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Surf Forecasts:
Harlech surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 5 am Sunday 14 Dec 2025 GMTForecast 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
9.3° C
(Which is 1.0°C colder than average for this time of year)How big are the waves at Harlech today?
The current surf forecast for Harlech at 10AM is: 2.1m 9s primary swell from a Southwest direction (forecast issued at 05:00am December 14). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 7ft (2.1m) | 9s |
| Afternoon (14 Dec) | 7.5ft (2.3m) | 9s |
| Evening (14 Dec) | 7.5ft (2.3m) | 10s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 660 | 727 | 690 | 734 | 891 | 968 | 988 | 988 | 924 | 490 | 239 | 127 | 98 | 63 | 59 | 41 | 31 | 19 | 25 | 24 | 21 | 20 | 20 | 22 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | glass | glass | cross- off |
High Tide / height (m) | 3:42AM 2.99 | 4:04PM 3.26 | 4:42AM 3.14 | 5:01PM 3.32 | 5:30AM 3.34 | 5:48PM 3.44 | ||||||||||||||||||
Low Tide / height (m) | 10:26AM 1.39 | 11:08PM 1.16 | 11:31AM 1.32 | 12:02AM 1.12 | 12:26PM 1.19 | |||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| Sunrise | - | - | 8:21 | - | - | - | - | - | - | - | 8:22 | - | - | - | - | - | - | - | 8:22 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - |
 |  |  | | |  | | | | | | | | | | | | |  | |  |  | | | |
Rain (mm) | - | 2 | 4 | 1 | 5 | 11 | 13 | 13 | 12 | 11 | 3 | 1 | 1 | 3 | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 7 | 6 | 6 |
| Feels °C (?) | 2 | 3 | 2 | 2 | 2 | 3 | 3 | 4 | 6 | 8 | 9 | 7 | 6 | 4 | 4 | 4 | 5 | 4 | 4 | 5 | 5 | 5 | 4 | 3 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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