Surf Forecasts:
How big are the waves at Porth Dinllaen today (12 Oct):
- Morning surf: Morning surf (12 Oct, local time) - 3.5ft (1.0m), 8s period with SW swell.
- Afternoon surf: Afternoon surf (12 Oct, local time) - 1.5ft (0.4m), 12s period with SW swell.
- Evening surf: Evening surf (12 Oct, local time) - 1.5ft (0.4m), 11s period with SW swell.
The current surf forecast for Porth Dinllaen at 3PM is: 0.4m 12s primary swell from a Southwest direction (forecast issued at 06:00am October 12). An open ocean swell of 1.1m 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 (12 Oct) | 3.5ft (1.0m) | 8s |
| Afternoon (12 Oct) | 1.5ft (0.4m) | 12s |
| Evening (12 Oct) | 1.5ft (0.4m) | 11s |
Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Mon night. Very mild (max 17°C on Mon night, min 13°C on Mon night). Winds increasing (light winds from the WSW on Tue night, strong winds from the SSW by Wed night). | |||||||||||||||||||||||
Monday 12 | Tuesday 13 | Wednesday 14 | |||||||||||||||||||||
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 7 | SW 7 | SW 8 | SSW 7 | SW 4 | SW 11 | SW 11 | SW 6 | SW 7 | SW 7 | SW 7 | WSW 5 | WSW 6 | WSW 5 | SW 9 | SW 9 | SW 10 | SW 10 | SW 5 | SW 6 | SW 7 | SW 7 | SW 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 91 | 104 | 110 | 86 | 0 | 119 | 29 | 269 | 397 | 362 | 223 | 124 | 179 | 128 | 178 | 162 | 150 | 204 | 0 | 0 | 337 | 404 | 416 |
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-off | on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 10:05AM3.82m | 10:22PM3.87m | 10:38AM3.76m | 10:58PM3.69m | 11:12AM3.63m | ||||||||||||||||||
Low Tide | 5:04PM0.17m | 5:21AM0.29m | 5:37PM0.32m | 5:52AM0.53m | 6:10PM0.52m | ||||||||||||||||||
 | |  |  |  |  |  | | |  |  |  | | | | | |  | | | | | | |
 | — | 7:37 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — |
 | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:25 | — | — |
mm | 1 | 1 | 1 | — | — | — | — | — | 1 | 6 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 17 | 13 | 15 | 15 | 15 | 15 | 13 | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 15 |
Feels °C | 9 | 10 | 11 | 13 | 12 | 10 | 12 | 11 | 11 | 7 | 10 | 8 | 8 | 9 | 7 | 9 | 10 | 9 | 7 | 8 | 7 | 7 | 8 |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 7 | SW 8 | SW 12 | — | SW 11 | SW 11 | — | — | — | — | — | — | — | SW 9 | SW 9 | NW 4 | NW 4 | — | — | — | — | — |
| kJ | 91 | 104 | 110 | 35 | — | 119 | 29 | — | — | — | — | — | — | — | 178 | 162 | 5 | 1 | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | W 14 | WSW 14 | WSW 13 | — | — | — | — | — | — | — | — | — | — | — | — | NW 5 | NW 4 | — | — | — | — | — | — |
| kJ | 4 | 18 | 17 | — | — | — | — | — | — | — | — | — | — | — | — | 18 | 5 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 4 | SE 4 | SE 4 | SSW 7 | SW 4 | SSW 5 | SSW 6 | SW 6 | SW 7 | SW 7 | SW 7 | WSW 5 | WSW 6 | WSW 5 | WNW 5 | — | SW 10 | SW 10 | SW 5 | SW 6 | SW 7 | SW 7 | SW 7 |
| kJ | 18 | 13 | 7 | 86 | 42 | 80 | 114 | 269 | 397 | 362 | 223 | 124 | 179 | 128 | 19 | — | 150 | 204 | 117 | 216 | 337 | 404 | 416 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 245 | 99 | 31 | 31 | 268 | 76 | 76 | 366 | 287 | 98 | 307 | 494 | 472 | 136 | 136 | 76 | 61 | 61 | 197 | 403 | 403 | 197 | 217 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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