Llangennith Surf Break

Lat Long: 51.59° N 4.30° W

Llangennith Surf Forecast and Surf Report

Issued: 6 am 26 Jul 2026 (local time)

Forecast update in  hr  min

Today's Llangennith sea temperature is
20.2° C
4.2° 

Llangennith surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Llangennith surf forecast from 26 Jul 2026:

  • Best quality surf: Sunday 2 Aug, 10AM (local time) - 4ft (1.2m), 9s period, WSW swell with offshore winds.
  • Most powerful swell: Sunday 26 Jul, 1PM (local time) - 5.5ft (1.7m), 7s period, W swell with 298 kJ wave energy.
  • Next surfable swell (1★+): Sunday 2 Aug, 4AM (local time) - 1.5ft (0.5m), 11s period with W swell.

Best Forecast Surf Conditions for Llangennith this week:

The surf forecast for Llangennith over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 02) at 4AM. The primary swell is predicted to be 0.5m and 11s period with a secondary swell of 0.3m and 6s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Llangennith in the next 16 days are 1.7m 7s and forecast to arrive on Sunday (Jul 26) at 1PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Sunday (Aug 02) at 10AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Sun 2nd Aug)1.5ft (0.5m) 11s
Best Surf10AM (Sun 2nd Aug)4ft (1.2m) 9s
Most Powerful 1PM (Sun 26th Jul)5.5ft (1.7m) 7s

Table - best surf conditions forecast for Llangennith over the next 16 days.


The Lowdown

G’day, this is Rusty. Alright, lookin’ at the next 16 days for Llangennith, and I’ll be straight with ya – it’s a long, frustrating wait for anything worth paddlin’ out for. The water’s sitting at 68°F right now, which is much warmer than usual for this time of year, so that’s a nice surprise if you’re just havin’ a splash, but the surf? A tough watch.

The first week is a real write-off. From the 26th of July through to the 31st, it’s all poor surf conditions. We’ve got onshore and cross-onshore winds from the west and northwest, mostly fresh breezes, and the swell is small and weak. On the 30th, there’s a brief bump of moderate wave energy (134) but the west-southwest wind is blowin’ straight onshore, so it’s just lumpy and messy. The 1st of August is more of the same – light winds but the swell’s all but gone, with combined energy barely hittin’ 33. You’re better off stayin’ on the beach.

Then there’s a short, quiet gap. The 2nd of August Sunday morning finally shows a glimmer. The wind goes light offshore from the east-northeast, and the swell cleans up. Llangennith gets a 4ft groundswell from the west-southwest with a long period of 9 seconds, and the combined energy jumps to 237 (moderate). The water’s still warm, the break is exposed to the west, and the swell direction is bang on for the optimum. This is your one standout. It’s a consistent spot for beginners, but the crowds are sometimes an issue, so get there early. That morning window is clean, glassy, and the best on offer. The afternoon turns marginal with the wind swinging onshore, so don’t sleep in.

From the 3rd of August, it’s back to poor again. Rain showers, cross-shore winds, and small, weak swell. The 6th of August afternoon sees a sizeable jump to 7ft (318 combined energy), but it’s cross-onshore from the north-northwest and choppy – not worth it. The 7th of August Friday morning brings a big 10ft swell from the west-southwest with a very long period of 10 seconds and massive combined energy of 1601 (very strong), but the wind is onshore from the west-southwest at 15 mph. That’s for experts only, and with the onshore wind, it’s going to be a raw, messy, drift-fest. The 8th of August cleans up a bit, but the wind is a strong 25 mph cross-shore, making it a complete mess.

After that, the 9th and 10th of August just fade out into small, weak, and onshore rubbish. Honestly, the 2nd of August Sunday morning is the only real window. If you’re a beginner, that 4ft clean swell is your session. For everyone else, it’s a long wait for a short window.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 21°C on Tue afternoon, min 14°C on Sun night). Winds decreasing (fresh winds from the NW on Sun morning, calm by Tue night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 24°C on Wed morning, min 13°C on Thu night). Wind will be generally light.

Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Saturday
1
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
W
7
1.7
W
7
1.2
W
7
1.1
W
7
1
WSW
6
1
W
6
0.7
WSW
6
0.5
W
5
0.4
WSW
5
0.3
WSW
5
0.3
WSW
5
0.2
W
10
1.1
WSW
6
1.3
WSW
6
1.1
WSW
6
0.9
WSW
6
0.9
WSW
6
0.5
W
5
0.7
W
6
0.4
WSW
5
0.2
WSW
6
Wave Graph
Metric surfscale
Energy kJ
315
282
134
110
77
76
33
13
8
5
5
8
80
134
98
58
62
12
31
8
3
Wind (km/h)
30
WNW
30
WNW
20
WNW
20
W
25
WSW
15
SW
10
SSW
10
WNW
5
NNE
10
SE
15
W
15
WSW
25
W
20
WSW
15
WNW
15
WNW
25
W
15
W
10
NW
20
WSW
10
N
Wind State
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
on
cross-off
cross-off
on
on
on
on
cross-on
on
on
on
cross-on
on
cross
High Tide
5:18PM6.29m
5:43AM6.38m
6:05PM6.72m
6:26AM6.77m
6:46PM7.16m
7:04AM7.15m
7:22PM7.55m
7:40AM7.47m
7:57PM7.87m
8:14AM7.70m
8:30PM8.07m
8:47AM7.83m
9:04PM8.16m
Low Tide
11:02AM2.48m
11:32PM2.28m
11:53AM2.12m
00:19AM1.89m
12:35PM1.72m
00:58AM1.50m
1:12PM1.35m
1:34AM1.18m
1:46PM1.06m
2:08AM0.93m
2:18PM0.86m
2:40AM0.78m
2:50PM0.77m
3:11AM0.73m
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:30
5:31
5:33
5:35
5:35
5:37
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:15
9:14
9:12
9:10
9:08
9:07
9:06
 mm
Temp °C
18
19
18
17
18
18
19
21
20
24
22
18
17
17
16
16
17
16
16
18
17
Feels °C
13
14
15
14
15
18
19
21
21
23
21
17
13
13
13
11
12
13
13
14
13
  • 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 Llangennith Surf forecast

The above surf forecast table for Llangennith provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Llangennith can be found by selecting the local surf guide option on the grey menu. Our Llangennith 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 (Llangennith) 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 Llangennith 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.

Llangennith is 24 km (15 miles) from Swansea. If you plan a holiday in Wales - Gower, look for hotels and other accommodation in Swansea. Swansea has rooms for a wide range of budgets as well as car hire and transport links.

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