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Birsay Bay Weather Forecast

GFS 0.5° atmospheric and GFSWave 0.25° marine forecast data for Birsay Bay.

Thursday 27 August (Today)

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
13:00
14.6kts
22.4kts
0.8m
6.5sec
-1mm
-1%
13°C
14°C
  • ●
  • ●
  • ●
16:00
15.5kts
22.8kts
0.8m
6.4sec
0mm
0%
13°C
14°C
  • ●
  • ●
  • ●
19:00
14.5kts
22.2kts
0.8m
6.2sec
0mm
0%
13°C
14°C
  • ●
  • ●
  • ●
22:00
14kts
21.4kts
0.8m
6.1sec
0mm
0%
13°C
14°C
  • ●
  • ●
  • ●

Sunrise: 05:57 / Sunset: 20:32 Twilight: 05:12 / 21:17

°C

Friday 28 August (Tomorrow)

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
11.4kts
16.8kts
0.7m
6.2sec
0mm
0%
13°C
13°C
  • ●
  • ●
  • ●
04:00
11.3kts
15.5kts
0.6m
6.1sec
0mm
0%
13°C
13°C
  • ●
  • ●
  • ●
07:00
13.2kts
18.5kts
0.7m
5.7sec
0.2mm
3%
13°C
13°C
  • ●
  • ●
  • ●
10:00
13.4kts
19.5kts
0.7m
6sec
1.1mm
26%
13°C
13°C
  • ●
  • ●
  • ●
13:00
17.7kts
24.1kts
0.8m
6.1sec
3.8mm
45%
13°C
13°C
  • ●
  • ●
  • ●
16:00
18.7kts
25.7kts
1m
4.7sec
3.1mm
100%
13°C
13°C
  • ●
  • ●
  • ●
19:00
20.1kts
29.2kts
1.4m
5.4sec
7mm
100%
13°C
13°C
  • ●
  • ●
  • ●
22:00
21.6kts
27.3kts
1.6m
6.1sec
2.4mm
100%
13°C
13°C
  • ●
  • ●
  • ●

Sunrise: 05:59 / Sunset: 20:29 Twilight: 05:14 / 21:14

Saturday 29 August

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
19.3kts
22.1kts
1.6m
6.3sec
3.1mm
96%
13°C
12°C
  • ●
  • ●
  • ●
04:00
18.6kts
21.7kts
1.5m
5.9sec
0.7mm
90%
13°C
12°C
  • ●
  • ●
  • ●
07:00
16.8kts
21.7kts
1.4m
5.9sec
0.9mm
88%
13°C
13°C
  • ●
  • ●
  • ●
10:00
17.1kts
21.2kts
1.3m
5.7sec
0mm
40%
13°C
13°C
  • ●
  • ●
  • ●
13:00
15.9kts
19.6kts
1.4m
6sec
0.1mm
41%
13°C
12°C
  • ●
  • ●
  • ●
16:00
15.8kts
19.4kts
1.4m
6.2sec
0.1mm
46%
13°C
12°C
  • ●
  • ●
  • ●
19:00
14kts
16.4kts
1.4m
6.3sec
0.1mm
34%
13°C
12°C
  • ●
  • ●
  • ●
22:00
14.5kts
16.2kts
1.3m
6.3sec
0.1mm
67%
13°C
12°C
  • ●
  • ●
  • ●

Sunrise: 06:02 / Sunset: 20:26 Twilight: 05:17 / 21:10

Sunday 30 August

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
14.8kts
15.9kts
1.3m
5.9sec
0.2mm
83%
13°C
12°C
  • ●
  • ●
  • ●
04:00
14.1kts
14.6kts
1.3m
5.8sec
0.1mm
100%
13°C
12°C
  • ●
  • ●
  • ●
07:00
13.2kts
13.4kts
1.2m
5.7sec
0.2mm
100%
13°C
12°C
  • ●
  • ●
  • ●
10:00
11.3kts
11.1kts
1.1m
5.9sec
0mm
99%
13°C
12°C
  • ●
  • ●
  • ●
13:00
8.1kts
7.7kts
1m
6.6sec
0.1mm
100%
13°C
12°C
  • ●
  • ●
  • ●
16:00
8kts
7.5kts
0.9m
6.6sec
0.1mm
87%
13°C
11°C
  • ●
  • ●
  • ●
19:00
7.7kts
7.1kts
0.9m
6.5sec
0.1mm
59%
13°C
11°C
  • ●
  • ●
  • ●
22:00
6.2kts
5.7kts
0.8m
6.6sec
0mm
10%
13°C
11°C
  • ●
  • ●
  • ●

