Swansea Bay Wind and Wave Forecast
GFS 0.25° wind, atmospheric and GFSWave 0.25° forecast data for Swansea Bay.
Saturday 25 July (Today)
| Wind | Gust | Dir | Cloud | Mid | High | Rain | Temp | Swell | Period | Dir | Wave | Period | Dir | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 01:00 | 4.3kts | 6.3kts | | -1% | -1% | -1% | -1mm | 12.4°C | 0.3m | 6.2sec | | 0.2m | 2.7sec | |
| 04:00 | 2.6kts | 4.8kts | | 0% | 0% | 25% | 0mm | 12.8°C | 0.3m | 5.9sec | | -0.3m | 1.2sec | |
| 07:00 | 4.8kts | 8.4kts | | 1% | 7% | 60% | 0mm | 15°C | 0.4m | 4.5sec | | -0.4m | 1.3sec | |
| 10:00 | 10.5kts | 13.1kts | | 1% | 9% | 35% | 0mm | 20°C | 0.5m | 4.1sec | | 0.4m | 4.1sec | |
| 13:00 | 13.7kts | 16.4kts | | 1% | 6% | 31% | 0mm | 21.9°C | 0.6m | 4.1sec | | 0.6m | 4.1sec | |
| 16:00 | 14.6kts | 18.9kts | | 0% | 37% | 72% | 0mm | 21.3°C | 0.8m | 4.2sec | | 0.8m | 4.2sec | |
| 19:00 | 14.8kts | 17.8kts | | 12% | 25% | 47% | 0mm | 18.8°C | 1m | 4.9sec | | 1m | 4.9sec | |
| 22:00 | 11.9kts | 18.4kts | | 47% | 2% | 10% | 0mm | 17.1°C | 1.1m | 5.8sec | | 1.1m | 5.8sec | |
05:27 / 21:17 04:44 / 22:00
°C
Today's tide data
| Time | Height (m) |
|---|---|
| 03:36:41 | H +7.15 |
| 09:53:27 | L +3.26 |
| 16:18:11 | H +7.38 |
| 22:24:20 | L +3.08 |
Tide chart for Mumbles
Tide times vary with distance to report location; all times incorporate BST; for more tide information click here
Sunday 26 July (Tomorrow)
| Wind | Gust | Dir | Cloud | Mid | High | Rain | Temp | Swell | Period | Dir | Wave | Period | Dir | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 01:00 | 10.8kts | 18.1kts | | 64% | 2% | 17% | 0mm | 16.3°C | 1.2m | 6.6sec | | 1.2m | 6.6sec | |
| 04:00 | 11.5kts | 20kts | | 96% | 0% | 3% | 0.3mm | 16.3°C | 1.2m | 6.7sec | | 1.2m | 6.7sec | |
| 07:00 | 14.7kts | 22kts | | 98% | 0% | 27% | 0.4mm | 15.8°C | 1.3m | 6.8sec | | 1.3m | 6.8sec | |
| 10:00 | 15.7kts | 20.4kts | | 100% | 0% | 22% | 0.1mm | 15.9°C | 1.4m | 6.8sec | | 1.4m | 6.8sec | |
| 13:00 | 17.2kts | 20.2kts | | 89% | 0% | 12% | 0.2mm | 19.2°C | 1.4m | 6.9sec | | 1.4m | 6.9sec | |
| 16:00 | 16.3kts | 20.7kts | | 81% | 0% | 16% | 0mm | 19°C | 1.4m | 7sec | | 1.4m | 7sec | |
| 19:00 | 14.6kts | 21.6kts | | 45% | 0% | 8% | 0mm | 17.6°C | 1.4m | 6.7sec | | 1.4m | 6.7sec | |
| 22:00 | 9.2kts | 15.4kts | | 22% | 0% | 0% | 0mm | 15°C | 1.2m | 6.4sec | | -0.1m | 1.1sec | |
05:28 / 21:16 04:46 / 21:58
Monday 27 July
