Harlech Surf Break

Lat Long: 52.84° N 4.12° W

Harlech 48 hour detailed Surf Forecast

Issued: 12 am 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's Harlech sea temperature is
19.5°C
3.8° 

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 (29 Aug):

  • Morning surf: Morning surf (29 Aug, local time) - 2ft (0.6m), 6s period with SW swell.
  • Afternoon surf: Afternoon surf (29 Aug, local time) - 1.5ft (0.4m), 6s period with SW swell.
  • Evening surf: Evening surf (29 Aug, local time) - 1.5ft (0.4m), 8s period with SW swell.

The current surf forecast for Harlech at 5AM is: 0.7m 4s primary swell from a Southwest direction and 0.6m 4s secondary swell from a West-southwest direction, 0.1m 7s secondary swell from a Southwest direction (forecast issued at 12:00am August 29). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (29 Aug)2ft (0.6m)6s
Afternoon (29 Aug)1.5ft (0.4m)6s
Evening (29 Aug)1.5ft (0.4m)8s

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


Short Range Forecast

Heavy rain (total 25mm), heaviest during Sat morning. Very mild (max 17°C on Fri night, min 14°C on Sun night). Wind will be generally light.

Saturday
29
Sunday
30
Monday
31
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
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
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SW
4
0.7
SW
4
0.6
SW
4
0.6
SW
6
0.4
SW
6
0.4
SW
6
0.4
SW
6
0.4
SW
8
0.7
WSW
10
0.6
WSW
9
0.5
SW
9
0.4
WSW
9
0.9
SW
4
1.1
SW
5
1
SW
7
0.9
WSW
8
0.9
SW
8
0.7
WSW
9
1.3
W
5
1.4
WNW
6
1.2
W
6
0.7
WSW
9
0.7
WSW
9
0.9
WSW
4
Wave Graph
Metric surfscale
Energy kJ
23
20
12
23
12
9
11
25
85
56
39
29
28
58
88
101
95
65
87
110
91
70
68
35
Wind (km/h)
20
SSW
15
S
10
ESE
10
E
15
ENE
10
NNE
10
WNW
10
NW
10
W
15
SSW
15
S
20
S
25
S
25
SSW
20
SSW
5
W
10
WSW
20
WNW
25
WNW
30
NW
25
WNW
20
W
15
SW
15
SW
Wind State
cross-on
cross
cross-off
off
cross-off
cross-off
cross-on
cross-on
on
cross-on
cross
cross
cross
cross
cross-on
on
cross-on
on
cross-on
cross-on
cross-on
on
cross-on
cross-on
High Tide
9:33AM4.15m
9:48PM4.58m
10:06AM4.27m
10:23PM4.64m
10:41AM4.31m
Low Tide
4:23AM0.24m
4:28PM0.35m
4:55AM0.21m
4:59PM0.36m
5:27AM0.28m
5:30PM0.45m
rain showers
cloud
cloud
light rain
light rain
light rain
part cloud
part cloud
part cloud
rain showers
rain showers
light rain
thunderstorm
thunderstorm
thunderstorm
light rain
rain showers
part cloud
light rain
light rain
part cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:22
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:13
8:10
8:07
 mm
1
3
4
1
1
1
1
2
2
2
4
1
1
1
Temp °C
17
16
16
16
15
16
17
15
15
16
15
17
17
16
16
14
14
15
14
14
15
16
15
15
Feels °C
15
15
16
15
14
16
17
14
15
15
13
15
13
12
13
14
12
12
10
9
10
12
12
12
  • 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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