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Notice 21-10-2026. Over the coming 3 weeks we will be migrating to a newer version of Bigsalty. Whilst this happens we have removed login / user capabilities and some current weather functionality.

Llyn Brenig Weather Forecast

GFS 50km atmospheric forecast data for Llyn Brenig.

Sunday 25 October (Today)

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
27.9kts
46.1kts
0.3mm
50%
8°C
2°C
  • ●
  • ●
  • ●
03:00
28kts
47.1kts
0.4mm
65%
8°C
2°C
  • ●
  • ●
  • ●
06:00
27.5kts
45kts
0.7mm
56%
8°C
2°C
  • ●
  • ●
  • ●
09:00
26.3kts
44.6kts
0.3mm
14%
8°C
1°C
  • ●
  • ●
  • ●
12:00
25.8kts
40.8kts
0.5mm
10%
9°C
2°C
  • ●
  • ●
  • ●
15:00
23.5kts
41.1kts
0.1mm
5%
8°C
3°C
  • ●
  • ●
  • ●
18:00
20.3kts
32.7kts
0.2mm
4%
8°C
3°C
  • ●
  • ●
  • ●
21:00
18.6kts
28.5kts
0.1mm
42%
8°C
3°C
  • ●
  • ●
  • ●

Sunrise: 06:57 / Sunset: 16:59 Twilight: 06:21 / 17:34

Monday 26 October (Tomorrow)

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
14.3kts
24.5kts
0.1mm
24%
7°C
3°C
  • ●
  • ●
  • ●
03:00
9.9kts
21.7kts
0mm
2%
7°C
4°C
  • ●
  • ●
  • ●
06:00
8.6kts
20.6kts
0.1mm
5%
8°C
5°C
  • ●
  • ●
  • ●
09:00
11kts
28kts
2.8mm
68%
8°C
4°C
  • ●
  • ●
  • ●
12:00
11.8kts
28.8kts
6.2mm
75%
11°C
11°C
  • ●
  • ●
  • ●
15:00
17.2kts
32.6kts
0.7mm
100%
13°C
13°C
  • ●
  • ●
  • ●
18:00
16.9kts
35kts
0.9mm
100%
13°C
13°C
  • ●
  • ●
  • ●
21:00
16.8kts
34.9kts
0.1mm
89%
13°C
14°C
  • ●
  • ●
  • ●

Sunrise: 06:59 / Sunset: 16:56 Twilight: 06:23 / 17:32

Tuesday 27 October

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
20.6kts
41.7kts
0.1mm
86%
14°C
14°C
  • ●
  • ●
  • ●
03:00
20.6kts
43.3kts
1.8mm
83%
13°C
14°C
  • ●
  • ●
  • ●
06:00
14.5kts
31.2kts
3.9mm
79%
11°C
11°C
  • ●
  • ●
  • ●
09:00
17.3kts
22.8kts
2.2mm
81%
9°C
4°C
  • ●
  • ●
  • ●
12:00
19.6kts
30.9kts
2.8mm
64%
10°C
5°C
  • ●
  • ●
  • ●
15:00
17.5kts
26.3kts
0.3mm
34%
9°C
4°C
  • ●
  • ●
  • ●
18:00
13.9kts
25kts
0.4mm
21%
7°C
3°C
  • ●
  • ●
  • ●
21:00
13.6kts
24.9kts
0.1mm
2%
7°C
3°C
  • ●
  • ●
  • ●

Sunrise: 07:01 / Sunset: 16:54 Twilight: 06:25 / 17:30

Wednesday 28 October

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
12.3kts
24.1kts
0.1mm
3%
7°C
3°C
  • ●
  • ●
  • ●
03:00
12.8kts
24.5kts
0.1mm
6%
8°C
4°C
  • ●
  • ●
  • ●
06:00
12.9kts
24.6kts
0.1mm
3%
8°C
5°C
  • ●
  • ●
  • ●
09:00
14.1kts
25.1kts
0mm
22%
10°C
10°C
  • ●
  • ●
  • ●
12:00
13.3kts
23.2kts
0.2mm
52%
11°C
11°C
  • ●
  • ●
  • ●
15:00
12.6kts
21.7kts
0.2mm
77%
12°C
11°C
  • ●
  • ●
  • ●
18:00
11kts
19.8kts
0.2mm
75%
11°C
11°C
  • ●
  • ●
  • ●
21:00
6.1kts
12.6kts
0mm
82%
11°C
10°C
  • ●
  • ●
  • ●

