Surf Forecasts:
How big are the waves at Harlech today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 1.5ft (0.5m), 4s period with NW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2ft (0.6m), 5s period with NW swell.
- Evening surf: Evening surf (21 Aug, local time) - 0.5ft (0.1m), 13s period with W swell.
The current surf forecast for Harlech at 8AM is: 0.4m 4s primary swell from a Northwest direction and 0.2m 6s secondary swell from a West-southwest direction, 0.1m 14s secondary swell from a West direction (forecast issued at 12:00am August 21). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 1.5ft (0.5m) | 4s |
| Afternoon (21 Aug) | 2ft (0.6m) | 5s |
| Evening (21 Aug) | 0.5ft (0.1m) | 13s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Fri morning. Very mild (max 18°C on Sun afternoon, min 11°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||||||
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) | NW 4 | NW 4 | NW 4 | NW 5 | NW 5 | WNW 4 | W 4 | W 13 | W 13 | W 13 | NW 5 | W 15 | W 15 | W 15 | W 15 | W 15 | W 15 | W 15 | W 15 | W 14 | W 14 | W 14 | SW 14 | SW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 8 | 6 | 6 | 17 | 13 | 8 | 1 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 7 | 7 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | glassy | glassy | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | glassy | on | cross-on | cross-on | cross-off |
High Tide | 2:28AM2.96m | 3:05PM2.85m | 3:58AM2.73m | 4:48PM2.79m | 5:37AM2.77m | 6:09PM2.98m | ||||||||||||||||||
Low Tide | 9:04AM1.62m | 9:50PM1.66m | 10:38AM1.74m | 11:51PM1.66m | 12:30PM1.63m | |||||||||||||||||||
 |  |  |  | |  |  | | | | | | | | | | | | | | | | | | |
 | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:30 | — | — | — | — | — | — | — | 8:29 | — | — | — | — | — | — | — | 8:25 | — |
mm | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 12 | 14 | 15 | 17 | 17 | 13 | 12 | 11 | 11 | 14 | 16 | 16 | 16 | 12 | 11 | 11 | 11 | 15 | 17 | 18 | 17 | 14 |
Feels °C | 10 | 10 | 11 | 13 | 14 | 15 | 14 | 10 | 10 | 9 | 9 | 13 | 13 | 12 | 13 | 9 | 9 | 9 | 9 | 14 | 15 | 16 | 16 | 12 |
Swell 1 Height (m) Direction Period (s) | WSW 6 | WSW 6 | WSW 6 | NW 4 | WNW 4 | WNW 4 | W 4 | NW 4 | NW 4 | NW 4 | NW 5 | NW 5 | W 15 | W 15 | W 15 | NW 4 | NNW 3 | — | — | W 14 | W 14 | W 14 | SW 14 | SW 13 |
| kJ | 4 | 4 | 4 | 9 | 8 | 8 | 1 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 2 | 1 | — | — | 4 | 4 | 4 | 7 | 7 |
Swell 2 Height (m) Direction Period (s) | W 14 | W 14 | W 14 | WSW 6 | SW 6 | SW 6 | NNW 4 | SW 6 | W 6 | W 13 | W 13 | W 15 | — | W 10 | W 12 | W 15 | W 15 | W 15 | W 15 | — | — | — | — | — |
| kJ | 4 | 4 | 4 | 3 | 1 | 1 | 2 | 1 | 1 | 3 | 3 | 4 | — | 2 | 3 | 4 | 4 | 4 | 4 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 14 | — | — | W 14 | W 13 | W 13 | SW 6 | W 13 | W 13 | W 6 | W 6 | W 6 | — | — | — | W 12 | — | — | — | — | — | — | — | — |
| kJ | 4 | — | — | 4 | 4 | 3 | 1 | 3 | 3 | 1 | 1 | 1 | — | — | — | 3 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 4 | NW 4 | NW 4 | NW 5 | NW 5 | — | — | — | — | — | — | — | NW 4 | NW 3 | NW 3 | N 3 | — | — | — | — | NW 4 | — | — | — |
| kJ | 8 | 6 | 6 | 17 | 13 | — | — | — | — | — | — | — | 2 | 2 | 5 | 2 | — | — | — | — | 1 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 140 | 131 | 131 | 143 | 334 | 299 | 215 | 131 | 221 | 191 | 138 | 138 | 215 | 299 | 295 | 215 | 138 | 138 | 215 | 141 | 130 | 282 | 264 | 145 |
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