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Swansea Bay Weather Forecast

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

Sunday 23 August (Today)

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
6.6kts
6.4kts
0.5m
8.9sec
0mm
0%
15°C
13°C
  • ●
  • ●
  • ●
04:00
3.9kts
4.7kts
0.4m
8.7sec
0mm
0%
14°C
13°C
  • ●
  • ●
  • ●
07:00
4.6kts
3.9kts
0.3m
8.5sec
0mm
0%
15°C
12°C
  • ●
  • ●
  • ●
10:00
4.5kts
4.9kts
0.3m
8.7sec
0mm
0%
19°C
15°C
  • ●
  • ●
  • ●
13:00
3.5kts
4.9kts
0.3m
8.8sec
0mm
0%
21°C
18°C
  • ●
  • ●
  • ●
16:00
1.1kts
2.2kts
0.3m
12sec
0mm
0%
21°C
18°C
  • ●
  • ●
  • ●
19:00
2.9kts
4.4kts
0.4m
12sec
0mm
0%
19°C
18°C
  • ●
  • ●
  • ●
22:00
5.6kts
5.9kts
0.4m
10.9sec
0mm
0%
15°C
16°C
  • ●
  • ●
  • ●

Sunrise: 06:12 / Sunset: 20:24 Twilight: 05:36 / 21:00

°C

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Today's tide data

Time Height (m)
02:58:27 H +6.69
09:21:34 L +3.79
15:48:13 H +7.01
22:00:19 L +3.49

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 24 August (Tomorrow)

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
5kts
4.6kts
0.4m
10.2sec
0mm
0%
15°C
14°C
  • ●
  • ●
  • ●
04:00
11.3kts
14.2kts
0.4m
9.9sec
0mm
0%
15°C
13°C
  • ●
  • ●
  • ●
07:00
12kts
18.3kts
0.7m
8.3sec
0mm
0%
15°C
13°C
  • ●
  • ●
  • ●
10:00
18.2kts
23.8kts
1m
4.3sec
0mm
0%
18°C
16°C
  • ●
  • ●
  • ●
13:00
14.8kts
20kts
0.9m
4.6sec
0mm
0%
20°C
19°C
  • ●
  • ●
  • ●
16:00
10.4kts
13.9kts
0.6m
4.3sec
0mm
0%
20°C
21°C
  • ●
  • ●
  • ●
19:00
12.6kts
18.6kts
0.4m
9sec
0mm
0%
19°C
21°C
  • ●
  • ●
  • ●
22:00
18.1kts
28.9kts
0.8m
3.7sec
0mm
0%
17°C
17°C
  • ●
  • ●
  • ●

Sunrise: 06:14 / Sunset: 20:22 Twilight: 05:37 / 20:58

Tuesday 25 August

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
18.3kts
28.1kts
1m
4.5sec
0mm
0%
17°C
16°C
  • ●
  • ●
  • ●
04:00
16.5kts
26.4kts
1m
4.7sec
0mm
0%
16°C
15°C
  • ●
  • ●
  • ●
07:00
17.5kts
27kts
1.1m
4.8sec
0mm
0%
16°C
15°C
  • ●
  • ●
  • ●
10:00
19.9kts
26.2kts
1.2m
5sec
0mm
0%
18°C
17°C
  • ●
  • ●
  • ●
13:00
18kts
23.6kts
1.2m
5sec
0.1mm
1%
19°C
18°C
  • ●
  • ●
  • ●
16:00
13.5kts
21.7kts
1.1m
4.8sec
0.2mm
2%
18°C
18°C
  • ●
  • ●
  • ●
19:00
12.5kts
19.6kts
0.7m
4.5sec
0.3mm
1%
19°C
20°C
  • ●
  • ●
  • ●
22:00
8.8kts
15.8kts
0.5m
9.2sec
0mm
0%
18°C
18°C
  • ●
  • ●
  • ●

Sunrise: 06:15 / Sunset: 20:20 Twilight: 05:39 / 20:56

Wednesday 26 August

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
11.4kts
16kts
0.6m
9.3sec
0.1mm
20%
17°C
16°C
  • ●
  • ●
  • ●
04:00
10.5kts
12.2kts
0.6m
9.1sec
0.1mm
55%
17°C
16°C
  • ●
  • ●
  • ●
07:00
7.2kts
7.7kts
0.6m
8.9sec
0.1mm
55%
17°C
16°C
  • ●
  • ●
  • ●
10:00
8.9kts
10.6kts
0.6m
8.5sec
0mm
43%
19°C
18°C
  • ●
  • ●
  • ●
13:00
6.7kts
9.6kts
0.6m
8.3sec
0mm
25%
21°C
19°C
  • ●
  • ●
  • ●
16:00
6.2kts
7.4kts
0.5m
8sec
0.8mm
4%
20°C
19°C
  • ●
  • ●
  • ●
19:00
4.5kts
7.3kts
0.5m
7.8sec
2.8mm
2%
18°C
19°C
  • ●
  • ●
  • ●
22:00
8.7kts
12kts
0.7m
7.3sec
2.2mm
7%
17°C
17°C
  • ●
  • ●
  • ●

