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Surf Forecasts:
Harlech surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 6 am Thursday 30 Apr 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
11.9° C
(Which is 2.3°C warmer than normal for this time of year)How big are the waves at Harlech today?
The current surf forecast for Harlech at 11AM is: 0.1m 11s primary swell from a West direction (forecast issued at 06:00am April 30). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | 0.5ft (0.1m) | 11s |
| Afternoon (30 Apr) | 0.5ft (0.1m) | 11s |
| Evening (30 Apr) | 0.5ft (0.1m) | 11s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Sat night. Very mild (max 19°C on Thu afternoon, min 9°C on Fri night). Winds decreasing (fresh winds from the ESE on Thu morning, calm by Sat afternoon). | ||||||||||||||||||||||||
Thursday 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | SW 3 | SW 4 | SW 4 | SW 4 | WSW 6 | SW 6 | SW 6 | |
3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 4 | 3 | 8 | 8 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross | cross-on | cross-on | cross | cross | cross | cross-off | cross | cross-on | cross | glassy | cross-off | cross-off | |
High Tide | 8:01AM4.15m | 8:21PM4.08m | 8:37AM4.22m | 8:56PM4.20m | 9:13AM4.22m | 9:29PM4.23m | ||||||||||||||||||
Low Tide | 3:10PM0.43m | 3:24AM0.53m | 3:40PM0.48m | 3:54AM0.53m | 4:07PM0.57m | |||||||||||||||||||
 |  | | | | |  | | |  |  |  | | |  | | | | | | | |  | | |
 | 5:47 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | 5:41 |
 | — | — | — | — | — | 8:40 | — | — | — | — | — | — | — | 8:43 | — | — | — | — | — | — | — | 8:44 | — | 8:45 |
— | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 2 | 4 | |
Temp °C | 9 | 9 | 14 | 17 | 19 | 17 | 13 | 12 | 12 | 13 | 11 | 13 | 13 | 13 | 10 | 10 | 9 | 9 | 12 | 13 | 14 | 13 | 12 | 12 |
3 | 4 | 9 | 11 | 13 | 13 | 10 | 8 | 8 | 10 | 9 | 12 | 12 | 12 | 8 | 8 | 7 | 7 | 9 | 11 | 12 | 12 | 11 | 10 | |
Swell 1 Height (m) Direction Period (s) | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | — | W 11 | W 10 | W 10 | W 10 | W 10 | SW 4 | W 10 | W 10 | SW 3 | SW 3 | W 10 | W 10 | W 10 | SW 4 | SW 4 | SW 6 | SW 6 |
 kJ | 3 | 3 | 2 | 2 | 2 | 2 | — | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 3 | 8 | 8 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | W 11 | — | — | — | SW 4 | SW 4 | W 10 | — | W 10 | W 10 | W 10 | W 10 | W 10 | — | W 6 | WSW 6 | — | — |
| kJ | — | — | — | — | — | — | 2 | — | — | — | 1 | 1 | 2 | — | 2 | 2 | 2 | 2 | 2 | — | 1 | 3 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 3 | E 3 | ESE 3 | ESE 4 | SE 4 | SE 4 | SE 3 | SE 3 | SE 3 | ESE 3 | — | — | — | SW 4 | — | — | — | SW 3 | SW 4 | SW 4 | — | — | — | — |
| kJ | 8 | 8 | 9 | 17 | 17 | 11 | 4 | 2 | 2 | 1 | — | — | — | 1 | — | — | — | 3 | 3 | 5 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 306 | 308 | 309 | 309 | 329 | 128 | 186 | 190 | 190 | 200 | 140 | 151 | 263 | 277 | 254 | 189 | 258 | 191 | 206 | 140 | 130 | 264 | 306 | 306 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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