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Surf Forecasts:
Harlech surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 pm Wednesday 27 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 (27 May):
- Morning surf: Morning surf (27 May, local time) - 0.5ft (0.1m), 7s period with W swell.
- Afternoon surf: Afternoon surf (27 May, local time) - 0.5ft (0.1m), 7s period with W swell.
- Evening surf: Evening surf (27 May, local time) - 0.5ft (0.1m), 18s period with W swell.
The current surf forecast for Harlech at 6PM is: 0.1m 18s primary swell from a West direction and 0.1m 7s secondary swell from a West direction (forecast issued at 12:00pm May 27). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | 0.5ft (0.1m) | 7s |
| Afternoon (27 May) | 0.5ft (0.1m) | 7s |
| Evening (27 May) | 0.5ft (0.1m) | 18s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Wed night. Warm (max 24°C on Wed afternoon, min 11°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
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 | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 7 | W 7 | W 7 | W 18 | W 18 | W 6 | ESE 3 | ESE 3 | SSE 2 | W 16 | W 16 | SW 3 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | WSW 5 | SW 5 | SW 5 | |
1 | 1 | 1 | 6 | 6 | 1 | 0 | 0 | 0 | 5 | 5 | 7 | 30 | 22 | 21 | 26 | 28 | 25 | 27 | 22 | 23 | 18 | 12 | 11 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | off | cross-off | off | off | off | off | cross-off | cross-on | cross | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | |
High Tide | 6:35PM3.50m | 6:52AM3.69m | 7:17PM3.70m | 7:34AM3.79m | 7:55PM3.86m | |||||||||||||||||||
Low Tide | 1:19PM0.83m | 1:39AM0.98m | 2:02PM0.81m | 2:22AM0.88m | 2:40PM0.80m | 3:00AM0.81m | ||||||||||||||||||
 | | |  |  |  |  | | |  |  | | |  | | | | | | | | | | | |
 | 5:03 | — | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:00 | — |
 | — | — | — | 9:23 | — | — | — | — | — | — | — | 9:24 | — | — | — | — | — | — | — | 9:27 | — | — | — | 9:28 |
— | — | — | 1 | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 22 | 24 | 24 | 21 | 18 | 15 | 15 | 19 | 20 | 19 | 18 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 12 | 12 | 11 | 12 |
20 | 21 | 24 | 24 | 21 | 16 | 12 | 13 | 19 | 20 | 19 | 16 | 10 | 10 | 10 | 10 | 10 | 11 | 12 | 13 | 11 | 11 | 9 | 11 | |
Swell 1 Height (m) Direction Period (s) | NW 5 | NW 4 | NW 4 | — | — | W 6 | — | — | — | W 16 | W 16 | — | W 16 | W 16 | W 16 | W 15 | W 15 | W 14 | SW 14 | W 12 | SW 5 | WSW 5 | SW 5 | SW 5 |
 kJ | 1 | 1 | 1 | — | — | 1 | — | — | — | 5 | 5 | — | 5 | 5 | 5 | 4 | 4 | 4 | 8 | 3 | 23 | 18 | 12 | 11 |
Swell 2 Height (m) Direction Period (s) | W 7 | W 7 | W 7 | W 7 | W 7 | — | — | — | — | W 16 | W 6 | — | — | — | — | — | — | — | — | W 15 | SW 12 | WSW 11 | WSW 11 | WSW 9 |
| kJ | 1 | 1 | 1 | 1 | 1 | — | — | — | — | 5 | 1 | — | — | — | — | — | — | — | — | 4 | 5 | 11 | 11 | 9 |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 18 | W 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 15 | W 16 | W 16 | SW 16 |
| kJ | — | — | — | 6 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 5 | 10 |
Wind waves Height (m) Direction Period (s) | ESE 3 | ESE 2 | — | — | ESE 2 | ESE 3 | ESE 3 | ESE 3 | SSE 2 | — | SW 3 | SW 3 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | — | — | — | — |
| kJ | 1 | 1 | — | — | 1 | 1 | 1 | 1 | 1 | — | 1 | 7 | 30 | 22 | 21 | 26 | 28 | 25 | 27 | 22 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 140 | 306 | 140 | 189 | 191 | 191 | 191 | 221 | 291 | 390 | 308 | 501 | 291 | 298 | 281 | 308 | 308 | 403 | 263 | 263 | 137 | 131 | 125 | 125 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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