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) - 1ft (0.3m), 8s period with SW swell.
The current surf forecast for Harlech at 8PM is: 0.1m 8s primary swell from a Southwest direction (forecast issued at 12:00pm September 29). An open ocean swell of 1.0m 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) | 1ft (0.3m) | 8s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 32mm), heaviest during Thu night. Warm (max 23°C on Tue afternoon, min 12°C on Wed night). Winds decreasing (strong winds from the SE on Tue afternoon, light winds from the SSW by Wed night). | |||||||||||||||||||||
Tue 29 | Wednesday 30 | Thursday 1 | |||||||||||||||||||
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 | SW 6 | SW 8 | SW 8 | SW 9 | SSW 10 | WSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 11 | SW 11 | WSW 10 | SW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 4 | 4 | 2 | 3 | 10 | 117 | 530 | 211 | 429 | 568 | 606 | 558 | 462 | 375 | 341 | 268 | 242 | 238 | 220 | 71 | 52 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-off | cross | cross | cross | cross | cross | cross-on | cross | cross | 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 | — | — | — | 1 | — | 4 | 6 | 5 | — | — | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — |
Temp °C | 15 | 19 | 23 | 20 | 20 | 18 | 17 | 14 | 16 | 16 | 16 | 14 | 13 | 13 | 13 | 12 | 14 | 15 | 15 | 14 | 13 |
Feels °C | 10 | 14 | 17 | 15 | 16 | 13 | 13 | 12 | 11 | 10 | 10 | 10 | 10 | 10 | 11 | 9 | 11 | 12 | 11 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | WSW 6 | WSW 6 | SW 6 | SW 8 | SW 8 | SW 9 | — | WSW 11 | WSW 11 | — | — | — | WSW 11 | SW 11 | SW 11 | SW 11 | WSW 11 | — | — | WSW 10 | WSW 10 |
| kJ | 4 | 4 | 2 | 3 | 10 | 117 | — | 211 | 109 | — | — | — | 311 | 375 | 341 | 268 | 242 | — | — | 71 | 38 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SW 5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 41 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 3 | SE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSW 10 | — | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | — | — | — | — | WSW 11 | SW 11 | SW 5 | SW 6 |
| kJ | 8 | 37 | 37 | 40 | 29 | 30 | 530 | — | 429 | 568 | 606 | 558 | 462 | — | — | — | — | 238 | 220 | 35 | 52 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 624 | 895 | 896 | 463 | 756 | 307 | 245 | 40 | 362 | 284 | 285 | 263 | 104 | 43 | 40 | 43 | 61 | 263 | 263 | 184 | 40 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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