Surf Forecasts:
How big are the waves at Harlech today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 2ft (0.6m), 6s period with WSW swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 1.5ft (0.4m), 6s period with WSW swell.
- Evening surf: Evening surf (13 Sep, local time) - 1.5ft (0.4m), 6s period with SW swell.
The current surf forecast for Harlech at 4PM is: 0.4m 6s primary swell from a West-southwest direction and 0.1m 9s secondary swell from a West direction (forecast issued at 12:00pm September 13). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 2ft (0.6m) | 6s |
| Afternoon (13 Sep) | 1.5ft (0.4m) | 6s |
| Evening (13 Sep) | 1.5ft (0.4m) | 6s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Mon night. Very mild (max 18°C on Sun morning, min 12°C on Tue night). Winds increasing (calm on Sun morning, fresh winds from the SSW by Mon night). | |||||||||||||||||||||
Sun 13 | Monday 14 | Tuesday 15 | |||||||||||||||||||
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 6 | WSW 6 | WSW 6 | WSW 6 | SW 6 | SW 6 | SW 4 | WSW 5 | SW 5 | SW 4 | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | WSW 6 | WSW 5 | W 5 | W 5 | WSW 5 | W 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 28 | 16 | 16 | 16 | 10 | 19 | 16 | 14 | 19 | 27 | 40 | 47 | 69 | 99 | 162 | 87 | 69 | 82 | 57 | 33 | 28 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross | cross-off | cross-off | cross-on | cross | cross | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on |
High Tide | 10:03AM4.45m | 10:20PM4.70m | 10:39AM4.35m | 10:57PM4.45m | 11:14AM4.15m | ||||||||||||||||
Low Tide | 4:59PM0.23m | 5:23AM0.25m | 5:28PM0.40m | 5:49AM0.54m | 5:55PM0.63m | ||||||||||||||||
 |  | | |  | | | | | |  | |  | |  |  |  | | | |  | |
 | 6:46 | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — |
 | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:32 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 7 | 1 | 1 | — | — | — | — |
Temp °C | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 17 | 16 | 17 | 17 | 18 | 17 | 17 | 16 | 14 | 14 | 16 | 15 | 14 |
Feels °C | 20 | 18 | 19 | 18 | 18 | 16 | 15 | 16 | 17 | 14 | 15 | 14 | 15 | 15 | 14 | 14 | 9 | 9 | 12 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | WSW 6 | WSW 6 | WSW 6 | WSW 6 | SW 6 | W 9 | WSW 6 | WSW 5 | W 8 | — | — | W 8 | — | — | — | — | — | — | — | — | — |
| kJ | 28 | 16 | 16 | 16 | 10 | 2 | 4 | 14 | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | W 9 | W 9 | W 9 | W 9 | — | W 8 | W 9 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 2 | 2 | 2 | 2 | — | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SW 6 | SW 4 | — | SW 5 | SW 4 | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | WSW 6 | WSW 5 | W 5 | W 5 | WSW 5 | W 4 |
| kJ | — | — | — | — | — | 19 | 16 | — | 19 | 27 | 40 | 47 | 69 | 99 | 162 | 87 | 69 | 82 | 57 | 33 | 28 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 215 | 278 | 137 | 137 | 245 | 245 | 255 | 137 | 263 | 263 | 263 | 263 | 254 | 257 | 278 | 350 | 562 | 288 | 501 | 501 | 137 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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‘Porth Neigwl: Choppy waves hadn't tidied much (from what I could see in the dark.’
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