Harlech surfForecast / Wales – Mid / UK

information circle48hr Weather and Surf, issued 6 pm Tuesday 19 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Harlech surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Harlech sea temperature is
12.4° C
(Which is 1.5°C warmer than normal for this time of year)

How big are the waves at Harlech today?

The current surf forecast for Harlech at 1AM is: 2.0m 8s primary swell from a West-southwest direction (forecast issued at 06:00pm May 19). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (20 May)5.5ft (1.7m)6s
Afternoon (20 May)5ft (1.5m)6s
Evening (20 May)3.5ft (1.1m)6s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 12mm), heaviest on Tue night. Very mild (max 18°C on Fri morning, min 11°C on Tue night). Winds decreasing (fresh winds from the SW on Tue night, light winds from the SSE by Thu afternoon).

Tue
19
Wednesday
20
Thursday
21
Fri
22
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
1
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)
1.4
SW
8
1.7
SW
7
1.8
SW
8
2
WSW
8
1.8
WSW
9
1.6
WSW
9
1.7
WSW
6
1.7
WSW
6
1.4
SW
6
1.2
SW
6
1
SW
6
0.8
SW
6
0.8
SW
5
0.7
WSW
8
0.9
SW
6
0.8
SW
7
0.8
SW
7
0.7
SW
8
0.6
SW
8
0.6
SW
9
0.6
WSW
9
0.6
SW
9
0.7
SW
10
0.8
SW
10
Wave Graph
Metric surfscale
Energy kJ
233
287
406
513
497
441
231
222
157
105
68
44
31
58
70
67
62
59
54
62
56
71
88
115
Wind (km/h)
30
SSW
35
SSW
35
SW
35
SW
30
WSW
25
SW
30
SW
30
SW
30
SW
20
SSW
20
S
20
S
20
S
20
S
20
SSW
20
SSW
15
SSW
10
SSE
10
SE
10
ESE
10
ESE
10
SE
15
SSW
10
SSW
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
High Tide
10:50PM4.58m
11:18AM4.19m
11:39PM4.36m
12:10PM3.82m
00:33AM4.08m
Low Tide
5:40PM0.52m
6:13AM0.33m
6:32PM0.71m
7:11AM0.49m
7:28PM0.91m
8:12AM0.66m
light rain
light rain
light rain
rain showers
rain showers
cloud
light rain
rain showers
clear
part cloud
part cloud
cloud
light rain
light rain
cloud
cloud
part cloud
part cloud
clear
cloud
cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:11
5:09
5:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:13
9:14
9:15
9:16
1
1
2
2
1
1
1
2
1
Temp °C
13
12
11
11
11
11
12
12
13
12
12
11
12
13
14
16
17
16
16
16
15
16
18
18
7
6
4
4
5
6
6
6
8
8
9
7
8
10
11
13
15
15
15
15
13
14
16
17
Swell 1
Height (m)
Direction
Period (s)
0.4
WSW
9
0.8
SW
6
0.4
WSW
8
0.7
WSW
8
0.4
WSW
8
0.7
SW
8
0.6
SW
8
0.6
SW
9
0.6
WSW
9
0.6
SW
9
0.7
SW
10
Energy kJ
35
44
26
54
23
59
54
62
56
71
88
Swell 2
Height (m)
Direction
Period (s)
0.3
WSW
12
0.4
WSW
8
0.4
WSW
9
0.2
W
11
0.1
W
15
0.1
W
15
Energy kJ
27
28
30
10
4
4
Swell 3
Height (m)
Direction
Period (s)
0.2
WSW
11
Energy kJ
13
Wind waves
Height (m)
Direction
Period (s)
1.4
SW
8
1.7
SW
7
1.8
SW
8
2
WSW
8
1.8
WSW
9
1.6
WSW
9
1.7
WSW
6
1.7
WSW
6
1.4
SW
6
1.2
SW
6
1
SW
6
0.3
S
3
0.8
SW
5
0.9
SW
6
0.9
SW
6
0.8
SW
7
0.8
SW
7
0.3
SE
2
0.8
SW
10
Energy kJ
233
287
406
513
497
441
231
222
157
105
68
1
31
58
70
67
62
1
115
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
4
4
4
1
1
2
2
2
1
1
1
2
1
2
1
1
1
Distance (km)
285
284
285
285
303
301
398
374
263
263
43
40
150
150
151
137
140
80
125
80
137
0
137
26
Best forecast wave conditions in Mid Wales
Rating
(10 max)
1
1
1
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
1
1
2
3
2
1
2
2
4
4
3
4
4
3
2
2
3
3
2
3
3
3
3
3
Header Global
Rating
(10 max)
4
4
4
5
5
5
4
4
4
5
5
4
4
5
5
4
4
4
4
5
5
5
7
8
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Harlech surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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