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Surf Forecasts:
Harlech surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 6 am Saturday 18 Apr 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
10.0° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Harlech today?
The current surf forecast for Harlech at 3PM is: 0.7m 10s primary swell from a West-southwest direction and 0.4m 4s secondary swell from a Northwest direction (forecast issued at 06:00am April 18). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 1.5ft (0.5m) | 11s |
| Afternoon (18 Apr) | 2.5ft (0.7m) | 10s |
| Evening (18 Apr) | 1.5ft (0.4m) | 10s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | Tue 21 | |||||||||||||||||||||
| 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 | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 11 | 5 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 16 | 9 | 9 | 9 | 7 | 7 | 6 | 15 | 15 | 15 | 15 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 107 | 256 | 42 | 118 | 88 | 65 | 38 | 38 | 24 | 24 | 9 | 8 | 5 | 3 | 7 | 7 | 2 | 2 | 2 | 4 | 4 | 4 | 4 | 4 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | on | on | glass | glass | cross- off | cross- off | glass | cross- on | cross- on | cross | off | off | off | off | off | glass | off | off | off | off |
High Tide / height (m) | 9:18AM 4.84 | 9:40PM 4.71 | 10:00AM 4.83 | 10:21PM 4.70 | 10:44AM 4.65 | 11:04PM 4.55 | ||||||||||||||||||
Low Tide / height (m) | 4:20PM 0.07 | 4:36AM 0.16 | 5:01PM 0.22 | 5:20AM 0.24 | 5:44PM 0.46 | |||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tue 21 | |||||||||||||||||||||
| Sunrise | - | 6:11 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | 8:20 | - | - | - | - | - | - | - | 8:22 | - | - | - | - | - | - | - | 8:22 | - | - |
 |  |  | |  | |  | | | | | | | | |  | | | | | | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 8 | 8 | 8 | 9 | 11 | 10 | 9 | 8 | 7 | 6 | 9 | 11 | 11 | 11 | 8 | 7 | 7 | 6 | 9 | 12 | 12 | 11 | 9 | 8 |
| Feels °C (?) | 4 | 4 | 4 | 4 | 7 | 7 | 7 | 6 | 5 | 3 | 7 | 7 | 7 | 7 | 4 | 2 | 3 | 2 | 6 | 10 | 8 | 8 | 5 | 4 |
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Live Wave Height (m)
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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.
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