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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 Saturday 16 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 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 8PM is: 0.7m 4s primary swell from a Southwest direction and 0.1m 13s secondary swell from a Southwest direction (forecast issued at 12:00pm May 16). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 0.5ft (0.1m) | 13s |
| Afternoon (16 May) | 2ft (0.6m) | 4s |
| Evening (16 May) | 2.5ft (0.8m) | 4s |
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 14mm), heaviest on Mon night. Very mild (max 12°C on Mon night, min 9°C on Sat night). Winds increasing (light winds from the W on Sun night, strong winds from the SSE by Mon night). | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 13 | WSW 4 | SW 4 | SW 4 | WSW 4 | W 4 | W 4 | W 5 | W 5 | WSW 5 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 5 | SSW 6 | |
7 | 8 | 12 | 14 | 20 | 27 | 40 | 53 | 45 | 39 | 84 | 167 | 147 | 112 | 78 | 70 | 49 | 31 | 23 | 17 | 13 | 5 | 19 | 176 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | cross | on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross-off | cross-off | off | cross-off | off | cross-off | cross-off | |
High Tide | 8:21AM4.20m | 8:45PM4.18m | 9:07AM4.30m | 9:29PM4.30m | 9:53AM4.27m | 10:14PM4.31m | ||||||||||||||||||
Low Tide | 3:19PM0.13m | 3:41AM0.15m | 4:05PM0.12m | 4:30AM0.06m | 4:52PM0.21m | 5:20AM0.08m | ||||||||||||||||||
 | | |  |  |  |  |  | | | | | | | |  | | | | | |  |  | | |
 | 5:20 | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — |
 | — | — | — | 9:09 | — | — | — | — | — | — | — | 9:12 | — | — | — | — | — | — | — | 9:13 | — | — | — | 9:15 |
1 | 1 | 1 | — | 1 | — | — | — | 1 | — | — | — | — | 1 | — | — | — | — | — | — | — | 1 | 6 | 1 | |
Temp °C | 10 | 10 | 10 | 11 | 11 | 10 | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 11 | 11 | 11 | 11 | 12 |
6 | 5 | 5 | 7 | 5 | 3 | 3 | 3 | 3 | 3 | 2 | 3 | 3 | 4 | 6 | 7 | 6 | 5 | 7 | 7 | 5 | 4 | 2 | 5 | |
Swell 1 Height (m) Direction Period (s) | N 5 | N 5 | N 4 | — | SW 13 | SW 13 | SW 13 | W 13 | SW 12 | NW 4 | NNW 4 | — | W 12 | W 12 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | SW 5 | — |
 kJ | 4 | 2 | 2 | — | 7 | 7 | 7 | 3 | 6 | 5 | 2 | — | 3 | 3 | 78 | 70 | 49 | 31 | 23 | 17 | 13 | 4 | 19 | — |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | — | — | — | — | — | SW 12 | — | — | — | — | W 13 | NW 4 | WNW 3 | — | — | — | W 10 | SW 6 | — | — |
| kJ | 7 | 7 | 7 | 7 | — | — | — | — | — | 6 | — | — | — | — | 4 | 3 | 1 | — | — | — | 2 | 5 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 3 | WSW 4 | SW 4 | SW 4 | WSW 4 | W 4 | W 4 | W 5 | W 5 | WSW 5 | SW 5 | SW 6 | SW 6 | SW 6 | NW 4 | NW 4 | — | — | — | — | S 3 | S 4 | S 5 | SSW 6 |
| kJ | 3 | 8 | 12 | 14 | 20 | 27 | 40 | 53 | 45 | 39 | 84 | 167 | 147 | 112 | 2 | 2 | — | — | — | — | 2 | 23 | 72 | 176 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 310 | 288 | 292 | 314 | 292 | 292 | 292 | 147 | 292 | 292 | 278 | 278 | 281 | 15 | 8 | 15 | 15 | 207 | 207 | 163 | 291 | 291 | 298 | 298 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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