Surf Forecasts:
How big are the waves at Harlech today (09 Sep):
- Morning surf: Morning surf (09 Sep, local time) - 3ft (0.9m), 5s period with NW swell.
- Afternoon surf: Afternoon surf (09 Sep, local time) - 1.5ft (0.4m), 8s period with SW swell.
- Evening surf: Evening surf (09 Sep, local time) - 1.5ft (0.4m), 8s period with SW swell.
The current surf forecast for Harlech at 5AM is: 1.1m 6s primary swell from a Northwest direction and 0.4m 6s secondary swell from a West-southwest direction, 0.1m 10s secondary swell from a Southwest direction (forecast issued at 12:00am September 09). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Sep) | 3ft (0.9m) | 5s |
| Afternoon (09 Sep) | 1.5ft (0.4m) | 8s |
| Evening (09 Sep) | 1.5ft (0.4m) | 8s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Thu afternoon. Very mild (max 17°C on Thu morning, min 12°C on Wed night). Winds decreasing (fresh winds from the SSW on Thu morning, calm by Fri afternoon). | ||||||||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | ||||||||||||||||||||||
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) | NW 6 | NW 6 | NW 5 | NW 5 | SW 8 | SW 8 | WSW 8 | SW 8 | WSW 8 | SW 4 | SW 4 | SW 5 | SW 6 | SW 6 | SW 7 | WSW 7 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SW 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 86 | 75 | 57 | 31 | 24 | 16 | 12 | 16 | 6 | 11 | 19 | 38 | 86 | 182 | 248 | 146 | 103 | 89 | 82 | 46 | 45 | 27 | 26 | 17 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross | cross-off | cross | cross | cross | cross-on | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | glassy | cross-off |
High Tide | 7:20AM3.79m | 7:39PM4.31m | 8:05AM4.09m | 8:23PM4.62m | 8:47AM4.31m | 9:04PM4.80m | ||||||||||||||||||
Low Tide | 2:16AM0.41m | 2:32PM0.53m | 3:02AM0.10m | 3:14PM0.29m | 3:42AM-0.07m | 3:52PM0.16m | ||||||||||||||||||
 |  |  |  | |  | | | | | | | |  | |  | | | | | | | |  | |
 | — | 6:39 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:42 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 1 | 1 | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 12 | 12 | 12 | 13 | 15 | 17 | 15 | 16 | 16 | 15 | 15 | 14 | 14 | 15 | 15 | 14 | 12 |
Feels °C | 8 | 8 | 8 | 11 | 10 | 11 | 12 | 9 | 9 | 9 | 10 | 11 | 12 | 10 | 12 | 14 | 14 | 14 | 13 | 12 | 12 | 13 | 13 | 10 |
Swell 1 Height (m) Direction Period (s) | WSW 6 | WSW 6 | WSW 6 | WSW 8 | SW 8 | SW 8 | WNW 4 | SW 8 | WSW 8 | WSW 8 | SW 8 | SW 8 | — | — | — | — | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SW 8 |
| kJ | 19 | 14 | 14 | 26 | 17 | 16 | 6 | 16 | 6 | 6 | 2 | 2 | — | — | — | — | 92 | 89 | 82 | 46 | 45 | 27 | 26 | 17 |
Swell 2 Height (m) Direction Period (s) | W 9 | SW 10 | SW 10 | — | — | — | WSW 8 | WNW 4 | — | WSW 8 | — | — | — | — | — | — | — | — | — | NW 4 | WNW 4 | WNW 4 | WNW 4 | — |
| kJ | 2 | 4 | 4 | — | — | — | 12 | 1 | — | 6 | — | — | — | — | — | — | — | — | — | 2 | 1 | 1 | 1 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 6 | NW 6 | NW 5 | NW 5 | WNW 4 | WNW 4 | — | — | SW 3 | SW 4 | SW 4 | SW 5 | SW 6 | SW 6 | SW 7 | WSW 7 | WSW 8 | — | NW 3 | — | — | — | — | — |
| kJ | 86 | 75 | 57 | 31 | 24 | 10 | — | — | 4 | 11 | 19 | 38 | 86 | 182 | 248 | 146 | 103 | — | 2 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 294 | 137 | 137 | 137 | 143 | 26 | 143 | 143 | 140 | 254 | 254 | 383 | 294 | 423 | 128 | 167 | 26 | 137 | 131 | 137 | 137 | 26 | 125 | 125 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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