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Surf Forecasts:
Llangrannog surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 6 am Tuesday 12 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
11.9° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Llangrannog today?
The current surf forecast for Llangrannog at 12PM is: 0.8m 4s primary swell from a West-northwest direction and 0.1m 9s secondary swell from a South direction, 0.1m 18s secondary swell from a West direction (forecast issued at 06:00am May 12). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 2.5ft (0.8m) | 4s |
| Afternoon (12 May) | 2.5ft (0.7m) | 4s |
| Evening (12 May) | 2.5ft (0.7m) | 4s |
Table - waves today at Llangrannog. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Tue night. Very mild (max 12°C on Tue afternoon, min 8°C on Tue night). Winds decreasing (strong winds from the NNW on Wed night, light winds from the N by Thu night). | ||||||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 19 | W 19 | WNW 4 | WNW 4 | NNW 4 | W 18 | W 4 | WNW 5 | WNW 6 | W 17 | W 16 | W 16 | W 16 | WSW 6 | WSW 6 | W 16 | W 16 | W 16 | W 6 | W 5 | W 5 | WSW 5 | N 6 | W 15 | |
7 | 7 | 16 | 21 | 16 | 6 | 12 | 123 | 217 | 6 | 5 | 5 | 5 | 50 | 28 | 5 | 5 | 5 | 23 | 14 | 14 | 9 | 165 | 4 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | cross-on | on | cross-on | cross-on | cross-on | |
High Tide | 4:40AM3.09m | 5:22PM2.97m | 5:39AM3.38m | 6:13PM3.32m | 6:29AM3.71m | 6:58PM3.68m | ||||||||||||||||||
Low Tide | 11:46AM0.93m | 11:59PM1.09m | 12:37PM0.68m | 00:52AM0.85m | 1:25PM0.45m | |||||||||||||||||||
 |  |  |  | | |  |  | |  | | | | |  |  | |  | | | | | | | |
 | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | 5:24 |
 | — | — | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:01 | — | — | — | — | — | — | — | 9:02 | — | 9:05 |
— | — | — | — | — | — | — | — | — | 1 | 1 | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | |
Temp °C | 8 | 9 | 10 | 11 | 11 | 12 | 11 | 9 | 9 | 8 | 9 | 10 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 9 | 9 |
4 | 6 | 5 | 5 | 7 | 8 | 5 | 1 | -1 | -2 | 0 | 1 | 3 | 3 | 0 | -1 | 0 | 0 | 1 | 1 | 2 | 3 | 3 | 5 | |
Swell 1 Height (m) Direction Period (s) | N 4 | SW 9 | S 9 | S 9 | WSW 4 | N 5 | N 5 | — | — | W 17 | W 16 | W 16 | W 16 | WSW 6 | WSW 6 | W 16 | W 16 | W 16 | W 6 | W 5 | W 5 | WSW 5 | WSW 5 | WSW 5 |
 kJ | 3 | 3 | 1 | 1 | 3 | 25 | 20 | — | — | 6 | 5 | 5 | 5 | 50 | 28 | 5 | 5 | 5 | 23 | 14 | 14 | 9 | 5 | 2 |
Swell 2 Height (m) Direction Period (s) | S 9 | W 19 | W 19 | W 18 | SW 8 | WSW 4 | W 18 | — | — | — | — | — | — | SW 16 | W 16 | — | — | — | W 15 | SW 15 | SW 15 | W 15 | W 15 | W 15 |
| kJ | 2 | 7 | 7 | 6 | 3 | 3 | 6 | — | — | — | — | — | — | 10 | 5 | — | — | — | 4 | 8 | 8 | 4 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | W 19 | — | — | — | W 18 | W 18 | S 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 7 | — | — | — | 6 | 6 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NW 3 | WNW 4 | WNW 4 | NNW 4 | — | W 4 | WNW 5 | WNW 6 | WNW 6 | NW 7 | NW 7 | NW 7 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 6 | N 6 | N 6 | N 6 |
| kJ | — | 4 | 16 | 21 | 16 | — | 12 | 123 | 217 | 363 | 421 | 347 | 267 | 175 | 281 | 459 | 615 | 679 | 484 | 349 | 226 | 171 | 165 | 190 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 190 | 190 | 345 | 345 | 355 | 373 | 359 | 348 | 359 | 348 | 721 | 721 | 800 | 962 | 501 | 501 | 222 | 222 | 264 | 266 | 376 | 376 | 46 | 53 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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