Surf Forecasts:
How big are the waves at Harlech today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 3.5ft (1.1m), 5s period with W swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 3.5ft (1.1m), 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 8AM is: 1.0m 6s primary swell from a West-southwest direction (forecast issued at 12:00am September 15). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 3.5ft (1.1m) | 5s |
| Afternoon (15 Sep) | 3.5ft (1.1m) | 5s |
| Evening (15 Sep) | 2ft (0.6m) | 6s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 22mm), heaviest during Mon night. Very mild (max 18°C on Mon night, min 13°C on Tue night). Mainly fresh winds. | ||||||||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||||||||||
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) | SW 6 | SW 6 | WSW 6 | W 5 | W 5 | W 5 | WSW 5 | WSW 6 | WSW 6 | NW 5 | NW 5 | WNW 5 | WNW 5 | WSW 5 | WSW 5 | WSW 4 | WSW 5 | WSW 6 | WSW 6 | W 7 | W 5 | W 5 | W 5 | W 5 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 103 | 157 | 75 | 66 | 64 | 55 | 29 | 24 | 22 | 58 | 49 | 61 | 39 | 13 | 13 | 25 | 67 | 159 | 133 | 126 | 66 | 64 | 74 | 80 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on |
High Tide | 10:57PM4.45m | 11:14AM4.15m | 11:33PM4.10m | 11:49AM3.87m | 00:09AM3.70m | 12:25PM3.54m | ||||||||||||||||||
Low Tide | 5:49AM0.54m | 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 | 3 | 7 | 1 | 1 | — | 1 | 1 | 1 | — | — | — | — | 1 | — | — | — | 1 | 4 | 1 | — | — | — | — | — |
Temp °C | 18 | 17 | 15 | 14 | 15 | 15 | 15 | 14 | 13 | 13 | 13 | 14 | 14 | 15 | 14 | 14 | 14 | 15 | 15 | 14 | 14 | 15 | 15 | 13 |
Feels °C | 14 | 14 | 13 | 10 | 11 | 11 | 12 | 11 | 9 | 9 | 10 | 11 | 11 | 11 | 10 | 10 | 9 | 11 | 11 | 9 | 9 | 9 | 10 | 8 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | WSW 5 | WSW 6 | WSW 6 | WSW 6 | SW 6 | WSW 9 | SW 5 | NW 5 | NW 4 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 29 | 24 | 22 | 14 | 9 | 8 | 7 | 9 | 5 | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | WSW 8 | WSW 8 | — | — | W 9 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 12 | 6 | — | — | 2 | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 6 | SW 6 | WSW 6 | W 5 | W 5 | W 5 | — | NW 4 | NW 4 | NW 5 | NW 5 | WNW 5 | WNW 5 | WSW 5 | WSW 5 | WSW 4 | WSW 5 | WSW 6 | WSW 6 | W 7 | W 5 | W 5 | W 5 | W 5 |
| kJ | 103 | 157 | 75 | 66 | 64 | 55 | — | 9 | 21 | 58 | 49 | 61 | 39 | 13 | 13 | 25 | 67 | 159 | 133 | 126 | 66 | 64 | 74 | 80 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 288 | 167 | 26 | 501 | 555 | 501 | 1049 | 137 | 137 | 278 | 143 | 144 | 278 | 281 | 291 | 284 | 288 | 288 | 284 | 298 | 782 | 782 | 501 | 137 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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