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Surf Forecasts:
Harlech surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 6 am Saturday 23 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
12.9° 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 12PM is: 0.4m 10s primary swell from a Southwest direction and 0.4m 4s secondary swell from a Southwest direction (forecast issued at 06:00am May 23). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 1.5ft (0.4m) | 10s |
| Afternoon (23 May) | 1.5ft (0.4m) | 10s |
| Evening (23 May) | 1.5ft (0.4m) | 9s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Mon afternoon, min 11°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 23 | Sunday 24 | Monday 25 | Tue 26 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 10 | WSW 10 | WSW 10 | SW 10 | SW 10 | SW 9 | SW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | W 13 | W 13 | W 13 | |
38 | 38 | 38 | 24 | 23 | 22 | 21 | 16 | 8 | 8 | 8 | 7 | 18 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 3 | 3 | 3 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross | cross-on | glassy | glassy | glassy | off | off | off | glassy | glassy | glassy | glassy | glassy | off | |
High Tide | 2:15PM3.15m | 2:44AM3.56m | 3:34PM3.03m | 4:01AM3.46m | 4:49PM3.11m | |||||||||||||||||||
Low Tide | 9:16AM0.80m | 9:31PM1.20m | 10:22AM0.88m | 10:38PM1.24m | 11:27AM0.90m | 11:46PM1.19m | ||||||||||||||||||
 |  | | | |  | |  | | |  | | | | | | | | | | | | | | |
 | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — | 5:03 |
 | — | — | — | — | — | 9:17 | — | — | — | — | — | — | — | 9:20 | — | — | — | — | — | — | — | 9:21 | — | 9:22 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 12 | 13 | 14 | 14 | 13 | 12 | 11 | 11 | 11 | 14 | 16 | 18 | 18 | 18 | 18 | 18 | 19 | 22 | 24 | 25 | 24 | 23 | 22 |
12 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 9 | 9 | 12 | 14 | 16 | 17 | 16 | 16 | 16 | 18 | 23 | 25 | 26 | 26 | 24 | 23 | |
Swell 1 Height (m) Direction Period (s) | WSW 10 | WSW 10 | WSW 10 | SW 10 | SW 10 | SW 9 | WSW 4 | WSW 4 | SW 4 | SW 4 | WSW 9 | WSW 9 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SW 8 | SW 7 | SW 7 |
 kJ | 38 | 38 | 38 | 24 | 23 | 22 | 7 | 7 | 4 | 4 | 8 | 7 | 18 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 2 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | — | WSW 4 | — | — | — | WSW 3 | SW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 4 | WSW 4 | W 14 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 |
| kJ | — | 2 | — | — | — | 2 | 21 | 16 | 8 | 8 | 1 | 1 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 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 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 5 | 4 | 3 | 3 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 80 | 26 | 137 | 26 | 137 | 137 | 26 | 125 | 125 | 125 | 131 | 130 | 130 | 130 | 130 | 130 | 130 | 130 | 130 | 185 | 130 | 130 | 130 | 131 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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