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Surf Forecasts:
Harlech surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 11 am Thursday 26 Mar 2026 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
9.5° 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 7PM is: 0.7m 4s primary swell from a West-southwest direction and 0.1m 4s secondary swell from a Northwest direction (forecast issued at 11:00am March 26). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Mar) | 1.5ft (0.5m) | 6s |
| Afternoon (26 Mar) | 0.5ft (0.2m) | 7s |
| Evening (26 Mar) | 2.5ft (0.8m) | 5s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | |||||||||||||||||||||
| 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) (?) | 6 | 6 | 7 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 4 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 4 | 4 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 19 | 16 | 5 | 10 | 27 | 33 | 34 | 58 | 70 | 53 | 33 | 18 | 46 | 80 | 95 | 130 | 156 | 156 | 154 | 84 | 44 | 30 | 15 | 22 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on |
High Tide / height (m) | 1:40PM 3.12 | 2:19AM 3.20 | 3:17PM 2.95 | 3:56AM 3.26 | 4:46PM 3.11 | 5:11AM 3.56 | ||||||||||||||||||
Low Tide / height (m) | 8:35AM 1.27 | 9:18PM 1.52 | 10:17AM 1.25 | 10:53PM 1.41 | 11:40AM 0.98 | 12:04AM 1.11 | ||||||||||||||||||
Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | |||||||||||||||||||||
| Sunrise | 6:05 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | 5:58 |
| Sunset | - | - | - | 6:38 | - | - | - | - | - | - | - | 6:40 | - | - | - | - | - | - | - | 6:43 | - | - | - | - |
 |  | | |  | |  | |  | | | |  | |  | |  | | | | | | | | |
Rain (mm) | - | - | - | - | 1 | 1 | - | 3 | 3 | 3 | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | - | - | - | - |
| Temp. °C | 6 | 7 | 7 | 7 | 7 | 8 | 9 | 9 | 9 | 8 | 9 | 8 | 6 | 6 | 5 | 4 | 6 | 6 | 7 | 7 | 6 | 6 | 6 | 6 |
| Feels °C (?) | 2 | 3 | 2 | 3 | 3 | 4 | 6 | 5 | 6 | 4 | 4 | 2 | -1 | -1 | -2 | -3 | -3 | -3 | -1 | 0 | 1 | 2 | 2 | 1 |
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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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