Sunrise: 06:04 / Sunset: 20:23 Twilight: 05:20 / 21:07

Monday 31 August

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
7kts
6.4kts
0.8m
6.5sec
0mm
10%
13°C
11°C
  • ●
  • ●
  • ●
04:00
8.1kts
8.2kts
0.8m
8.2sec
0mm
1%
13°C
12°C
  • ●
  • ●
  • ●
07:00
9.3kts
10.4kts
0.8m
8sec
0mm
7%
13°C
12°C
  • ●
  • ●
  • ●
10:00
12.7kts
14.6kts
0.8m
6.9sec
0.1mm
74%
13°C
12°C
  • ●
  • ●
  • ●
13:00
10.6kts
13.9kts
0.8m
6.5sec
0.4mm
61%
13°C
12°C
  • ●
  • ●
  • ●
16:00
11kts
18.2kts
0.8m
6.7sec
1.2mm
44%
13°C
13°C
  • ●
  • ●
  • ●
19:00
9kts
14.2kts
0.8m
7.6sec
1.2mm
23%
13°C
13°C
  • ●
  • ●
  • ●
22:00
11.1kts
15kts
1m
7.2sec
0.2mm
2%
13°C
13°C
  • ●
  • ●
  • ●

Sunrise: 06:06 / Sunset: 20:20 Twilight: 05:22 / 21:04

Tuesday 1 September

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
13.1kts
18.5kts
1.1m
6.1sec
0.9mm
8%
13°C
13°C
  • ●
  • ●
  • ●
04:00
13.5kts
18.1kts
1.1m
5.5sec
4.2mm
10%
13°C
11°C
  • ●
  • ●
  • ●
07:00
20kts
23.4kts
1.1m
6.8sec
7.2mm
22%
13°C
12°C
  • ●
  • ●
  • ●
10:00
19.9kts
24.7kts
1.3m
6.1sec
0.2mm
34%
13°C
12°C
  • ●
  • ●
  • ●
13:00
19.3kts
22.7kts
1.3m
6.6sec
0.4mm
22%
13°C
12°C
  • ●
  • ●
  • ●
16:00
24.6kts
29kts
1.7m
5.3sec
0.1mm
11%
13°C
12°C
  • ●
  • ●
  • ●
19:00
26.2kts
31.5kts
2.1m
6.2sec
0.4mm
11%
13°C
12°C
  • ●
  • ●
  • ●
22:00
28kts
32.4kts
2.4m
6.7sec
0.2mm
1%
13°C
11°C
  • ●
  • ●
  • ●

Sunrise: 06:08 / Sunset: 20:17 Twilight: 05:25 / 21:01

Wednesday 2 September

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
29.4kts
34.1kts
2.7m
7sec
0.5mm
4%
13°C
11°C
  • ●
  • ●
  • ●
04:00
30.3kts
34.7kts
2.9m
7.8sec
0.4mm
12%
13°C
11°C
  • ●
  • ●
  • ●
07:00
30.3kts
35.1kts
3m
8.4sec
0.9mm
14%
13°C
11°C
  • ●
  • ●
  • ●
10:00
27.9kts
30.8kts
3.1m
9sec
0.2mm
28%
13°C
11°C
  • ●
  • ●
  • ●
13:00
22.7kts
24.2kts
2.8m
8.5sec
0.3mm
57%
13°C
11°C
  • ●
  • ●
  • ●
16:00
18.9kts
19kts
2.3m
8.1sec
0.1mm
74%
13°C
11°C
  • ●
  • ●
  • ●
19:00
13.1kts
12.9kts
1.9m
8.5sec
0.1mm
44%
13°C
11°C
  • ●
  • ●
  • ●
22:00
4kts
3.6kts
1.6m
9sec
0mm
5%
13°C
11°C
  • ●
  • ●
  • ●

Sunrise: 06:11 / Sunset: 20:14 Twilight: 05:27 / 20:58

Thursday 3 September

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
7.7kts
8.1kts
1.3m
8.6sec
0mm
2%
13°C
11°C
  • ●
  • ●
  • ●
04:00
16.3kts
18.4kts
1.2m
8.3sec
0mm
1%
13°C
11°C
  • ●
  • ●
  • ●
07:00
21.5kts
24.8kts
1.3m
6.7sec
0.2mm
4%
13°C
12°C
  • ●
  • ●
  • ●
10:00
21kts
24.7kts
1.5m
5.4sec
0.9mm
19%
13°C
12°C
  • ●
  • ●
  • ●
13:00
23.9kts
31.7kts
1.5m
5.3sec
1.2mm
31%
13°C
12°C
  • ●
  • ●
  • ●
16:00
31.4kts
42.2kts
1.9m
5.4sec
6.3mm
87%
13°C
13°C
  • ●
  • ●
  • ●
19:00
28.1kts
36.5kts
2.1m
5.9sec
6.7mm
75%
13°C
13°C
  • ●
  • ●
  • ●
22:00
26.7kts
31.9kts
2.2m
6.6sec
0.1mm
12%
13°C
12°C
  • ●
  • ●
  • ●

Sunrise: 06:13 / Sunset: 20:11 Twilight: 05:30 / 20:55

Friday 4 September

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
28.3kts
33.6kts
2.2m
6.6sec
0.3mm
7%
13°C
12°C
  • ●
  • ●
  • ●

Sunrise: 06:15 / Sunset: 20:09 Twilight: 05:32 / 20:52

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