Reef
both
Level 8/10

Porthleven Reef

South Cornwall, UK
🪸Sharp reef🪨Rocks🌀Strong rips👥Crowded⚠️Shallow

Porthleven is Cornwall's heavy-water arena--a powerful reef break that detonates beside the harbour wall when sizeable SW groundswells wrap into Mount's Bay. The wave is an A-frame but the right is the prize.

Porthleven Reef surf forecast

Model forecast for swell, wind and tide.

10-Day Forecast
Today8
15
Poor
0.5m@9s
10km/h
Mon9
0
Poor
0.7m@11s
31km/h
Tue10
51
Fair
2.8m@12s
22km/h
Wed11
31
Poor
2.6m@9s
23km/h
Thu12
26
Poor
1.6m@9s
21km/h
Fri13
0
Poor
1.2m@7s
39km/h
Sat14
0
Poor
0.8m@5s
23km/h
Sun15
2
Poor
0.5m@8s
11km/h
Mon16
0
Poor
0.8m@9s
25km/h
Tue17
0
Poor
0.0m@11s
28km/h
Choppy 5+ days out, less certain

Today's Conditions

Find Flights
Best session: MorningAM 9 km/h · PM 10 km/h · Low tide at 9am (0.0m)
Swell
0.5m
SW(222°)
Score: 1/25
Period
9s
Short period
Score: 4/25
Wind
10km/h
E(94°)
Score: 11/25
Weather
10°C
0.0mm40%
First light 6:52amSunrise 7:22amSunset 4:46pmLast light 5:16pm
Windswell
0.2m@2s
Secondary
0.2m
Confidence
100%

Location & Conditions

Loading map...
Swell0.5m @9s SW in window
Wind10 km/h E cross-shore
SwellWind: Offshore Cross Onshore
Showing forecast for today · all day

Hourly Forecast, Tide & Strike Windows

Strike window: 6:52am–1:19pm · through lowIdeal tide: low to mid
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
6°
8°
13°
13°
10°
12°
13°
14°
13°
13°
14°
14°
15°
15°
14°
14°
14°
15°
14°
14°
14°
14°
14°
14°
14°
10°
10°
11°
11°
11°
10°
11°
11°
9°
7°
8°
9°
10°
8°
6°
11°
13°
15°
15°
14°
13°
13°
13°
12°
11°
4m2.0
sec
12s
8s
8s
8s
8s
7s
8s
12s
12s
12s
11s
11s
11s
12s
12s
10s
9s
9s
9s
9s
9s
9s
9s
9s
9s
9s
9s
7s
7s
5s
5s
5s
5s
5s
6s
9s
10s
4s
9s
9s
8s
9s
10s
9s
8s
11s
11s
11s
11s
11s
swell
windkm/h
8g14
9g16
10g20
11g20
10g19
26g48
32g59
36g68
33g62
27g51
25g38
22g35
23g36
20g32
23g36
31g49
24g37
24g37
20g32
18g27
17g25
18g27
19g30
25g38
26g40
39g61
39g62
40g63
39g62
39g61
38g60
36g57
19g37
12g33
11g32
10g24
12g27
15g30
11g30
7g29
21g37
23g47
27g55
26g53
28g50
34g72
30g70
27g66
27g58
26g51
tidem
3:13am4.1m
9:51am0.0m
3:28pm4.3m
10:10pm0.0m
3:49am4.3m
10:30am0.1m
4:07pm4.4m
4:20am4.5m
11:04am0.3m
4:39pm4.4m
4:55am4.5m
11:37am0.4m
5:11pm4.3m
5:26am4.5m
12:08pm0.6m
5:46pm4.2m
6:01am4.2m
12:42pm0.6m
6:21pm3.9m
12:52am0.7m
6:38am3.9m
1:15pm0.7m
7:00pm3.6m
1:25am0.8m
7:21am3.8m
1:53pm0.9m
7:44pm3.5m
2:07am1.1m
8:08am3.6m
2:41pm1.1m
8:34pm3.3m
Ideal tide (from tide preference)Strike windowNight

Tide times today

3:13 am
High · 4.14m
9:51 am
Low · 0.00m
3:28 pm
High · 4.27m
10:10 pm
Low · 0.02m
Times shown in spot-local time.

Strike Score Breakdown

15
Poor
Components
Swell Direction23/25
Swell Size1/25
Swell Period4/25
Wind11/25
Raw Score39/100
Adjustments
📉 Undersized Swell-10
🚫 Undersized Capmax 15
Adjusted Score29/100
Confidence
Multiplier×1.00
Final Score15

Plan Your Strike

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

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Swell Requirements

Optimal direction
SW (225°)
Direction range
200° - 260°
Size range
1.2m - 3.6m
Ideal size
2.3m - 3m
Height multiplier
0.92×
Ideal period
14s+

Wind Requirements

Optimal direction
N (0°)
Offshore range
315° - 70°

Tide Requirements

Optimal tide
low to mid

Water temp

12°C

Wetsuit

5/4mm + boots

Difficulty

8/10

Crowd level

5/10

Frequently Asked Questions

What kind of wave is Porthleven Reef?

Porthleven Reef is a reef break in South Cornwall, UK, with peaks that run both left and right.

What swell works best at Porthleven Reef?

Porthleven Reef picks up swell from the SSW round to the W, and it's best when it's coming straight out of the SW. It starts working at around 1.2m and handles up to about 3.6m, with the sweet spot around 2.3 to 3m. Period matters too: aim for 14s or longer, as anything under 10s tends to be weak. These are the numbers our scoring uses, so treat them as a guide rather than a promise.

What wind is offshore at Porthleven Reef?

A N wind is dead offshore at Porthleven Reef, and anything from the NW round to the ENE keeps it clean. The morning is typically the best window, roughly 6am to 11am. Light winds from other directions can still be fine; strong offshores can make it hard to get into waves.

What tide is best at Porthleven Reef?

Porthleven Reef is at its best around the low to mid tide.

When is the best time of year to surf Porthleven Reef?

The most reliable run of swell at Porthleven Reef comes Oct to Mar. There's a second window in Apr and Sep too. Winter storms bring the best swells.

How cold is the water at Porthleven Reef?

The water at Porthleven Reef averages around 12°C, so you'll want a 5/4mm with boots. It shifts a few degrees through the year, so check the season before you pack.

Is Porthleven Reef good for beginners?

Not really. It's rated 8/10 for difficulty and suits experienced surfers. Expect a moderate crowd (5/10) when it's on. Extremely powerful wave breaking next to harbour wall. Shallow reef. Rocks everywhere. Very crowded when on.

How do I get to Porthleven Reef?

The nearest airport on our list is NQY, then it's roughly a one-hour drive.

What other surf spots are near Porthleven Reef?

The closest breaks we track are Praa Sands (5.1 km), Porthtowan (23 km) and St Agnes (26 km), handy when Porthleven Reef isn't working. Fun fact: it's the second most southerly break we track in UK.

Best Season

Peak: Oct, Nov, Dec, Jan, Feb, Mar

Secondary: Apr, Sep

Winter storms bring the best swells

Getting There

Airport
NQY
Drive time
60 min
Data quality
verified

Strike Log

Community Discussion