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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 am Sunday 10 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
11.8° C
(Which is 1.5°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 4AM is: 0.4m 3s primary swell from a North-northeast direction (forecast issued at 12:00am May 10). An open ocean swell of 0.2m 5s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 1.5ft (0.4m) | 3s |
| Afternoon (10 May) | 2ft (0.6m) | 4s |
| Evening (10 May) | 1.5ft (0.4m) | 3s |
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 12°C on Tue afternoon, min 8°C on Sat night). Winds decreasing (fresh winds from the NNW on Mon morning, light winds from the W by Mon night). | ||||||||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | ||||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
NNE 3 | NNE 3 | NNE 3 | NE 3 | NNE 3 | N 4 | N 4 | NNW 3 | NNW 3 | NW 3 | NW 4 | NNW 5 | NW 4 | NNW 4 | NW 4 | SW 8 | SW 8 | SW 8 | W 3 | WNW 4 | W 4 | WNW 4 | NW 4 | W 18 | |
6 | 4 | 4 | 2 | 2 | 9 | 6 | 2 | 1 | 3 | 20 | 37 | 24 | 12 | 5 | 3 | 3 | 3 | 8 | 18 | 13 | 15 | 7 | 6 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | on | cross-on | cross | cross-on | |
High Tide | 2:58AM2.73m | 3:53PM2.41m | 4:21AM2.77m | 5:16PM2.56m | 5:28AM2.95m | 6:12PM2.82m | ||||||||||||||||||
Low Tide | 10:26AM1.17m | 10:40PM1.32m | 11:32AM1.03m | 11:48PM1.20m | 12:32PM0.80m | |||||||||||||||||||
 | |  | | | | |  | |  |  | |  | | | | | | | | | | | | |
 | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:01 | — | — | — | — | — | — | — | 9:04 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 9 | 8 | 8 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 9 | 9 | 8 | 8 | 8 | 9 | 10 | 9 | 10 | 11 | 12 | 12 |
3 | 1 | 1 | 3 | 4 | 3 | 2 | 4 | 5 | 3 | 2 | -1 | 2 | 2 | 3 | 4 | 5 | 5 | 5 | 3 | 4 | 7 | 7 | 4 | |
Swell 1 Height (m) Direction Period (s) | NNW 6 | NNW 5 | NNW 5 | NNW 4 | NW 4 | — | — | — | — | — | SW 9 | SW 9 | SW 9 | SW 9 | N 5 | WNW 3 | — | SW 8 | SW 9 | SW 9 | SW 8 | SW 8 | NW 4 | NW 4 |
 kJ | 12 | 3 | 2 | 2 | 1 | — | — | — | — | — | 3 | 3 | 3 | 3 | 1 | 1 | — | 3 | 3 | 3 | 3 | 3 | 7 | 5 |
Swell 2 Height (m) Direction Period (s) | — | — | NW 5 | — | — | — | — | — | — | — | — | — | — | — | SW 8 | — | SW 8 | — | — | — | W 18 | — | WSW 4 | SW 8 |
| kJ | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 3 | — | 3 | — | — | — | 7 | — | 1 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 8 | — | — | — | — | — | W 18 | SW 8 | W 18 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | 6 | 3 | 6 |
Wind waves Height (m) Direction Period (s) | NNE 3 | NNE 3 | NNE 3 | NE 3 | NNE 3 | N 4 | N 4 | NNW 3 | NNW 3 | NW 3 | NW 4 | NNW 5 | NW 4 | NNW 4 | NW 4 | — | — | — | W 3 | WNW 4 | W 4 | WNW 4 | — | SW 3 |
| kJ | 6 | 4 | 4 | 2 | 2 | 9 | 6 | 2 | 1 | 3 | 20 | 37 | 24 | 12 | 5 | — | — | — | 8 | 18 | 13 | 15 | — | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 621 | 420 | 308 | 420 | 567 | 298 | 312 | 302 | 211 | 287 | 287 | 273 | 420 | 309 | 309 | 282 | 204 | 204 | 204 | 332 | 332 | 294 | 309 | 307 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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