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Porth Dinllaen Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Porth Dinllaen surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 12 pm Saturday 25 Apr 2026 BSTForecast update in hr min s Forecast update imminent
Porth Dinllaen surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Dinllaen sea temperature is
10.5° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Porth Dinllaen today?
The current surf forecast for Porth Dinllaen at 3PM is: 0.6m 10s primary swell from a West-southwest direction (forecast issued at 12:00pm April 25). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | 2ft (0.6m) | 10s |
| Afternoon (25 Apr) | 2ft (0.6m) | 10s |
| Evening (25 Apr) | 1.5ft (0.5m) | 10s |
Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 15°C on Sat morning, min 11°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 25 | Sunday 26 | Monday 27 | Tue 28 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 11 | SW 10 | WSW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 8 | WSW 7 | WSW 8 | WSW 8 | |
90 | 89 | 69 | 49 | 47 | 45 | 41 | 29 | 28 | 20 | 19 | 18 | 17 | 17 | 17 | 17 | 10 | 10 | 9 | 6 | 6 | 5 | 6 | 6 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross | on | on | glassy | cross-off | off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | |
High Tide | 4:57PM2.61m | 5:17AM3.03m | 6:15PM2.76m | 6:23AM3.19m | 7:05PM2.96m | |||||||||||||||||||
Low Tide | 11:20AM0.80m | 11:45PM1.12m | 12:34PM0.66m | 00:54AM0.94m | 1:33PM0.48m | 1:49AM0.73m | ||||||||||||||||||
 | | | |  |  | |  | | |  | | |  | | | | | | | | | | | |
 | 5:58 | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — |
 | — | — | — | 8:34 | — | — | — | — | — | — | — | 8:36 | — | — | — | — | — | — | — | 8:37 | — | — | — | 8:39 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 13 | 12 | 11 | 11 | 11 | 12 |
12 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 10 | 10 | 12 | 9 | 7 | 8 | 7 | 7 | 8 | 8 | 9 | |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 10 | WSW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 8 | NNW 4 | NNW 5 | NNW 5 |
 kJ | 90 | 89 | 69 | 49 | 47 | 45 | 41 | 29 | 28 | 20 | 19 | 18 | 17 | 17 | 17 | 17 | 10 | 10 | 9 | 6 | 6 | 4 | 5 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 7 | WSW 8 | WSW 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 9 | NW 5 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 3 | NNW 3 | NNW 3 | N 3 | NNW 3 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 4 | 6 | 5 | 3 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 28 | 13 | 13 | 13 | 13 | 14 | 120 | 120 | 120 | 120 | 150 | 141 | 127 | 120 | 120 | 127 | 141 | 145 | 309 | 309 | 239 | 150 | 150 | 148 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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