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Swansea Bay Weather Forecast

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

Sunday 18 August (Today)

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
14.7kts
20kts
1.8m
7.4sec
0.5mm
2%
15°C
14°C
  • ●
  • ●
  • ●
04:00
13.8kts
19.1kts
1.7m
7.4sec
0.3mm
0%
16°C
14°C
  • ●
  • ●
  • ●
07:00
18.9kts
25kts
1.7m
7.1sec
1.5mm
0%
16°C
14°C
  • ●
  • ●
  • ●
10:00
19.4kts
23.4kts
1.8m
6.5sec
1.6mm
0%
17°C
15°C
  • ●
  • ●
  • ●
13:00
18.7kts
23.6kts
2m
6.7sec
2mm
1%
17°C
16°C
  • ●
  • ●
  • ●
16:00
21.2kts
26kts
2.2m
7sec
0.2mm
0%
17°C
16°C
  • ●
  • ●
  • ●
19:00
20.5kts
26.8kts
2.3m
7.3sec
0.5mm
1%
16°C
15°C
  • ●
  • ●
  • ●
22:00
17.9kts
25.2kts
2.2m
7.5sec
0.2mm
0%
15°C
14°C
  • ●
  • ●
  • ●

Sunrise: 06:03 / Sunset: 20:35 Twilight: 05:26 / 21:12

°C

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Today's tide data

Time Height (m)
02:35:27 L +1.51
08:49:11 H +8.92
14:45:57 L +1.59
21:05:53 H +9.12

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 19 August (Tomorrow)

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
16.6kts
22kts
2m
7.7sec
1.4mm
6%
16°C
14°C
  • ●
  • ●
  • ●
04:00
9.5kts
12.9kts
1.8m
7.8sec
1.1mm
5%
15°C
13°C
  • ●
  • ●
  • ●
07:00
6.6kts
9.8kts
1.6m
7.8sec
1.3mm
12%
15°C
13°C
  • ●
  • ●
  • ●
10:00
12.8kts
16.1kts
1.5m
7.3sec
1.2mm
41%
17°C
14°C
  • ●
  • ●
  • ●
13:00
16.5kts
19.3kts
1.5m
7.1sec
1.7mm
23%
17°C
15°C
  • ●
  • ●
  • ●
16:00
16.7kts
20.1kts
1.5m
6.8sec
0.2mm
0%
17°C
15°C
  • ●
  • ●
  • ●
19:00
14.2kts
18.2kts
1.4m
6.6sec
0.4mm
0%
16°C
15°C
  • ●
  • ●
  • ●
22:00
10.1kts
13.6kts
1.4m
6.5sec
0.2mm
0%
15°C
14°C
  • ●
  • ●
  • ●

Sunrise: 06:05 / Sunset: 20:33 Twilight: 05:28 / 21:10

Tuesday 20 August

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
11.1kts
14.7kts
1.3m
6.3sec
0.4mm
0%
15°C
13°C
  • ●
  • ●
  • ●
04:00
9.6kts
12.6kts
1.2m
6.4sec
0mm
0%
14°C
12°C
  • ●
  • ●
  • ●
07:00
7.2kts
10.3kts
1.2m
5.9sec
0mm
0%
15°C
12°C
  • ●
  • ●
  • ●
10:00
11.6kts
14.3kts
1.1m
5.9sec
0mm
2%
17°C
15°C
  • ●
  • ●
  • ●
13:00
14.3kts
16.5kts
1.1m
5.7sec
0.5mm
7%
17°C
16°C
  • ●
  • ●
  • ●
16:00
15.8kts
18.9kts
1.2m
5.8sec
0.7mm
4%
17°C
16°C
  • ●
  • ●
  • ●
19:00
13.4kts
17.6kts
1.2m
5.8sec
1.2mm
8%
17°C
16°C
  • ●
  • ●
  • ●
22:00
11.9kts
16.4kts
1.2m
5.8sec
0.1mm
4%
16°C
15°C
  • ●
  • ●
  • ●

Sunrise: 06:07 / Sunset: 20:31 Twilight: 05:30 / 21:08

Wednesday 21 August

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
10.2kts
13.4kts
1.1m
5.8sec
0.2mm
5%
16°C
14°C
  • ●
  • ●
  • ●
04:00
10kts
11.5kts
1m
5.8sec
0.6mm
7%
16°C
14°C
  • ●
  • ●
  • ●
07:00
10.8kts
12.8kts
0.9m
5.7sec
1.2mm
5%
16°C
14°C
  • ●
  • ●
  • ●
10:00
12.3kts
14.2kts
0.9m
5.4sec
0.4mm
4%
17°C
15°C
  • ●
  • ●
  • ●
13:00
12.4kts
14.6kts
1m
5.4sec
0.8mm
3%
18°C
16°C
  • ●
  • ●
  • ●
16:00
14.1kts
17.1kts
1.1m
5.3sec
0.2mm
1%
17°C
16°C
  • ●
  • ●
  • ●
19:00
13.5kts
17.1kts
1.2m
5.7sec
0.4mm
1%
17°C
15°C
  • ●
  • ●
  • ●
22:00
12kts
15kts
1.3m
5.9sec
0mm
0%
15°C
14°C
  • ●
  • ●
  • ●

