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Surf Forecasts:
Llangrannog surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 am Monday 11 May 2026 BSTForecast update in hr min s Forecast update imminent
Llangrannog surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Llangrannog sea temperature is
11.7° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Llangrannog today?
The current surf forecast for Llangrannog at 6AM is: 0.9m 4s primary swell from a North-northwest direction (forecast issued at 12:00am May 11). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 3.5ft (1.0m) | 5s |
| Afternoon (11 May) | 4.5ft (1.3m) | 6s |
| Evening (11 May) | 4.5ft (1.3m) | 6s |
Table - waves today at Llangrannog. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Tue night. Very mild (max 12°C on Tue afternoon, min 8°C on Mon night). Winds increasing (light winds from the WNW on Tue afternoon, strong winds from the WNW by Wed morning). | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
N 5 | NNW 4 | NNW 4 | NNW 5 | NNW 6 | NNW 6 | N 6 | N 6 | S 9 | W 19 | W 19 | W 19 | NW 4 | NNW 5 | W 18 | W 18 | NW 5 | WNW 5 | WNW 6 | WNW 6 | W 16 | SW 16 | NNW 6 | WSW 6 | |
37 | 17 | 25 | 50 | 109 | 109 | 146 | 72 | 1 | 7 | 7 | 8 | 12 | 17 | 6 | 6 | 62 | 99 | 180 | 275 | 5 | 10 | 127 | 30 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | on | cross | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | |
High Tide | 3:25AM2.90m | 4:16PM2.68m | 4:40AM3.09m | 5:22PM2.97m | 5:39AM3.38m | 6:13PM3.32m | ||||||||||||||||||
Low Tide | 10:48AM1.16m | 11:00PM1.29m | 11:46AM0.93m | 11:59PM1.09m | 12:37PM0.68m | |||||||||||||||||||
 |  |  | |  | | |  | | | | | | | | | | |  | |  | |  |  | |
 | — | 5:30 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:58 | — | — | — | — | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:01 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 1 | 1 | 1 | |
Temp °C | 9 | 9 | 9 | 10 | 9 | 11 | 9 | 8 | 8 | 8 | 8 | 10 | 11 | 11 | 12 | 11 | 9 | 9 | 9 | 9 | 10 | 11 | 10 | 10 |
4 | 4 | 3 | 3 | 3 | 6 | 2 | 4 | 4 | 4 | 4 | 5 | 6 | 8 | 8 | 6 | 1 | 1 | 0 | 0 | 2 | 4 | 2 | 2 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | N 5 | NNW 4 | N 4 | S 9 | S 9 | W 4 | N 5 | N 5 | W 18 | W 18 | W 17 | W 16 | W 16 | SW 16 | WSW 7 | WSW 6 |
 kJ | — | — | — | — | — | — | — | — | 24 | 7 | 3 | 1 | 1 | 3 | 19 | 13 | 6 | 6 | 6 | 5 | 5 | 10 | 45 | 30 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | S 9 | S 9 | SW 9 | W 19 | W 18 | W 18 | W 3 | W 18 | S 8 | — | — | — | — | — | SW 16 | W 16 |
| kJ | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 7 | 6 | 6 | 1 | 6 | 1 | — | — | — | — | — | 10 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 19 | W 19 | — | — | S 8 | W 18 | S 8 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 7 | 7 | — | — | 1 | 6 | 1 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 5 | NNW 4 | NNW 4 | NNW 5 | NNW 6 | NNW 6 | N 6 | N 6 | — | — | WNW 3 | WNW 3 | NW 4 | NNW 5 | — | W 3 | NW 5 | WNW 5 | WNW 6 | WNW 6 | NW 6 | NW 6 | NNW 6 | NNW 6 |
| kJ | 37 | 17 | 25 | 50 | 109 | 109 | 146 | 72 | — | — | 1 | 8 | 12 | 17 | — | 3 | 62 | 99 | 180 | 275 | 269 | 201 | 127 | 237 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 125 | 152 | 202 | 372 | 53 | 376 | 376 | 64 | 190 | 181 | 190 | 352 | 419 | 359 | 379 | 359 | 345 | 364 | 708 | 720 | 994 | 1248 | 925 | 433 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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