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Surf Forecasts:

Harlech surfForecast / Wales – Mid / UK

information circle48hr Weather and Surf, issued 5 pm Tuesday 20 Jan 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Harlech surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Harlech sea temperature is
6.7° C
 (Which is 1.8°C colder than average for this time of year)

How big are the waves at Harlech today?

The current surf forecast for Harlech at 12AM is: 1.0m 9s primary swell from a Southwest direction and 0.3m 13s secondary swell from a West-southwest direction (forecast issued at 05:00pm January 20). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (21 Jan)2.5ft (0.8m)9s
Afternoon (21 Jan)1.5ft (0.5m)9s
Evening (21 Jan)1.5ft (0.5m)9s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM
Rating
(10 max)
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
2
0
0
1
1
1
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
SW
1.2
SSW
0.9
SSW
1
SW
1.2
SW
1
SW
0.8
WSW
0.6
WSW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.7
SW
0.5
WSW
0.8
WSW
0.9
WSW
1
WSW
0.7
WSW
0.4
WSW
0.7
WSW
0.6
WSW
0.4
WSW
0.4
SW
0.5
WSW
Period(s) (?)99899999999910161616151514101010918
Wave
Graph
(?)Metric surfscale
Energy kJ (?)651991111452301591065439403739961513024304281917085633622193
Wind
(km/h)
45
SE
30
SSW
20
SSE
20
SSE
15
SE
15
ESE
35
ESE
40
ESE
30
SE
35
SE
25
SE
20
SE
15
SE
20
ESE
20
SE
15
SE
15
WSW
15
SW
15
SE
15
E
20
E
35
ESE
45
ESE
35
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		crosscross-
off		cross-
off		cross-
off		offoffoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
on		cross-
on		cross-
off		offoffoffoffcross-
off
High Tide
/ height (m)
9:12PM
3.99
9:30AM
4.44
9:48PM
4.03
10:06AM
4.47
10:26PM
4.00
10:44AM
4.41
Low Tide
/ height (m)
4:10PM
0.41
4:14AM
0.50
4:45PM
0.39
4:46AM
0.53
5:20PM
0.43
5:18AM
0.63
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sunrise------8:15-------8:14-------8:12-
Sunset4:37-------4:39-------4:42-------
light rain
mod rain
light rain
part cloud
cloud
part cloud
cloud
rain showers
light rain
light rain
light rain
cloud
cloud
cloud
cloud
light rain
light rain
rain showers
clear
cloud
part cloud
cloud
cloud
light rain
Rain (mm)
172----1111----231-----1
Temp. °C876666681010109999877655666
Feels °C (?)-101111-2-1435455443321-1-2-5-2
  • 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

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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.

View detailed surf forecast for Harlech at:
surf-forecast.com

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