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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.

Tuesday 27 October (Today)

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
19.3kts
42.5kts
-1mm
-1%
13°C
14°C
  • ●
  • ●
  • ●
03:00
23.2kts
39.8kts
3.7mm
81%
11°C
11°C
  • ●
  • ●
  • ●
06:00
21kts
36kts
3.7mm
43%
8°C
4°C
  • ●
  • ●
  • ●
09:00
19.3kts
31.1kts
0.1mm
23%
9°C
4°C
  • ●
  • ●
  • ●
12:00
19.4kts
29kts
0.5mm
33%
9°C
3°C
  • ●
  • ●
  • ●
15:00
17.1kts
25.7kts
0.4mm
58%
9°C
5°C
  • ●
  • ●
  • ●
18:00
13.9kts
25.2kts
0.7mm
30%
7°C
3°C
  • ●
  • ●
  • ●
21:00
14kts
24.8kts
0.1mm
4%
7°C
3°C
  • ●
  • ●
  • ●

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

Wednesday 28 October (Tomorrow)

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
13.3kts
25kts
0.1mm
4%
7°C
3°C
  • ●
  • ●
  • ●
03:00
12.9kts
25.4kts
0.1mm
19%
8°C
5°C
  • ●
  • ●
  • ●
06:00
16.4kts
28.8kts
0.7mm
39%
10°C
10°C
  • ●
  • ●
  • ●
09:00
15.8kts
25.9kts
0.8mm
90%
11°C
10°C
  • ●
  • ●
  • ●
12:00
14.2kts
23.1kts
0.9mm
73%
12°C
12°C
  • ●
  • ●
  • ●
15:00
12.6kts
22.5kts
0.1mm
27%
11°C
11°C
  • ●
  • ●
  • ●
18:00
10.7kts
21.7kts
0.1mm
54%
11°C
11°C
  • ●
  • ●
  • ●
21:00
9.4kts
17.5kts
0mm
65%
11°C
11°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
5.3kts
8.4kts
0mm
65%
9°C
9°C
  • ●
  • ●
  • ●
03:00
5kts
7.2kts
0mm
6%
8°C
8°C
  • ●
  • ●
  • ●
06:00
5kts
5.8kts
0mm
5%
8°C
8°C
  • ●
  • ●
  • ●
09:00
5.1kts
9.4kts
0mm
19%
10°C
9°C
  • ●
  • ●
  • ●
12:00
7.2kts
12kts
0mm
12%
12°C
11°C
  • ●
  • ●
  • ●
15:00
9.1kts
14.3kts
0mm
55%
11°C
11°C
  • ●
  • ●
  • ●
18:00
7.1kts
16.4kts
0mm
42%
9°C
7°C
  • ●
  • ●
  • ●
21:00
6.6kts
15.8kts
0mm
2%
9°C
6°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
6.8kts
10kts
0mm
1%
7°C
4°C
  • ●
  • ●
  • ●
03:00
6.6kts
8.4kts
0mm
2%
6°C
4°C
  • ●
  • ●
  • ●
06:00
6.4kts
9.1kts
0mm
4%
7°C
4°C
  • ●
  • ●
  • ●
09:00
3.9kts
5.3kts
0mm
3%
9°C
8°C
  • ●
  • ●
  • ●
12:00
4.2kts
6.4kts
0mm
1%
13°C
12°C
  • ●
  • ●
  • ●
15:00
3.1kts
4.5kts
0mm
0%
12°C
12°C
  • ●
  • ●
  • ●
18:00
3.8kts
3.8kts
0mm
0%
8°C
9°C
  • ●
  • ●
  • ●
21:00
4kts
4.1kts
0mm
0%
8°C
8°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
4kts
3.9kts
0mm
0%
7°C
7°C
  • ●
  • ●
  • ●
03:00
4kts
3.8kts
0mm
0%
6°C
7°C
  • ●
  • ●
  • ●
06:00
4.1kts
4kts
0mm
0%
6°C
7°C
  • ●
  • ●
  • ●
09:00
3.6kts
4.2kts
0mm
0%
9°C
9°C
  • ●
  • ●
  • ●
12:00
2.4kts
4.5kts
0mm
0%
13°C
12°C
  • ●
  • ●
  • ●
15:00
3.2kts
5.4kts
0mm
1%
12°C
12°C
  • ●
  • ●
  • ●
18:00
3.7kts
4.4kts
0.1mm
24%
10°C
10°C
  • ●
  • ●
  • ●
21:00
4.9kts
5.9kts
0mm
93%
10°C
10°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
5.3kts
5.8kts
0mm
66%
7°C
7°C
  • ●
  • ●
  • ●
03:00
7.1kts
11.6kts
0mm
45%
9°C
6°C
  • ●
  • ●
  • ●
06:00
5.3kts
6kts
0mm
45%
6°C
6°C
  • ●
  • ●
  • ●
09:00
7.6kts
11.7kts
0mm
78%
9°C
7°C
  • ●
  • ●
  • ●
12:00
6.1kts
8.3kts
0mm
73%
12°C
10°C
  • ●
  • ●
  • ●
15:00
5.2kts
7kts
0mm
2%
10°C
10°C
  • ●
  • ●
  • ●
18:00
3kts
3kts
0mm
1%
5°C
6°C
  • ●
  • ●
  • ●
21:00
3.6kts
3.9kts
0mm
0%
4°C
5°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
3.9kts
4.3kts
0mm
0%
4°C
4°C
  • ●
  • ●
  • ●
03:00
3.5kts
4kts
0mm
0%
4°C
4°C
  • ●
  • ●
  • ●
06:00
3.8kts
4.1kts
0mm
1%
3°C
4°C
  • ●
  • ●
  • ●
09:00
4kts
5.9kts
0mm
0%
7°C
5°C
  • ●
  • ●
  • ●
12:00
5.2kts
9.9kts
0mm
0%
10°C
8°C
  • ●
  • ●
  • ●
15:00
5kts
11kts
0mm
0%
9°C
8°C
  • ●
  • ●
  • ●
18:00
4.3kts
5.1kts
0mm
2%
5°C
6°C
  • ●
  • ●
  • ●
21:00
4.4kts
5.1kts
0mm
1%
5°C
5°C
  • ●
  • ●
  • ●

