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Surf Forecasts:
Harlech surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 5 pm Monday 23 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 1.6°C warmer than normal for this time of year)How big are the waves at Harlech today?
The current surf forecast for Harlech at 9PM is: 0.8m 4s primary swell from a Southwest direction (forecast issued at 05:00pm March 23). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Mar) | - | - |
| Afternoon (23 Mar) | 1ft (0.3m) | 9s |
| Evening (23 Mar) | 2.5ft (0.8m) | 4s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | |||||||||||||||||||||
| 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 | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 3 | 4 | 5 | 6 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 7 | 6 | 5 | 4 | 4 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 13 | 7 | 26 | 80 | 104 | 116 | 147 | 263 | 505 | 903 | 720 | 692 | 551 | 604 | 526 | 428 | 286 | 242 | 100 | 111 | 74 | 29 | 13 | 7 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | 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 | cross- on | cross- on | cross- on | cross- on | cross- on | on |
High Tide / height (m) | 11:05PM 4.20 | 11:31AM 4.03 | 11:54PM 3.83 | 12:27PM 3.55 | 12:55AM 3.45 | |||||||||||||||||||
Low Tide / height (m) | 5:37PM 0.68 | 5:55AM 0.74 | 6:24PM 1.04 | 7:01AM 1.05 | 7:38PM 1.37 | 8:35AM 1.27 | ||||||||||||||||||
Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:05 | - |
| Sunset | - | 6:34 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - |
 | |  |  | | | | | |  |  |  | | | | | | | | |  | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - |
| Temp. °C | 9 | 9 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 7 | 7 | 5 | 4 | 5 | 6 | 6 | 6 | 5 | 5 | 4 | 5 | 6 | 7 |
| Feels °C (?) | 5 | 5 | 3 | 3 | 4 | 5 | 4 | 2 | 2 | -1 | -4 | -4 | -5 | -8 | -6 | -4 | -4 | -3 | -3 | 0 | -1 | 1 | 1 | 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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