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Dinas Dinlle Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Dinas Dinlle surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 12 pm Wednesday 20 May 2026 BSTForecast update in hr min s Forecast update imminent
Dinas Dinlle surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dinas Dinlle sea temperature is
12.1° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Dinas Dinlle today?
The current surf forecast for Dinas Dinlle at 8PM is: 1.3m 6s primary swell from a Southwest direction (forecast issued at 12:00pm May 20). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 5.5ft (1.7m) | 6s |
| Afternoon (20 May) | 5ft (1.6m) | 6s |
| Evening (20 May) | 4.5ft (1.3m) | 6s |
Table - waves today at Dinas Dinlle. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Wed night. Very mild (max 16°C on Thu afternoon, min 11°C on Wed night). Winds decreasing (fresh winds from the SW on Wed morning, light winds from the SSE by Fri night). | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SSW 5 | SW 6 | SW 6 | SW 6 | SW 6 | SW 7 | SW 7 | SW 7 | SSW 5 | SSW 6 | SW 6 | SW 7 | SW 7 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | |
185 | 219 | 193 | 128 | 92 | 95 | 83 | 142 | 135 | 109 | 88 | 77 | 60 | 54 | 29 | 53 | 54 | 75 | 64 | 160 | 151 | 145 | 48 | 48 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross | cross | cross | cross | cross-off | |
High Tide | 11:49AM3.56m | 00:09AM3.76m | 12:43PM3.24m | 1:05AM3.54m | 1:45PM2.93m | 2:09AM3.32m | ||||||||||||||||||
Low Tide | 7:00PM0.48m | 7:37AM0.24m | 7:54PM0.68m | 8:37AM0.41m | 8:53PM0.87m | |||||||||||||||||||
 |  |  | |  | |  | | | | | | | |  | | | | | | | | | | |
 | 5:11 | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:07 | — |
 | — | — | — | 9:15 | — | — | — | — | — | — | — | 9:17 | — | — | — | — | — | — | — | 9:19 | — | — | — | 9:21 |
— | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 13 | 14 | 12 | 12 | 11 | 12 | 13 | 14 | 15 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 16 | 16 | 15 | 13 | 13 | 13 | 13 |
7 | 7 | 8 | 8 | 9 | 7 | 8 | 9 | 10 | 11 | 12 | 14 | 15 | 14 | 13 | 13 | 12 | 13 | 13 | 12 | 11 | 11 | 12 | 12 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | WSW 9 | SW 10 | SW 9 | — | — | — | W 15 | SW 7 | SW 7 | SW 7 | SW 8 | WSW 9 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 |
 kJ | — | — | — | — | 33 | 24 | 21 | — | — | — | 4 | 77 | 60 | 54 | 29 | 17 | 24 | 27 | 28 | 160 | 151 | 145 | 48 | 48 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | WSW 8 | — | — | — | — | — | W 15 | W 15 | W 15 | W 14 | WSW 8 | SW 8 | — | — | — | SW 4 | SW 4 | SW 4 | SW 4 |
| kJ | — | — | — | — | — | 27 | — | — | — | — | — | 4 | 4 | 4 | 4 | 6 | 16 | — | — | — | 4 | 4 | 4 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SSW 5 | SW 6 | SW 6 | SW 6 | SW 6 | — | — | SE 3 | SSW 5 | SSW 6 | SW 6 | SW 7 | SW 7 | — | — | — | SW 4 | — |
| kJ | 185 | 219 | 193 | 128 | 92 | 95 | 83 | 142 | 135 | 109 | 88 | — | — | 2 | 25 | 53 | 54 | 75 | 64 | — | — | — | 11 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 273 | 348 | 261 | 260 | 72 | 89 | 181 | 234 | 210 | 164 | 167 | 167 | 141 | 31 | 56 | 31 | 164 | 32 | 89 | 56 | 32 | 32 | 32 | 56 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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