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Surf Forecasts:
Harlech surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 6 pm Thursday 28 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
14.1° C
(Which is 2.6°C warmer than normal for this time of year)How big are the waves at Harlech today (29 May):
- Morning surf: Morning surf (29 May, local time) - 2.5ft (0.7m), 5s period with SW swell.
- Afternoon surf: Afternoon surf (29 May, local time) - 2ft (0.6m), 5s period with WSW swell.
- Evening surf: Evening surf (29 May, local time) - 2ft (0.6m), 5s period with WSW swell.
The current surf forecast for Harlech at 1AM is: 0.7m 5s primary swell from a Southwest direction and 0.1m 16s secondary swell from a West direction (forecast issued at 06:00pm May 28). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 May) | 2.5ft (0.7m) | 5s |
| Afternoon (29 May) | 2ft (0.6m) | 5s |
| Evening (29 May) | 2ft (0.6m) | 5s |
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 Thu afternoon, min 11°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 28 | Friday 29 | Saturday 30 | Sun 31 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 16 | SW 4 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | SW 4 | WSW 9 | WSW 10 | WSW 9 | WSW 9 | WSW 13 | WSW 12 | SW 5 | WSW 12 | WSW 12 | WSW 12 | |
5 | 11 | 14 | 21 | 28 | 23 | 19 | 19 | 15 | 16 | 17 | 17 | 15 | 10 | 9 | 9 | 8 | 7 | 16 | 29 | 33 | 55 | 53 | 169 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | |
High Tide | 7:17PM3.70m | 7:34AM3.79m | 7:55PM3.86m | 8:13AM3.86m | 8:31PM3.98m | 8:50AM3.90m | ||||||||||||||||||
Low Tide | 2:02PM0.81m | 2:22AM0.88m | 2:40PM0.80m | 3:00AM0.81m | 3:13PM0.80m | 3:35AM0.75m | ||||||||||||||||||
 |  |  |  | | | | |  | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 4:58 | — | — | — |
 | — | 9:24 | — | — | — | — | — | — | — | 9:27 | — | — | — | — | — | — | — | 9:28 | — | — | — | — | — | 9:29 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 12 | 11 | 11 | 11 | 14 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 |
18 | 11 | 10 | 10 | 11 | 11 | 10 | 12 | 12 | 12 | 10 | 9 | 9 | 9 | 12 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | |
Swell 1 Height (m) Direction Period (s) | W 16 | — | W 16 | W 16 | W 16 | W 15 | W 15 | W 14 | SW 14 | W 12 | WSW 5 | WSW 5 | WSW 5 | SW 4 | SW 4 | SW 4 | WSW 9 | SW 4 | SW 4 | WSW 12 | — | WSW 12 | WSW 12 | — |
 kJ | 5 | — | 5 | 5 | 5 | 5 | 4 | 4 | 8 | 3 | 17 | 17 | 15 | 10 | 7 | 4 | 7 | 4 | 6 | 29 | — | 55 | 53 | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 15 | SW 11 | WSW 11 | WSW 11 | WSW 9 | WSW 9 | WSW 10 | SW 14 | WSW 9 | WSW 13 | WSW 9 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 4 | 5 | 11 | 11 | 9 | 9 | 9 | 8 | 7 | 16 | 8 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 16 | W 15 | W 16 | W 16 | W 16 | W 16 | SW 15 | W 14 | SW 14 | WSW 9 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 5 | 5 | 5 | 5 | 5 | 5 | 9 | 4 | 7 | 8 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 3 | SW 4 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | WSW 5 | WSW 5 | — | — | — | — | — | — | SW 4 | — | — | SW 4 | SW 5 | SW 5 | WSW 5 | WSW 12 |
| kJ | 2 | 11 | 14 | 21 | 28 | 23 | 19 | 19 | 15 | 16 | — | — | — | — | — | — | 4 | — | — | 9 | 33 | 23 | 19 | 169 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 501 | 308 | 293 | 294 | 308 | 308 | 308 | 307 | 263 | 143 | 142 | 131 | 131 | 125 | 137 | 263 | 143 | 245 | 80 | 61 | 43 | 131 | 279 | 279 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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