m | 6:18AM2.86m | 6:34PM3.22m | ||||||||||||||
Low Tide | 11:13PM1.68m | 11:45AM1.68m | 00:38AM1.43m | 12:52PM1.39m | |||||||||||||||
 | |  |  | |  | | | |  | | | | | | | | | | |
 | — | — | — | — | 6:58 | — | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — |
 | — | 7:21 | — | — | — | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 12 | 12 | 12 | 13 | 14 | 15 | 17 | 16 | 16 | 16 | 15 | 15 | 16 | 17 | 18 | 17 | 16 |
Feels °C | 12 | 12 | 11 | 9 | 9 | 10 | 12 | 15 | 18 | 16 | 16 | 16 | 15 | 15 | 16 | 18 | 19 | 18 | 17 |
Swell 1 Height (m) Direction Period (s) | WSW 6 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | SW 6 | W 6 | SW 4 | SW 4 | SW 6 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | WSW 3 | WSW 3 | — |
| kJ | 15 | 10 | 10 | 6 | 10 | 4 | 2 | 1 | 6 | 4 | 1 | 2 | 4 | 4 | 4 | 2 | 1 | 1 | — |
Swell 2 Height (m) Direction Period (s) | NW 5 | NW 4 | NW 4 | NW 4 | — | WSW 3 | — | SW 6 | SW 6 | SW 6 | — | W 6 | W 7 | W 7 | W 6 | W 6 | W 6 | W 6 | W 6 |
| kJ | 5 | 3 | 1 | 1 | — | 1 | — | 2 | 2 | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | NW 4 | — | — | — | — | — | — | — | — | — | — | — | W 12 | W 12 |
| kJ | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SW 3 | SW 4 | SW 4 | — | — | SW 4 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 3 | 5 | 9 | — | — | 2 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 143 | 143 | 131 | 131 | 131 | 191 | 230 | 263 | 284 | 221 | 221 | 221 | 221 | 221 | 147 | 143 | 143 | 137 | 125 |
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)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Harlech surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest