Surf Forecasts:
How big are the waves at Harlech today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 3ft (0.9m), 4s period with SW swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 5ft (1.5m), 6s period with SW swell.
- Evening surf: Evening surf (10 Sep, local time) - 4.5ft (1.3m), 7s period with WSW swell.
The current surf forecast for Harlech at 3PM is: 1.5m 6s primary swell from a Southwest direction (forecast issued at 06:00am September 10). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 3ft (0.9m) | 4s |
| Afternoon (10 Sep) | 5ft (1.5m) | 6s |
| Evening (10 Sep) | 4.5ft (1.3m) | 7s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 18mm), heaviest on Thu afternoon. Very mild (max 17°C on Thu afternoon, min 12°C on Fri night). Winds decreasing (fresh winds from the SSW on Thu morning, light winds from the NW by Thu night). | |||||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | |||||||||||||||||||||
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) | WSW 8 | SW 4 | SSW 5 | SW 6 | SW 7 | SW 7 | WSW 7 | WSW 7 | WSW 9 | WSW 8 | WSW 8 | SW 8 | WSW 8 | SW 8 | SW 8 | WSW 8 | SW 5 | SW 6 | SW 6 | SW 7 | SW 7 | SW 7 | WSW 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 6 | 15 | 37 | 104 | 213 | 229 | 142 | 102 | 129 | 73 | 44 | 33 | 28 | 18 | 17 | 13 | 40 | 89 | 157 | 198 | 192 | 183 | 138 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross | cross | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 8:05AM4.09m | 8:23PM4.62m | 8:47AM4.31m | 9:04PM4.80m | 9:25AM4.43m | 9:43PM4.83m | |||||||||||||||||
Low Tide | 3:14PM0.29m | 3:42AM-0.07m | 3:52PM0.16m | 4:19AM-0.09m | 4:27PM0.14m | ||||||||||||||||||
 |  |  |  | | |  | |  |  | | | | |  | | | | | | | | | |
 | 6:39 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:42 | — | — | — | — | — | — | — | 7:39 | — |
mm | — | — | — | 1 | 4 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 2 | 1 | — |
Temp °C | 12 | 12 | 15 | 16 | 16 | 17 | 17 | 16 | 15 | 14 | 14 | 15 | 15 | 13 | 12 | 13 | 14 | 15 | 16 | 16 | 17 | 17 | 17 |
Feels °C | 9 | 9 | 10 | 11 | 12 | 14 | 15 | 14 | 15 | 13 | 12 | 13 | 13 | 12 | 10 | 10 | 10 | 11 | 12 | 12 | 15 | 15 | 16 |
Swell 1 Height (m) Direction Period (s) | WSW 8 | SW 8 | SW 8 | — | — | — | — | — | WSW 7 | — | WSW 8 | SW 8 | WSW 8 | SW 8 | SW 8 | WSW 8 | — | — | — | — | — | — | — |
| kJ | 6 | 2 | 2 | — | — | — | — | — | 75 | — | 44 | 33 | 28 | 18 | 17 | 13 | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | WSW 8 | WSW 8 | — | — | — | — | — | — | — | — | — | — | NW 4 | NW 4 | NW 4 | NW 4 | — | — | — | — | — | — | — |
| kJ | 6 | 6 | — | — | — | — | — | — | — | — | — | — | 4 | 2 | 1 | 1 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | NW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 4 | SSW 5 | SW 6 | SW 7 | SW 7 | WSW 7 | WSW 7 | WSW 9 | WSW 8 | NW 4 | NW 4 | — | — | — | SW 3 | SW 5 | SW 6 | SW 6 | SW 7 | SW 7 | SW 7 | WSW 7 |
| kJ | 4 | 15 | 37 | 104 | 213 | 229 | 142 | 102 | 129 | 73 | 5 | 8 | — | — | — | 9 | 40 | 89 | 157 | 198 | 192 | 183 | 138 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 254 | 233 | 294 | 294 | 423 | 462 | 26 | 207 | 26 | 14 | 131 | 137 | 26 | 143 | 143 | 255 | 255 | 260 | 278 | 307 | 142 | 278 | 278 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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