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Swansea Bay Weather Forecast

GFS 50km atmospheric and NWW3 100km marine forecast data for Swansea Bay.

Tuesday 25 June (Today)

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
07:00
2.8kts
3.4kts
0.8m
8.6sec
-1mm
-1%
14°C
14°C
  • ●
  • ●
  • ●
10:00
2.6kts
4.9kts
0.8m
8.5sec
0.5mm
41%
15°C
15°C
  • ●
  • ●
  • ●
13:00
2kts
4.6kts
0.8m
8.4sec
1.2mm
29%
15°C
16°C
  • ●
  • ●
  • ●
16:00
1.4kts
4.6kts
0.7m
8.3sec
0.4mm
41%
17°C
17°C
  • ●
  • ●
  • ●
19:00
2.2kts
6.9kts
0.7m
8.1sec
0.5mm
32%
18°C
18°C
  • ●
  • ●
  • ●
22:00
4.5kts
7.1kts
0.6m
8sec
0mm
38%
15°C
16°C
  • ●
  • ●
  • ●

Sunrise: 04:56 / Sunset: 21:40 Twilight: 04:08 / 22:28

°C

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Today's tide data

Time Height (m)
06:06:34 L +2.92
12:19:34 H +7.31
18:27:08 L +3.19
00:53:41 H +7.44

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

Wednesday 26 June (Tomorrow)

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
4.5kts
8.3kts
0.6m
7.9sec
0mm
51%
15°C
16°C
  • ●
  • ●
  • ●
04:00
7.9kts
11.7kts
0.6m
7.8sec
0mm
71%
14°C
15°C
  • ●
  • ●
  • ●
07:00
10kts
15.4kts
0.6m
7.7sec
0mm
63%
14°C
15°C
  • ●
  • ●
  • ●
10:00
11.5kts
15kts
0.6m
6.9sec
0mm
67%
15°C
16°C
  • ●
  • ●
  • ●
13:00
13.1kts
16.3kts
0.7m
5.8sec
0mm
43%
16°C
17°C
  • ●
  • ●
  • ●
16:00
13.7kts
17.2kts
0.7m
4.4sec
0mm
2%
16°C
18°C
  • ●
  • ●
  • ●
19:00
15kts
21.2kts
0.9m
4sec
0mm
8%
15°C
17°C
  • ●
  • ●
  • ●
22:00
15.3kts
28kts
0.9m
4.3sec
0mm
1%
14°C
15°C
  • ●
  • ●
  • ●

Sunrise: 04:57 / Sunset: 21:40 Twilight: 04:08 / 22:28

Thursday 27 June

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
16.8kts
30.9kts
1m
4.7sec
0mm
1%
13°C
14°C
  • ●
  • ●
  • ●
04:00
17.3kts
31kts
1m
4.7sec
0mm
0%
13°C
13°C
  • ●
  • ●
  • ●
07:00
18.3kts
31.9kts
1m
4.7sec
0mm
0%
13°C
12°C
  • ●
  • ●
  • ●
10:00
18.7kts
29.6kts
1.1m
4.8sec
0mm
0%
14°C
15°C
  • ●
  • ●
  • ●
13:00
18.6kts
27.8kts
1m
4.5sec
0mm
0%
16°C
17°C
  • ●
  • ●
  • ●
16:00
19.8kts
29kts
1.1m
4.4sec
0mm
0%
16°C
18°C
  • ●
  • ●
  • ●
19:00
20.4kts
31.6kts
1.1m
4.5sec
0mm
0%
16°C
18°C
  • ●
  • ●
  • ●
22:00
22.2kts
38.3kts
1.2m
4.7sec
0mm
0%
15°C
16°C
  • ●
  • ●
  • ●

Sunrise: 04:57 / Sunset: 21:40 Twilight: 04:09 / 22:28

Friday 28 June

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
21.7kts
36.1kts
1.4m
4.9sec
0mm
0%
14°C
14°C
  • ●
  • ●
  • ●
04:00
21.8kts
37kts
1.5m
5.3sec
0mm
0%
13°C
13°C
  • ●
  • ●
  • ●
07:00
20.4kts
36.2kts
1.5m
5.3sec
0mm
0%
13°C
13°C
  • ●
  • ●
  • ●
10:00
20.6kts
33.7kts
1.5m
5.3sec
0mm
0%
15°C
15°C
  • ●
  • ●
  • ●
13:00
20.2kts
30.5kts
1.3m
5.2sec
0.1mm
0%
16°C
18°C
  • ●
  • ●
  • ●
16:00
16.6kts
24.7kts
1.2m
5.1sec
0mm
0%
17°C
19°C
  • ●
  • ●
  • ●
19:00
13.2kts
18.9kts
1.1m
4.9sec
0mm
0%
16°C
19°C
  • ●
  • ●
  • ●
22:00
15.2kts
24.5kts
1m
4.9sec
0mm
0%
15°C
17°C
  • ●
  • ●
  • ●

