Harlech Surf Break

Lat Long: 52.84° N 4.12° W

Harlech 48 hour detailed Surf Forecast

Issued: 6 pm 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Harlech sea temperature is
19.4° C
3.6° 

Harlech surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Harlech today (12 Aug):

  • Afternoon surf: Afternoon surf (12 Aug, local time) - 0.5ft (0.2m), 10s period with WSW swell.
  • Evening surf: Evening surf (12 Aug, local time) - 0.5ft (0.2m), 9s period with WSW swell.

The current surf forecast for Harlech at 11PM is: 0.2m 9s primary swell from a West-southwest direction and 0.1m 6s secondary swell from a Southwest direction (forecast issued at 06:00pm August 12). The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (12 Aug)--
Afternoon (12 Aug)0.5ft (0.2m)10s
Evening (12 Aug)0.5ft (0.2m)9s

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


Short Range Forecast

Mostly dry. Warm (max 30°C on Wed afternoon, min 13°C on Fri night). Wind will be generally light.

Wed
12
Thursday
13
Friday
14
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
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
WSW
10
0.2
WSW
9
0.2
WSW
9
0.2
WSW
9
0.2
WSW
9
0.2
WSW
9
0.2
WSW
8
0.2
WSW
8
0.2
WSW
8
0.2
WSW
9
0.2
WSW
9
0.2
WSW
9
0.6
WSW
5
0.4
WSW
4
0.4
WSW
4
0.4
SW
4
0.4
NW
4
0.4
NW
4
0.4
NW
3
Wave Graph
Metric surfscale
Energy kJ
9
9
8
8
8
7
7
7
6
8
8
8
14
8
7
5
3
3
3
Wind (km/h)
5
WSW
5
WSW
5
SSE
10
SSE
10
SSE
5
ESE
5
SSW
10
WSW
5
SW
10
SSW
10
S
15
SSE
15
S
5
SSW
5
WSW
10
NW
15
NNW
15
NNW
15
N
Wind State
glassy
glassy
cross-off
cross-off
cross-off
glassy
glassy
cross-on
glassy
cross-on
cross
cross-off
cross
cross
glassy
cross-on
cross
cross
cross
High Tide
8:39PM4.62m
9:05AM4.30m
9:24PM4.83m
9:48AM4.37m
Low Tide
3:33PM0.34m
4:04AM-0.03m
4:15PM0.19m
4:45AM-0.13m
4:53PM0.15m
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
cloud
clear
clear
part cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:50
8:47
8:45
 mm
Temp °C
30
28
25
23
21
20
22
23
23
20
18
17
17
17
18
17
18
19
15
Feels °C
30
28
24
22
20
21
23
23
24
21
19
17
17
18
20
18
17
17
13
  • 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
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

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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