Harlech Surf Break

Lat Long: 52.84° N 4.12° W

Harlech 48 hour detailed Surf Forecast

Issued: 6 am 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's Harlech sea temperature is
17.6°C
2.2° 

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 (15 Sep):

  • Morning surf: Morning surf (15 Sep, local time) - 3.5ft (1.1m), 6s period with W swell.
  • Afternoon surf: Afternoon surf (15 Sep, local time) - 3.5ft (1.0m), 5s period with W swell.
  • Evening surf: Evening surf (15 Sep, local time) - 2ft (0.6m), 6s period with WSW swell.

The current surf forecast for Harlech at 1PM is: 1.1m 5s primary swell from a West direction (forecast issued at 06:00am September 15). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (15 Sep)3.5ft (1.1m)6s
Afternoon (15 Sep)3.5ft (1.0m)5s
Evening (15 Sep)2ft (0.6m)6s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Wed night. Very mild (max 15°C on Tue morning, min 12°C on Thu night). Mainly fresh winds.

Tuesday
15
Wednesday
16
Thursday
17
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
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)
1.6
SW
6
1.1
WSW
6
1.1
W
6
1.1
W
5
1
W
5
0.6
WSW
5
0.6
WSW
6
0.7
NW
5
1
NW
5
0.8
NW
5
0.9
WNW
5
0.9
WNW
5
0.7
W
5
0.8
WSW
4
0.9
WSW
4
1.3
WSW
5
1.5
WSW
6
1.4
WSW
7
1.3
W
6
1.3
W
6
1.2
W
5
1.4
W
6
1.4
W
6
Wave Graph
Metric surfscale
Energy kJ
195
96
74
62
51
18
27
21
48
29
40
34
23
24
26
97
186
158
110
103
85
117
134
Wind (km/h)
30
SW
15
W
20
W
25
W
20
W
20
WNW
20
NW
20
NW
20
NW
15
NW
20
NW
20
WNW
20
W
25
SW
25
SW
30
SW
35
WSW
30
W
30
W
30
W
30
WSW
30
W
30
WNW
Wind State
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
High Tide
11:14AM4.15m
11:33PM4.10m
11:49AM3.87m
00:09AM3.70m
12:25PM3.54m
Low Tide
5:55PM0.63m
6:13AM0.85m
6:23PM0.90m
6:36AM1.16m
6:56PM1.20m
mod rain
clear
cloud
part cloud
part cloud
rain showers
rain showers
part cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
light rain
light rain
clear
part cloud
part cloud
light rain
rain showers
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:50
6:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:32
7:30
7:28
 mm
8
1
1
1
5
1
1
Temp °C
17
15
14
15
15
15
14
14
13
13
14
15
15
15
15
14
15
14
14
14
14
14
13
Feels °C
13
13
11
10
11
12
11
11
9
10
10
11
11
10
11
9
10
9
8
8
8
8
7
  • 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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