| Wind | Gust | Dir | Cloud | Mid | High | Rain | Temp | Swell | Period | Dir | Wave | Period | Dir | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 01:00 | 8.6kts | 14kts | | 16% | 0% | 0% | 0mm | 13°C | 1.1m | 6.7sec | | -1m | -1sec | |
| 04:00 | 9kts | 12.8kts | | 0% | 0% | 1% | 0mm | 13°C | 1.2m | 7.3sec | | -0.4m | 0.1sec | |
| 07:00 | 6.5kts | 9.7kts | | 0% | 0% | 2% | 0mm | 14.4°C | 1.1m | 7.1sec | | -1m | -1sec | |
| 10:00 | 8.9kts | 10.7kts | | 1% | 1% | 7% | 0mm | 19.2°C | 0.9m | 7sec | | -1m | -1sec | |
| 13:00 | 10.5kts | 13.4kts | | 0% | 2% | 5% | 0mm | 21.9°C | 0.8m | 6.7sec | | 0.6m | 5sec | |
| 16:00 | 12.4kts | 15.4kts | | 15% | 2% | 2% | 0mm | 21.9°C | 0.7m | 6.4sec | | 0.7m | 6.4sec | |
| 19:00 | 11.2kts | 15kts | | 31% | 3% | 6% | 0mm | 19.4°C | 0.7m | 6.2sec | | 0.7m | 6.2sec | |
| 22:00 | 6kts | 7.8kts | | 86% | 12% | 18% | 0mm | 16.8°C | 0.7m | 5.8sec | | 0.5m | 4.3sec | |
05:30 / 21:14 04:48 / 21:56
Tuesday 28 July
| Wind | Gust | Dir | Cloud | Mid | High | Rain | Temp | Swell | Period | Dir | Wave | Period | Dir | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 01:00 | 5.1kts | 6.9kts | | 77% | 53% | 18% | 0mm | 15.9°C | 0.7m | 5.6sec | | -1m | -1sec | |
| 04:00 | 4.8kts | 7.4kts | | 48% | 94% | 1% | 0mm | 16.6°C | 0.7m | 5.6sec | | -1m | -1sec | |
| 07:00 | 4.9kts | 6.3kts | | 48% | 64% | 2% | 0mm | 17.3°C | 0.6m | 5.5sec | | -1m | -1sec | |
| 10:00 | 0.9kts | 5.1kts | | 40% | 40% | 12% | 0mm | 22°C | 0.5m | 5.3sec | | -1m | -1sec | |
| 13:00 | 3.3kts | 8.8kts | | 32% | 28% | 29% | 0mm | 24.4°C | 0.5m | 5.1sec | | -1m | -1sec | |
| 16:00 | 3.5kts | 6.1kts | | 20% | 81% | 97% | 0.1mm | 24.4°C | 0.4m | 5.1sec | | -1m | -1sec | |
| 19:00 | 4.8kts | 5kts | | 11% | 81% | 97% | 0.8mm | 21.9°C | 0.4m | 5.2sec | | 0.1m | 1sec | |
| 22:00 | 0.6kts | 2.8kts | | 0% | 18% | 18% | 0.2mm | 16.3°C | 0.3m | 5.2sec | | -0.5m | -0.2sec | |
05:31 / 21:13 04:49 / 21:55
Wednesday 29 July
| Wind | Gust | Dir | Cloud | Mid | High | Rain | Temp | Swell | Period | Dir | Wave | Period | Dir | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 01:00 | 1.5kts | 3.4kts | | 0% | 9% | 9% | 0.2mm | 15.3°C | 0.3m | 5.2sec | | -1m | -1sec | |
| 04:00 | 2.5kts | 3.1kts | | 0% | 0% | 1% | 0mm | 14.8°C | 0.3m | 5.3sec | | -1m | -1sec | |
| 07:00 | 3.1kts | 3.1kts | | 0% | 0% | 36% | 0mm | 16.9°C | 0.3m | 7.5sec | | -0.5m | 0.1sec | |
| 10:00 | 2.3kts | 5.2kts | | 0% | 3% | 39% | 0mm | 24°C | 0.2m | 8.9sec | | -1m | -1sec | |
| 13:00 | 3.6kts | 8.8kts | | 0% | 11% | 65% | 0mm | 25.2°C | 0.2m | 10.4sec | | -1m | -1sec | |
