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Surf Forecasts:
Harlech surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 5 am Sunday 07 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 9AM is: 0.8m 10s primary swell from a West-southwest direction (forecast issued at 05:00am December 07). An open ocean swell of 0.4m 2s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Dec) | 2.5ft (0.8m) | 10s |
| Afternoon (07 Dec) | 5.5ft (1.7m) | 7s |
| Evening (07 Dec) | 4.5ft (1.4m) | 10s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 07 | Monday 08 | Tuesday 09 | Wed 10 | |||||||||||||||||||||
| 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) (?) | 10 | 10 | 10 | 10 | 7 | 7 | 10 | 6 | 7 | 8 | 11 | 11 | 11 | 11 | 17 | 11 | 11 | 10 | 7 | 11 | 12 | 12 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 298 | 229 | 135 | 104 | 255 | 263 | 378 | 245 | 261 | 458 | 664 | 515 | 431 | 715 | 235 | 258 | 249 | 146 | 459 | 1432 | 1849 | 1801 | 1651 | 1573 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | off | cross | cross | cross | cross | cross- on | glass | cross- on |
High Tide / height (m) | 9:12AM 4.70 | 9:39PM 4.29 | 9:59AM 4.56 | 10:27PM 3.98 | 10:48AM 4.32 | 11:17PM 3.64 | ||||||||||||||||||
Low Tide / height (m) | 4:35PM 0.19 | 4:50AM 0.56 | 5:27PM 0.32 | 5:38AM 0.74 | 6:20PM 0.52 | |||||||||||||||||||
Sunday 07 | Monday 08 | Tuesday 09 | Wed 10 | |||||||||||||||||||||
| Sunrise | - | - | 8:12 | - | - | - | - | - | - | - | 8:14 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - |
 |  |  |  |  | |  |  | | |  | | | | | | |  | | | | | | | |
Rain (mm) | - | - | - | 6 | 4 | - | 1 | 2 | 3 | 2 | 1 | 1 | 2 | 3 | 2 | - | 3 | 17 | 9 | 3 | 1 | 3 | 5 | 4 |
| Temp. °C | 10 | 10 | 10 | 11 | 13 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 9 | 10 | 10 | 13 | 13 | 14 | 14 | 12 | 11 | 10 |
| Feels °C (?) | 7 | 7 | 7 | 7 | 8 | 5 | 6 | 4 | 3 | 4 | 4 | 6 | 5 | 7 | 6 | 7 | 6 | 5 | 5 | 6 | 6 | 9 | 10 | 7 |
- 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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