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Swansea Bay Weather Forecast

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

Thursday 10 September (Today)

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
07:00
9.6kts
12.1kts
0.9m
6.9sec
-1mm
-1%
16°C
13°C
  • ●
  • ●
  • ●
10:00
13.8kts
18.2kts
1.1m
4.7sec
0mm
24%
17°C
15°C
  • ●
  • ●
  • ●
13:00
15.6kts
22kts
1.5m
5.6sec
0.2mm
21%
17°C
17°C
  • ●
  • ●
  • ●
16:00
19kts
26kts
1.9m
6.7sec
0.4mm
25%
17°C
16°C
  • ●
  • ●
  • ●
19:00
17kts
22.3kts
2m
7.9sec
3mm
62%
17°C
17°C
  • ●
  • ●
  • ●
22:00
11.5kts
19kts
1.9m
9.2sec
0.2mm
8%
16°C
16°C
  • ●
  • ●
  • ●

Sunrise: 06:41 / Sunset: 19:44 Twilight: 06:07 / 20:18

°C

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Today's tide data

Time Height (m)
06:36:23 H +9.24
12:42:31 L +1.26
18:54:19 H +9.63

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

Friday 11 September (Tomorrow)

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
9.9kts
17.4kts
1.6m
9.6sec
0.4mm
6%
17°C
16°C
  • ●
  • ●
  • ●
04:00
8kts
11.8kts
1.5m
9.5sec
0.1mm
4%
16°C
16°C
  • ●
  • ●
  • ●
07:00
5.7kts
9.1kts
1.3m
9.5sec
0.2mm
2%
15°C
14°C
  • ●
  • ●
  • ●
10:00
5.8kts
8.3kts
1.2m
9.4sec
0mm
4%
17°C
16°C
  • ●
  • ●
  • ●
13:00
4.5kts
5.7kts
1.1m
9.2sec
0mm
10%
18°C
17°C
  • ●
  • ●
  • ●
16:00
9.1kts
9.5kts
1m
8.9sec
0mm
16%
18°C
17°C
  • ●
  • ●
  • ●
19:00
8.8kts
9.8kts
1m
8.8sec
0mm
10%
16°C
16°C
  • ●
  • ●
  • ●
22:00
6.6kts
7.8kts
0.9m
8.5sec
0mm
2%
15°C
14°C
  • ●
  • ●
  • ●

Sunrise: 06:42 / Sunset: 19:42 Twilight: 06:08 / 20:16

Saturday 12 September

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
6.9kts
9.2kts
0.9m
8.3sec
0mm
1%
15°C
14°C
  • ●
  • ●
  • ●
04:00
10.2kts
13.7kts
0.9m
8.2sec
0mm
8%
16°C
15°C
  • ●
  • ●
  • ●
07:00
13.7kts
20.7kts
1.1m
8sec
0mm
10%
17°C
16°C
  • ●
  • ●
  • ●
10:00
15.3kts
22.2kts
1.3m
5.1sec
0mm
14%
17°C
17°C
  • ●
  • ●
  • ●
13:00
17.3kts
24kts
1.5m
5.9sec
0.4mm
17%
18°C
17°C
  • ●
  • ●
  • ●
16:00
17.6kts
26.9kts
1.7m
6.4sec
0.1mm
58%
18°C
17°C
  • ●
  • ●
  • ●
19:00
17.6kts
27.8kts
1.7m
6.8sec
0.4mm
79%
18°C
17°C
  • ●
  • ●
  • ●
22:00
18.2kts
25.8kts
1.8m
7sec
1.8mm
90%
18°C
17°C
  • ●
  • ●
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Sunrise: 06:44 / Sunset: 19:39 Twilight: 06:10 / 20:13

Sunday 13 September

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
14.7kts
23.2kts
1.6m
7.2sec
3.4mm
88%
17°C
17°C
  • ●
  • ●
  • ●
04:00
11.8kts
17.7kts
1.5m
7.1sec
0.1mm
27%
16°C
16°C
  • ●
  • ●
  • ●
07:00
10.9kts
15.5kts
1.4m
7.1sec
0.2mm
27%
17°C
15°C
  • ●
  • ●
  • ●
10:00
9.7kts
13.5kts
1.2m
8.1sec
0.1mm
56%
17°C
16°C
  • ●
  • ●
  • ●
13:00
9.7kts
11.3kts
1.1m
9.5sec
0.1mm
53%
19°C
17°C
  • ●
  • ●
  • ●
16:00
10.4kts
11.1kts
1m
9.5sec
0mm
15%
19°C
18°C
  • ●
  • ●
  • ●
19:00
8.4kts
9.7kts
1m
9.4sec
0mm
11%
17°C
16°C
  • ●
  • ●
  • ●
22:00
7kts
8.4kts
0.9m
9.3sec
0mm
0%
16°C
15°C
  • ●
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  • ●

