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Surf Forecasts:
Harlech surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 am Saturday 30 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
14.6° C
(Which is 3.0°C warmer than normal for this time of year)How big are the waves at Harlech today (30 May):
- Morning surf: Morning surf (30 May, local time) - 0.5ft (0.2m), 9s period with WSW swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 0.5ft (0.2m), 9s period with WSW swell.
- Evening surf: Evening surf (30 May, local time) - 0.5ft (0.2m), 13s period with WSW swell.
The current surf forecast for Harlech at 8AM is: 0.5m 4s primary swell from a Southwest direction and 0.2m 9s secondary swell from a West-southwest direction (forecast issued at 12:00am May 30). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 0.5ft (0.2m) | 9s |
| Afternoon (30 May) | 0.5ft (0.2m) | 9s |
| Evening (30 May) | 0.5ft (0.2m) | 13s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 15mm), heaviest on Mon afternoon. Very mild (max 15°C on Sat morning, min 11°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 30 | Sunday 31 | Monday 1 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
WSW 5 | WSW 5 | SW 5 | WSW 9 | WSW 10 | WSW 9 | WSW 9 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | SW 11 | WSW 11 | SW 5 | WSW 11 | WSW 5 | SW 5 | SW 5 | SW 6 | |
17 | 15 | 10 | 10 | 9 | 8 | 7 | 16 | 29 | 28 | 47 | 54 | 119 | 98 | 109 | 48 | 31 | 40 | 27 | 23 | 15 | 19 | 27 | 31 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross | cross | cross | cross-off | cross | |
High Tide | 8:13AM3.86m | 8:31PM3.98m | 8:50AM3.90m | 9:07PM4.04m | 9:26AM3.89m | 9:42PM4.05m | ||||||||||||||||||
Low Tide | 3:00AM0.81m | 3:13PM0.80m | 3:35AM0.75m | 3:46PM0.82m | 4:10AM0.74m | 4:19PM0.85m | ||||||||||||||||||
 |  |  | |  | | |  | |  | |  | |  | | | |  | | | | | |  | |
 | — | 5:00 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:28 | — | — | — | — | — | — | — | 9:29 | — | — | — | — | — | — | — | 9:30 | — |
— | — | — | — | — | — | — | 1 | 1 | 1 | — | 1 | — | — | — | — | — | — | 1 | 2 | 2 | 2 | 4 | 6 | |
Temp °C | 11 | 11 | 12 | 13 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 13 | 14 | 14 | 15 | 14 |
9 | 9 | 11 | 11 | 13 | 12 | 12 | 12 | 11 | 11 | 12 | 11 | 12 | 12 | 12 | 11 | 11 | 10 | 9 | 10 | 12 | 13 | 15 | 12 | |
Swell 1 Height (m) Direction Period (s) | WSW 5 | WSW 5 | SW 5 | SW 4 | WSW 10 | SW 4 | WSW 9 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 5 | WSW 12 | WSW 11 | — | WSW 11 | SW 11 | WSW 11 | SW 5 | WSW 11 | WSW 5 | SW 5 | WSW 10 | WSW 10 |
 kJ | 17 | 15 | 10 | 5 | 9 | 4 | 7 | 16 | 29 | 28 | 47 | 15 | 119 | 85 | — | 48 | 31 | 23 | 27 | 23 | 15 | 19 | 10 | 10 |
Swell 2 Height (m) Direction Period (s) | WSW 11 | WSW 11 | WSW 9 | WSW 9 | SW 15 | WSW 9 | SW 14 | WSW 8 | WSW 9 | — | — | WSW 12 | — | — | — | — | — | WSW 11 | WSW 11 | — | WSW 11 | WSW 10 | W 14 | W 14 |
| kJ | 11 | 11 | 9 | 9 | 9 | 7 | 7 | 6 | 8 | — | — | 54 | — | — | — | — | — | 40 | 23 | — | 11 | 11 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | W 16 | W 16 | W 16 | SW 16 | W 15 | SW 14 | — | W 9 | — | — | — | — | — | — | — | — | — | — | — | — | W 14 | W 14 | W 15 | W 14 |
| kJ | 5 | 5 | 5 | 10 | 4 | 8 | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SW 4 | — | SW 4 | SW 4 | SW 4 | SW 5 | WSW 5 | — | — | WSW 11 | WSW 11 | SW 4 | SW 5 | SW 5 | — | SW 5 | SSE 3 | SSE 3 | SW 5 | SW 6 |
| kJ | — | — | — | — | 4 | — | 4 | 5 | 16 | 23 | 15 | — | — | 98 | 109 | 15 | 22 | 24 | — | 19 | 3 | 3 | 27 | 31 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 131 | 125 | 80 | 137 | 263 | 26 | 207 | 131 | 61 | 61 | 26 | 26 | 279 | 289 | 288 | 61 | 61 | 26 | 181 | 150 | 181 | 137 | 306 | 181 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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