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Surf Forecasts:
Llangrannog surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 am Thursday 21 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
12.4° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Llangrannog today?
The current surf forecast for Llangrannog at 3AM is: 1.1m 8s primary swell from a Southwest direction and 0.5m 11s secondary swell from a West-southwest direction (forecast issued at 12:00am May 21). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 3.5ft (1.0m) | 8s |
| Afternoon (21 May) | 3ft (0.9m) | 8s |
| Evening (21 May) | 2.5ft (0.7m) | 9s |
Table - waves today at Llangrannog. (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 18°C on Thu afternoon, min 12°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
WSW 11 | SW 8 | SW 7 | SW 8 | WSW 8 | SW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 10 | SW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | |
183 | 131 | 118 | 110 | 103 | 91 | 86 | 70 | 78 | 117 | 139 | 200 | 133 | 183 | 180 | 138 | 118 | 90 | 86 | 77 | 55 | 54 | 50 | 49 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross-on | on | glassy | glassy | |
High Tide | 11:29PM4.07m | 12:00PM3.54m | 00:23AM3.80m | 12:58PM3.19m | 1:24AM3.53m | 2:06PM2.92m | ||||||||||||||||||
Low Tide | 6:54AM0.47m | 7:08PM0.87m | 7:56AM0.64m | 8:09PM1.04m | 9:02AM0.78m | 9:15PM1.15m | ||||||||||||||||||
 |  |  | |  | | | |  | | | | | | |  | | |  | | | | | | |
 | — | 5:15 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:14 | — | — | — | — | — | — | — | 9:15 | — | — | — | — | — | — | — | 9:16 | — |
— | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 13 | 13 | 15 | 17 | 18 | 17 | 15 | 15 | 14 | 14 | 15 | 18 | 18 | 17 | 15 | 14 | 14 | 13 | 15 | 17 | 16 | 15 | 15 |
7 | 8 | 8 | 11 | 14 | 15 | 15 | 11 | 11 | 10 | 12 | 12 | 16 | 16 | 16 | 14 | 13 | 13 | 13 | 15 | 16 | 15 | 14 | 15 | |
Swell 1 Height (m) Direction Period (s) | WSW 11 | WSW 11 | WSW 11 | SW 8 | — | W 15 | WSW 8 | WSW 9 | WSW 9 | WSW 10 | SW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 |
 kJ | 183 | 40 | 24 | 64 | — | 4 | 86 | 70 | 78 | 117 | 139 | 200 | 133 | 183 | 180 | 138 | 118 | 90 | 86 | 77 | 55 | 54 | 50 | 49 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | W 15 | W 15 | W 15 | — | — | — | — | — | — | — | — | W 3 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 4 | 4 | 4 | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 3 | SW 8 | SW 7 | SW 8 | WSW 8 | SW 8 | — | — | S 3 | SSE 3 | — | — | SSW 3 | — | — | — | WSW 3 | — | — | — | — | — | — | — |
| kJ | 5 | 131 | 118 | 110 | 103 | 91 | — | — | 7 | 3 | — | — | 1 | — | — | — | 1 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 25 | 131 | 131 | 131 | 62 | 64 | 64 | 57 | 62 | 53 | 18 | 25 | 62 | 0 | 0 | 0 | 0 | 0 | 0 | 57 | 57 | 57 | 57 | 55 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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