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

information circle48hr Weather and Surf, issued 6 pm Tuesday 12 May 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
11.0° 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 2AM is: 1.6m 5s primary swell from a West-northwest direction and 0.2m 8s secondary swell from a South-southwest direction, 0.1m 18s secondary swell from a Southwest direction (forecast issued at 06:00pm May 12). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (13 May)8ft (2.4m)7s
Afternoon (13 May)3ft (0.9m)7s
Evening (13 May)1.5ft (0.5m)7s

Table - waves today at Whistling Sands (Porth Oer). (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 8mm), mostly falling on Tue night. Very mild (max 12°C on Tue afternoon, min 8°C on Tue night). Winds increasing (light winds from the WNW on Tue afternoon, near gales from the WNW by Tue night).

Tue
12
Wednesday
13
Thursday
14
Fri
15
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
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.1
W
18
0.1
SW
18
1
WNW
4
1.5
W
5
1.9
WNW
6
2.3
WNW
6
2.4
NW
7
0.9
WSW
7
0.8
WSW
7
0.6
WSW
7
0.4
SW
7
0.3
SW
6
0.1
SW
16
0.1
SW
16
0.1
SW
15
0.1
SW
15
0.1
SW
14
0.1
SW
14
0.1
SW
14
0.1
SW
14
0.1
SW
14
0.1
SW
14
1.5
NNW
6
1.4
NNW
6
Wave Graph
Metric surfscale
Energy kJ
7
12
27
115
232
423
516
86
66
32
11
10
10
10
9
8
8
8
8
8
8
8
150
128
Wind (km/h)
15
WNW
15
W
40
WNW
45
W
45
WNW
50
WNW
50
NW
40
NW
35
NW
40
NNW
45
NNW
50
NNW
50
NNW
45
NNW
40
NNW
35
NNW
35
NNW
30
N
25
NNE
35
N
40
NNW
40
NNW
35
N
35
NNW
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
5:47PM3.03m
6:00AM3.43m
6:36PM3.35m
6:49AM3.73m
7:20PM3.68m
7:35AM4.00m
Low Tide
00:24AM1.09m
1:00PM0.65m
1:17AM0.83m
1:48PM0.41m
2:06AM0.56m
part cloud
clear
clear
part cloud
light rain
light rain
light rain
clear
cloud
light rain
rain showers
part cloud
cloud
cloud
light rain
light rain
light rain
clear
clear
cloud
cloud
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:24
5:22
5:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:04
9:05
9:07
9:08
1
1
1
1
1
1
1
1
Temp °C
12
12
11
9
9
8
9
10
11
10
9
9
9
9
9
9
10
10
10
10
9
9
9
9
8
7
2
-1
-1
-4
-2
1
3
1
-2
-2
-2
-1
-1
1
2
3
4
2
0
0
0
1
Swell 1
Height (m)
Direction
Period (s)
0.8
NNW
5
0.6
NNW
5
0.2
SSW
8
0.2
SSW
8
0.1
SW
18
0.1
SW
17
0.1
SW
16
0.9
WSW
7
0.8
WSW
7
0.6
WSW
7
0.4
SW
7
0.3
SW
6
0.1
SW
16
0.1
SW
16
0.1
SW
15
0.1
SW
15
0.1
SW
14
0.1
SW
14
0.2
WSW
5
0.1
SW
14
0.1
SW
14
0.1
SW
14
0.1
SW
14
0.1
SW
14
Energy kJ
27
20
7
6
12
12
11
86
66
32
11
6
10
10
9
8
8
8
3
8
8
8
8
8
Swell 2
Height (m)
Direction
Period (s)
0.2
SSW
8
0.2
SSW
8
0.1
SW
18
0.1
SW
18
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.1
W
16
0.1
SW
15
0.1
SW
15
0.1
SW
14
0.1
SW
14
0.1
SW
14
0.1
SW
14
0.1
W
7
0.1
W
6
0.1
W
6
Energy kJ
7
7
12
12
10
10
10
10
10
10
5
9
8
8
8
8
8
1
1
1
Swell 3
Height (m)
Direction
Period (s)
0.1
W
18
0.1
SW
18
Energy kJ
6
12
Wind waves
Height (m)
Direction
Period (s)
0.3
WSW
4
0.3
WSW
4
1
WNW
4
1.5
W
5
1.9
WNW
6
2.3
WNW
6
2.4
NW
7
2
NNW
7
1.7
NNW
6
1.8
NNW
6
2.1
NNW
6
2.5
NNW
7
2.5
NNW
7
2.5
NNW
7
2
NNW
7
1.7
NNW
6
1.6
NNW
6
1.7
NNW
6
1.5
NNW
6
1.9
NNW
6
1.7
NNW
6
1.7
NNW
6
1.5
NNW
6
1.4
NNW
6
Energy kJ
3
3
27
115
232
423
516
361
246
233
331
549
732
620
331
230
182
230
155
271
233
220
150
128
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
2
2
1
2
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
427
310
323
314
325
326
636
960
1553
649
578
578
300
300
328
329
347
347
48
140
60
297
297
297
Best forecast wave conditions in Lleyn Peninsula
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
1
2
2
4
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
8
9
9
9
9
9
9
8
7
9
9
9
9
8
5
5
5
5
5
5
5
5
5
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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