Sunrise: 06:17 / Sunset: 20:18 Twilight: 05:41 / 20:53

Thursday 27 August

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
10.5kts
13.9kts
0.8m
7.3sec
3mm
4%
17°C
16°C
  • ●
  • ●
  • ●
04:00
10.6kts
15.8kts
0.9m
7.3sec
2.3mm
19%
17°C
16°C
  • ●
  • ●
  • ●
07:00
12.1kts
13.9kts
0.9m
7.4sec
6mm
27%
17°C
16°C
  • ●
  • ●
  • ●
10:00
10.4kts
15.5kts
0.9m
7.4sec
0.8mm
23%
18°C
17°C
  • ●
  • ●
  • ●
13:00
8.6kts
12.4kts
1m
7.3sec
1.1mm
15%
20°C
19°C
  • ●
  • ●
  • ●
16:00
9.4kts
14kts
1m
6.9sec
2.3mm
0%
18°C
18°C
  • ●
  • ●
  • ●
19:00
8.4kts
12.6kts
1m
6.7sec
4.5mm
0%
17°C
17°C
  • ●
  • ●
  • ●
22:00
5.6kts
8kts
1m
6.8sec
0.9mm
0%
16°C
15°C
  • ●
  • ●
  • ●

Sunrise: 06:18 / Sunset: 20:15 Twilight: 05:43 / 20:51

Friday 28 August

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
8.6kts
10.6kts
1.1m
8.7sec
1.4mm
0%
16°C
15°C
  • ●
  • ●
  • ●
04:00
5.7kts
6kts
1.1m
8.4sec
0mm
0%
15°C
14°C
  • ●
  • ●
  • ●
07:00
8.6kts
9kts
1.1m
8.4sec
0mm
0%
15°C
13°C
  • ●
  • ●
  • ●
10:00
3.4kts
3.6kts
1.1m
9sec
0mm
1%
18°C
16°C
  • ●
  • ●
  • ●
13:00
7.6kts
7.7kts
1m
8.6sec
0mm
0%
20°C
18°C
  • ●
  • ●
  • ●
16:00
13.2kts
14kts
0.9m
8.4sec
0mm
0%
19°C
18°C
  • ●
  • ●
  • ●
19:00
11.9kts
15.3kts
0.8m
8.1sec
0.2mm
0%
18°C
17°C
  • ●
  • ●
  • ●
22:00
7.4kts
9.4kts
0.8m
8.2sec
0.3mm
0%
16°C
15°C
  • ●
  • ●
  • ●

Sunrise: 06:20 / Sunset: 20:13 Twilight: 05:44 / 20:49

Saturday 29 August

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
6.3kts
9.9kts
1m
8.2sec
0.9mm
0%
16°C
15°C
  • ●
  • ●
  • ●
04:00
13.5kts
18.9kts
1.5m
7.9sec
0.8mm
6%
16°C
14°C
  • ●
  • ●
  • ●
07:00
13.5kts
20.5kts
1.8m
7.8sec
1mm
9%
16°C
14°C
  • ●
  • ●
  • ●
10:00
17kts
21.8kts
1.8m
7.1sec
0.7mm
22%
17°C
15°C
  • ●
  • ●
  • ●
13:00
18.8kts
23.3kts
2m
7.1sec
1.1mm
54%
18°C
16°C
  • ●
  • ●
  • ●
16:00
20.7kts
24.5kts
2.2m
7.6sec
0.9mm
33%
18°C
17°C
  • ●
  • ●
  • ●
19:00
20.2kts
26.1kts
2.4m
8sec
1.3mm
17%
17°C
16°C
  • ●
  • ●
  • ●
22:00
19.3kts
25.8kts
2.3m
8.2sec
0.5mm
15%
17°C
16°C
  • ●
  • ●
  • ●

Sunrise: 06:22 / Sunset: 20:11 Twilight: 05:46 / 20:46

Sunday 30 August

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
18.6kts
24.7kts
2.2m
8sec
1.6mm
18%
17°C
16°C
  • ●
  • ●
  • ●
04:00
16.4kts
22.5kts
2.1m
7.7sec
0.7mm
27%
17°C
16°C
  • ●
  • ●
  • ●
07:00
15.2kts
21.8kts
2m
7.4sec
1.6mm
28%
17°C
15°C
  • ●
  • ●
  • ●

Sunrise: 06:23 / Sunset: 20:09 Twilight: 05:48 / 20:44

Wind angle today

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