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Surf Forecasts:

Llandanwg surfForecast / Wales – Mid / UK

information circle12 Day Weather and Surf, issued 5 pm Monday 02 Feb 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Llandanwg surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Llandanwg sea temperature is
6.8° C
 (Which is 1.3°C colder than average for this time of year)

Best Forecast Surf Conditions for Llandanwg this week:

The surf forecast for Llandanwg over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Feb 07) at 6AM. The primary swell is predicted to be 0.9m and 14s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Llandanwg in the next 12 days are 0.9m 14s and forecast to arrive on Saturday (Feb 07) at 6AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Thursday (Feb 05) at 3AM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Sat 7th Feb)3ft (0.9m) 14s
Best Surf 6AM (Sat 7th Feb)3ft (0.9m) 14s
Most Powerful 6AM (Sat 7th Feb)3ft (0.9m) 14s

Table - best surf conditions forecast for Llandanwg over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 4mm), mostly falling on Tue morning. Mild temperatures (max 8°C on Mon afternoon, min 4°C on Tue morning). Winds increasing (light winds from the ESE on Tue night, strong winds from the E by Thu morning).

Days 3-6 Weather Summary Moderate rain (total 13mm), heaviest on Thu afternoon. Very mild (max 10°C on Sun morning, min 4°C on Thu night). Winds decreasing (strong winds from the E on Thu afternoon, light winds from the ESE by Sun morning).

Mon
02
Tuesday
03
Wednesday
04
Thursday
05
Friday
06
Saturday
07
Sunday
08
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
SW
0.2
WSW
0.2
WSW
0.5
WSW
0.7
WSW
0.4
WSW
0.3
WSW
0.4
SW
0.2
WSW
0.5
WSW
0.5
WSW
0.5
WSW
0.5
WSW
0.8
WSW
0.9
WSW
0.8
WSW
0.6
WSW
0.5
SW
0.4
WSW
0.4
WSW
0.4
SW
Period(s) (?)8101716161413922141716151513121111111110
Wave
Graph
(?)Metric surfscale
Energy kJ (?)231129149212793222461161701471352422771847956464425
Wind
(km/h)
30
ESE
35
E
35
E
20
E
20
E
15
E
25
ESE
35
E
40
E
40
E
25
E
25
ENE
30
ENE
15
SSE
15
E
30
ESE
15
SSE
10
ESE
15
SE
25
ESE
35
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
off		cross-
off		crosscross-
off		crosscross-
off		cross-
off
High Tide
/ height (m)
8:29PM
4.26
8:48AM
4.77
9:10PM
4.29
9:28AM
4.78
9:50PM
4.21
10:08AM
4.64
10:28PM
4.06
10:46AM
4.38
11:06PM
3.84
11:24AM
4.04
11:43PM
3.58
12:02PM
3.65
12:23AM
3.29
Low Tide
/ height (m)
3:29PM
-0.01
3:38AM
0.21
4:08PM
-0.05
4:14AM
0.22
4:45PM
0.05
4:47AM
0.33
5:18PM
0.25
5:18AM
0.51
5:49PM
0.52
5:46AM
0.73
6:16PM
0.82
6:14AM
0.99
6:44PM
1.12
6:48AM
1.25
Mon
02
Tuesday
03
Wednesday
04
Thursday
05
Friday
06
Saturday
07
Sunday
08
Sunrise--7:56--7:54--7:52--7:50--7:48--7:48--7:46
Sunset5:01--5:04--5:06--5:07--5:09--5:12--5:13--
part cloud
cloud
light rain
cloud
rain showers
clear
clear
part cloud
cloud
light rain
light rain
light rain
light rain
rain showers
part cloud
light rain
light rain
part cloud
part cloud
light rain
cloud
Rain (mm)
--2-2----21122-41--1-
Temp. °C87545887655588999101198
Feels °C (?)1-1-4-21320-3-4-2-1154226730
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Llandanwg 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 Llandanwg at:
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Information about the Llandanwg Surf forecast

The above surf forecast table for Llandanwg provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Llandanwg can be found by selecting the local surf guide option on the grey menu. Our Llandanwg surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Llandanwg) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Llandanwg may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Llandanwg is 10 km (6 miles) from Porthmadog. If you plan a holiday in Mid Wales, look for hotels and other accommodation in Porthmadog. Porthmadog has rooms for a wide range of budgets as well as car hire and transport links.

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