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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 6 pm Sunday 10 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
10.9° C
(Which is slightly warmer than usual)How big are the waves at Whistling Sands (Porth Oer) today?
The current surf forecast for Whistling Sands (Porth Oer) at 12AM is: 0.5m 4s primary swell from a North direction (forecast issued at 06:00pm May 10). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 4.5ft (1.4m) | 5s |
| Afternoon (11 May) | 4ft (1.2m) | 5s |
| Evening (11 May) | 2.5ft (0.8m) | 5s |
Table - waves today at Whistling Sands (Porth Oer). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Mon morning. Very mild (max 12°C on Tue afternoon, min 8°C on Mon morning). Winds increasing (light winds from the N on Mon night, strong winds from the WNW by Wed morning). | ||||||||||||||||||||||||
Sun 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
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 | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
N 5 | N 4 | N 4 | N 3 | NNW 3 | NW 4 | NNW 5 | NNW 6 | N 5 | N 5 | SW 8 | SSW 8 | SSW 9 | SSW 9 | SSW 8 | NW 4 | NNW 5 | SW 18 | SW 18 | NW 4 | WNW 5 | W 6 | WNW 6 | WNW 6 | |
63 | 40 | 15 | 4 | 7 | 46 | 117 | 80 | 78 | 28 | 3 | 7 | 7 | 7 | 7 | 21 | 33 | 12 | 12 | 36 | 91 | 177 | 263 | 258 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | on | on | on | |
High Tide | 3:24PM2.61m | 3:55AM2.97m | 4:46PM2.75m | 5:05AM3.16m | 5:47PM3.03m | 6:00AM3.43m | ||||||||||||||||||
Low Tide | 10:16PM1.42m | 11:09AM1.14m | 11:24PM1.29m | 12:08PM0.91m | 00:24AM1.09m | 1:00PM0.65m | ||||||||||||||||||
 | |  | |  |  |  | | | |  | | | | | | | | | | | |  | | |
 | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:24 | — | — | — |
 | — | 9:00 | — | — | — | — | — | — | — | 9:01 | — | — | — | — | — | — | — | 9:04 | — | — | — | — | — | 9:05 |
— | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | |
Temp °C | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 9 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 11 | 12 | 12 | 9 | 9 | 9 | 9 | 10 |
1 | 2 | 3 | 4 | 2 | 1 | -1 | 2 | 0 | 3 | 5 | 3 | 4 | 4 | 3 | 4 | 7 | 6 | 4 | 0 | 0 | -1 | -2 | 1 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | N 4 | N 4 | N 4 | N 5 | NNW 5 | SSW 8 | WSW 4 | NNW 5 | N 5 | SSW 8 | SSW 8 | SW 17 | SW 16 | SW 16 |
 kJ | — | — | — | — | 3 | 3 | 3 | 3 | 3 | 3 | 10 | 3 | 2 | 5 | 7 | 7 | 3 | 27 | 13 | 6 | 6 | 12 | 11 | 10 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SW 8 | SSW 8 | SSW 9 | SSW 9 | SSW 8 | — | SSW 8 | SSW 8 | SSW 8 | SW 18 | SW 18 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 3 | 7 | 7 | 7 | 7 | — | 7 | 7 | 7 | 12 | 12 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 18 | W 18 | SW 18 | SW 18 | — | SW 18 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 6 | 12 | 12 | — | 12 | — | — | — |
Wind waves Height (m) Direction Period (s) | N 5 | N 4 | N 4 | N 3 | NNW 3 | NW 4 | NNW 5 | NNW 6 | N 5 | N 5 | — | — | — | W 3 | W 3 | NW 4 | NNW 5 | WSW 3 | WSW 3 | NW 4 | WNW 5 | W 6 | WNW 6 | WNW 6 |
| kJ | 63 | 40 | 15 | 4 | 7 | 46 | 117 | 80 | 78 | 28 | — | — | — | 2 | 3 | 21 | 33 | 1 | 3 | 36 | 91 | 177 | 263 | 258 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 314 | 323 | 332 | 284 | 279 | 279 | 377 | 301 | 311 | 310 | 292 | 179 | 179 | 297 | 328 | 308 | 323 | 323 | 323 | 324 | 326 | 562 | 1029 | 1029 |
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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