Porth Dinllaen surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 12 pm Friday 01 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Porth Dinllaen surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Dinllaen sea temperature is
11.3° C
(Which is 1.7°C warmer than normal for this time of year)

How big are the waves at Porth Dinllaen today?

The current surf forecast for Porth Dinllaen at 7PM is: 0.1m 12s primary swell from a West direction (forecast issued at 12:00pm May 01). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (01 May)0.5ft (0.1m)10s
Afternoon (01 May)0.5ft (0.1m)10s
Evening (01 May)0.5ft (0.1m)11s

Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 12mm), heaviest on Sat afternoon. Very mild (max 12°C on Fri morning, min 9°C on Sun night). Wind will be generally light.

Fri
1
Saturday
2
Sunday
3
Mon
4
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
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
<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><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)
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
12
0.1
W
11
0.1
W
11
0.1
W
11
0.1
W
10
0.5
SSW
4
0.1
W
10
0.3
SW
4
0.4
SW
4
0.4
SW
4
0.4
SW
4
0.3
SW
5
0.3
SW
5
0.3
SW
5
0.3
SW
5
0.2
SSW
5
0.1
SW
5
0.2
N
3
0.1
SW
5
0.1
SW
5
0.1
SW
5
Wave Graph
Metric surfscale
Energy kJ
2
2
2
3
2
2
2
2
0
2
2
4
4
5
4
4
4
4
2
1
1
1
1
1
Wind (km/h)
15
SSW
10
SSW
15
SSW
15
SSW
15
S
15
S
15
S
15
S
15
S
15
SSE
10
SSE
10
ESE
0
E
10
NNE
15
N
15
N
15
NNW
5
NNE
15
NNE
20
NE
15
NE
15
NNE
15
NNE
15
NNE
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
High Tide
9:07AM3.66m
9:25PM3.63m
9:42AM3.65m
9:58PM3.66m
10:16AM3.58m
10:31PM3.63m
Low Tide
4:09PM0.30m
4:25AM0.35m
4:40PM0.40m
4:57AM0.39m
5:11PM0.53m
5:31AM0.48m
cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:46
5:43
5:41
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:45
8:46
8:47
8:50
1
3
1
1
3
1
1
1
Temp °C
12
12
12
11
11
11
10
10
11
12
11
11
11
11
10
10
10
10
11
11
11
10
10
9
10
10
9
8
8
8
7
7
8
9
9
9
11
10
7
7
7
9
8
7
8
6
7
5
Swell 1
Height (m)
Direction
Period (s)
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
12
0.1
W
11
0.1
W
11
0.1
W
11
0.1
W
10
0.1
W
10
0.3
SW
4
0.4
SW
4
0.4
SW
4
0.4
SW
4
0.3
SW
5
0.3
SW
5
0.3
SW
5
0.3
SW
5
0.2
SSW
5
0.1
SW
5
0.1
SW
5
0.1
NW
4
0.1
SW
5
Energy kJ
2
2
2
3
2
2
2
2
2
2
4
4
5
4
4
4
4
2
1
1
1
1
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
5
0.2
NNW
4
0.1
NW
4
0.1
NW
4
0.1
SW
5
0.1
SW
5
0.1
SW
5
Energy kJ
1
2
1
1
1
1
1
Swell 3
Height (m)
Direction
Period (s)
0.1
W
9
Energy kJ
2
Wind waves
Height (m)
Direction
Period (s)
0.3
SSW
3
0.2
SSW
3
0.3
SSW
3
0.4
SW
3
0.4
SSW
3
0.5
SW
4
0.5
SW
4
0.6
SSW
4
0.5
SSW
4
0.4
SSW
4
0.4
SSW
4
0.3
N
2
0.3
N
4
0.2
N
3
Energy kJ
1
1
1
2
4
6
7
9
7
5
5
1
2
1
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
1
1
1
Distance (km)
262
268
282
282
261
200
264
229
203
287
287
269
287
287
287
285
302
287
287
302
302
294
287
285
Best forecast wave conditions in Lleyn Peninsula
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
3
3
2
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
1
2
1
1
1
Header Global
Rating
(10 max)
6
6
5
5
5
5
5
5
5
4
4
4
4
4
4
4
5
4
5
4
4
4
4
4
  • 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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