Harlech Surf Break

Lat Long: 52.84° N 4.12° W

Harlech 48 hour detailed Surf Forecast

Issued: 6 pm 16 Sep 2026 (local time)

Forecast update in  hr  min

Today's Harlech sea temperature is
17.4°C
2.0° 

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 (17 Sep):

  • Morning surf: Morning surf (17 Sep, local time) - 4.5ft (1.3m), 6s period with W swell.
  • Afternoon surf: Afternoon surf (17 Sep, local time) - 4.5ft (1.4m), 6s period with W swell.
  • Evening surf: Evening surf (17 Sep, local time) - 4.5ft (1.3m), 6s period with W swell.

The current surf forecast for Harlech at 3AM is: 1.5m 6s primary swell from a West-southwest direction (forecast issued at 06:00pm September 16). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (17 Sep)4.5ft (1.3m)6s
Afternoon (17 Sep)4.5ft (1.4m)6s
Evening (17 Sep)4.5ft (1.3m)6s

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


Short Range Forecast

Heavy rain (total 29mm), heaviest during Fri afternoon. Very mild (max 17°C on Fri afternoon, min 13°C on Wed night). Mainly fresh winds.

Wed
16
Thursday
17
Friday
18
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)
0.7
W
5
0.9
WSW
4
1.1
SW
5
1.3
WSW
6
1.5
WSW
6
1.4
W
7
1.3
W
6
1.4
W
6
1.4
W
6
1.3
W
6
1.4
W
6
1.3
W
6
1.2
W
6
1.1
W
5
1.1
WSW
5
1.4
SW
6
1.8
SW
7
2
WSW
7
1.7
WSW
7
Wave Graph
Metric surfscale
Energy kJ
21
23
57
101
177
171
108
123
132
110
121
108
86
66
59
123
279
418
329
Wind (km/h)
20
WSW
25
SW
25
SW
30
WSW
35
W
25
WNW
30
W
30
W
30
W
25
W
30
W
25
W
25
W
20
WSW
25
SW
35
SW
40
SW
35
WSW
30
SW
Wind State
on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
00:09AM3.70m
12:25PM3.54m
00:47AM3.29m
1:05PM3.19m
Low Tide
6:23PM0.90m
6:36AM1.16m
6:56PM1.20m
7:10AM1.45m
7:50PM1.49m
cloud
cloud
rain showers
light rain
rain showers
part cloud
clear
rain showers
light rain
clear
clear
part cloud
part cloud
cloud
cloud
light rain
heavy rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
6:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:30
7:28
7:25
 mm
1
1
4
1
1
1
11
4
2
Temp °C
15
14
15
14
15
13
14
14
14
15
14
13
13
13
14
14
14
17
16
Feels °C
11
9
10
9
10
8
8
7
8
10
8
8
8
9
9
7
8
13
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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