
Surf Forecasts:
How big are the waves at Harlech today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 4.5ft (1.4m), 6s period with SW swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 5.5ft (1.7m), 7s period with WSW swell.
- Evening surf: Evening surf (12 Sep, local time) - 4.5ft (1.4m), 7s period with WSW swell.
The current surf forecast for Harlech at 8AM is: 1.3m 6s primary swell from a Southwest direction (forecast issued at 12:00am September 12). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 4.5ft (1.4m) | 6s |
| Afternoon (12 Sep) | 5.5ft (1.7m) | 7s |
| Evening (12 Sep) | 4.5ft (1.4m) | 7s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 18mm), heaviest on Sat morning. Very mild (max 18°C on Sun morning, min 12°C on Fri night). Winds decreasing (fresh winds from the SSW on Sat morning, calm by Sun morning). | ||||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | ||||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | |
Swell Height Map | ||||||||||||||||||||||||
Wave Height (m) Direction Period (s) | SW 8 | SW 4 | SW 6 | SW 6 | SW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | SW 7 | SW 6 | SW 6 | WSW 6 | SW 4 | SW 5 | WSW 5 | SW 5 | SW 5 | SW 6 |
Wave Graph | ||||||||||||||||||||||||
32 | 29 | 96 | 162 | 244 | 259 | 211 | 138 | 96 | 59 | 40 | 29 | 17 | 17 | 11 | 11 | 10 | 4 | 17 | 49 | 49 | 43 | 62 | 72 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | glassy | on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross |
High Tide | 9:25AM4.43m | 9:43PM4.83m | 10:03AM4.45m | 10:20PM4.70m | 10:39AM4.35m | |||||||||||||||||||
Low Tide | 4:19AM-0.09m | 4:27PM0.14m | 4:53AM0.03m | 4:59PM0.23m | 5:23AM0.25m | 5:28PM0.40m | ||||||||||||||||||
— | 6:43 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | |
— | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:35 | — | |
mm | — | — | — | 1 | 8 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 1 | — |
Temp °C | 12 | 13 | 15 | 16 | 16 | 17 | 17 | 17 | 17 | 16 | 16 | 17 | 18 | 18 | 16 | 15 | 16 | 16 | 17 | 18 | 18 | 18 | 18 | 18 |
Feels °C | 9 | 8 | 10 | 11 | 12 | 14 | 15 | 16 | 17 | 17 | 16 | 18 | 18 | 18 | 16 | 14 | 15 | 15 | 16 | 17 | 17 | 16 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | — | WSW 8 | — | — | — | — | — | — | — | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | SW 7 | SW 6 | SW 6 | WSW 6 | W 8 | — | W 9 | — | — | WSW 6 |
— | 6 | — | — | — | — | — | — | — | 59 | 40 | 29 | 17 | 17 | 11 | 11 | 10 | 4 | 1 | — | 2 | — | — | 47 | |
Swell 2 Height (m) Direction Period (s) | NW 4 | — | — | — | — | — | — | — | — | — | — | — | — | W 9 | — | W 9 | W 9 | W 9 | — | — | — | — | — | — |
1 | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | 2 | 2 | 1 | — | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | SW 8 | SW 4 | SW 6 | SW 6 | SW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | — | — | — | — | — | — | — | SSW 3 | SW 3 | SW 4 | SW 5 | WSW 5 | SW 5 | SW 5 | SW 6 |
32 | 29 | 96 | 162 | 244 | 259 | 211 | 138 | 96 | — | — | — | — | — | — | — | 1 | 2 | 17 | 49 | 49 | 43 | 62 | 72 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 245 | 255 | 260 | 278 | 399 | 399 | 278 | 263 | 26 | 26 | 27 | 143 | 137 | 148 | 137 | 137 | 137 | 137 | 263 | 263 | 263 | 263 | 263 | 257 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)