Sunrise: 06:08 / Sunset: 20:29 Twilight: 05:31 / 21:06

Thursday 22 August

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
12.2kts
17.5kts
1.3m
6sec
0.1mm
0%
16°C
15°C
  • ●
  • ●
  • ●
04:00
12.7kts
17.8kts
1.4m
6.2sec
0.1mm
19%
16°C
15°C
  • ●
  • ●
  • ●
07:00
13kts
17.9kts
1.3m
6.3sec
0.2mm
50%
16°C
15°C
  • ●
  • ●
  • ●
10:00
14.7kts
18.6kts
1.3m
6.7sec
0.2mm
77%
17°C
16°C
  • ●
  • ●
  • ●
13:00
14.9kts
17.7kts
1.2m
6.6sec
0.8mm
69%
18°C
17°C
  • ●
  • ●
  • ●
16:00
13.3kts
16.2kts
1.2m
6.3sec
0.3mm
33%
18°C
17°C
  • ●
  • ●
  • ●
19:00
10.4kts
13.7kts
1.1m
6.1sec
0.5mm
22%
17°C
16°C
  • ●
  • ●
  • ●
22:00
5.3kts
7.1kts
1m
6.3sec
0mm
11%
16°C
15°C
  • ●
  • ●
  • ●

Sunrise: 06:10 / Sunset: 20:27 Twilight: 05:33 / 21:03

Friday 23 August

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
2.2kts
2.9kts
0.9m
6.6sec
0mm
14%
16°C
15°C
  • ●
  • ●
  • ●
04:00
1.9kts
2.7kts
0.8m
6.9sec
0mm
24%
16°C
15°C
  • ●
  • ●
  • ●
07:00
5.6kts
6.1kts
0.7m
6.8sec
0mm
25%
16°C
15°C
  • ●
  • ●
  • ●
10:00
8.1kts
9.7kts
0.6m
6.6sec
0mm
15%
18°C
16°C
  • ●
  • ●
  • ●
13:00
9.6kts
12.7kts
0.6m
6.9sec
0mm
9%
19°C
18°C
  • ●
  • ●
  • ●
16:00
8.1kts
10.7kts
0.5m
7.8sec
0mm
0%
19°C
19°C
  • ●
  • ●
  • ●
19:00
5.8kts
8kts
0.5m
7.8sec
0mm
0%
18°C
19°C
  • ●
  • ●
  • ●
22:00
4.9kts
5.8kts
0.5m
7.8sec
0mm
0%
16°C
16°C
  • ●
  • ●
  • ●

Sunrise: 06:11 / Sunset: 20:25 Twilight: 05:35 / 21:01

Saturday 24 August

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
7.5kts
9.1kts
0.5m
9.2sec
0mm
0%
15°C
15°C
  • ●
  • ●
  • ●
04:00
9.9kts
12.3kts
0.5m
10.8sec
0mm
0%
15°C
15°C
  • ●
  • ●
  • ●
07:00
10kts
12.4kts
0.5m
5.3sec
0mm
0%
16°C
15°C
  • ●
  • ●
  • ●
10:00
10.5kts
13.7kts
0.6m
5.1sec
0mm
0%
18°C
17°C
  • ●
  • ●
  • ●
13:00
10kts
14.3kts
0.6m
5.7sec
0mm
0%
19°C
19°C
  • ●
  • ●
  • ●
16:00
9kts
12.3kts
0.6m
6.1sec
0.4mm
1%
18°C
19°C
  • ●
  • ●
  • ●
19:00
5.2kts
7.7kts
0.5m
7.7sec
1.4mm
3%
18°C
18°C
  • ●
  • ●
  • ●
22:00
1.2kts
2kts
0.6m
10sec
0.1mm
1%
16°C
17°C
  • ●
  • ●
  • ●

Sunrise: 06:13 / Sunset: 20:23 Twilight: 05:37 / 20:59

Sunday 25 August

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
3.2kts
4.1kts
0.8m
5.5sec
0.6mm
3%
16°C
16°C
  • ●
  • ●
  • ●
04:00
13.7kts
19.4kts
1.1m
4.7sec
0.6mm
23%
16°C
15°C
  • ●
  • ●
  • ●
07:00
16.9kts
23kts
1.4m
5.1sec
0.7mm
37%
16°C
14°C
  • ●
  • ●
  • ●

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

Wind angle today

Explore other spots in a wsw wind direction.

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