Sunrise: 07:02 / Sunset: 16:52 Twilight: 06:26 / 17:28

Thursday 29 October

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
4.6kts
8.1kts
0mm
82%
10°C
9°C
  • ●
  • ●
  • ●
03:00
6.9kts
10kts
0mm
72%
10°C
10°C
  • ●
  • ●
  • ●
06:00
5.4kts
6.5kts
0mm
62%
7°C
7°C
  • ●
  • ●
  • ●
09:00
6.2kts
11.8kts
0mm
0%
10°C
7°C
  • ●
  • ●
  • ●
12:00
10.4kts
17.5kts
0mm
3%
12°C
11°C
  • ●
  • ●
  • ●
15:00
11.3kts
20.1kts
0mm
54%
11°C
11°C
  • ●
  • ●
  • ●
18:00
10.9kts
24.3kts
0mm
28%
9°C
6°C
  • ●
  • ●
  • ●
21:00
11.6kts
26.1kts
0mm
3%
8°C
5°C
  • ●
  • ●
  • ●

Sunrise: 07:04 / Sunset: 16:50 Twilight: 06:28 / 17:27

Friday 30 October

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
8.6kts
14.2kts
0mm
2%
7°C
4°C
  • ●
  • ●
  • ●
03:00
8kts
13.8kts
0mm
5%
8°C
5°C
  • ●
  • ●
  • ●
06:00
6.7kts
9.7kts
0.4mm
7%
9°C
6°C
  • ●
  • ●
  • ●
09:00
6.7kts
11.4kts
2mm
34%
9°C
6°C
  • ●
  • ●
  • ●
12:00
6.7kts
13.9kts
4.9mm
46%
10°C
7°C
  • ●
  • ●
  • ●
15:00
7.2kts
14.7kts
2.6mm
88%
10°C
7°C
  • ●
  • ●
  • ●
18:00
6.7kts
16.4kts
3.2mm
90%
11°C
10°C
  • ●
  • ●
  • ●
21:00
5.4kts
11.4kts
0.8mm
80%
11°C
11°C
  • ●
  • ●
  • ●

Sunrise: 07:06 / Sunset: 16:48 Twilight: 06:30 / 17:25

Saturday 31 October

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
8.5kts
21kts
3mm
75%
10°C
10°C
  • ●
  • ●
  • ●
03:00
11.9kts
19.7kts
0.3mm
27%
10°C
7°C
  • ●
  • ●
  • ●
06:00
12.4kts
23.6kts
0.4mm
31%
7°C
3°C
  • ●
  • ●
  • ●
09:00
13.2kts
20.5kts
0mm
40%
8°C
4°C
  • ●
  • ●
  • ●
12:00
11.5kts
15.4kts
0.1mm
34%
10°C
6°C
  • ●
  • ●
  • ●
15:00
7.7kts
11.8kts
0mm
3%
10°C
7°C
  • ●
  • ●
  • ●
18:00
6kts
6.3kts
0mm
2%
5°C
3°C
  • ●
  • ●
  • ●
21:00
6.3kts
10.7kts
0mm
2%
5°C
2°C
  • ●
  • ●
  • ●

Sunrise: 07:08 / Sunset: 16:46 Twilight: 06:32 / 17:23

Sunday 1 November

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
6.6kts
17.1kts
0mm
3%
6°C
3°C
  • ●
  • ●
  • ●
03:00
7.5kts
19.9kts
0mm
2%
7°C
4°C
  • ●
  • ●
  • ●
06:00
9.5kts
21.2kts
0mm
3%
8°C
5°C
  • ●
  • ●
  • ●
09:00
10.7kts
18.1kts
0mm
61%
10°C
10°C
  • ●
  • ●
  • ●
12:00
9.8kts
14.5kts
0mm
47%
13°C
11°C
  • ●
  • ●
  • ●
15:00
7.8kts
14.5kts
0mm
4%
12°C
11°C
  • ●
  • ●
  • ●
18:00
4.4kts
5.3kts
0mm
4%
8°C
8°C
  • ●
  • ●
  • ●
21:00
4kts
4.1kts
0mm
12%
7°C
8°C
  • ●
  • ●
  • ●

Sunrise: 07:10 / Sunset: 16:45 Twilight: 06:33 / 17:21

Monday 2 November

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
5.7kts
7.6kts
0mm
22%
10°C
10°C
  • ●
  • ●
  • ●
03:00
5.8kts
8.2kts
0mm
73%
10°C
10°C
  • ●
  • ●
  • ●
06:00
4.9kts
6.4kts
0mm
65%
8°C
8°C
  • ●
  • ●
  • ●
09:00
6.4kts
12.4kts
0mm
53%
11°C
10°C
  • ●
  • ●
  • ●
12:00
6.5kts
10.4kts
0mm
32%
13°C
12°C
  • ●
  • ●
  • ●
15:00
5.2kts
9.1kts
0mm
57%
12°C
11°C
  • ●
  • ●
  • ●
18:00
4.7kts
5.3kts
0mm
33%
8°C
8°C
  • ●
  • ●
  • ●
21:00
3.7kts
3.9kts
0mm
11%
8°C
8°C
  • ●
  • ●
  • ●

Sunrise: 07:12 / Sunset: 16:43 Twilight: 06:35 / 17:19