Sunrise: 04:58 / Sunset: 21:39 Twilight: 04:10 / 22:28

Saturday 29 June

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
15.4kts
25.4kts
0.9m
4.9sec
0mm
1%
14°C
16°C
  • ●
  • ●
  • ●
04:00
10kts
15.2kts
0.7m
5.2sec
0mm
9%
14°C
14°C
  • ●
  • ●
  • ●
07:00
9.4kts
12.8kts
0.6m
5.2sec
0mm
15%
15°C
15°C
  • ●
  • ●
  • ●
10:00
7.1kts
8.7kts
0.5m
5sec
0.1mm
31%
15°C
16°C
  • ●
  • ●
  • ●
13:00
3.9kts
5.6kts
0.4m
4.8sec
0.2mm
51%
16°C
16°C
  • ●
  • ●
  • ●
16:00
7.8kts
8.9kts
0.4m
5.1sec
0.1mm
50%
16°C
16°C
  • ●
  • ●
  • ●
19:00
9.2kts
11.6kts
0.4m
6.6sec
0.2mm
35%
16°C
16°C
  • ●
  • ●
  • ●
22:00
7.4kts
9.3kts
0.5m
5.6sec
0mm
3%
13°C
14°C
  • ●
  • ●
  • ●

Sunrise: 04:58 / Sunset: 21:39 Twilight: 04:10 / 22:27

Sunday 30 June

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
8.9kts
15.6kts
0.7m
6.5sec
0mm
3%
13°C
13°C
  • ●
  • ●
  • ●
04:00
12.3kts
18.3kts
0.9m
6.8sec
0.1mm
42%
14°C
14°C
  • ●
  • ●
  • ●
07:00
12.4kts
17.8kts
1m
6.8sec
0.2mm
45%
14°C
14°C
  • ●
  • ●
  • ●
10:00
12.7kts
17.3kts
1.1m
6.6sec
0.1mm
53%
15°C
14°C
  • ●
  • ●
  • ●
13:00
14kts
17.9kts
1.1m
6.4sec
0.2mm
55%
16°C
15°C
  • ●
  • ●
  • ●
16:00
14.7kts
18.8kts
1.1m
6.4sec
0.1mm
27%
16°C
15°C
  • ●
  • ●
  • ●
19:00
13.6kts
18.5kts
1.1m
6.2sec
0.2mm
18%
15°C
15°C
  • ●
  • ●
  • ●
22:00
11.2kts
18.1kts
1.1m
6sec
0.1mm
8%
14°C
14°C
  • ●
  • ●
  • ●

Sunrise: 04:59 / Sunset: 21:39 Twilight: 04:11 / 22:27

Monday 1 July

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
7.6kts
11.9kts
1.1m
6sec
0.1mm
5%
13°C
14°C
  • ●
  • ●
  • ●
04:00
7.8kts
12.9kts
1.1m
5.9sec
0mm
2%
12°C
12°C
  • ●
  • ●
  • ●
07:00
8.7kts
13.8kts
1.1m
5.9sec
0mm
1%
13°C
12°C
  • ●
  • ●
  • ●
10:00
9.4kts
12.3kts
1m
6.3sec
0mm
2%
15°C
13°C
  • ●
  • ●
  • ●
13:00
11.3kts
13.3kts
0.9m
6.5sec
0.1mm
9%
15°C
14°C
  • ●
  • ●
  • ●
16:00
12.9kts
15kts
0.9m
6.8sec
0mm
14%
15°C
14°C
  • ●
  • ●
  • ●
19:00
11.6kts
15.4kts
0.9m
5.9sec
0.1mm
11%
14°C
14°C
  • ●
  • ●
  • ●
22:00
8.7kts
14.8kts
0.8m
5.8sec
0mm
0%
13°C
13°C
  • ●
  • ●
  • ●

Sunrise: 05:00 / Sunset: 21:39 Twilight: 04:12 / 22:27

Tuesday 2 July

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
5.4kts
9.6kts
0.8m
5.7sec
0mm
0%
12°C
12°C
  • ●
  • ●
  • ●
04:00
6.5kts
9.6kts
0.7m
5.3sec
0mm
0%
12°C
11°C
  • ●
  • ●
  • ●
07:00
6.1kts
9.2kts
0.7m
5.2sec
0mm
2%
13°C
11°C
  • ●
  • ●
  • ●
10:00
5.4kts
8.3kts
0.6m
5.2sec
0mm
8%
15°C
14°C
  • ●
  • ●
  • ●
13:00
6.9kts
7.9kts
0.6m
5.3sec
0mm
5%
16°C
15°C
  • ●
  • ●
  • ●
16:00
9.2kts
9.8kts
0.5m
5.2sec
0mm
0%
16°C
15°C
  • ●
  • ●
  • ●
19:00
8.5kts
10.6kts
0.5m
5.4sec
0mm
0%
15°C
14°C
  • ●
  • ●
  • ●

Sunrise: 05:00 / Sunset: 21:38 Twilight: 04:13 / 22:26

Wind angle today

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