Surf Forecast Surf Report
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Beach And Point
Porth Nefyn location map

Porth Nefyn surf Forecast / Wales – Lleyn / UK

12 Day Weather and Surf, issued 5 am Thursday 28 Mar 2024 GMT
Forecast update in  hr  min  s Update imminent
Porth Nefyn surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Nefyn sea temperature is 9.3°C (Statistics for 28 Mar 1981-2005 - mean: 8.0 °C max: 9.2 °C min: 6.2 °C)
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
Porth Nefyn surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Nefyn sea temperature is 9.3°C (Statistics for 28 Mar 1981-2005 - mean: 8.0 °C max: 9.2 °C min: 6.2 °C)


Best Forecast Surf Conditions for Porth Nefyn this week:

The surf forecast for Porth Nefyn over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Mar 28) at 6PM. The primary swell is predicted to be 1.0m and 11s period with a secondary swell of 0.4m and 4s. Another secondary swell of 0.4m and 3s is also forecast. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Porth Nefyn in the next 12 days are 3.0m 9s and forecast to arrive on Friday (Mar 29) at 6PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Friday (Mar 29) at 6AM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Thu 28th Mar)3.5ft (1.0m) 11s
Best Surf 3AM (Fri 29th Mar)3.5ft (1.0m) 12s
Most Powerful 6PM (Fri 29th Mar)10ft (3.0m) 9s

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

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Quick surf report for Porth Nefyn:

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Updates in  hr  min  s Update imminent
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
SW
0.8
SW
1.6
SW
1.9
SW
2.3
SW
2
SW
1.6
SSW
1.4
SW
1.2
SW
0.8
SW
0.7
SW
0.6
SW
0.4
SW
0.3
SW
0.3
SW
0.2
WSW
0.6
SW
1
SW
1.1
SW
1
SW
1.3
SW
1
SW
0.9
SW
0.6
SW
1.4
SW
1.7
SW
1.5
SW
1.7
SSW
2.4
SW
2.1
SW
2
WSW
1.9
SW
1.4
SW
1.7
SW
1.6
SW
2.1
SW
Period(s) (?)99121161099109888771299910101011119910101213131311111110
Wave
Graph
(?)Metric surfscale
Energy (?)11299699894439708364304262112714020971455166188192335208182903255134335651693147913591174415647595851
Wind
(km/h)
30
SSE
25
SE
25
SSW
40
S
50
S
30
SSW
35
SSE
25
S
20
SE
30
SE
25
E
15
E
5
ESE
5
W
10
SW
15
S
10
SE
15
SSE
20
SSE
10
SE
15
ESE
10
NNE
20
N
5
ESE
40
SSE
40
S
40
S
45
S
50
SSW
35
SW
25
SSW
20
S
10
NW
20
SSW
15
SSW
25
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off
cross-
off
cross-
off
offcross-
off
offoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glasscross-
off
offoffoffoffcross-
off
cross-
off
cross-
on
oncross-
off
offoffoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
10:09AM
3.69
10:23PM
3.54
10:39AM
3.55
10:53PM
3.43
11:11AM
3.36
11:28PM
3.26
11:49AM
3.14
12:10AM
3.05
12:38PM
2.88
1:08AM
2.82
1:49PM
2.63
2:33AM
2.68
3:33PM
2.56
4:15AM
2.82
5:07PM
2.77
5:29AM
3.17
6:09PM
3.10
6:23AM
3.58
6:57PM
3.44
7:10AM
3.96
7:40PM
3.74
7:54AM
4.24
8:21PM
3.96
Low Tide
/ height (m)
5:05PM
0.44
5:18AM
0.52
5:36PM
0.65
5:52AM
0.72
6:11PM
0.88
6:30AM
0.95
6:52PM
1.12
7:22AM
1.17
7:53PM
1.32
8:41AM
1.32
9:22PM
1.41
10:19AM
1.25
10:55PM
1.28
11:43AM
0.93
12:07AM
0.98
12:44PM
0.50
1:03AM
0.62
1:35PM
0.08
1:50AM
0.28
2:20PM
-0.24
2:35AM
0.01
3:03PM
-0.42
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Sunrise5:58--5:56--5:54--5:52--5:48--5:47--5:45--5:41--5:39--5:37--5:35--5:33--
Sunset-6:46--6:49--6:51--6:52--6:53--6:55--6:58--6:59--7:00--7:02--7:05--7:07-
light rainheavy rainrain showersrain showersthunderstorm thunderstorm part cloudclearpart cloudcloudcloudpart cloudcloudcloudclearrain showerslight rainheavy rainlight rainlight rainlight raincloudcloudlight rainmod rainlight rainrain showerslight rainrain showerspart cloudlight rainlight raincloudrain showerscloudheavy rain
Rain (mm)
2113223---------1111235--2104312-12-2-19
Temp. °C67899991091112109109101110101010767111111111110101010101111
Feels °C (?)-1120-11243474787687688411444322458787

Short Range Forecast: Heavy rain (total 23mm), heaviest during Thu afternoon. Very mild (max 10°C on Sat afternoon, min 5°C on Thu morning). Winds increasing (light winds from the W on Thu afternoon, strong winds from the S by Fri afternoon).

Days 3-6 Weather Summary Moderate rain (total 13mm), heaviest on Tue night. Very mild (max 12°C on Sun afternoon, min 8°C on Sun night). Winds decreasing (fresh winds from the SE on Sun morning, calm by Mon afternoon).

Days 6-9 Weather Summary Heavy rain (total 29mm), heaviest during Fri morning. Very mild (max 11°C on Fri morning, min 5°C on Thu afternoon). Winds increasing (light winds from the ESE on Thu night, strong winds from the S by Fri afternoon).

Long Range Forecast: Heavy rain (total 30mm), heaviest during Mon night. Very mild (max 11°C on Sat morning, min 9°C on Sat night). Winds decreasing (strong winds from the S on Sat morning, light winds from the E by Sun afternoon).

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Information about the Porth Nefyn Surf forecast

The above surf forecast table for Porth Nefyn provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Porth Nefyn can be found by selecting the local surf guide option on the grey menu. Our Porth Nefyn 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 Nefyn) 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 Nefyn 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 Lleyn Peninsula? If you are looking for accommodation near Porth Nefyn, camping, hotels and holiday cottages in Lleyn Peninsula, consider staying in Porthmadog which is 27 km (17 miles) away. Other places in and around Lleyn Peninsula where you can find information about places to rent, and car hire include Anglesey which is 35 km (22 miles) away, Holyhead, Bangor and Llandudno.

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