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Surf Forecasts:
Llangrannog surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 pm 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
12.5° 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 5PM is: 0.9m 8s primary swell from a West-southwest direction and 0.1m 15s secondary swell from a West direction (forecast issued at 12:00pm May 21). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 3.5ft (1.1m) | 7s |
| Afternoon (21 May) | 3ft (0.9m) | 8s |
| Evening (21 May) | 2.5ft (0.8m) | 9s |
Table - waves today at Llangrannog. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Fri morning, min 13°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 8 | SW 8 | WSW 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 | WSW 9 | WSW 9 | WSW 9 | |
125 | 116 | 106 | 84 | 70 | 76 | 105 | 139 | 200 | 183 | 133 | 180 | 138 | 118 | 90 | 88 | 77 | 55 | 54 | 50 | 34 | 48 | 32 | 31 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | off | 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 | glassy | glassy | glassy | |
High Tide | 12:00PM3.54m | 00:23AM3.80m | 12:58PM3.19m | 1:24AM3.53m | 2:06PM2.92m | 2:35AM3.32m | ||||||||||||||||||
Low Tide | 7:08PM0.87m | 7:56AM0.64m | 8:09PM1.04m | 9:02AM0.78m | 9:15PM1.15m | |||||||||||||||||||
 |  | | |  |  |  | | |  | | | | | | | | | | | | | | | |
 | 5:15 | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:11 | — |
 | — | — | — | 9:14 | — | — | — | — | — | — | — | 9:15 | — | — | — | — | — | — | — | 9:16 | — | — | — | 9:17 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 16 | 17 | 17 | 15 | 15 | 14 | 14 | 16 | 18 | 18 | 17 | 15 | 14 | 14 | 13 | 15 | 17 | 17 | 15 | 15 | 14 | 14 | 14 |
11 | 13 | 14 | 16 | 11 | 10 | 10 | 11 | 13 | 16 | 16 | 17 | 14 | 12 | 13 | 13 | 15 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | |
Swell 1 Height (m) Direction Period (s) | — | — | 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 | WSW 9 | WSW 9 | WSW 9 |
 kJ | — | — | 4 | 84 | 70 | 76 | 105 | 139 | 200 | 183 | 133 | 180 | 138 | 118 | 90 | 88 | 77 | 55 | 54 | 50 | 34 | 48 | 32 | 31 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 15 | W 15 | W 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 3 | W 14 | W 15 | W 15 |
| kJ | — | — | — | 4 | 4 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 8 | SW 8 | WSW 8 | — | — | S 3 | SSE 3 | — | S 2 | SSW 3 | SW 3 | SW 3 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 125 | 116 | 106 | — | — | 4 | 3 | — | 1 | 1 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 113 | 62 | 64 | 0 | 57 | 0 | 62 | 25 | 62 | 62 | 0 | 0 | 0 | 0 | 0 | 0 | 57 | 57 | 57 | 57 | 55 | 55 | 55 | 55 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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