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Surf Forecasts:
Harlech surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 pm Saturday 09 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
12.5° C
(Which is 2.2°C warmer than normal for this time of year)How big are the waves at Harlech today?
The current surf forecast for Harlech at 7PM is: 0.8m 5s primary swell from a North-northwest direction (forecast issued at 12:00pm May 09). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | - | - |
| Afternoon (09 May) | 2.5ft (0.7m) | 6s |
| Evening (09 May) | - | - |
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 14°C on Sat morning, min 6°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 9 | Sunday 10 | Monday 11 | Tue 12 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 6 | NW 6 | NW 6 | NW 5 | NNW 5 | NW 5 | NNW 4 | NNW 4 | N 4 | NNW 4 | NW 4 | NW 4 | NW 4 | NW 4 | NW 4 | NW 4 | NNW 4 | WNW 3 | W 9 | W 3 | |
0 | 24 | 34 | 31 | 0 | 18 | 5 | 5 | 0 | 1 | 10 | 14 | 8 | 3 | 3 | 7 | 11 | 16 | 25 | 14 | 12 | 1 | 2 | 3 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | |
High Tide | 1:45PM2.85m | 2:18AM3.10m | 3:02PM2.76m | 3:38AM3.11m | 4:28PM2.89m | 4:52AM3.32m | ||||||||||||||||||
Low Tide | 8:52AM1.42m | 9:03PM1.54m | 9:59AM1.38m | 10:11PM1.51m | 11:03AM1.23m | 11:17PM1.37m | ||||||||||||||||||
 |  | | |  |  | | |  | | | |  | | | | | | | | | | | | |
 | 5:30 | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:24 | — |
 | — | — | — | 8:55 | — | — | — | — | — | — | — | 8:58 | — | — | — | — | — | — | — | 9:00 | — | — | — | 9:00 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 14 | 13 | 12 | 11 | 9 | 8 | 8 | 9 | 12 | 12 | 10 | 7 | 6 | 7 | 8 | 9 | 11 | 11 | 11 | 8 | 8 | 9 | 10 |
10 | 10 | 8 | 8 | 8 | 5 | 4 | 3 | 4 | 7 | 6 | 5 | 3 | 3 | 4 | 5 | 5 | 6 | 5 | 6 | 5 | 5 | 5 | 5 | |
Swell 1 Height (m) Direction Period (s) | NW 6 | — | — | — | NNW 6 | NW 6 | NW 6 | NW 5 | NNW 5 | NW 5 | — | — | — | — | — | — | — | — | — | — | NW 4 | WNW 3 | — | W 9 |
 kJ | 9 | — | — | — | 24 | 18 | 5 | 5 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | NNW 4 | NW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 9 | — |
| kJ | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NNW 6 | NNW 5 | NNW 5 | — | NE 2 | NE 2 | NE 2 | NNE 2 | — | NNW 4 | NNW 4 | N 4 | NNW 4 | NW 4 | NW 4 | NW 4 | NW 4 | NW 4 | NW 4 | NNW 4 | — | — | W 3 |
| kJ | — | 24 | 34 | 31 | — | 1 | 1 | 1 | 1 | — | 10 | 14 | 8 | 3 | 3 | 7 | 11 | 16 | 25 | 14 | 12 | — | — | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 264 | 481 | 502 | 40 | 230 | 517 | 309 | 302 | 441 | 548 | 284 | 284 | 191 | 200 | 221 | 271 | 271 | 271 | 299 | 295 | 284 | 227 | 227 | 284 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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