- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Harlech surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 am Tuesday 19 May 2026 BSTForecast update in hr min s Forecast update imminent
Harlech surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Harlech sea temperature is
12.4° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at Harlech today?
The current surf forecast for Harlech at 5AM is: 0.8m 7s primary swell from a Southwest direction (forecast issued at 12:00am May 19). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 3.5ft (1.1m) | 7s |
| Afternoon (19 May) | 4.5ft (1.4m) | 6s |
| Evening (19 May) | 5.5ft (1.7m) | 7s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 21mm), heaviest during Mon night. Very mild (max 16°C on Thu morning, min 11°C on Mon night). Winds decreasing (fresh winds from the SW on Tue night, light winds from the SSW by Thu afternoon). | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 | SW 7 | SW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 6 | WSW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 5 | SW 6 | SW 6 | SW 7 | SW 7 | SW 8 | SW 8 | |
42 | 61 | 122 | 160 | 174 | 137 | 206 | 375 | 541 | 404 | 378 | 184 | 154 | 147 | 108 | 89 | 58 | 40 | 72 | 76 | 61 | 57 | 57 | 70 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross | cross | cross-off | |
High Tide | 10:04PM4.70m | 10:30AM4.48m | 10:50PM4.58m | 11:18AM4.19m | 11:39PM4.36m | 12:10PM3.82m | ||||||||||||||||||
Low Tide | 5:19AM0.23m | 5:40PM0.52m | 6:13AM0.33m | 6:32PM0.71m | 7:11AM0.49m | 7:28PM0.91m | ||||||||||||||||||
 | |  | |  | | | | |  | | |  |  | |  | |  | | | | | |  | |
 | — | 5:13 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:13 | — | — | — | — | — | — | — | 9:14 | — | — | — | — | — | — | — | 9:15 | — |
3 | 2 | 3 | 1 | 3 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 12 | 12 | 12 | 12 | 13 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 13 | 13 | 12 | 12 | 12 | 13 | 15 | 16 | 16 | 16 | 16 |
6 | 7 | 7 | 8 | 7 | 7 | 6 | 4 | 5 | 6 | 6 | 7 | 6 | 8 | 9 | 9 | 9 | 8 | 9 | 12 | 14 | 14 | 14 | 15 | |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 10 | SW 6 | SW 8 | WSW 6 | WSW 7 | — | — | SW 8 | SW 8 |
 kJ | 42 | 61 | — | — | — | — | — | — | — | — | — | — | — | — | — | 20 | 58 | 18 | 35 | 41 | — | — | 57 | 70 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 12 | WSW 10 | WSW 11 | W 11 | — | — | — | — | W 15 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 27 | 20 | 13 | 10 | — | — | — | — | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 3 | SSE 3 | SW 7 | SW 7 | SW 7 | SW 6 | SW 7 | SW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 6 | WSW 6 | SW 6 | SW 6 | SW 6 | S 3 | SW 5 | SW 6 | SW 6 | SW 7 | SW 7 | WSW 4 | — |
| kJ | 5 | 8 | 122 | 160 | 174 | 137 | 206 | 375 | 541 | 404 | 378 | 184 | 154 | 147 | 108 | 89 | 1 | 40 | 72 | 76 | 61 | 57 | 7 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 329 | 329 | 308 | 358 | 344 | 344 | 284 | 285 | 285 | 279 | 279 | 310 | 310 | 291 | 263 | 61 | 61 | 207 | 207 | 151 | 137 | 142 | 61 | 0 |
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