Swansea Bay Wind and Wave Forecast
GFS 0.25° wind, atmospheric and GFSWave 0.25° forecast data for Swansea Bay.
Tuesday 28 July (Today)
| Wind | Gust | Dir | Cloud | Mid | High | Rain | Temp | Swell | Period | Dir | Wave | Period | Dir | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 07:00 | 7.8kts | 14.8kts | | -1% | -1% | -1% | -1mm | 16.9°C | 0.8m | 5.6sec | | 0.8m | 5.6sec | |
| 10:00 | 7.2kts | 10.3kts | | 47% | 70% | 100% | 0.1mm | 18.8°C | 0.7m | 5.4sec | | 0.5m | 4sec | |
| 13:00 | 7.5kts | 12.5kts | | 46% | 75% | 97% | 0.1mm | 21.2°C | 0.6m | 5.1sec | | 0.6m | 5.1sec | |
| 16:00 | 7.5kts | 12.3kts | | 36% | 94% | 97% | 0mm | 21.9°C | 0.6m | 5sec | | -0.2m | 2sec | |
| 19:00 | 6.6kts | 10.6kts | | 20% | 75% | 67% | 0mm | 20.3°C | 0.6m | 4.9sec | | -0.2m | 1.9sec | |
| 22:00 | 3.1kts | 4.2kts | | 1% | 11% | 5% | 0mm | 15.3°C | 0.5m | 4.9sec | | -1m | -1sec | |
05:31 / 21:13 04:49 / 21:55
°C
Today's tide data
| Time | Height (m) |
|---|---|
| 06:27:12 | H +8.12 |
| 12:31:38 | L +2.27 |
| 18:47:31 | H +8.55 |
| 00:51:41 | L +2.06 |
Tide chart for Mumbles
Tide times vary with distance to report location; all times incorporate BST; for more tide information click here
Wednesday 29 July (Tomorrow)
| Wind | Gust | Dir | Cloud | Mid | High | Rain | Temp | Swell | Period | Dir | Wave | Period | Dir | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 01:00 | 2.2kts | 2.9kts | | 1% | 20% | 3% | 0mm | 14.3°C | 0.5m | 4.9sec | | -1m | -1sec | |
| 04:00 | 2.5kts | 2.7kts | | 4% | 2% | 2% | 0mm | 13.9°C | 0.4m | 4.9sec | | -1m | -1sec | |
| 07:00 | 2.9kts | 3.7kts | | 8% | 1% | 1% | 0mm | 15.6°C | 0.4m | 4.8sec | | -1m | -1sec | |
| 10:00 | 5.1kts | 7.6kts | | 25% | 0% | 22% | 0mm | 20°C | 0.4m | 4.8sec | | -1m | -1sec | |
| 13:00 | 8.5kts | 12kts | | 17% | 5% | 46% | 0mm | 23.2°C | 0.4m | 5.6sec | | 0.2m | 2.8sec | |
| 16:00 | 11.8kts | 14.6kts | | 1% | 19% | 70% | 0mm | 22.5°C | 0.4m | 7.5sec | | 0.4m | 4.7sec | |
| 19:00 | 11.9kts | 14.9kts | | 1% | 11% | 82% | 0mm | 19.7°C | 0.5m | 3.3sec | | 0.5m | 3.1sec | |
| 22:00 | 8.9kts | 15.9kts | | 13% | 7% | 79% | 0mm | 15.5°C | 0.6m | 3.8sec | | 0.6m | 3.8sec | |
05:33 / 21:11 04:51 / 21:53
Thursday 30 July
| Wind | Gust | Dir | Cloud | Mid | High | Rain | Temp | Swell | Period | Dir | Wave | Period | Dir | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 01:00 | 8.6kts | 12.4kts | | 19% | 12% | 88% | 0mm | 15°C | 0.8m | 4.4sec | | 0.8m | 4.4sec | |
| 04:00 | 6.5kts | 10kts | | 49% | 49% | 98% | 0mm | 15.4°C | 0.8m | 5.1sec | | -0.1m | 2sec | |
| 07:00 | 6.4kts | 12kts | | 55% | 34% | 99% | 0mm | 14.4°C | 0.7m | 5.3sec | | 0.6m | 4.2sec | |
