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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 am Tuesday 16 Sep 2025 BST
How big are the waves at Whistling Sands (Porth Oer) today?
The current surf forecast for Whistling Sands (Porth Oer) at 11AM is: 1.9m 6s primary swell from a West direction (forecast issued at 06:00am September 16). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 7ft (2.1m) | 6s |
| Afternoon (16 Sep) | 3.5ft (1.1m) | 7s |
| Evening (16 Sep) | 4ft (1.2m) | 5s |
Table - waves today at Whistling Sands (Porth Oer). (Swell directed towards the surf break)
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| 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 | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 6 | 6 | 6 | 7 | 5 | 5 | 6 | 6 | 8 | 8 | 8 | 8 | 7 | 6 | 6 | 8 | 6 | 7 | 7 | 8 | 8 | 8 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 599 | 465 | 301 | 181 | 148 | 56 | 86 | 96 | 0 | 982 | 1029 | 836 | 701 | 449 | 293 | 210 | 308 | 431 | 667 | 784 | 915 | 820 | 676 | 537 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 4:27PM 2.96 | 5:29AM 2.83 | 5:58PM 3.15 | 6:43AM 3.04 | 7:00PM 3.45 | |||||||||||||||||||
Low Tide / height (m) | 11:12AM 1.36 | 12:04AM 1.06 | 12:36PM 1.18 | 1:16AM 0.78 | 1:36PM 0.90 | |||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| Sunrise | - | 6:52 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | 7:32 | - | - | - | - | - | - | - | 7:30 | - | - | - | - | - | - | - | 7:28 | - | - |
 |  | |  |  | |  |  |  |  | | | | | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | 2 | 7 | 7 | - | - | - | - | - | - | 1 | 1 | 1 | - | - | - | - | - |
| Temp. °C | 13 | 13 | 13 | 14 | 15 | 15 | 14 | 13 | 14 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 17 | 16 | 17 | 17 | 16 | 16 | 16 |
| Feels °C (?) | 3 | 5 | 6 | 9 | 10 | 9 | 8 | 7 | 5 | 8 | 9 | 9 | 10 | 9 | 9 | 10 | 12 | 10 | 8 | 9 | 10 | 9 | 10 | 10 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Wales - Lleyn
The wind is still cross-on at Whistling Sands (Porth Oer) (strong winds from the W at Aberdaron 6 km from Whistling Sands (Porth Oer)). 1.5m 6s windswell from the W with a 0.5m 11s groundswell from the WSW. 2 swells combining to make bigger set waves.
1 h 22 min ago
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