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Surf Forecasts:
Harlech surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 pm Friday 22 May 2026 BSTForecast 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
12.8° C
(Which is 1.7°C warmer than normal for this time of year)How big are the waves at Harlech today?
The current surf forecast for Harlech at 5PM is: 0.6m 10s primary swell from a Southwest direction (forecast issued at 12:00pm May 22). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 2.5ft (0.8m) | 10s |
| Afternoon (22 May) | 2.5ft (0.7m) | 10s |
| Evening (22 May) | 1.5ft (0.4m) | 10s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Sun afternoon, min 11°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 22 | Saturday 23 | Sunday 24 | Mon 25 | |||||||||||||||||||||
10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 10 | SW 10 | SW 10 | SW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | SW 10 | WSW 10 | WSW 9 | WSW 9 | SW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | |
110 | 104 | 87 | 110 | 41 | 39 | 38 | 38 | 38 | 46 | 36 | 33 | 32 | 21 | 16 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross | cross-on | cross | cross | cross-on | cross-on | cross | cross-on | cross-on | cross | cross-off | cross-off | cross-off | glassy | cross | cross-on | glassy | glassy | glassy | off | off | off | |
High Tide | 1:07PM3.44m | 1:33AM3.78m | 2:15PM3.15m | 2:44AM3.56m | 3:34PM3.03m | 4:01AM3.46m | ||||||||||||||||||
Low Tide | 8:12AM0.66m | 8:27PM1.08m | 9:16AM0.80m | 9:31PM1.20m | 10:22AM0.88m | 10:38PM1.24m | ||||||||||||||||||
 | |  | |  |  | | | |  | | | | |  | | | | | | | | | | |
 | 5:09 | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:05 | — |
 | — | — | — | 9:16 | — | — | — | — | — | — | — | 9:17 | — | — | — | — | — | — | — | 9:20 | — | — | — | 9:21 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 16 | 17 | 15 | 13 | 13 | 13 | 13 | 13 | 15 | 15 | 13 | 12 | 11 | 11 | 12 | 15 | 17 | 18 | 18 | 18 | 18 | 18 | 18 |
13 | 15 | 17 | 14 | 12 | 11 | 12 | 12 | 11 | 14 | 13 | 12 | 11 | 9 | 9 | 11 | 13 | 15 | 16 | 17 | 16 | 16 | 16 | 16 | |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | SW 10 | WSW 10 | WSW 9 | WSW 9 | SW 4 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 |
 kJ | 110 | 104 | 87 | 63 | 41 | 39 | 38 | 38 | 38 | 46 | 36 | 33 | 32 | 4 | 16 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 6 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 4 | WSW 4 | — | — | — | — | W 14 | SW 9 | WSW 4 | WSW 4 | WSW 4 | WSW 3 | — | W 13 | W 13 | W 13 | W 13 | W 13 |
| kJ | — | — | — | — | — | — | 4 | 3 | — | — | — | — | 4 | 21 | 3 | 1 | 1 | 1 | — | 3 | 3 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 14 | W 14 | W 14 | W 14 | W 14 | W 14 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | 4 | 4 | 4 | 4 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SW 10 | SW 4 | SW 4 | — | SW 4 | SW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 110 | 9 | 9 | — | 5 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 137 | 26 | 26 | 144 | 80 | 61 | 26 | 26 | 138 | 26 | 26 | 26 | 130 | 130 | 125 | 125 | 130 | 130 | 131 | 130 | 130 | 130 | 130 | 130 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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