| 16:00 | 9.4kts | 12.5kts | | 0% | 15% | 79% | 0mm | 25.7°C | 0.3m | 10.2sec | | 0.3m | 5.1sec | |
| 19:00 | 9.5kts | 13.5kts | | 0% | 8% | 43% | 0mm | 20.7°C | 0.5m | 3.9sec | | 0.4m | 2.8sec | |
| 22:00 | 5.5kts | 8.3kts | | 0% | 0% | 1% | 0mm | 14.7°C | 0.4m | 6.6sec | | 0.4m | 2.9sec | |
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 | 3.3kts | 6.3kts | | 0% | 0% | 2% | 0mm | 13.9°C | 0.3m | 9.8sec | | 0.3m | 2.9sec | |
| 04:00 | 2.9kts | 4.6kts | | 0% | 0% | 0% | 0mm | 13.9°C | 0.3m | 9.7sec | | -1m | -1sec | |
| 07:00 | 2.2kts | 4.6kts | | 0% | 0% | 3% | 0mm | 16.2°C | 0.4m | 7.4sec | | -1m | -1sec | |
| 10:00 | 4.1kts | 4.5kts | | 0% | 0% | 50% | 0mm | 22.7°C | 0.5m | 5.1sec | | -1m | -1sec | |
| 13:00 | 6.8kts | 6.7kts | | 1% | 0% | 75% | 0mm | 24.3°C | 0.5m | 4.9sec | | 0.4m | 4.4sec | |
| 16:00 | 11kts | 10.7kts | | 2% | 5% | 100% | 0mm | 22.8°C | 0.6m | 4.2sec | | 0.6m | 4.2sec | |
| 19:00 | 9.9kts | 14.9kts | | 1% | 4% | 73% | 0mm | 20°C | 0.7m | 3.8sec | | 0.6m | 3.8sec | |
| 22:00 | 3.9kts | 5.2kts | | 0% | 0% | 85% | 0mm | 14.8°C | 0.5m | 5.5sec | | 0.3m | 2.4sec | |
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 | 3.7kts | 5.8kts | | 0% | 0% | 92% | 0mm | 14.6°C | 0.4m | 6.8sec | | 0.3m | 2.7sec | |
| 04:00 | 2.3kts | 4.2kts | | 0% | 19% | 94% | 0mm | 14.8°C | 0.4m | 6.7sec | | 0.2m | 2.4sec | |
| 07:00 | 2.1kts | 4kts | | 0% | 52% | 97% | 0mm | 16.4°C | 0.3m | 6.5sec | | 0.2m | 2.5sec | |
| 10:00 | 4.5kts | 4.4kts | | 0% | 89% | 92% | 0mm | 21.4°C | 0.3m | 6.4sec | | 0.1m | 1.7sec | |
| 13:00 | 2.5kts | 3.7kts | | 0% | 91% | 91% | 0mm | 24.9°C | 0.3m | 5.6sec | | 0.2m | 3sec | |
| 16:00 | 10.2kts | 11.7kts | | 0% | 40% | 49% | 0mm | 23°C | 0.5m | 3.7sec | | 0.5m | 4.1sec | |
| 19:00 | 9.6kts | 13.5kts | | 0% | 48% | 69% | 0mm | 20°C | 0.7m | 3.5sec | | 0.6m | 3.6sec | |
| 22:00 | 7.3kts | 11.7kts | | 0% | 93% | 100% | 0mm | 16°C | 0.6m | 3.3sec | | 0.5m | 3.3sec | |
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 | 2.8kts | 5.9kts | | 23% | 96% | 100% | 0mm | 16.1°C | 0.5m | 3.3sec | | 0.5m | 3.2sec | |
| 04:00 | 2.9kts | 5.9kts | | 53% | 95% | 53% | 0mm | 15.6°C | 0.5m | 3.5sec | | 0.5m | 3.3sec | |
| 07:00 | 2.6kts | 4.4kts | | 53% | 81% | 57% | 0mm | 15.7°C | 0.6m | 3.4sec | | 0.6m | 3.4sec | |
| 10:00 | 7.1kts | 7.5kts | | 8% | 71% | 71% | 0mm | 20.1°C | 0.6m | 3.5sec | | 0.6m | 3.5sec | |
| 13:00 | 9kts | 9.9kts | | 30% | 85% | 74% | 0mm | 20.7°C | 0.6m | 3.4sec | | 0.6m | 3.4sec | |
05:37 / 21:06 04:56 / 21:47