
Surf Forecasts:
How big are the waves at Harlech today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 3ft (0.9m), 5s period with NW swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 2.5ft (0.7m), 5s period with W swell.
- Evening surf: Evening surf (16 Sep, local time) - 3ft (0.9m), 4s period with WSW swell.
The current surf forecast for Harlech at 10AM is: 0.9m 5s primary swell from a Northwest direction and 0.4m 5s secondary swell from a West-southwest direction (forecast issued at 06:00am September 16). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 3ft (0.9m) | 5s |
| Afternoon (16 Sep) | 2.5ft (0.7m) | 5s |
| Evening (16 Sep) | 3ft (0.9m) | 4s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Fri afternoon. Very mild (max 16°C on Fri afternoon, min 13°C on Wed night). Mainly fresh winds. | |||||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | |||||||||||||||||||||
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 5 | NW 5 | NW 5 | WNW 5 | W 5 | WSW 4 | WSW 5 | WSW 5 | WSW 6 | WSW 7 | W 6 | W 6 | WSW 6 | W 6 | W 5 | W 6 | W 5 | W 5 | WSW 5 | WSW 5 | SW 6 | WSW 7 | WSW 7 |
Wave Graph | |||||||||||||||||||||||
47 | 42 | 33 | 33 | 23 | 12 | 40 | 83 | 175 | 152 | 114 | 119 | 131 | 89 | 82 | 72 | 67 | 52 | 42 | 87 | 216 | 372 | 329 | |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:49AM3.87m | 00:09AM3.70m | 12:25PM3.54m | 00:47AM3.29m | 1:05PM3.19m | ||||||||||||||||||
Low Tide | 6:23PM0.90m | 6:36AM1.16m | 6:56PM1.20m | 7:10AM1.45m | 7:50PM1.49m | ||||||||||||||||||
6:50 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | |
— | — | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:25 | — | |
mm | — | — | — | — | — | — | — | — | 4 | — | — | — | 1 | — | — | — | — | — | — | — | 6 | 7 | 1 |
Temp °C | 13 | 13 | 14 | 15 | 15 | 14 | 15 | 14 | 15 | 13 | 14 | 14 | 15 | 15 | 14 | 13 | 13 | 13 | 14 | 14 | 14 | 16 | 16 |
Feels °C | 9 | 10 | 10 | 11 | 11 | 9 | 10 | 9 | 10 | 8 | 8 | 7 | 9 | 10 | 9 | 9 | 10 | 10 | 10 | 8 | 8 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | WSW 6 | WSW 8 | WSW 5 | WSW 9 | SW 8 | NNW 5 | NNW 5 | — | — | — | — | — | — | — | — | — | — | — | NW 5 | NW 5 | — | — | — |
13 | 24 | 11 | 8 | 3 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | 14 | 3 | — | — | — | |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | WNW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | NW 5 | NW 5 | NW 5 | WNW 5 | W 5 | WSW 4 | WSW 5 | WSW 5 | WSW 6 | WSW 7 | W 6 | W 6 | WSW 6 | W 6 | W 5 | W 6 | W 5 | W 5 | WSW 5 | WSW 5 | SW 6 | WSW 7 | WSW 7 |
47 | 42 | 33 | 33 | 23 | 12 | 40 | 83 | 175 | 152 | 114 | 119 | 131 | 89 | 82 | 72 | 67 | 52 | 42 | 87 | 216 | 372 | 329 | |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 137 | 137 | 137 | 137 | 284 | 288 | 284 | 291 | 288 | 284 | 300 | 782 | 501 | 501 | 144 | 144 | 144 | 278 | 305 | 462 | 309 | 310 | 399 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












