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Swansea Bay Weather Forecast

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

Sunday 13 September (Today)

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
07:00
10kts
17.3kts
1.4m
8.1sec
-1mm
-1%
17°C
17°C
  • ●
  • ●
  • ●
10:00
12.5kts
18.8kts
1.3m
9.5sec
1.6mm
99%
18°C
17°C
  • ●
  • ●
  • ●
13:00
11.3kts
16.5kts
1.2m
9.5sec
3mm
99%
18°C
17°C
  • ●
  • ●
  • ●
16:00
10kts
15.2kts
1.2m
9.4sec
0.5mm
100%
18°C
17°C
  • ●
  • ●
  • ●
19:00
8.7kts
13.3kts
1.1m
9.3sec
0.7mm
99%
18°C
17°C
  • ●
  • ●
  • ●
22:00
9.9kts
14.9kts
1m
9.5sec
0.3mm
88%
17°C
17°C
  • ●
  • ●
  • ●

Sunrise: 06:46 / Sunset: 19:37 Twilight: 06:12 / 20:11

°C

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Today's tide data

Time Height (m)
02:22:31 L +0.93
08:32:38 H +9.62
14:29:46 L +0.99
20:46:26 H +9.69

Tide chart for Mumbles

Bigsalty Tide Charts

Tide times vary with distance to report location; all times incorporate BST; for more tide information click here

Monday 14 September (Tomorrow)

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
9.9kts
14.6kts
1m
9.4sec
0.4mm
70%
17°C
17°C
  • ●
  • ●
  • ●
04:00
7.3kts
12kts
0.9m
9.2sec
0mm
43%
17°C
17°C
  • ●
  • ●
  • ●
07:00
7.2kts
13kts
0.9m
9sec
0.3mm
58%
17°C
17°C
  • ●
  • ●
  • ●
10:00
10.8kts
16.8kts
1.1m
8.3sec
0.7mm
94%
18°C
17°C
  • ●
  • ●
  • ●
13:00
10.4kts
17kts
1.1m
6.7sec
0.9mm
97%
18°C
17°C
  • ●
  • ●
  • ●
16:00
12.1kts
18.4kts
1m
8sec
0mm
37%
19°C
18°C
  • ●
  • ●
  • ●
19:00
11.3kts
21.7kts
1.1m
7.9sec
0mm
21%
18°C
18°C
  • ●
  • ●
  • ●
22:00
13.4kts
23kts
1.2m
5.5sec
0mm
77%
18°C
18°C
  • ●
  • ●
  • ●

Sunrise: 06:47 / Sunset: 19:35 Twilight: 06:13 / 20:08

Tuesday 15 September

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
14kts
24.7kts
1.3m
5.9sec
0.1mm
52%
18°C
17°C
  • ●
  • ●
  • ●
04:00
17.1kts
27.9kts
1.5m
6.1sec
1.9mm
35%
17°C
17°C
  • ●
  • ●
  • ●
07:00
15.7kts
21.9kts
1.6m
6.4sec
3mm
62%
17°C
16°C
  • ●
  • ●
  • ●
10:00
16.2kts
19.4kts
1.6m
6.5sec
0.1mm
15%
17°C
15°C
  • ●
  • ●
  • ●
13:00
15.5kts
18.3kts
1.5m
6.8sec
0.3mm
22%
17°C
15°C
  • ●
  • ●
  • ●
16:00
16kts
19.7kts
1.4m
7sec
0mm
0%
17°C
16°C
  • ●
  • ●
  • ●
19:00
12.2kts
17.7kts
1.3m
7.2sec
0.1mm
0%
16°C
15°C
  • ●
  • ●
  • ●
22:00
9.8kts
14kts
1.3m
7.9sec
0mm
0%
15°C
14°C
  • ●
  • ●
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Sunrise: 06:49 / Sunset: 19:32 Twilight: 06:15 / 20:06

Wednesday 16 September

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
9.7kts
16.5kts
1.3m
8.5sec
0.1mm
0%
15°C
13°C
  • ●
  • ●
  • ●
04:00
12kts
17.4kts
1.4m
9sec
0.1mm
21%
16°C
13°C
  • ●
  • ●
  • ●
07:00
11kts
14.7kts
1.3m
9.5sec
0.1mm
24%
16°C
13°C
  • ●
  • ●
  • ●
10:00
11.5kts
14.5kts
1.2m
9.9sec
0mm
66%
16°C
13°C
  • ●
  • ●
  • ●
13:00
11.2kts
13.1kts
1.1m
10.2sec
0.1mm
44%
17°C
15°C
  • ●
  • ●
  • ●
16:00
14.6kts
15.8kts
1.1m
10.2sec
0mm
0%
17°C
15°C
  • ●
  • ●
  • ●
19:00
10.5kts
12.9kts
1m
10.1sec
0.1mm
0%
15°C
14°C
  • ●
  • ●
  • ●
22:00
9.2kts
11.4kts
0.9m
10sec
0.1mm
0%
15°C
13°C
  • ●
  • ●
  • ●