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

Tuesday 3 November

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
4.5kts
5.1kts
0mm
5%
5°C
5°C
  • ●
  • ●
  • ●
03:00
4.2kts
4.7kts
0mm
23%
6°C
5°C
  • ●
  • ●
  • ●
06:00
4.4kts
6kts
0mm
46%
7°C
6°C
  • ●
  • ●
  • ●
09:00
4.9kts
10.2kts
0mm
78%
9°C
7°C
  • ●
  • ●
  • ●
12:00
5.4kts
11.4kts
0mm
79%
11°C
9°C
  • ●
  • ●
  • ●
15:00
4.8kts
9.6kts
0mm
75%
10°C
9°C
  • ●
  • ●
  • ●
18:00
3.5kts
3.9kts
0mm
41%
6°C
6°C
  • ●
  • ●
  • ●
21:00
3.7kts
4.2kts
0mm
13%
5°C
6°C
  • ●
  • ●
  • ●

Sunrise: 07:14 / Sunset: 16:41 Twilight: 06:37 / 17:18

Wednesday 4 November

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
3.9kts
4.4kts
0mm
16%
5°C
5°C
  • ●
  • ●
  • ●
03:00
4.2kts
4.4kts
0mm
7%
5°C
5°C
  • ●
  • ●
  • ●
06:00
4.9kts
5.3kts
0mm
4%
5°C
5°C
  • ●
  • ●
  • ●
09:00
4.6kts
5.8kts
0mm
1%
8°C
7°C
  • ●
  • ●
  • ●
12:00
4.9kts
8.9kts
0mm
1%
12°C
10°C
  • ●
  • ●
  • ●
15:00
4.5kts
5.9kts
0mm
0%
11°C
10°C
  • ●
  • ●
  • ●
18:00
4.7kts
5.2kts
0mm
0%
6°C
6°C
  • ●
  • ●
  • ●
21:00
5.2kts
5.7kts
0mm
0%
5°C
6°C
  • ●
  • ●
  • ●

Sunrise: 07:15 / Sunset: 16:39 Twilight: 06:39 / 17:16