Surf Forecasts:
How big are the waves at Harlech today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 0.5ft (0.1m), 11s period with W swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 0.5ft (0.1m), 9s period with W swell.
- Evening surf: Evening surf (20 Oct, local time) - 0.5ft (0.1m), 10s period with W swell.
The current surf forecast for Harlech at 4PM is: 0.1m 10s primary swell from a West direction and 0.1m 4s secondary swell from a Southwest direction, 0.1m 8s secondary swell from a West direction (forecast issued at 12:00pm October 20). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 0.5ft (0.1m) | 11s |
| Afternoon (20 Oct) | 0.5ft (0.1m) | 9s |
| Evening (20 Oct) | 0.5ft (0.1m) | 10s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Wed afternoon. Very mild (max 13°C on Thu night, min 8°C on Wed afternoon). Winds increasing (calm on Tue morning, near gales from the WNW by Wed morning). | |||||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | |||||||||||||||||||
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) | W 11 | W 10 | W 10 | W 10 | WSW 5 | SW 5 | SW 6 | SW 7 | W 9 | W 8 | WNW 9 | WNW 8 | W 7 | W 6 | W 5 | W 5 | WSW 5 | WSW 9 | WSW 9 | SW 9 | WSW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2 | 2 | 2 | 2 | 2 | 8 | 25 | 57 | 577 | 893 | 981 | 427 | 173 | 83 | 59 | 59 | 66 | 166 | 101 | 79 | 50 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross | on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-off | off | cross-off |
High Tide | 4:38PM2.88m | 5:29AM2.77m | 5:43PM3.17m | 6:15AM3.09m | 6:25PM3.51m | ||||||||||||||||
Low Tide | 10:46AM1.64m | 11:41PM1.38m | 11:56AM1.43m | 00:37AM1.09m | 12:49PM1.15m | ||||||||||||||||
 | | |  |  |  |  | | | |  |  | | | | |  |  |  | | | |
 | 7:50 | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — |
 | — | — | 6:10 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:07 | — | — |
mm | 1 | 2 | 2 | 1 | — | — | — | 1 | 1 | 1 | 6 | 1 | — | — | 1 | 1 | — | 1 | — | — | 1 |
Temp °C | 9 | 9 | 9 | 10 | 10 | 9 | 10 | 10 | 10 | 9 | 8 | 10 | 10 | 9 | 10 | 9 | 11 | 12 | 12 | 11 | 11 |
Feels °C | 6 | 8 | 7 | 8 | 7 | 5 | 6 | 7 | 5 | -2 | -3 | 1 | 5 | 4 | 5 | 4 | 6 | 8 | 8 | 7 | 5 |
Swell 1 Height (m) Direction Period (s) | S 4 | SW 4 | SW 4 | SW 4 | WSW 5 | SW 5 | SW 6 | SW 7 | WSW 10 | — | — | — | — | — | — | — | — | W 5 | WSW 9 | SW 9 | WSW 9 |
| kJ | 1 | 1 | 1 | 1 | 2 | 8 | 25 | 57 | 314 | — | — | — | — | — | — | — | — | 46 | 101 | 79 | 50 |
Swell 2 Height (m) Direction Period (s) | W 11 | W 10 | W 8 | W 8 | W 8 | — | — | WSW 14 | — | — | — | — | — | — | — | — | — | — | NW 4 | WNW 4 | NW 4 |
| kJ | 2 | 2 | 1 | 1 | 1 | — | — | 19 | — | — | — | — | — | — | — | — | — | — | 4 | 2 | 1 |
Swell 3 Height (m) Direction Period (s) | W 8 | W 8 | W 10 | W 10 | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SE 3 | SE 3 | SE 3 | W 9 | W 8 | WNW 9 | WNW 8 | W 7 | W 6 | W 5 | W 5 | WSW 5 | WSW 9 | — | — | ESE 2 |
| kJ | — | — | — | — | — | 2 | 5 | 3 | 577 | 893 | 981 | 427 | 173 | 83 | 59 | 59 | 66 | 166 | — | — | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 131 | 131 | 137 | 151 | 305 | 293 | 284 | 285 | 285 | 299 | 281 | 281 | 288 | 26 | 131 | 131 | 131 | 207 | 0 | 0 | 305 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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