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Surf Forecasts:
Harlech surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 11 am Monday 08 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
9.0° C
(Which is 1.7°C colder than average for this time of year)How big are the waves at Harlech today?
The current surf forecast for Harlech at 4PM is: 1.4m 11s primary swell from a Southwest direction and 0.4m 19s secondary swell from a West-southwest direction (forecast issued at 11:00am December 08). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Dec) | 5.5ft (1.7m) | 11s |
| Afternoon (08 Dec) | 4.5ft (1.4m) | 11s |
| Evening (08 Dec) | 4ft (1.2m) | 11s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 6 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 674 | 467 | 431 | 447 | 354 | 204 | 220 | 625 | 1298 | 1870 | 1944 | 1857 | 1520 | 1380 | 1147 | 1112 | 843 | 816 | 680 | 483 | 521 | 439 | 120 | 128 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross- on | cross | cross- off | cross- off | cross- off | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- off |
High Tide / height (m) | 9:59AM 4.56 | 10:27PM 3.98 | 10:48AM 4.32 | 11:17PM 3.64 | 11:39AM 4.01 | 12:11AM 3.31 | ||||||||||||||||||
Low Tide / height (m) | 5:27PM 0.32 | 5:38AM 0.74 | 6:20PM 0.52 | 6:28AM 0.94 | 7:14PM 0.73 | |||||||||||||||||||
Monday 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | |||||||||||||||||||||
| Sunrise | 8:14 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:17 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - |
 | | |  | | |  |  | | | |  | |  | | |  |  | | | |  | |  | |
Rain (mm) | 1 | 1 | 2 | 2 | 2 | 1 | 11 | 9 | 4 | 4 | 1 | - | - | 1 | 1 | 1 | 2 | - | - | - | - | - | - | - |
| Temp. °C | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 13 | 14 | 14 | 12 | 11 | 11 | 11 | 10 | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 8 | 8 |
| Feels °C (?) | 6 | 7 | 6 | 7 | 8 | 8 | 7 | 5 | 6 | 5 | 3 | 3 | 4 | 4 | 4 | 5 | 4 | 4 | 5 | 5 | 5 | 5 | 4 | 4 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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