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Surf Forecasts:
Harlech surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 pm Friday 17 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
10.2° 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 4PM is: 1.4m 5s primary swell from a Southwest direction (forecast issued at 12:00pm April 17). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Apr) | 4.5ft (1.3m) | 8s |
| Afternoon (17 Apr) | 4.5ft (1.4m) | 5s |
| Evening (17 Apr) | 4.5ft (1.4m) | 6s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
| 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 | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 5 | 6 | 6 | 6 | 6 | 5 | 5 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 6 | 16 | 9 | 9 | 9 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 210 | 227 | 111 | 133 | 152 | 149 | 130 | 62 | 46 | 40 | 25 | 25 | 38 | 38 | 24 | 24 | 23 | 4 | 5 | 7 | 7 | 3 | 2 | 2 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | on | cross- on | glass | cross- off | cross- off | glass | cross- on | cross- on | cross- off | cross- off | off | off | off |
High Tide / height (m) | 8:37AM 4.69 | 9:00PM 4.58 | 9:18AM 4.84 | 9:40PM 4.71 | 10:00AM 4.83 | 10:21PM 4.70 | ||||||||||||||||||
Low Tide / height (m) | 3:41PM 0.05 | 3:55AM 0.18 | 4:20PM 0.07 | 4:36AM 0.16 | 5:01PM 0.22 | 5:20AM 0.24 | ||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 |
| Sunset | - | - | - | 8:17 | - | - | - | - | - | - | - | 8:20 | - | - | - | - | - | - | - | 8:22 | - | - | - | - |
 |  |  | |  |  | |  | | | | |  | | | |  | | | | | | | | |
Rain (mm) | 3 | 1 | - | - | - | 1 | 1 | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 11 | 11 | 10 | 9 | 9 | 8 | 8 | 8 | 9 | 11 | 10 | 8 | 8 | 7 | 6 | 9 | 10 | 11 | 10 | 7 | 6 | 6 | 6 |
| Feels °C (?) | 6 | 5 | 4 | 4 | 2 | 3 | 3 | 3 | 4 | 4 | 5 | 7 | 5 | 6 | 4 | 3 | 7 | 6 | 6 | 5 | 3 | 2 | 2 | 2 |
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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
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