Surf Forecasts:
How big are the waves at Harlech today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 0.5ft (0.2m), 3s period with NNW swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 1.5ft (0.5m), 3s period with NW swell.
- Evening surf: Evening surf (20 Jul, local time) - 2ft (0.6m), 4s period with NNW swell.
The current surf forecast for Harlech at 9AM is: 0.2m 3s primary swell from a North-northwest direction (forecast issued at 06:00am July 20). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 0.5ft (0.2m) | 3s |
| Afternoon (20 Jul) | 1.5ft (0.5m) | 3s |
| Evening (20 Jul) | 2ft (0.6m) | 4s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 21°C on Wed afternoon, min 10°C on Tue night). Wind will be generally light. | |||||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||||||
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) | — | — | NNW 3 | NNW 3 | NNW 4 | NNW 4 | NNW 4 | NNW 4 | NW 5 | NW 6 | NNW 3 | NW 3 | NNW 4 | NNW 4 | NNW 4 | N 3 | NNW 4 | NNW 4 | NNW 4 | NW 4 | NW 4 | NNW 4 | NNW 4 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 0 | 0 | 1 | 3 | 8 | 9 | 9 | 0 | 1 | 1 | 1 | 2 | 9 | 13 | 7 | 6 | 7 | 10 | 13 | 9 | 10 | 16 | 10 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross | cross | cross-off | cross | cross | cross-on | cross-on | cross-on | cross | cross-off |
High Tide | 1:07PM3.54m | 1:29AM3.78m | 1:58PM3.29m | 2:23AM3.40m | 2:58PM3.08m | ||||||||||||||||||
Low Tide | 7:58AM0.64m | 8:00PM0.94m | 8:39AM0.95m | 8:44PM1.19m | 9:23AM1.22m | 9:37PM1.40m | |||||||||||||||||
 |  | | | | | | | | | | | | | | | |  | | | | | | |
 | 5:15 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — |
 | — | — | — | — | — | 9:28 | — | — | — | — | — | — | — | 9:27 | — | — | — | — | — | — | — | 9:25 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 16 | 17 | 19 | 19 | 16 | 14 | 14 | 14 | 17 | 19 | 19 | 18 | 14 | 12 | 10 | 11 | 14 | 19 | 20 | 21 | 17 |
Feels °C | 12 | 12 | 14 | 14 | 16 | 17 | 14 | 12 | 13 | 14 | 16 | 18 | 17 | 15 | 11 | 10 | 7 | 9 | 12 | 18 | 18 | 19 | 15 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | NNW 4 | NNW 4 | NNW 4 | NW 5 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 12 | 3 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NW 5 | NW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | NNW 3 | NNW 3 | NNW 4 | NNW 4 | NNW 4 | — | — | — | NNW 3 | NW 3 | NNW 4 | NNW 4 | NNW 4 | N 3 | NNW 4 | NNW 4 | NNW 4 | NW 4 | NW 4 | NNW 4 | NNW 4 |
| kJ | — | — | 1 | 3 | 8 | 9 | 9 | — | — | — | 1 | 2 | 9 | 13 | 7 | 6 | 7 | 10 | 13 | 9 | 10 | 16 | 10 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 281 | 281 | 281 | 281 | 295 | 299 | 351 | 347 | 290 | 290 | 221 | 221 | 221 | 1046 | 318 | 58 | 58 | 58 | 58 | 58 | 281 | 293 | 350 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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