Harlech Surf Break

Lat Long: 52.84° N 4.12° W

Harlech 48 hour detailed Surf Forecast

Issued: 12 am 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Harlech sea temperature is
19.9° C
4.0° 

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 (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 1.5ft (0.5m), 4s period with NW swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 2ft (0.6m), 5s period with NW swell.
  • Evening surf: Evening surf (21 Aug, local time) - 0.5ft (0.1m), 13s period with W swell.

The current surf forecast for Harlech at 8AM is: 0.4m 4s primary swell from a Northwest direction and 0.2m 6s secondary swell from a West-southwest direction, 0.1m 14s secondary swell from a West direction (forecast issued at 12:00am August 21). The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (21 Aug)1.5ft (0.5m)4s
Afternoon (21 Aug)2ft (0.6m)5s
Evening (21 Aug)0.5ft (0.1m)13s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Fri morning. Very mild (max 18°C on Sun afternoon, min 11°C on Fri night). Wind will be generally light.

Friday
21
Saturday
22
Sunday
23
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)
0.5
NW
4
0.4
NW
4
0.4
NW
4
0.6
NW
5
0.6
NW
5
0.4
WNW
4
0.2
W
4
0.1
W
13
0.1
W
13
0.1
W
13
0.3
NW
5
0.1
W
15
0.1
W
15
0.1
W
15
0.1
W
15
0.1
W
15
0.1
W
15
0.1
W
15
0.1
W
15
0.1
W
14
0.1
W
14
0.1
W
14
0.1
SW
14
0.1
SW
13
Wave Graph
Metric surfscale
Energy kJ
8
6
6
17
13
8
1
3
3
3
3
4
4
4
5
4
4
4
4
4
4
4
7
7
Wind (km/h)
10
N
10
NNW
5
N
5
NW
5
NNW
10
N
10
N
15
NE
10
NE
10
NNE
10
N
5
NNW
15
WNW
20
NW
15
NNW
10
NNE
10
NE
10
NE
10
NE
5
NNW
10
WNW
10
WNW
10
NNW
10
ENE
Wind State
cross
cross
cross-off
glassy
glassy
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
glassy
on
cross-on
cross-on
cross-off
High Tide
2:28AM2.96m
3:05PM2.85m
3:58AM2.73m
4:48PM2.79m
5:37AM2.77m
6:09PM2.98m
Low Tide
9:04AM1.62m
9:50PM1.66m
10:38AM1.74m
11:51PM1.66m
12:30PM1.63m
part cloud
clear
clear
rain showers
rain showers
light rain
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:07
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:30
8:29
8:25
 mm
1
1
1
Temp °C
12
12
12
14
15
17
17
13
12
11
11
14
16
16
16
12
11
11
11
15
17
18
17
14
Feels °C
10
10
11
13
14
15
14
10
10
9
9
13
13
12
13
9
9
9
9
14
15
16
16
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.


Nearest locationNearest