Surf Forecasts:
How big are the waves at Harlech today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 5.5ft (1.7m), 7s period with W swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 7ft (2.2m), 8s period with W swell.
- Evening surf: Evening surf (21 Oct, local time) - 5ft (1.6m), 7s period with W swell.
The current surf forecast for Harlech at 12PM is: 2.3m 8s primary swell from a West direction (forecast issued at 06:00am October 21). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 5.5ft (1.7m) | 7s |
| Afternoon (21 Oct) | 7ft (2.2m) | 8s |
| Evening (21 Oct) | 5ft (1.6m) | 7s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 31mm), heaviest during Fri morning. Very mild (max 11°C on Thu morning, min 8°C on Wed morning). Mainly near gales. | |||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | |||||||||||||||||||||
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 6 | SW 6 | W 7 | W 8 | W 8 | W 7 | W 7 | W 6 | W 5 | WSW 5 | WSW 5 | WSW 9 | SW 9 | SW 9 | WSW 9 | WSW 9 | WSW 8 | SW 8 | NW 6 | WNW 7 | WNW 7 | WNW 7 | WNW 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 33 | 116 | 262 | 616 | 537 | 333 | 193 | 88 | 55 | 37 | 45 | 137 | 77 | 61 | 50 | 29 | 26 | 34 | 236 | 472 | 360 | 360 | 299 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | on | on | on | on | on | on | on | on | on | on | cross-on | cross | off | off | off | off | glassy | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 5:29AM2.77m | 5:43PM3.17m | 6:15AM3.09m | 6:25PM3.51m | 6:51AM3.46m | 7:02PM3.87m | |||||||||||||||||
Low Tide | 11:56AM1.43m | 00:37AM1.09m | 12:49PM1.15m | 1:21AM0.78m | 1:33PM0.88m | ||||||||||||||||||
 |  |  | |  |  | |  | |  |  |  | | | | | | |  | | | | | |
 | — | 7:52 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — |
 | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:04 | — | — |
mm | — | 2 | 2 | 3 | 2 | — | — | 1 | 1 | — | — | — | — | — | 1 | 3 | 3 | — | 8 | 4 | 1 | — | 1 |
Temp °C | 10 | 10 | 9 | 8 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 11 | 11 | 10 | 10 | 11 | 11 | 11 | 9 | 8 | 10 | 10 | 10 |
Feels °C | 7 | 5 | 2 | -2 | 0 | 1 | 4 | 5 | 5 | 5 | 5 | 7 | 8 | 6 | 4 | 6 | 8 | 10 | -2 | -4 | -2 | -1 | 0 |
Swell 1 Height (m) Direction Period (s) | SW 6 | — | — | — | — | — | — | — | — | — | — | NW 4 | SW 9 | SW 9 | WSW 9 | WSW 9 | WSW 8 | SW 8 | SW 12 | — | — | — | — |
| kJ | 33 | — | — | — | — | — | — | — | — | — | — | 7 | 77 | 61 | 50 | 29 | 26 | 34 | 154 | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NW 4 | WNW 4 | NW 4 | — | — | — | WSW 16 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 1 | 1 | — | — | — | 149 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 13 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 3 | SW 6 | W 7 | W 8 | W 8 | W 7 | W 7 | W 6 | W 5 | WSW 5 | WSW 5 | WSW 9 | — | — | E 2 | ESE 3 | ESE 3 | — | NW 6 | WNW 7 | WNW 7 | WNW 7 | WNW 7 |
| kJ | 3 | 116 | 262 | 616 | 537 | 333 | 193 | 88 | 55 | 37 | 45 | 137 | — | — | 2 | 8 | 4 | — | 236 | 472 | 360 | 360 | 299 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 167 | 285 | 285 | 284 | 284 | 284 | 315 | 131 | 288 | 26 | 26 | 131 | 43 | 29 | 285 | 215 | 125 | 26 | 284 | 281 | 288 | 637 | 516 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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