Harlech Surf Break

Lat Long: 52.84° N 4.12° W

Harlech 48 hour detailed Surf Forecast

Issued: 12 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 (16 Sep):

  • Morning surf: Morning surf (16 Sep, local time) - 3ft (0.9m), 5s period with NW swell.
  • Afternoon surf: Afternoon surf (16 Sep, local time) - 2ft (0.6m), 5s period with W swell.
  • Evening surf: Evening surf (16 Sep, local time) - 3ft (0.9m), 4s period with WSW swell.

The current surf forecast for Harlech at 8PM is: 0.8m 4s primary swell from a West-southwest direction and 0.3m 4s secondary swell from a Northwest direction (forecast issued at 12:00pm September 16). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (16 Sep)3ft (0.9m)5s
Afternoon (16 Sep)2ft (0.6m)5s
Evening (16 Sep)3ft (0.9m)4s

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


Short Range Forecast

Heavy rain (total 23mm), heaviest during Fri afternoon. Very mild (max 17°C on Fri afternoon, min 13°C on Wed night). Winds increasing (light winds from the NW on Wed morning, strong winds from the SW by Fri afternoon).

Wed
16
Thursday
17
Friday
18
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)
0.9
NW
5
0.7
WNW
5
0.6
W
5
0.7
WSW
4
1
WSW
5
1.3
WSW
5
1.4
WSW
6
1.3
W
6
1.3
W
6
1.4
WSW
6
1.4
WSW
6
1.2
W
6
1.4
W
6
1.2
W
6
1.2
W
6
1.1
W
5
1.1
WSW
5
1.4
SW
6
1.9
SW
7
1.8
WSW
7
1.7
WSW
7
Wave Graph
Metric surfscale
Energy kJ
35
25
16
13
46
83
142
130
106
126
140
91
121
92
86
71
59
133
323
362
302
Wind (km/h)
20
NW
20
WNW
20
W
25
SW
25
SW
30
WSW
30
W
25
WNW
30
W
35
W
30
W
25
W
30
W
25
W
25
W
20
WSW
25
SW
40
SW
40
SW
30
WSW
30
WSW
Wind State
cross-on
on
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
11:49AM3.87m
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
rain showers
part cloud
cloud
cloud
part cloud
light rain
light rain
clear
part cloud
cloud
rain showers
clear
part cloud
part cloud
part cloud
cloud
cloud
light rain
heavy rain
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
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
11
3
Temp °C
14
15
15
14
15
14
15
13
14
14
14
15
14
13
13
13
15
14
15
17
16
Feels °C
11
11
11
10
10
9
10
8
8
7
8
10
8
8
8
9
11
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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