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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 6 pm Wednesday 06 May 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
11.6° C
(Which is 1.6°C warmer than normal for this time of year)| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 May) | - | - |
| Afternoon (07 May) | - | - |
| Evening (07 May) | 0.5ft (0.1m) | 8s |
Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Fri night. Very mild (max 12°C on Fri afternoon, min 9°C on Fri night). Winds increasing (calm on Wed afternoon, fresh winds from the S by Thu morning). | ||||||||||||||||||||||||
Wed 6 | Thursday 7 | Friday 8 | Sat 9 | |||||||||||||||||||||
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 | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
— | — | — | — | — | — | S 3 | SSW 4 | W 8 | W 8 | W 8 | SW 4 | W 8 | SW 4 | SW 4 | SW 4 | WSW 3 | — | N 3 | N 4 | N 5 | N 5 | N 5 | NNW 5 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 5 | 1 | 2 | 3 | 2 | 1 | 0 | 2 | 9 | 25 | 20 | 20 | 15 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | glassy | glassy | cross-off | cross-off | off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross | |
High Tide | 00:15AM3.19m | 12:37PM2.83m | 00:56AM3.00m | 1:22PM2.61m | 1:48AM2.83m | |||||||||||||||||||
Low Tide | 6:55PM1.00m | 7:29AM0.96m | 7:39PM1.15m | 8:20AM1.12m | 8:30PM1.27m | 9:20AM1.20m | ||||||||||||||||||
 | |  |  | |  |  | | | |  | | | | | | | | |  | | | | | |
 | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — |
 | — | 8:52 | — | — | — | — | — | — | — | 8:54 | — | — | — | — | — | — | — | 8:57 | — | — | — | — | — | 8:59 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | |
Temp °C | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 9 | 10 | 12 |
7 | 8 | 8 | 7 | 7 | 5 | 3 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 4 | 5 | 8 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 8 | W 8 | W 8 | W 8 | W 8 | SW 4 | SW 4 | SW 4 | WSW 3 | — | — | — | — | NW 5 | — | — |
 kJ | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 2 | 1 | — | — | — | — | 7 | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 8 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | S 3 | SSW 4 | SSW 4 | SW 4 | SW 4 | SW 4 | SW 4 | — | — | — | — | — | N 3 | N 4 | N 5 | N 5 | N 5 | NNW 5 |
| kJ | — | — | — | — | — | — | 5 | 16 | 6 | 3 | 3 | 5 | 7 | — | — | — | — | — | 2 | 9 | 25 | 20 | 20 | 15 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 285 | 285 | 300 | 298 | 298 | 298 | 307 | 307 | 287 | 282 | 287 | 282 | 282 | 287 | 269 | 299 | 302 | 264 | 264 | 232 | 229 | 232 | 229 | 215 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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