Beach

both

Level 5/10

Porth Neigwl

Lleyn Peninsula, North Wales, UK

🌀Strong rips🪨Rocks

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Porth Neigwl--or Hell's Mouth--is a sweeping 3-mile beach on the Lleyn Peninsula that catches SW-S swells.

Porth Neigwl surf forecast

Model forecast for swell, wind and tide.

10-Day Forecast

Today23

Poor

0.4mWSW@9s

18km/h

0.4m@9s

18km/h

Thu24

Poor

0.3mWSW@6s

23km/h

0.3m@6s

23km/h

Fri25

Poor

0.6mSW@11s

10km/h

0.6m@11s

10km/h

Sat26

Poor

0.4mSW@3s

28km/h

0.4m@3s

28km/h

Sun27

Poor

1.2mSW@7s

33km/h

1.2m@7s

33km/h

Mon28

Poor

0.6mSW@11s

9km/h

0.6m@11s

9km/h

Tue29

Poor

0.3mSW@7s

30km/h

0.3m@7s

30km/h

Wed30

Poor

1.2mSW@12s

36km/h

1.2m@12s

36km/h

Thu1

Poor

1.6mSW@14s

33km/h

1.6m@14s

33km/h

Fri2

Poor

0.5mWNW@6s

4km/h

0.5m@6s

4km/h

Choppy 5+ days out, less certain

View 2-year historical scores →

Today's Conditions

Find Flights

Best session: AfternoonAM 14 km/h · PM 16 km/h · Low tide at 1pm (0.8m)

Swell

0.4m

WSW(256°)

Score: 1/25

Period

Short period / windswell

Score: 9/25

Wind

18km/h

NNW(328°)

Score: 1/25

Weather

15°C

0.1mm78%

First light 6:35amSunrise 7:05amSunset 7:14pmLast light 7:44pm

Windswell0.4m@3sSecondary0.2mConfidence

100%

Location & Conditions

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Swell

Wind

Showing forecast for today

Hourly Forecast, Tide & Strike Windows

Strike window: 10:36am–3:25pm · through lowIdeal tide: low

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

°C

16°

15°

16°

14°

12°

14°

16°

17°

14°

13°

14°

16°

17°

16°

15°

6°

9°

15°

14°

10°

12°

13°

16°

17°

15°

16°

17°

16°

15°

16°

17°

16°

12°

14°

16°

15°

13°

2m1.0

sec

15s

12s

11s

16s

15s

11s

12s

14s

swell

windkm/h

14g25

13g22

25g43

23g41

9g17

14g23

21g36

28g47

26g45

21g35

14g22

10g16

6g11

10g18

15g23

18g26

24g38

30g49

34g55

31g50

37g58

40g64

39g61

27g44

19g30

7g9

9g14

11g21

9g16

4g7

20g32

25g43

33g57

35g63

37g64

29g51

33g53

37g63

39g68

39g70

35g64

35g61

32g63

29g64

3g24

3g17

5g15

6g18

tidem

1:31am0.9m

7:02am2.9m

1:37pm0.8m

7:09pm3.2m

2:01am0.5m

7:36am3.0m

2:01pm0.9m

7:36pm3.7m

2:38am0.4m

7:55am3.4m

2:39pm0.5m

7:58pm3.8m

2:55am0.2m

8:18am3.7m

3:02pm0.3m

8:25pm4.2m

3:31am0.2m

8:41am4.0m

3:35pm0.2m

8:57pm4.3m

4:00am0.0m

9:13am4.1m

4:08pm0.2m

9:27pm4.4m

4:31am0.2m

9:51am4.5m

4:52pm0.4m

10:04pm4.3m

5:14am0.2m

10:24am4.0m

5:26pm0.4m

5:56am0.6m

11:06am4.0m

6:22pm0.6m

Ideal tide (from tide preference)Strike windowNight

Tide times today

1:31 am

Low tide - 0.90m

7:02 am

High tide - 2.88m

1:37 pm

Low tide - 0.85m

7:09 pm

High tide - 3.20m

Times shown in spot-local time.

Strike Score Breakdown

Poor

Components

Swell Direction6/25

Swell Size1/25

Swell Period9/25

Wind1/25

Raw Score17/100

Adjustments

🌊💨 Windswell-5

💨 Gusty Wind-5

⚠️ Weak Component-5

📉 Undersized Swell-9

🚫 Undersized Capmax 15

Adjusted Score0/100

Confidence

Multiplier×1.00

Final Score0

🌊💨 Windswell

Plan Your Strike

Return flights to LPL, departing today with a 5-day trip window.

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Location & Conditions

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Swell

Wind

Showing forecast for today

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Spot Details

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Swell Requirements

Optimal direction: SSW (210°)
Direction range: 190° - 250°
Size range: 1m - 2.5m
Ideal size: 1.7m - 2.1m
Height multiplier: 0.97×
Ideal period: 12s+

Wind Requirements

Optimal direction: NNE (20°)
Offshore range: 350° - 60°

Tide Requirements

Optimal tide: low

Water temp

11°C

Wetsuit

5/4mm + boots

Difficulty

5/10

Crowd level

6/10

Frequently Asked Questions

What tide is best at Porth Neigwl?

The Porth Neigwl profile favors low tide. Compare this preference with the forecast tide and local conditions before choosing a session.

What wind direction is offshore at Porth Neigwl?

The Porth Neigwl profile uses wind from NNE (20°) as its preferred direction, with an offshore range of 350° to 60°. Wind speed matters too: light winds outside that range can still produce surfable conditions, while strong offshore winds can make takeoffs difficult.

What swell size and direction work best at Porth Neigwl?

The Porth Neigwl scoring profile favors swell from SSW (190° to 250°), a swell-height range of 1m to 2.5m, and a reference period of 12s. These are model inputs, not guaranteed breaking-wave heights or a promise that the surf will suit every ability.