Surf Forecasts:
How big are the waves at Harlech today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 3.5ft (1.1m), 6s period with W swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 3.5ft (1.0m), 5s period with W swell.
- Evening surf: Evening surf (15 Sep, local time) - 2ft (0.6m), 6s period with WSW swell.
The current surf forecast for Harlech at 1PM is: 1.1m 5s primary swell from a West direction (forecast issued at 06:00am September 15). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 3.5ft (1.1m) | 6s |
| Afternoon (15 Sep) | 3.5ft (1.0m) | 5s |
| Evening (15 Sep) | 2ft (0.6m) | 6s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Wed night. Very mild (max 15°C on Tue morning, min 12°C on Thu night). Mainly fresh winds. | |||||||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | |||||||||||||||||||||
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) | SW 6 | WSW 6 | W 6 | W 5 | W 5 | WSW 5 | WSW 6 | NW 5 | NW 5 | NW 5 | WNW 5 | WNW 5 | W 5 | WSW 4 | WSW 4 | WSW 5 | WSW 6 | WSW 7 | W 6 | W 6 | W 5 | W 6 | W 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 195 | 96 | 74 | 62 | 51 | 18 | 27 | 21 | 48 | 29 | 40 | 34 | 23 | 24 | 26 | 97 | 186 | 158 | 110 | 103 | 85 | 117 | 134 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on |
High Tide | 11:14AM4.15m | 11:33PM4.10m | 11:49AM3.87m | 00:09AM3.70m | 12:25PM3.54m | ||||||||||||||||||
Low Tide | 5:55PM0.63m | 6:13AM0.85m | 6:23PM0.90m | 6:36AM1.16m | 6:56PM1.20m | ||||||||||||||||||
 |  |  |  | |  |  |  |  | | | | | | |  | | | | |  | | | |
 | 6:48 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:32 | — | — | — | — | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:28 | — |
mm | 8 | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | 1 | 5 | — | — | — | 1 | 1 | — |
Temp °C | 17 | 15 | 14 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 14 | 15 | 15 | 15 | 15 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 13 |
Feels °C | 13 | 13 | 11 | 10 | 11 | 12 | 11 | 11 | 9 | 10 | 10 | 11 | 11 | 10 | 11 | 9 | 10 | 9 | 8 | 8 | 8 | 8 | 7 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | WSW 5 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 8 | NW 5 | NW 5 | NW 5 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 18 | 27 | 14 | 14 | 13 | 6 | 6 | 20 | 8 | 3 | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | WSW 7 | — | — | — | — | WSW 8 | — | W 9 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 9 | — | — | — | — | 6 | — | 2 | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 6 | WSW 6 | W 6 | W 5 | W 5 | NW 5 | NW 4 | NW 5 | NW 5 | NW 5 | WNW 5 | WNW 5 | W 5 | WSW 4 | WSW 4 | WSW 5 | WSW 6 | WSW 7 | W 6 | W 6 | W 5 | W 6 | W 6 |
| kJ | 195 | 96 | 74 | 62 | 51 | 10 | 14 | 21 | 48 | 29 | 40 | 34 | 23 | 24 | 26 | 97 | 186 | 158 | 110 | 103 | 85 | 117 | 134 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 263 | 137 | 501 | 555 | 501 | 1049 | 137 | 137 | 137 | 137 | 137 | 137 | 281 | 293 | 284 | 295 | 299 | 284 | 298 | 782 | 782 | 501 | 319 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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