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 (0.2m), 5s period with WSW swell.
The current surf forecast for Harlech at 4AM is: 0.1m 13s primary swell from a West direction and 0.1m 11s secondary swell from a West direction (forecast issued at 12:00am October 20). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be 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 (0.2m) | 5s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Wed afternoon. Very mild (max 13°C on Thu afternoon, min 9°C on Mon night). Winds increasing (calm on Tue morning, near gales from the NW by Wed afternoon). | ||||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | ||||||||||||||||||||||
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) | W 11 | W 13 | W 11 | W 11 | W 10 | W 10 | W 10 | WSW 5 | SW 5 | SW 6 | SW 7 | WSW 10 | W 9 | WNW 8 | WNW 8 | W 7 | W 6 | W 5 | W 5 | WSW 8 | WSW 9 | SW 9 | WSW 9 | SW 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2 | 4 | 2 | 2 | 2 | 2 | 2 | 3 | 8 | 24 | 48 | 256 | 494 | 910 | 426 | 173 | 80 | 50 | 49 | 125 | 121 | 79 | 30 | 59 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | glassy | glassy | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross | cross-off | cross-off | cross-off |
High Tide | 3:55AM2.55m | 4:38PM2.88m | 5:29AM2.77m | 5:43PM3.17m | 6:15AM3.09m | 6:25PM3.51m | ||||||||||||||||||
Low Tide | 10:26PM1.58m | 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 | — | — | — | — | 2 | 1 | 1 | — | — | 1 | 1 | — | — | 7 | 6 | — | — | — | — | — | — | — | 1 | 4 |
Temp °C | 10 | 9 | 9 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 11 | 12 | 9 | 10 | 10 | 9 | 9 | 9 | 11 | 12 | 13 | 12 | 12 |
Feels °C | 6 | 6 | 6 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 7 | 8 | 9 | -3 | 1 | 3 | 4 | 5 | 5 | 7 | 8 | 9 | 6 | 3 |
Swell 1 Height (m) Direction Period (s) | — | — | S 4 | — | SW 4 | SW 4 | SW 4 | WSW 5 | SW 5 | SW 6 | SW 7 | — | — | — | — | — | — | — | — | NW 5 | WSW 9 | SW 9 | WSW 9 | SW 9 |
| kJ | — | — | 1 | — | 1 | 1 | 1 | 3 | 8 | 24 | 48 | — | — | — | — | — | — | — | — | 7 | 121 | 79 | 30 | 59 |
Swell 2 Height (m) Direction Period (s) | W 11 | W 11 | W 11 | W 11 | W 10 | W 8 | W 8 | W 8 | W 8 | — | SW 14 | — | — | — | — | — | — | — | — | — | NW 4 | NW 4 | SW 4 | — |
| kJ | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | — | 8 | — | — | — | — | — | — | — | — | — | 3 | 3 | 4 | — |
Swell 3 Height (m) Direction Period (s) | — | W 13 | — | W 8 | W 8 | W 10 | W 10 | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | NNW 5 | — | NW 4 | — |
| kJ | — | 4 | — | 1 | 1 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | 1 | — |
Wind waves Height (m) Direction Period (s) | SE 3 | SSE 3 | — | — | — | — | — | — | SE 2 | ESE 3 | — | WSW 10 | W 9 | WNW 8 | WNW 8 | W 7 | W 6 | W 5 | W 5 | WSW 8 | — | SSE 2 | SE 3 | ESE 3 |
| kJ | 1 | 1 | — | — | — | — | — | — | 1 | 1 | — | 256 | 494 | 910 | 426 | 173 | 80 | 50 | 49 | 125 | — | 1 | 4 | 7 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 131 | 131 | 130 | 131 | 131 | 137 | 140 | 305 | 305 | 284 | 44 | 0 | 9 | 338 | 284 | 131 | 131 | 131 | 131 | 61 | 61 | 291 | 291 | 346 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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