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

Monday 14 September

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
5.9kts
9.3kts
0.9m
9.2sec
0.1mm
22%
17°C
16°C
  • ●
  • ●
  • ●
04:00
7.6kts
12.3kts
0.9m
9.2sec
0.4mm
100%
17°C
17°C
  • ●
  • ●
  • ●
07:00
8.1kts
13kts
0.9m
9.2sec
0.6mm
93%
17°C
17°C
  • ●
  • ●
  • ●
10:00
10.8kts
17.6kts
0.9m
9.1sec
0.1mm
96%
18°C
18°C
  • ●
  • ●
  • ●
13:00
11.2kts
18.5kts
0.9m
9sec
0.1mm
84%
19°C
18°C
  • ●
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  • ●
16:00
10.2kts
17.3kts
1m
8.9sec
0mm
26%
19°C
19°C
  • ●
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  • ●
19:00
6.1kts
11.6kts
0.9m
8.3sec
0mm
18%
18°C
18°C
  • ●
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  • ●
22:00
5.1kts
5.8kts
0.9m
8.5sec
0mm
7%
17°C
17°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
6.7kts
15.5kts
0.9m
8.2sec
0mm
12%
17°C
17°C
  • ●
  • ●
  • ●
04:00
8.8kts
19kts
1m
7sec
0.2mm
24%
17°C
17°C
  • ●
  • ●
  • ●
07:00
10kts
13.7kts
1m
6sec
1.2mm
37%
17°C
17°C
  • ●
  • ●
  • ●
10:00
11.8kts
15kts
1m
6.6sec
0.5mm
24%
17°C
16°C
  • ●
  • ●
  • ●
13:00
14.4kts
16.1kts
1.1m
6.4sec
0.5mm
17%
18°C
17°C
  • ●
  • ●
  • ●
16:00
15.9kts
17.5kts
1.2m
6.3sec
0.1mm
8%
18°C
17°C
  • ●
  • ●
  • ●
19:00
12kts
15.4kts
1.2m
6.8sec
0.2mm
11%
16°C
16°C
  • ●
  • ●
  • ●
22:00
8.1kts
13.4kts
1.2m
7.5sec
0mm
0%
15°C
14°C
  • ●
  • ●
  • ●

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
12.9kts
22.3kts
1.3m
8.1sec
0.1mm
1%
16°C
14°C
  • ●
  • ●
  • ●
04:00
14.5kts
22.3kts
1.4m
8.4sec
0.1mm
7%
16°C
13°C
  • ●
  • ●
  • ●
07:00
14.5kts
20.8kts
1.4m
8.6sec
0.1mm
36%
16°C
14°C
  • ●
  • ●
  • ●
10:00
12.9kts
18.5kts
1.3m
9.5sec
0.1mm
42%
17°C
14°C
  • ●
  • ●
  • ●
13:00
12.5kts
14.1kts
1.2m
9.9sec
0.2mm
27%
17°C
16°C
  • ●
  • ●
  • ●
16:00
12.3kts
13.3kts
1.1m
10.2sec
0.1mm
22%
17°C
16°C
  • ●
  • ●
  • ●
19:00
10kts
12.6kts
0.9m
10.3sec
0.1mm
22%
16°C
15°C
  • ●
  • ●
  • ●
22:00
6.8kts
8.3kts
0.8m
10.2sec
0mm
9%
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
6.7kts
8.5kts
0.8m
10.2sec
0.1mm
5%
15°C
13°C
  • ●
  • ●
  • ●
04:00
5.3kts
7.2kts
0.7m
10.1sec
0.1mm
0%
15°C
12°C
  • ●
  • ●
  • ●
07:00
7.2kts
9.7kts
0.7m
10.1sec
0.1mm
4%
15°C
12°C
  • ●
  • ●
  • ●
10:00
7.6kts
11.2kts
0.7m
9sec
0mm
5%
17°C
14°C
  • ●
  • ●
  • ●
13:00
9.8kts
11.3kts
0.7m
6.2sec
0.1mm
26%
18°C
16°C
  • ●
  • ●
  • ●
16:00
11.9kts
12.6kts
0.7m
5.6sec
0.1mm
11%
18°C
16°C
  • ●
  • ●
  • ●
19:00
9kts
11.5kts
0.7m
5.1sec
0.1mm
7%
16°C
15°C
  • ●
  • ●
  • ●

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

Wind angle today

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