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Whistling Sands (Porth Oer) Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Whistling Sands (Porth Oer) surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 12 pm Sunday 17 May 2026 BSTForecast update in hr min s Forecast update imminent
Whistling Sands (Porth Oer) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Whistling Sands (Porth Oer) sea temperature is
10.8° C
(Which is normal for this time of year)How big are the waves at Whistling Sands (Porth Oer) today?
The current surf forecast for Whistling Sands (Porth Oer) at 7PM is: 1.2m 5s primary swell from a Southwest direction and 0.1m 12s secondary swell from a West direction (forecast issued at 12:00pm May 17). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 3.5ft (1.0m) | 5s |
| Afternoon (17 May) | 3.5ft (1.0m) | 5s |
| Evening (17 May) | 3.5ft (1.1m) | 6s |
Table - waves today at Whistling Sands (Porth Oer). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 19mm), heaviest on Mon night. Very mild (max 12°C on Mon night, min 8°C on Sun afternoon). Winds increasing (light winds from the SW on Mon morning, strong winds from the SW by Tue afternoon). | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 5 | SW 5 | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 5 | SW 6 | SSW 7 | SSW 7 | SW 7 | SW 7 | SW 7 | SW 8 | SW 8 | SW 9 | SW 9 | |
44 | 28 | 59 | 85 | 69 | 89 | 91 | 70 | 59 | 42 | 31 | 30 | 12 | 24 | 56 | 241 | 216 | 374 | 606 | 658 | 908 | 929 | 993 | 780 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross | cross | cross | |
High Tide | 9:07AM4.30m | 9:29PM4.30m | 9:53AM4.27m | 10:14PM4.31m | 10:41AM4.11m | 11:01PM4.22m | ||||||||||||||||||
Low Tide | 4:05PM0.12m | 4:30AM0.06m | 4:52PM0.21m | 5:20AM0.08m | 5:41PM0.37m | 6:14AM0.19m | ||||||||||||||||||
 | |  |  |  |  |  |  | | | | | | | | | | |  | | | | | | |
 | 5:18 | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:13 | — |
 | — | — | — | 9:12 | — | — | — | — | — | — | — | 9:13 | — | — | — | — | — | — | — | 9:15 | — | — | — | 9:15 |
— | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | 1 | 2 | 4 | 3 | — | — | — | — | 3 | 1 | 1 | — | |
Temp °C | 9 | 10 | 8 | 9 | 10 | 9 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 12 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 11 |
3 | 3 | 3 | 4 | 5 | 3 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 3 | 2 | 6 | 4 | 4 | 3 | 3 | 4 | 4 | 5 | 4 | |
Swell 1 Height (m) Direction Period (s) | SW 12 | NW 4 | NNW 4 | W 12 | W 12 | W 14 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | — | SW 6 | SW 5 | SW 6 | — | — | — | — | — | — | — | — | — |
 kJ | 6 | 7 | 2 | 3 | 3 | 4 | 91 | 70 | 59 | 42 | 31 | — | 12 | 24 | 56 | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | W 12 | — | — | — | — | W 13 | — | NW 3 | WNW 3 | — | W 10 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 3 | — | — | — | — | 3 | — | 2 | 1 | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | W 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 5 | SW 5 | SW 5 | SW 5 | SW 6 | SW 6 | WSW 6 | NW 3 | — | — | — | SW 6 | SSW 4 | S 5 | S 6 | SSW 7 | SSW 7 | SW 7 | SW 7 | SW 7 | SW 8 | SW 8 | SW 9 | SW 9 |
| kJ | 44 | 28 | 59 | 85 | 69 | 89 | 90 | 2 | — | — | — | 30 | 11 | 73 | 191 | 241 | 216 | 374 | 606 | 658 | 908 | 929 | 993 | 780 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 314 | 292 | 281 | 288 | 281 | 281 | 15 | 15 | 15 | 15 | 251 | 241 | 291 | 298 | 298 | 298 | 291 | 339 | 329 | 309 | 314 | 288 | 339 | 292 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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