| 10:00 | 11.8kts | 14.3kts | | 33% | 28% | 70% | 0mm | 18.4°C | 0.8m | 5.4sec | | 0.7m | 5.4sec | |
| 13:00 | 13.4kts | 14.4kts | | 18% | 16% | 40% | 0mm | 20°C | 0.8m | 5.3sec | | 0.8m | 5.3sec | |
| 16:00 | 12.1kts | 13.3kts | | 0% | 0% | 0% | 0mm | 19.7°C | 0.8m | 5.2sec | | 0.8m | 5.2sec | |
| 19:00 | 9.4kts | 11.7kts | | 0% | 0% | 0% | 0mm | 17.7°C | 0.7m | 5.1sec | | 0.7m | 5.1sec | |
| 22:00 | 6.9kts | 8.7kts | | 0% | 0% | 0% | 0mm | 11.8°C | 0.7m | 5.2sec | | 0.6m | 5sec | |
05:34 / 21:10 04:53 / 21:51
Friday 31 July
| Wind | Gust | Dir | Cloud | Mid | High | Rain | Temp | Swell | Period | Dir | Wave | Period | Dir | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 01:00 | 2.7kts | 5.4kts | | 0% | 0% | 0% | 0mm | 11°C | 0.6m | 5.1sec | | -0.2m | 2sec | |
| 04:00 | 1.7kts | 1.7kts | | 0% | 0% | 0% | 0mm | 10.6°C | 0.5m | 5sec | | -1m | -1sec | |
| 07:00 | 2.2kts | 2.3kts | | 0% | 0% | 0% | 0mm | 13.4°C | 0.5m | 4.8sec | | -0.5m | -0.1sec | |
| 10:00 | 4.2kts | 4.8kts | | 0% | 0% | 0% | 0mm | 19.2°C | 0.4m | 4.8sec | | -1m | -1sec | |
| 13:00 | 8.2kts | 8.9kts | | 0% | 0% | 0% | 0mm | 21.6°C | 0.4m | 4.8sec | | 0.4m | 4.8sec | |
| 16:00 | 11kts | 11.6kts | | 2% | 0% | 0% | 0mm | 21°C | 0.5m | 4.3sec | | 0.5m | 4.4sec | |
| 19:00 | 12kts | 13.1kts | | 1% | 0% | 0% | 0mm | 18.1°C | 0.5m | 3.5sec | | 0.5m | 3.7sec | |
| 22:00 | 7.7kts | 8.7kts | | 0% | 0% | 0% | 0mm | 11.6°C | 0.5m | 3.4sec | | 0.5m | 3.4sec | |
05:36 / 21:08 04:54 / 21:49
Saturday 1 August
| Wind | Gust | Dir | Cloud | Mid | High | Rain | Temp | Swell | Period | Dir | Wave | Period | Dir | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 01:00 | 4.7kts | 7.3kts | | 0% | 0% | 0% | 0mm | 11.5°C | 0.6m | 3.9sec | | 0.5m | 3.9sec | |
| 04:00 | 4.8kts | 6.2kts | | 0% | 0% | 0% | 0mm | 11.1°C | 0.7m | 5sec | | 0.4m | 2.3sec | |
| 07:00 | 4.5kts | 5.6kts | | 0% | 0% | 0% | 0mm | 13.4°C | 0.7m | 5.3sec | | -1m | -1sec | |
| 10:00 | 7kts | 8.2kts | | 0% | 0% | 5% | 0mm | 18.6°C | 0.6m | 6.4sec | | -1m | -1sec | |
| 13:00 | 9.6kts | 10.1kts | | 0% | 0% | 11% | 0mm | 20.7°C | 0.6m | 9.4sec | | 0.5m | 5.1sec | |
| 16:00 | 11.6kts | 11.6kts | | 0% | 0% | 12% | 0mm | 20.2°C | 0.7m | 8.3sec | | 0.6m | 4.9sec | |
| 19:00 | 9.1kts | 11.8kts | | 0% | 1% | 9% | 0mm | 17.7°C | 0.7m | 8.9sec | | 0.6m | 3.9sec | |
| 22:00 | 5.2kts | 6.7kts | | 0% | 0% | 45% | 0mm | 12.1°C | 0.6m | 8.8sec | | 0.3m | 2.5sec | |
05:37 / 21:06 04:56 / 21:47
Sunday 2 August
| Wind | Gust | Dir | Cloud | Mid | High | Rain | Temp | Swell | Period | Dir | Wave | Period | Dir | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 01:00 | 4kts | 4.2kts | | 0% | 0% | 69% | 0mm | 12.2°C | 0.5m | 8.6sec | | 0.3m | 3sec | |
