Harlech Surf Break

Lat Long: 52.84° N 4.12° W

Harlech 48 hour detailed Surf Forecast

Issued: 6 pm 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's Harlech sea temperature is
17.7°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 (12 Sep):

  • Afternoon surf: Afternoon surf (12 Sep, local time) - 5.5ft (1.7m), 7s period with WSW swell.
  • Evening surf: Evening surf (12 Sep, local time) - 4ft (1.2m), 7s period with WSW swell.

The current surf forecast for Harlech at 11PM is: 1.0m 7s primary swell from a West-southwest direction (forecast issued at 06:00pm September 12). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (12 Sep)--
Afternoon (12 Sep)5.5ft (1.7m)7s
Evening (12 Sep)4ft (1.2m)7s

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


Short Range Forecast

Moderate rain (total 18mm), heaviest on Mon night. Very mild (max 19°C on Sun morning, min 15°C on Mon night). Winds increasing (calm on Sun morning, fresh winds from the SW by Mon night).

Sat
12
Sunday
13
Monday
14
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)
1.6
WSW
7
1.4
WSW
7
1.2
WSW
7
0.9
WSW
7
0.8
WSW
7
0.7
WSW
7
0.6
WSW
6
0.5
SW
6
0.4
WSW
6
0.4
SW
7
0.4
SW
6
0.4
SW
6
0.2
WSW
6
0.5
SW
4
0.9
SW
5
0.9
SW
5
0.8
SW
5
1.1
SW
5
1.1
SW
6
Wave Graph
Metric surfscale
Energy kJ
243
175
127
81
57
45
26
20
17
11
10
10
4
7
37
38
31
58
79
Wind (km/h)
30
SW
20
SW
15
SW
10
SW
20
SW
10
WSW
5
SSW
5
SW
10
SW
10
S
10
S
15
S
15
SSW
15
S
20
SSW
20
SSW
20
SSW
25
SSW
25
SSW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
on
glassy
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
High Tide
9:43PM4.83m
10:03AM4.45m
10:20PM4.70m
10:39AM4.35m
Low Tide
4:27PM0.14m
4:53AM0.03m
4:59PM0.23m
5:23AM0.25m
5:28PM0.40m
light rain
cloud
light rain
light rain
light rain
light rain
part cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
clear
light rain
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:46
6:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:39
7:37
7:35
 mm
1
1
1
1
1
1
1
Temp °C
17
17
17
17
16
16
18
19
18
17
16
16
17
17
16
17
17
18
18
Feels °C
14
15
16
17
14
16
19
19
18
18
16
16
16
17
14
15
16
16
16
  • 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 

Eyeball surf reportRecent Eyeball Surf Reports for Wales - Mid

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