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Surf Forecasts:
Harlech surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 6 pm 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
14.5° C
(Which is 2.8°C warmer than normal for this time of year)How big are the waves at Harlech today (30 May):
- 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 9PM is: 0.2m 13s primary swell from a West-southwest direction and 0.2m 8s secondary swell from a West-southwest direction, 0.4m 4s secondary swell from a Southwest direction (forecast issued at 06:00pm May 30). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | - | - |
| 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 ForecastHeavy rain (total 36mm), heaviest during Mon night. Very mild (max 15°C on Sat afternoon, min 12°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 30 | Sunday 31 | Monday 1 | Tue 2 | |||||||||||||||||||||
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 | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 9 | WSW 9 | WSW 13 | WSW 12 | SW 5 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | SW 5 | WSW 11 | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 7 | |
8 | 7 | 16 | 29 | 32 | 47 | 54 | 119 | 50 | 82 | 48 | 48 | 40 | 27 | 23 | 38 | 32 | 43 | 46 | 43 | 32 | 40 | 34 | 45 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | on | |
High Tide | 8:31PM3.98m | 8:50AM3.90m | 9:07PM4.04m | 9:26AM3.89m | 9:42PM4.05m | 10:01AM3.82m | ||||||||||||||||||
Low Tide | 3:13PM0.80m | 3:35AM0.75m | 3:46PM0.82m | 4:10AM0.74m | 4:19PM0.85m | 4:46AM0.76m | ||||||||||||||||||
 | |  |  | |  | | |  | | |  | |  | | |  | |  | | | | |  | |
 | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:56 | — | — | — |
 | — | 9:28 | — | — | — | — | — | — | — | 9:29 | — | — | — | — | — | — | — | 9:30 | — | — | — | — | — | 9:30 |
— | — | — | 1 | 1 | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 11 | 2 | 13 | 2 | 1 | — | — | 1 | |
Temp °C | 15 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 12 | 12 | 13 | 14 | 14 | 15 | 14 | 14 | 13 | 13 | 13 | 14 |
13 | 12 | 11 | 10 | 11 | 12 | 11 | 10 | 12 | 12 | 11 | 11 | 10 | 9 | 10 | 11 | 11 | 13 | 12 | 12 | 11 | 11 | 12 | 12 | |
Swell 1 Height (m) Direction Period (s) | SW 4 | WSW 9 | WSW 13 | WSW 12 | — | SW 5 | WSW 5 | WSW 12 | WSW 6 | — | WSW 11 | WSW 11 | WSW 11 | SW 5 | WSW 5 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | SW 6 | SW 6 | W 10 | SW 6 | SW 6 |
 kJ | 4 | 7 | 16 | 29 | — | 23 | 16 | 119 | 13 | — | 48 | 48 | 23 | 27 | 18 | 11 | 11 | 10 | 10 | 43 | 32 | 2 | 34 | 43 |
Swell 2 Height (m) Direction Period (s) | WSW 9 | SW 14 | WSW 8 | WSW 9 | — | WSW 12 | WSW 12 | — | WSW 11 | — | — | — | WSW 11 | WSW 11 | WSW 11 | W 14 | W 14 | W 14 | W 14 | SW 10 | SW 10 | W 13 | W 13 | W 13 |
| kJ | 7 | 7 | 6 | 8 | — | 47 | 54 | — | 50 | — | — | — | 40 | 23 | 23 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | SW 14 | — | W 9 | — | — | — | — | — | — | — | — | — | — | — | — | W 15 | W 14 | — | W 14 | W 14 | W 14 | W 13 | — | — |
| kJ | 8 | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | — | 4 | 4 | 4 | 3 | — | — |
Wind waves Height (m) Direction Period (s) | — | SW 4 | SW 4 | SW 4 | SW 5 | WSW 5 | WSW 5 | — | — | WSW 11 | SW 4 | SW 5 | SW 5 | — | SSE 3 | SW 5 | SW 5 | SW 6 | SW 6 | — | — | SW 6 | SW 4 | WSW 7 |
| kJ | — | 4 | 4 | 12 | 32 | 26 | 21 | — | — | 82 | 15 | 28 | 32 | — | 3 | 38 | 32 | 43 | 46 | — | — | 40 | 8 | 45 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 26 | 207 | 131 | 61 | 131 | 288 | 26 | 26 | 289 | 283 | 61 | 61 | 26 | 181 | 151 | 207 | 181 | 181 | 151 | 263 | 227 | 26 | 26 | 26 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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