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Surf Forecasts:
Harlech surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 am 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
12.6° 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 3AM is: 0.5m 9s primary swell from a Southwest direction and 0.1m 15s secondary swell from a West direction, 0.4m 4s secondary swell from a South-southwest direction (forecast issued at 12:00am May 22). The wind direction is predicted to be cross-offshore.
| 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) | 2.5ft (0.7m) | 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 19°C on Sun afternoon, min 12°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 22 | Saturday 23 | Sunday 24 | ||||||||||||||||||||||
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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SW 9 | WSW 9 | SW 9 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | SW 9 | SW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | |
61 | 33 | 87 | 110 | 104 | 110 | 110 | 106 | 39 | 38 | 65 | 38 | 37 | 36 | 33 | 32 | 21 | 20 | 8 | 8 | 15 | 7 | 7 | 7 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross-on | cross | cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | glassy | glassy | |
High Tide | 00:33AM4.08m | 1:07PM3.44m | 1:33AM3.78m | 2:15PM3.15m | 2:44AM3.56m | 3:34PM3.03m | ||||||||||||||||||
Low Tide | 8:12AM0.66m | 8:27PM1.08m | 9:16AM0.80m | 9:31PM1.20m | 10:22AM0.88m | |||||||||||||||||||
 | |  | |  | | |  | | | | |  | | |  | | | | | | | | | |
 | — | 5:09 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:16 | — | — | — | — | — | — | — | 9:17 | — | — | — | — | — | — | — | 9:20 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 15 | 15 | 16 | 17 | 17 | 16 | 13 | 13 | 13 | 12 | 13 | 14 | 15 | 14 | 12 | 12 | 12 | 13 | 16 | 18 | 19 | 19 | 18 |
14 | 13 | 14 | 14 | 16 | 16 | 15 | 12 | 11 | 12 | 11 | 11 | 13 | 14 | 13 | 11 | 11 | 11 | 12 | 15 | 16 | 17 | 18 | 17 | |
Swell 1 Height (m) Direction Period (s) | SW 9 | WSW 9 | SW 9 | SW 10 | SW 10 | SW 10 | WSW 10 | SW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | SW 9 | SW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 |
 kJ | 61 | 33 | 87 | 110 | 104 | 110 | 63 | 106 | 39 | 38 | 65 | 38 | 37 | 36 | 33 | 32 | 21 | 20 | 8 | 8 | 15 | 7 | 7 | 7 |
Swell 2 Height (m) Direction Period (s) | W 15 | — | — | — | — | — | — | — | — | WSW 4 | — | — | — | — | — | W 14 | W 14 | WSW 4 | WSW 4 | WSW 3 | W 14 | W 14 | W 13 | W 13 |
| kJ | 4 | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | 4 | 4 | 1 | 1 | 1 | 4 | 4 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 14 | W 14 | W 14 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | 4 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SSW 4 | — | — | — | — | SW 10 | SW 4 | SW 4 | SW 4 | — | SW 4 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 5 | — | — | — | — | 110 | 4 | 6 | 4 | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 80 | 26 | 0 | 137 | 26 | 26 | 80 | 80 | 26 | 26 | 80 | 137 | 26 | 26 | 137 | 125 | 125 | 125 | 125 | 130 | 130 | 131 | 130 | 130 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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