Sunrise: 06:50 / Sunset: 19:30 Twilight: 06:17 / 20:04

Thursday 17 September

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
11.6kts
16.3kts
1m
7.1sec
0.1mm
5%
16°C
14°C
  • ●
  • ●
  • ●
04:00
16kts
21.6kts
1.4m
5.4sec
0.3mm
39%
16°C
15°C
  • ●
  • ●
  • ●
07:00
17.7kts
24kts
1.6m
5.9sec
1.3mm
46%
16°C
15°C
  • ●
  • ●
  • ●
10:00
14.9kts
19kts
1.5m
6.3sec
1.1mm
65%
17°C
15°C
  • ●
  • ●
  • ●
13:00
14.8kts
17kts
1.4m
6.6sec
1.2mm
37%
17°C
15°C
  • ●
  • ●
  • ●
16:00
15.7kts
18.7kts
1.4m
6.8sec
0.1mm
8%
17°C
15°C
  • ●
  • ●
  • ●
19:00
16.4kts
21.5kts
1.5m
6.8sec
0.3mm
5%
16°C
14°C
  • ●
  • ●
  • ●
22:00
14.9kts
21.8kts
1.5m
6.9sec
0.1mm
3%
15°C
14°C
  • ●
  • ●
  • ●

Sunrise: 06:52 / Sunset: 19:28 Twilight: 06:18 / 20:01

Friday 18 September

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
13.6kts
19.5kts
1.6m
7.2sec
0.2mm
5%
15°C
13°C
  • ●
  • ●
  • ●
04:00
11.1kts
15.7kts
1.5m
7.1sec
0.1mm
7%
14°C
12°C
  • ●
  • ●
  • ●
07:00
8.4kts
12.9kts
1.3m
7.1sec
0.2mm
8%
15°C
12°C
  • ●
  • ●
  • ●
10:00
9.8kts
12.7kts
1.1m
6.8sec
0.1mm
5%
17°C
14°C
  • ●
  • ●
  • ●
13:00
12.5kts
13.7kts
1m
6.8sec
0.1mm
7%
18°C
15°C
  • ●
  • ●
  • ●
16:00
16kts
18.4kts
1.2m
5.2sec
0mm
2%
17°C
16°C
  • ●
  • ●
  • ●
19:00
17.8kts
22.4kts
1.4m
5.4sec
0.1mm
7%
16°C
15°C
  • ●
  • ●
  • ●
22:00
22.1kts
31.2kts
1.8m
5.9sec
0.7mm
64%
17°C
16°C
  • ●
  • ●
  • ●

Sunrise: 06:54 / Sunset: 19:25 Twilight: 06:20 / 19:59

Saturday 19 September

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
21.9kts
30.3kts
2.1m
6.7sec
3.8mm
82%
17°C
17°C
  • ●
  • ●
  • ●
04:00
19.2kts
27.9kts
2m
7.1sec
0.3mm
100%
17°C
16°C
  • ●
  • ●
  • ●
07:00
18.3kts
27.3kts
1.9m
7.2sec
0.9mm
100%
17°C
16°C
  • ●
  • ●
  • ●
10:00
17.7kts
26.5kts
1.8m
7.2sec
0.2mm
50%
17°C
16°C
  • ●
  • ●
  • ●
13:00
18.5kts
24.4kts
1.7m
7.2sec
0.2mm
26%
18°C
17°C
  • ●
  • ●
  • ●
16:00
18.4kts
22.5kts
1.7m
7sec
0mm
0%
17°C
16°C
  • ●
  • ●
  • ●
19:00
16.3kts
22kts
1.6m
6.9sec
0mm
0%
16°C
15°C
  • ●
  • ●
  • ●
22:00
12.3kts
19kts
1.5m
6.8sec
0mm
0%
16°C
15°C
  • ●
  • ●
  • ●

Sunrise: 06:55 / Sunset: 19:23 Twilight: 06:22 / 19:57

Sunday 20 September

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
9.4kts
15.6kts
1.3m
6.9sec
0mm
0%
15°C
13°C
  • ●
  • ●
  • ●
04:00
6.6kts
11kts
1.2m
6.8sec
0mm
1%
14°C
12°C
  • ●
  • ●
  • ●
07:00
4.4kts
7.4kts
1.1m
7.2sec
0mm
1%
14°C
12°C
  • ●
  • ●
  • ●
10:00
4.6kts
7.7kts
0.9m
8.6sec
0mm
0%
17°C
14°C
  • ●
  • ●
  • ●
13:00
7.9kts
9.5kts
0.8m
8.7sec
0mm
0%
18°C
16°C
  • ●
  • ●
  • ●
16:00
8.6kts
10kts
0.8m
8.7sec
0mm
0%
17°C
16°C
  • ●
  • ●
  • ●
19:00
6.7kts
10kts
0.7m
8sec
0mm
0%
16°C
15°C
  • ●
  • ●
  • ●

Sunrise: 06:57 / Sunset: 19:21 Twilight: 06:23 / 19:54

Wind angle today

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