Surf Forecasts:
How big are the waves at Harlech today (29 Sep):
- Morning surf: Morning surf (29 Sep, local time) - 0.5ft (0.2m), 6s period with WSW swell.
- Afternoon surf: Afternoon surf (29 Sep, local time) - 0.5ft (0.1m), 6s period with SW swell.
- Evening surf: Evening surf (29 Sep, local time) - 0.5ft (0.2m), 8s period with WSW swell.
The current surf forecast for Harlech at 1PM is: 0.2m 6s primary swell from a West-southwest direction (forecast issued at 06:00am September 29). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Sep) | 0.5ft (0.2m) | 6s |
| Afternoon (29 Sep) | 0.5ft (0.1m) | 6s |
| Evening (29 Sep) | 0.5ft (0.2m) | 8s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 30mm), heaviest during Tue night. Warm (max 22°C on Tue afternoon, min 12°C on Wed night). Winds decreasing (strong winds from the SSE on Tue afternoon, light winds from the SSW by Wed night). | |||||||||||||||||||||||
Tuesday 29 | Wednesday 30 | Thursday 1 | |||||||||||||||||||||
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) | WSW 7 | WSW 6 | WSW 6 | WSW 6 | SW 6 | SW 8 | SW 8 | SW 10 | SSW 10 | WSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 11 | WSW 11 | SW 11 | WSW 10 | SW 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 4 | 4 | 4 | 4 | 2 | 2 | 10 | 51 | 466 | 200 | 172 | 515 | 606 | 515 | 423 | 341 | 268 | 146 | 143 | 200 | 220 | 69 | 67 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-off | cross | cross | cross | cross | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross |
High Tide | 10:17AM4.55m | 10:36PM4.67m | 10:56AM4.46m | 11:18PM4.43m | 11:38AM4.24m | ||||||||||||||||||
Low Tide | 5:05PM0.35m | 5:29AM0.44m | 5:41PM0.52m | 6:06AM0.72m | 6:26PM0.76m | ||||||||||||||||||
 |  |  |  | | | |  |  |  |  |  | | | | | | | | | | | | |
 | — | 7:13 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — |
 | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:53 | — | — |
mm | — | — | — | — | — | — | — | 2 | 7 | 8 | — | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | — | — | — |
Temp °C | 11 | 13 | 16 | 19 | 22 | 21 | 20 | 18 | 16 | 14 | 16 | 16 | 16 | 15 | 13 | 13 | 13 | 12 | 14 | 15 | 15 | 14 | 14 |
Feels °C | 7 | 10 | 12 | 15 | 17 | 15 | 16 | 13 | 13 | 12 | 11 | 10 | 11 | 11 | 10 | 10 | 10 | 9 | 11 | 11 | 10 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | WSW 7 | WSW 6 | WSW 6 | WSW 6 | SW 6 | SW 8 | SW 8 | SW 10 | — | SW 6 | SW 11 | — | — | — | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 11 | — | — | WSW 10 | SW 10 |
| kJ | 4 | 4 | 4 | 4 | 2 | 2 | 10 | 45 | — | 61 | 172 | — | — | — | 423 | 341 | 268 | 146 | 143 | — | — | 69 | 46 |
Swell 2 Height (m) Direction Period (s) | W 12 | — | — | — | — | — | — | SW 6 | — | WSW 11 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | — | — | — | — | — | — | 2 | — | 200 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 3 | SE 3 | ESE 3 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | S 4 | SSW 10 | — | SSW 5 | SW 11 | SW 11 | SW 11 | — | — | — | SW 4 | WSW 4 | WSW 11 | SW 11 | SW 5 | SW 6 |
| kJ | 3 | 4 | 6 | 29 | 28 | 38 | 38 | 51 | 466 | — | 42 | 515 | 606 | 515 | — | — | — | 16 | 13 | 200 | 220 | 45 | 67 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 150 | 329 | 397 | 624 | 637 | 463 | 756 | 307 | 257 | 40 | 362 | 285 | 285 | 263 | 43 | 43 | 43 | 43 | 61 | 263 | 284 | 207 | 61 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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