Swansea Sea Conditions table showing wave height, swell direction and period.
High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 05:20 AM and sunset is at 09:02 PM.
Days 1–3 Weather SummaryHeavy rain (total 30mm), heaviest during Mon night. Cool air temperatures (max 13°C on Mon night, min 8°C on Sun night). Winds increasing (light winds from the WSW on Sun night, fresh winds from the WSW by Tue afternoon). | Days 4–6 Weather SummarySome drizzle, heaviest during Thu morning. Cool air temperatures (max 18°C on Thu afternoon, min 13°C on Wed morning). Winds decreasing (fresh winds from the SW on Wed morning, calm by Thu afternoon). | Days 7–9 Weather SummaryLight rain (total 7mm), mostly falling on Sun night. Warm (max 24°C on Sat afternoon, min 12°C on Mon night). Winds decreasing (fresh winds from the E on Sun morning, calm by Sun night). | Days 10–12 Weather SummaryLight rain (total 2mm), mostly falling on Thu night. Very mild (max 15°C on Tue morning, min 11°C on Tue night). Winds increasing (calm on Tue night, fresh winds from the SW by Thu morning). | Days 13–16 Weather SummaryLight rain (total 3mm), mostly falling on Sun night. Very mild (max 18°C on Sun afternoon, min 10°C on Sat night). Winds increasing (calm on Sat night, fresh winds from the ESE by Sun afternoon). | |||||||||||||||||||||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | Thursday 28 | Friday 29 | Saturday 30 | Sunday 31 | Mon 1 | ||||||||||||||||||||||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||||||||||
High Tide | 7:16AM9.81m | 7:38PM9.89m | 8:02AM9.86m | 8:24PM9.90m | 8:48AM9.68m | 9:11PM9.68m | 9:38AM9.29m | 10:01PM9.28m | 10:29AM8.77m | 10:55PM8.77m | 11:27AM8.21m | 11:54PM8.26m | 12:31PM7.73m | 1:02AM7.85m | 1:42PM7.45m | 2:14AM7.66m | 2:53PM7.41m | 3:23AM7.69m | 3:57PM7.58m | 4:22AM7.86m | 4:50PM7.84m | 5:12AM8.07m | 5:34PM8.12m | 5:54AM8.26m | 6:14PM8.37m | 6:32AM8.42m | 6:50PM8.56m | 7:08AM8.52m | 7:25PM8.68m | ||||||||||||||||||
Low Tide | 1:20PM0.61m | 1:43AM0.53m | 2:04PM0.62m | 2:29AM0.61m | 2:50PM0.86m | 3:17AM0.91m | 3:38PM1.28m | 4:08AM1.38m | 4:31PM1.82m | 5:05AM1.93m | 5:30PM2.36m | 6:11AM2.43m | 6:40PM2.79m | 7:26AM2.76m | 7:56PM2.99m | 8:40AM2.84m | 9:07PM2.95m | 9:44AM2.73m | 10:07PM2.75m | 10:36AM2.54m | 10:57PM2.50m | 11:20AM2.32m | 11:39PM2.25m | 11:58AM2.12m | 00:16AM2.04m | 12:33PM1.95m | 00:52AM1.88m | 1:07PM1.83m | |||||||||||||||||||
WSW 6 | WSW 6 | WSW 6 | WSW 7 | WSW 6 | WSW 6 | SW 6 | WSW 7 | WSW 8 | WSW 11 | WSW 12 | WSW 12 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | ESE 4 | WSW 7 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | WSW 6 | WSW 5 | WSW 10 | WSW 10 | WSW 10 | WSW 7 | WSW 8 | WSW 10 | WSW 11 | WSW 7 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 10 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | |
 |  |  |  | |  | | |  |  | |  | | | |  | | | | |  | | | | | |  | | | | | | | | | | | | | | | | | | | | | |
cloudy | rain shwrs | mod rain | light rain | cloudy | rain shwrs | rain shwrs | rain shwrs | light rain | some clouds | some clouds | some clouds | light rain | some clouds | some clouds | clear | some clouds | some clouds | some clouds | clear | risk tstorm | some clouds | rain shwrs | rain shwrs | some clouds | cloudy | cloudy | clear | clear | some clouds | cloudy | some clouds | some clouds | some clouds | cloudy | rain shwrs | rain shwrs | clear | cloudy | some clouds | cloudy | some clouds | cloudy | cloudy | light rain | some clouds | clear | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
— | 1 | 7 | 3 | — | 12 | 2 | 1 | 4 | — | — | — | 1 | — | — | — | — | — | — | — | 2 | — | 2 | 3 | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | 1 | — | — | |
max °C | 12 | 11 | 9 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 18 | 16 | 18 | 18 | 16 | 22 | 24 | 22 | 21 | 19 | 17 | 14 | 14 | 14 | 15 | 14 | 11 | 14 | 15 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 13 | 13 | 12 | 17 | 18 | 18 | 15 | 15 |
Moonrise | 5:02 | — | — | 5:48 | — | — | 6:53 | — | — | 8:16 | — | — | 9:44 | — | — | 11:12 | — | — | 12:35 | — | — | 1:53 | — | — | — | 3:08 | — | — | 4:22 | — | — | 5:36 | — | — | 6:50 | — | — | 8:04 | — | — | — | 9:15 | — | — | 10:21 | — | — |
Moonset | — | — | 10:53 | — | — | — | 12:08 | — | — | 1:02 | — | — | 1:37 | — | — | 2:01 | — | — | 2:18 | — | — | 2:31 | — | — | 2:43 | — | — | 2:53 | — | — | 3:05 | — | — | 3:18 | — | — | 3:33 | — | — | 3:55 | — | — | 4:23 | — | — | 5:01 | — |
 | 5:20 | — | — | 5:18 | — | — | 5:18 | — | — | 5:16 | — | — | 5:15 | — | — | 5:13 | — | — | 5:13 | — | — | 5:11 | — | — | 5:11 | — | — | 5:09 | — | — | 5:07 | — | — | 5:07 | — | — | 5:05 | — | — | 5:05 | — | — | 5:03 | — | — | 5:03 | — |
 | — | — | 9:02 | — | — | 9:05 | — | — | 9:06 | — | — | 9:07 | — | — | 9:08 | — | — | 9:09 | — | — | 9:12 | — | — | 9:13 | — | — | 9:14 | — | — | 9:15 | — | — | 9:16 | — | — | 9:17 | — | — | 9:19 | — | — | 9:21 | — | — | 9:22 | — | 9:22 |
Today's sea temperature in Swansea is 12.9° C (Statistics for 17 May 1981-2005 – mean: 11.4 max: 12.8 min: 9.7°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Nearest