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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 11 pm Thursday 04 Dec 2025 GMTForecast 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
12.1° C
(Which is 1.2°C warmer than 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 1AM is: 1.1m 9s primary swell from a Southwest direction and 0.4m 15s secondary swell from a Southwest direction (forecast issued at 11:00pm December 04). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Dec) | 2.5ft (0.8m) | 8s |
| Afternoon (05 Dec) | 11ft (3.5m) | 7s |
| Evening (05 Dec) | 11ft (3.5m) | 9s |
Table - waves today at Whistling Sands (Porth Oer). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 05 | Saturday 06 | Sunday 07 | ||||||||||||||||||||||
| 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 9 | 9 | 10 | 10 | 11 | 12 | 16 | 11 | 11 | 11 | 9 | 10 | 10 | 10 | 9 | 9 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 194 | 172 | 189 | 232 | 84 | 593 | 1281 | 1835 | 1756 | 1831 | 2284 | 3182 | 2348 | 4966 | 3046 | 2556 | 2223 | 1263 | 853 | 489 | 391 | 222 | 188 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- off | cross- off | cross- off | off | cross- off | cross | cross- off | cross | cross | cross | cross- on | cross | cross- on | cross- on | cross | cross | off | off | off | cross- off | cross- on |
High Tide / height (m) | 7:27PM 4.19 | 7:50AM 4.26 | 8:15PM 4.21 | 8:36AM 4.34 | 9:03PM 4.12 | 9:23AM 4.33 | ||||||||||||||||||
Low Tide / height (m) | 2:27AM 0.17 | 2:54PM 0.05 | 3:15AM 0.18 | 3:44PM -0.00 | 4:03AM 0.27 | 4:35PM 0.05 | ||||||||||||||||||
Friday 05 | Saturday 06 | Sunday 07 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:12 | - | - | - | - | - | - | - | 8:14 | - | - | - | - | - | - | - | 8:15 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:04 | - | - | - | - | - | - | - | 4:04 | - | - | - | - | - | - | - | 4:04 | - |
 |  |  | |  | | |  | |  | | | |  | | |  | | | | | | | | |
Rain (mm) | - | - | 1 | 1 | 1 | 1 | 4 | 9 | 2 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | - | - | - | - | 1 | 5 | 5 | 2 |
| Temp. °C | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 13 | 11 |
| Feels °C (?) | 3 | 3 | 4 | 4 | 0 | -4 | -7 | 0 | -2 | 0 | 1 | 1 | 1 | -1 | 1 | 1 | 2 | 3 | 6 | 5 | 3 | 4 | 7 | 3 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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