Swansea Bay Weather Forecast
GFS 50km atmospheric and NWW3 100km marine forecast data for Swansea Bay.
Saturday 23 February (Today)
Wind | Gust | Swell | Period | Rain | Cloud | Temp | Chill | [Wind rating] | |||
---|---|---|---|---|---|---|---|---|---|---|---|
00:00 | 15.1kts | 26.9kts | 2.5m | 13.5sec | -1mm | -1% | 9°C | 6°C |
| ||
03:00 | 14.9kts | 25.4kts | 2.6m | 13.3sec | 0mm | 0% | 9°C | 6°C |
| ||
06:00 | 14.7kts | 25.1kts | 2.6m | 13sec | 0mm | 0% | 9°C | 6°C |
| ||
09:00 | 12.9kts | 22.8kts | 2.7m | 12.2sec | 0mm | 0% | 10°C | 10°C |
| ||
12:00 | 9kts | 12.7kts | 2.6m | 12.8sec | 0mm | 0% | 12°C | 12°C |
| ||
15:00 | 5.9kts | 8.5kts | 2.6m | 12.9sec | 0mm | 0% | 12°C | 12°C |
| ||
18:00 | 1.1kts | 1.7kts | 2.5m | 13.2sec | 0mm | 10% | 10°C | 11°C |
| ||
21:00 | 3.9kts | 4.7kts | 2.3m | 13.2sec | 0mm | 14% | 10°C | 10°C |
|
07:12 / 17:46 06:38 / 18:20
°C
Today's tide data
Time | Height (m) |
---|---|
02:39:35 | L +0.62 |
08:57:16 | H +10.02 |
15:05:31 | L +0.79 |
21:19:34 | H +9.58 |
Tide chart for Mumbles

Tide times vary with distance to report location; all times incorporate BST; for more tide information click here
Sunday 24 February (Tomorrow)
Wind | Gust | Swell | Period | Rain | Cloud | Temp | Chill | [Wind rating] | |||
---|---|---|---|---|---|---|---|---|---|---|---|
00:00 | 6.5kts | 8.3kts | 2.1m | 13sec | 0mm | 7% | 9°C | 10°C |
| ||
03:00 | 8.7kts | 11.6kts | 2m | 12.8sec | 0mm | 0% | 9°C | 6°C |
| ||
06:00 | 10kts | 14.3kts | 1.9m | 12.6sec | 0mm | 0% | 9°C | 5°C |
| ||
09:00 | 11.2kts | 17.6kts | 1.8m | 12.5sec | 0mm | 0% | 10°C | 6°C |
| ||
12:00 | 10.7kts | 16.2kts | 1.7m | 12.3sec | 0mm | 0% | 12°C | 11°C |
| ||
15:00 | 10.8kts | 16.1kts | 1.5m | 12.2sec | 0mm | 0% | 12°C | 12°C |
| ||
18:00 | 7.6kts | 10.2kts | 1.4m | 12.1sec | 0mm | 0% | 9°C | 10°C |
| ||
21:00 | 9.3kts | 12.5kts | 1.4m | 11.9sec | 0mm | 0% | 9°C | 6°C |
|
07:10 / 17:47 06:36 / 18:21
Monday 25 February
Wind | Gust | Swell | Period | Rain | Cloud | Temp | Chill | [Wind rating] | |||
---|---|---|---|---|---|---|---|---|---|---|---|
00:00 | 6.6kts | 8.2kts | 1.5m | 12.3sec | 0mm | 0% | 9°C | 6°C |
| ||
03:00 | 7.2kts | 8.5kts | 1.9m | 18.2sec | 0mm | 0% | 8°C | 5°C |
| ||
06:00 | 10kts | 12.7kts | 2.3m | 19.1sec | 0mm | 0% | 8°C | 5°C |
| ||
09:00 | 10.5kts | 14.8kts | 2.5m | 18.1sec | 0mm | 0% | 10°C | 6°C |
| ||
12:00 | 9.3kts | 14.4kts | 2.4m | 17.5sec | 0mm | 0% | 12°C | 11°C |
| ||
15:00 | 8.8kts | 12kts | 2.2m | 16.8sec | 0mm | 0% | 12°C | 12°C |
| ||
18:00 | 8.5kts | 11.6kts | 2m | 16.2sec | 0mm | 0% | 9°C | 10°C |
| ||
21:00 | 7.8kts | 10.8kts | 1.8m | 15.4sec | 0mm | 0% | 9°C | 6°C |
|
07:08 / 17:49 06:34 / 18:23
Tuesday 26 February
Wind | Gust | Swell | Period | Rain | Cloud | Temp | Chill | [Wind rating] | |||
---|---|---|---|---|---|---|---|---|---|---|---|
00:00 | 5.6kts | 6.8kts | 1.7m | 14.7sec | 0mm | 0% | 8°C | 8°C |
| ||
03:00 | 3.7kts | 4.1kts | 1.6m | 14.2sec | 0mm | 0% | 8°C | 7°C |
| ||
06:00 | 5.7kts | 6.7kts | 1.5m | 13.6sec | 0mm | 0% | 8°C | 7°C |
| ||
09:00 | 7kts | 9kts | 1.5m | 13.1sec | 0mm | 0% | 10°C | 7°C |
| ||
