Surf Forecasts:
How big are the waves at Porth Dinllaen today (21 Oct):
- Afternoon surf: Afternoon surf (21 Oct, local time) - 8ft (2.4m), 7s period with W swell.
- Evening surf: Evening surf (21 Oct, local time) - 5ft (1.5m), 6s period with W swell.
The current surf forecast for Porth Dinllaen at 9PM is: 1.5m 6s primary swell from a West direction (forecast issued at 06:00pm October 21). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | - | - |
| Afternoon (21 Oct) | 8ft (2.4m) | 7s |
| Evening (21 Oct) | 5ft (1.5m) | 6s |
Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 36mm), heaviest during Fri morning. Very mild (max 13°C on Sat morning, min 9°C on Fri morning). Mainly gales. | |||||||||||||||||||
Wed 21 | Thursday 22 | Friday 23 | |||||||||||||||||
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) | W 7 | W 7 | W 6 | SW 6 | SW 7 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 9 | NW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 501 | 319 | 173 | 83 | 65 | 84 | 142 | 142 | 102 | 82 | 54 | 40 | 60 | 142 | 647 | 778 | 657 | 639 | 512 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross | cross-off | off | cross-off | cross-off | cross-off | on | on | on | on | on | on |
High Tide | 6:25PM2.87m | 6:58AM2.76m | 7:02PM3.13m | 7:29AM3.04m | 7:35PM3.41m | ||||||||||||||
Low Tide | 1:07AM0.91m | 1:19PM1.00m | 1:50AM0.61m | 2:03PM0.73m | |||||||||||||||
 |  | |  |  | |  |  | |  | | | |  |  | | |  | | |
 | — | — | — | — | — | 7:56 | — | — | — | — | — | — | — | 7:56 | — | — | — | — | — |
 | 6:09 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:06 | — | — |
mm | 1 | — | — | 1 | 2 | 1 | — | — | — | — | 1 | 5 | — | 6 | 10 | 2 | 1 | — | — |
Temp °C | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 11 | 12 | 12 | 11 | 11 | 12 | 10 | 9 | 10 | 11 | 11 | 11 |
Feels °C | 0 | 2 | 5 | 8 | 6 | 2 | 5 | 6 | 8 | 6 | 3 | 3 | 9 | 6 | -4 | -4 | -3 | -2 | 0 |
Swell 1 Height (m) Direction Period (s) | — | — | — | SW 6 | SW 7 | SW 8 | SW 8 | NW 4 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 9 | SW 12 | — | — | — | — |
| kJ | — | — | — | 83 | 65 | 84 | 142 | 2 | 102 | 82 | 54 | 40 | 60 | 142 | 303 | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | NW 5 | WNW 4 | — | — | — | NNW 4 | NNW 4 | — | — | S 4 | WSW 16 | WSW 14 | — | — | — | — |
| kJ | — | — | — | 23 | 4 | — | — | — | 1 | 1 | — | — | 10 | 99 | 183 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | NW 5 | — | — | — | — | — | — | — | — | SW 13 | — | — | — | — | — |
| kJ | — | — | — | — | 4 | — | — | — | — | — | — | — | — | 44 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 7 | W 7 | W 6 | — | — | NW 4 | NW 4 | SW 8 | — | SE 2 | ESE 3 | SE 4 | E 4 | NW 3 | NW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 |
| kJ | 501 | 319 | 173 | — | — | 7 | 5 | 142 | — | 1 | 6 | 22 | 2 | 4 | 647 | 778 | 657 | 639 | 512 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 300 | 308 | 13 | 13 | 13 | 136 | 13 | 136 | 62 | 31 | 282 | 195 | 28 | 13 | 298 | 294 | 315 | 626 | 265 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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