Porth Nobla surfForecast / Wales – Anglesy / UK

information circle12 Day Weather and Surf, issued 6 pm Wednesday 02 Jul 2025 BST
Forecast update in hr  min  s Forecast update imminent
Porth Nobla surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Nobla sea temperature is
14.9° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Porth Nobla this week:

The most powerful waves expected at Porth Nobla in the next 12 days are 1.9m 6s and forecast to arrive on Friday (Jul 04) at 10PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 6s period and expected on Monday (Jul 07) at 1AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful10PM (Fri 4th Jul)6ft (1.9m) 6s

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

Updates in  hr  min  s Forecast update imminent
Wed
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Mon
14
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.2
W
0.4
NW
0.4
SW
0.8
SW
0.7
SW
0.6
SW
1.3
SSW
1.9
SW
1.4
SW
1.1
SW
1.4
WSW
1.3
WNW
1.4
NW
0.3
SW
0.1
SW
0.4
WNW
0.1
SW
0.4
W
0.8
SW
0.7
NW
0.7
NW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.2
SSW
0.5
SW
0.3
SW
0.2
WSW
0.2
NNW
0.1
SW
0.1
SW
0.2
WSW
Period(s) (?)335444566655566463444345344-44-33642
Wave
Graph
(?)Metric surfscale
Energy (?)2820171813872691679299129131615132527215511452073010111
Wind
(km/h)
10
WNW
15
WNW
15
SW
30
SSW
15
WSW
30
SSW
40
SW
30
SW
25
SW
25
SSW
25
W
35
WNW
35
NW
40
NW
35
NW
20
NW
15
NNW
15
WNW
15
WSW
15
S
15
S
20
SSW
15
S
20
SW
20
SSW
15
S
20
S
30
S
25
S
30
S
30
SSW
15
SSW
10
NNW
10
NW
10
S
15
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crossononcross-
on
ononononcross-
on
cross-
on
cross-
on
crosscrosscrosscrosscross-
off
crossoncross-
on
cross-
on
oncross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
off
crosscross-
on
on
High Tide
/ height (m)
3:49AM
3.37
4:35PM
2.99
4:50AM
3.20
5:35PM
2.98
5:52AM
3.11
6:32PM
3.03
6:51AM
3.09
7:25PM
3.13
7:46AM
3.15
8:13PM
3.26
8:34AM
3.24
8:56PM
3.42
9:17AM
3.35
9:36PM
3.58
9:56AM
3.46
10:13PM
3.74
10:32AM
3.54
10:48PM
3.89
11:08AM
3.59
11:22PM
4.01
11:43AM
3.62
11:58PM
4.08
12:21PM
3.61
Low Tide
/ height (m)
9:51PM
1.20
10:35AM
1.04
10:48PM
1.35
11:32AM
1.19
11:56PM
1.43
12:36PM
1.26
1:07AM
1.38
1:38PM
1.22
2:08AM
1.24
2:31PM
1.11
2:58AM
1.05
3:16PM
0.96
3:42AM
0.84
3:57PM
0.79
4:22AM
0.65
4:35PM
0.63
5:02AM
0.47
5:13PM
0.51
5:40AM
0.34
5:50PM
0.43
6:20AM
0.25
6:29PM
0.42
7:00AM
0.22
Wed
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Mon
14
Sunrise--4:56--4:56--4:58--4:58--4:58--5:00--5:01--5:01--5:03--5:05--5:05--5:07
Sunset9:47--9:46--9:46--9:45--9:45--9:45--9:44--9:44--9:43--9:42--9:40--9:39--
clearclearpart cloudpart cloudpart cloudcloudlight rainlight rainpart cloudcloudrain showersrain showerscloudpart cloudclearclearclearclearclearpart cloudcloudpart cloudpart cloudpart cloudcloudpart cloudclearclearpart cloudpart cloudcloudpart cloudcloudclearpart cloudclear
Rain (mm)
------23--11------------------------
Temp. °C151513151714141516161514151414161313141416161616171617171617181615161515
Feels °C (?)12138111388121313117878111010121113131413141514121312141513141310

Short Range Forecast: Light rain (total 5mm), mostly falling on Fri afternoon. Very mild (max 17°C on Thu night, min 12°C on Wed night). Winds increasing (light winds from the WNW on Wed afternoon, strong winds from the SW by Fri afternoon).

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Sat night. Very mild (max 16°C on Sat afternoon, min 12°C on Mon night). Winds decreasing (strong winds from the NW on Sun night, light winds from the NNW by Mon night).

Days 6-9 Weather Summary Mostly dry. Very mild (max 17°C on Thu afternoon, min 14°C on Tue afternoon). Mainly fresh winds.

Long Range Forecast: Mostly dry. Very mild (max 18°C on Sat afternoon, min 13°C on Sun night). Winds decreasing (fresh winds from the SSW on Sat morning, light winds from the NNW by Sun morning).

  • 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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Information about the Porth Nobla Surf forecast

The above surf forecast table for Porth Nobla provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Porth Nobla can be found by selecting the local surf guide option on the grey menu. Our Porth Nobla 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 (Porth Nobla) 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 Porth Nobla 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.

Are you planning a holiday in Anglesy? If you are looking for accommodation near Porth Nobla, camping, hotels and holiday cottages in Anglesy, consider staying in Anglesey which is 2 km (1 miles) away. Other places in and around Anglesy where you can find information about places to rent, and car hire include Holyhead which is 12 km (7 miles) away, Bangor, Porthmadog and Llandudno.

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