12:00 | 5.8kts | 7.5kts | 1.5m | 12.7sec | 0mm | 0% | 12°C | 11°C |
| ||
15:00 | 6.5kts | 8.5kts | 1.4m | 12.5sec | 0mm | 0% | 13°C | 13°C |
| ||
18:00 | 7.9kts | 9.5kts | 1.4m | 12.3sec | 0mm | 0% | 10°C | 11°C |
| ||
21:00 | 7.8kts | 11.6kts | 1.3m | 12.2sec | 0mm | 0% | 9°C | 7°C |
|
07:06 / 17:51 06:32 / 18:25
Wednesday 27 February
Wind | Gust | Swell | Period | Rain | Cloud | Temp | Chill | [Wind rating] | |||
---|---|---|---|---|---|---|---|---|---|---|---|
00:00 | 9.2kts | 12.8kts | 1.3m | 12sec | 0mm | 0% | 9°C | 6°C |
| ||
03:00 | 7.4kts | 9.7kts | 1.2m | 11.8sec | 0mm | 0% | 8°C | 5°C |
| ||
06:00 | 6.1kts | 7.4kts | 1.1m | 11.5sec | 0mm | 0% | 8°C | 5°C |
| ||
09:00 | 5.1kts | 6.7kts | 1.1m | 11.3sec | 0mm | 0% | 10°C | 9°C |
| ||
12:00 | 4.4kts | 5.8kts | 1m | 11.1sec | 0mm | 0% | 12°C | 11°C |
| ||
15:00 | 3.7kts | 5.7kts | 1m | 10.8sec | 0mm | 0% | 12°C | 12°C |
| ||
18:00 | 2.3kts | 3.8kts | 0.9m | 10.6sec | 0mm | 0% | 9°C | 10°C |
| ||
21:00 | 3.7kts | 4.7kts | 0.9m | 10.4sec | 0mm | 0% | 9°C | 9°C |
|
07:03 / 17:53 06:30 / 18:26
Thursday 28 February
Wind | Gust | Swell | Period | Rain | Cloud | Temp | Chill | [Wind rating] | |||
---|---|---|---|---|---|---|---|---|---|---|---|
00:00 | 5.3kts | 8.3kts | 0.8m | 10.2sec | 0mm | 0% | 9°C | 9°C |
| ||
03:00 | 5.8kts | 10.6kts | 0.8m | 10sec | 0mm | 1% | 9°C | 7°C |
| ||
06:00 | 5kts | 7kts | 0.8m | 9.9sec | 0mm | 5% | 9°C | 9°C |
| ||
09:00 | 6.6kts | 10.4kts | 0.8m | 9.9sec | 0mm | 15% | 10°C | 10°C |
| ||
12:00 | 7.1kts | 9kts | 0.8m | 9.8sec | 0.1mm | 47% | 11°C | 10°C |
| ||
15:00 | 7.3kts | 9.4kts | 0.7m | 9.6sec | 0mm | 91% | 11°C | 10°C |
| ||
18:00 | 5.1kts | 7.2kts | 0.7m | 9.5sec | 0mm | 88% | 9°C | 9°C |
| ||
21:00 | 5.4kts | 6.6kts | 0.7m | 9.4sec | 0mm | 14% | 8°C | 8°C |
|
07:01 / 17:55 06:28 / 18:28
Friday 1 March
Wind | Gust | Swell | Period | Rain | Cloud | Temp | Chill | [Wind rating] | |||
---|---|---|---|---|---|---|---|---|---|---|---|
00:00 | 3.9kts | 4.6kts | 0.7m | 9.5sec | 0mm | 7% | 8°C | 7°C |
| ||
03:00 | 2.1kts | 2.4kts | 0.7m | 10.2sec | 0mm | 0% | 8°C | 7°C |
| ||
06:00 | 4.1kts | 4.8kts | 0.8m | 10.8sec | 0mm | 0% | 8°C | 7°C |
| ||
09:00 | 5.8kts | 7.7kts | 0.9m | 16.9sec | 0mm | 1% | 10°C | 6°C |
| ||
12:00 | 5.2kts | 7.4kts | 1m | 19.6sec | 0mm | 7% | 11°C | 10°C |
| ||
15:00 | 3.9kts | 5.6kts | 1.2m | 18.8sec | 0mm | 3% | 11°C | 11°C |
| ||
18:00 | 2.1kts | 3.1kts | 1.3m | 18.1sec | 0mm | 3% | 9°C | 9°C |
| ||
21:00 | 5.7kts | 9.2kts | 1.4m | 12.4sec | 0mm | 3% | 9°C | 9°C |
|
06:59 / 17:56 06:26 / 18:30
Saturday 2 March
Wind | Gust | Swell | Period | Rain | Cloud | Temp | Chill | [Wind rating] | |||
---|---|---|---|---|---|---|---|---|---|---|---|
00:00 | 9.3kts | 14.7kts | 1.6m | 11.2sec | 0mm | 3% | 9°C | 6°C |
| ||
03:00 | 11.1kts | 17.1kts | 1.8m | 11.2sec | 0mm | 25% | 10°C | 6°C |
| ||
06:00 | 13kts | 21.4kts | 1.9m | 11sec | 0.2mm | 45% | 10°C | 6°C |
| ||
09:00 | 11.2kts | 15.9kts | 1.8m | 12.5sec | 0.6mm | 88% | 10°C | 10°C |
| ||
12:00 | 14.7kts | 20.1kts | 1.9m | 10.4sec | 0.6mm | 50% | 11°C | 10°C |
|
06:57 / 17:58 06:23 / 18:32