Whistling Sands (Porth Oer) surfForecast / Wales – Lleyn / UK

information circle16 Day Weather and Surf, issued 12 am Friday 24 Apr 2026 BST
Forecast 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
10.0° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Whistling Sands (Porth Oer) this week:

The surf forecast for Whistling Sands (Porth Oer) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Apr 24) at 10AM. The primary swell is predicted to be 0.9m and 11s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Whistling Sands (Porth Oer) in the next 16 days are 0.9m 11s and forecast to arrive on Friday (Apr 24) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Thursday (Apr 30) at 7AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)10AM (Fri 24th Apr)3ft (0.9m) 11s
Best Surf10AM (Fri 24th Apr)3ft (0.9m) 11s
Most Powerful10AM (Fri 24th Apr)3ft (0.9m) 11s

Table - best surf conditions forecast for Whistling Sands (Porth Oer) over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 16°C on Fri afternoon, min 12°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 16°C on Tue night, min 12°C on Tue night). Wind will be generally light.

Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.9
SW
11
0.9
SW
11
0.8
SW
11
0.8
SW
11
0.8
SW
10
0.7
SW
9
0.6
SW
9
0.5
SW
8
0.4
SW
8
0.4
SW
8
0.4
SW
8
0.3
SW
7
0.3
SW
8
0.3
SW
7
0.2
WSW
7
0.1
SW
13
0.1
SW
12
0.1
SW
12
0.1
SW
11
0.1
SW
11
0.1
SW
10
Wave Graph
Metric surfscale
Energy kJ
217
194
162
159
122
87
50
35
23
22
14
9
9
8
7
7
6
5
5
5
4
Wind (km/h)
15
ESE
5
NE
15
ESE
10
SE
5
NNW
5
ENE
10
SSE
5
WSW
5
NNE
10
NNE
20
NNW
10
ENE
10
ESE
15
NNW
10
ESE
0
SE
15
NW
10
ESE
5
ESE
10
NNW
15
SE
cross-off
glassy
off
off
on
cross-off
off
cross-on
glassy
cross-on
cross-on
cross-off
off
on
off
glassy
on
cross-off
glassy
cross-on
off
High Tide
2:49PM2.87m
3:22AM3.18m
4:25PM2.80m
4:52AM3.22m
5:46PM2.95m
6:01AM3.40m
6:40PM3.18m
6:52AM3.59m
7:22PM3.41m
7:35AM3.75m
7:59PM3.63m
8:13AM3.86m
8:34PM3.79m
Low Tide
9:36AM0.93m
10:02PM1.28m
10:59AM0.93m
11:23PM1.22m
12:13PM0.79m
00:32AM1.05m
1:11PM0.61m
1:27AM0.84m
1:58PM0.46m
2:13AM0.66m
2:38PM0.37m
2:51AM0.52m
3:12PM0.35m
3:26AM0.44m
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
5:58
5:56
5:54
5:52
5:50
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:32
8:35
8:36
8:37
8:39
8:42
8:43
Temp °C
14
16
15
13
14
14
13
14
13
14
15
15
14
15
16
12
15
16
14
16
16
10
14
12
10
11
12
10
12
12
11
10
10
12
11
14
11
12
13
13
13
14
Swell 1
Height (m)
Direction
Period (s)
0.9
SW
11
0.9
SW
11
0.8
SW
11
0.8
SW
11
0.8
SW
10
0.7
SW
9
0.6
SW
9
0.5
SW
8
0.4
SW
8
0.4
SW
8
0.4
SW
8
0.3
SW
7
0.3
SW
8
0.3
SW
7
0.2
WSW
7
0.1
SW
7
0.1
SW
7
0.2
N
3
0.1
SW
11
0.2
SSE
3
0.1
SW
10
Energy kJ
217
194
162
159
122
87
50
35
23
22
14
9
9
8
5
2
2
1
5
1
4
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
9
0.2
N
4
0.1
W
15
0.1
SW
13
0.1
SW
13
0.1
SW
12
0.1
SW
12
0.1
SW
7
0.1
SW
11
Energy kJ
3
1
4
7
7
6
5
2
5
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
9
0.1
SW
7
0.1
SW
7
Energy kJ
3
2
2
Wind waves
Height (m)
Direction
Period (s)
0.4
ESE
3
0.3
E
3
0.3
SE
2
0.3
N
2
0.4
NNE
3
0.2
NNW
4
0.3
ESE
3
0.5
SE
3
Energy kJ
4
1
1
1
3
1
1
5
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
10
4
4
42
4
4
106
134
113
113
113
134
113
113
112
112
112
112
112
113
113
Best forecast wave conditions in Lleyn Peninsula
Rating
(10 max)
1
1
1
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
1
2
2
2
2
2
2
1
1
1
1
1
1
1
2
3
2
3
4
4
3
Header Global
Rating
(10 max)
5
5
5
4
4
5
7
6
8
5
5
5
5
9
6
4
6
5
5
5
5
  • Map Icons:
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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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Information about the Whistling Sands (Porth Oer) Surf forecast

The above surf forecast table for Whistling Sands (Porth Oer) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Whistling Sands (Porth Oer) can be found by selecting the local surf guide option on the grey menu. Our Whistling Sands (Porth Oer) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Whistling Sands (Porth Oer)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Whistling Sands (Porth Oer) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Lleyn Peninsula? If you are looking for accommodation near Whistling Sands (Porth Oer), camping, hotels and holiday cottages in Lleyn Peninsula, consider staying in Porthmadog which is 41 km (25 miles) away. Other places in and around Lleyn Peninsula where you can find information about places to rent, and car hire include Anglesey which is 48 km (30 miles) away, Holyhead, Bangor and Aberystwyth.

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