| 04:00 | 9.5kts | 13.2kts | | 0% | 2% | 96% | 0mm | 12.2°C | 0.4m | 8.4sec | | 0.2m | 1.6sec | |
| 07:00 | 10.3kts | 13.8kts | | 0% | 16% | 98% | 0mm | 14.1°C | 0.4m | 8.4sec | | 0.2m | 2.4sec | |
| 10:00 | 13.4kts | 15.3kts | | 0% | 100% | 93% | 0mm | 18.6°C | 0.5m | 8.3sec | | 0.4m | 3.1sec | |
| 13:00 | 10kts | 12.6kts | | 0% | 88% | 88% | 0mm | 22.4°C | 0.6m | 7.5sec | | 0.5m | 3.6sec | |
| 16:00 | 7.9kts | 11.5kts | | 0% | 68% | 99% | 0mm | 23.3°C | 0.5m | 8sec | | 0.4m | 3.5sec | |
| 19:00 | 8.3kts | 10.3kts | | 0% | 70% | 89% | 0mm | 21.6°C | 0.4m | 8sec | | 0.1m | 2.2sec | |
| 22:00 | 3kts | 3.9kts | | 2% | 76% | 84% | 0mm | 15.3°C | 0.4m | 7.9sec | | 0.2m | 1.9sec | |
05:39 / 21:05 04:58 / 21:45
Monday 3 August
| Wind | Gust | Dir | Cloud | Mid | High | Rain | Temp | Swell | Period | Dir | Wave | Period | Dir | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 01:00 | 3.4kts | 3.8kts | | 6% | 85% | 67% | 0mm | 15°C | 0.4m | 8.7sec | | 0.1m | 2.1sec | |
| 04:00 | 2.2kts | 2.4kts | | 10% | 92% | 32% | 0mm | 14.4°C | 0.4m | 9.2sec | | -1m | -1sec | |
| 07:00 | 3.3kts | 3.5kts | | 33% | 85% | 57% | 0.1mm | 15.7°C | 0.5m | 8.7sec | | -1m | -1sec | |
| 10:00 | 3.9kts | 5.9kts | | 44% | 32% | 1% | 0.1mm | 22°C | 0.6m | 8.7sec | | 0.1m | 0.9sec | |
| 13:00 | 2.3kts | 9.2kts | | 41% | 23% | 1% | 0.1mm | 24°C | 0.7m | 8.9sec | | -1m | -1sec | |
| 16:00 | 5.8kts | 10.1kts | | 48% | 5% | 19% | 0mm | 23.4°C | 0.8m | 9sec | | -0.4m | 0.9sec | |
| 19:00 | 8.3kts | 14.2kts | | 44% | 3% | 49% | 0mm | 20.2°C | 1m | 9sec | | -1m | -1sec | |
| 22:00 | 7kts | 12.1kts | | 17% | 1% | 44% | 0mm | 16.3°C | 1.2m | 8.8sec | | -1m | -1sec | |
05:40 / 21:03 05:00 / 21:43
Tuesday 4 August
| Wind | Gust | Dir | Cloud | Mid | High | Rain | Temp | Swell | Period | Dir | Wave | Period | Dir | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 01:00 | 7.8kts | 14.2kts | | 32% | 14% | 46% | 0.1mm | 16.9°C | 1.2m | 8.6sec | | 0.2m | 3.8sec | |
| 04:00 | 7.3kts | 13.7kts | | 75% | 87% | 34% | 0.1mm | 16.6°C | 1.1m | 8.5sec | | -1m | -1sec | |
| 07:00 | 7.6kts | 14.4kts | | 83% | 92% | 36% | 0.3mm | 16.1°C | 1.1m | 8.5sec | | -1m | -1sec | |
| 10:00 | 9.2kts | 13.3kts | | 99% | 73% | 9% | 0.1mm | 17.7°C | 1m | 8.4sec | | 0.1m | 3.7sec | |
| 13:00 | 10kts | 13.9kts | | 86% | 39% | 13% | 0.1mm | 21.6°C | 1m | 8.3sec | | 0.5m | 4.1sec | |
| 16:00 | 11.7kts | 14.9kts | | 13% | 0% | 1% | 0mm | 21.6°C | 1m | 8.2sec | | 0.7m | 6.1sec | |
| 19:00 | 11.2kts | 13.7kts | | 8% | 0% | 6% | 0mm | 18.5°C | 1m | 8sec | | 0.7m | 6sec | |
05:42 / 21:01 05:02 / 21:41