Harlech Surf Break

Lat Long: 52.84° N 4.12° W

Harlech 48 hour detailed Surf Forecast

Issued: 12 pm 17 Jul 2026 (local time)

Forecast update in  hr  min

Today's Harlech sea temperature is
20.0° C
4.9° 

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 (17 Jul):

  • Morning surf: Morning surf (17 Jul, local time) - 0.5ft (0.1m), 6s period with SW swell.
  • Afternoon surf: Afternoon surf (17 Jul, local time) - 1.5ft (0.5m), 3s period with NW swell.
  • Evening surf: Evening surf (17 Jul, local time) - 1.5ft (0.4m), 4s period with NNW swell.

The current surf forecast for Harlech at 7PM is: 0.6m 4s primary swell from a North-northwest direction and 0.1m 6s secondary swell from a Southwest direction, 0.1m 13s secondary swell from a West direction (forecast issued at 12:00pm July 17). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (17 Jul)0.5ft (0.1m)6s
Afternoon (17 Jul)1.5ft (0.5m)3s
Evening (17 Jul)1.5ft (0.4m)4s

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


Short Range Forecast

Mostly dry. Warm (max 22°C on Fri afternoon, min 13°C on Sun night). Wind will be generally light.

Fri
17
Saturday
18
Sunday
19
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
Rating
(10 max)
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 Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.1
SW
6
0.1
W
12
0.5
NW
4
0.6
NNW
4
0.4
NNW
4
0.1
W
13
0.3
N
3
0.3
NNW
3
0.4
NNW
4
0.7
NW
4
0.8
NW
4
0.7
NW
4
0.5
NW
4
0.3
NW
4
0.2
NNW
5
0.1
NW
5
0.1
NW
4
0.1
NW
4
0.3
NW
2
0.3
NW
3
0.3
NNW
3
Wave Graph
Metric surfscale
Energy kJ
2
3
6
11
6
3
2
2
5
16
22
21
9
2
0
1
1
1
1
1
2
Wind (km/h)
5
WNW
10
NW
20
NNW
15
NNW
15
NNE
10
NE
10
NNE
10
N
10
NW
20
NW
20
NNW
15
NNE
15
NE
10
ENE
10
ENE
5
E
5
W
10
WNW
15
NW
15
NNW
15
NNE
Wind State
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross-off
cross-off
off
off
glassy
glassy
cross-on
cross-on
cross-on
cross-off
High Tide
10:51AM4.22m
11:10PM4.71m
11:36AM4.04m
11:55PM4.48m
12:21PM3.80m
Low Tide
5:58PM0.33m
6:34AM0.12m
6:39PM0.48m
7:17AM0.35m
7:20PM0.69m
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
part cloud
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:11
5:13
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:31
9:30
9:30
 mm
Temp °C
19
21
22
20
16
15
14
14
16
18
19
19
16
15
14
14
17
18
19
19
16
Feels °C
19
20
18
17
13
13
12
13
15
15
16
17
14
13
12
13
16
17
17
17
14
  • 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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