Surf Forecasts:
How big are the waves at Porth Dinllaen today (15 Oct):
- Morning surf: Morning surf (15 Oct, local time) - 8ft (2.4m), 8s period with SW swell.
- Afternoon surf: Afternoon surf (15 Oct, local time) - 7.5ft (2.3m), 8s period with SW swell.
- Evening surf: Evening surf (15 Oct, local time) - 3.5ft (1.0m), 8s period with SW swell.
The current surf forecast for Porth Dinllaen at 6PM is: 1.3m 8s primary swell from a Southwest direction and 0.2m 14s secondary swell from a West-southwest direction (forecast issued at 12:00pm October 15). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Oct) | 8ft (2.4m) | 8s |
| Afternoon (15 Oct) | 7.5ft (2.3m) | 8s |
| Evening (15 Oct) | 3.5ft (1.0m) | 8s |
Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Thu afternoon. Very mild (max 15°C on Thu morning, min 9°C on Sat night). Winds decreasing (strong winds from the SSW on Thu morning, calm by Sat night). | |||||||||||||||||||||
Thu 15 | Friday 16 | Saturday 17 | |||||||||||||||||||
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 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | NW 5 | NW 5 | NW 5 | NW 5 | NW 5 | NW 5 | NNW 5 | NNW 5 | WSW 7 | NW 4 | SW 7 | SW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 684 | 598 | 223 | 155 | 88 | 71 | 46 | 35 | 27 | 41 | 35 | 25 | 33 | 38 | 27 | 22 | 15 | 4 | 3 | 2 | 2 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off |
High Tide | 11:46AM3.42m | 00:09AM3.15m | 12:23PM3.16m | 00:47AM2.84m | 1:04PM2.89m | ||||||||||||||||
Low Tide | 6:46PM0.76m | 6:57AM1.04m | 7:27PM1.01m | 7:39AM1.27m | 8:21PM1.24m | ||||||||||||||||
 |  | |  | |  |  | |  | | | | | | | | | | | | | |
 | 7:43 | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — |
 | — | — | 6:23 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:19 | — | — |
mm | — | 2 | 3 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 12 | 11 | 12 | 13 | 12 | 12 | 11 | 11 | 12 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 12 | 11 | 10 |
Feels °C | 8 | 10 | 9 | 7 | 9 | 9 | 6 | 6 | 4 | 4 | 5 | 6 | 5 | 5 | 7 | 7 | 7 | 7 | 8 | 7 | 7 |
Swell 1 Height (m) Direction Period (s) | — | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 | WSW 6 | WSW 7 | NW 5 | NW 4 | NNW 4 | SW 6 |
| kJ | — | 395 | 223 | 155 | 88 | 71 | 46 | 35 | 27 | 18 | 17 | 12 | 11 | 7 | 7 | 4 | 4 | 5 | 3 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | — | WSW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 12 | W 12 | WSW 7 | SW 7 | SW 7 | — |
| kJ | — | 21 | 19 | 18 | 17 | 18 | 32 | 16 | 15 | 14 | 14 | 14 | 14 | 6 | 5 | 5 | 3 | 4 | 2 | 2 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 4 | — | — | — | — | — | — | — | W 11 | W 11 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | 2 | 2 | — | — |
Wind waves Height (m) Direction Period (s) | SW 8 | SW 8 | — | — | NW 3 | NW 3 | WNW 4 | WNW 4 | NW 4 | NW 5 | NW 5 | NW 5 | NW 5 | NW 5 | NW 5 | NNW 5 | NNW 5 | — | — | — | — |
| kJ | 684 | 598 | — | — | 6 | 2 | 8 | 11 | 18 | 41 | 35 | 25 | 33 | 38 | 27 | 22 | 15 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 98 | 98 | 17 | 17 | 17 | 41 | 142 | 25 | 136 | 157 | 157 | 136 | 141 | 141 | 47 | 141 | 141 | 141 | 141 | 141 | 127 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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