Cardiff 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 06:33 AM and sunset is at 07:45 PM.
Days 1–3 Weather SummaryModerate rain (total 17mm), heaviest on Mon night. Cool air temperatures (max 18°C on Mon morning, min 13°C on Tue night). Winds decreasing (fresh winds from the WNW on Tue afternoon, calm by Wed night). | Days 4–6 Weather SummaryLight rain (total 4mm), mostly falling on Sat afternoon. Cool air temperatures (max 19°C on Fri morning, min 12°C on Fri night). Mainly fresh winds. | Days 7–9 Weather SummaryMostly dry. Warm (max 21°C on Mon afternoon, min 12°C on Tue night). Wind will be generally light. | Days 10–12 Weather SummaryMostly dry. Warm (max 22°C on Thu afternoon, min 12°C on Wed night). Wind will be generally light. | Days 13–16 Weather SummaryMostly dry. Warm (max 24°C on Sun afternoon, min 9°C on Mon night). Winds increasing (calm on Sun afternoon, fresh winds from the NNE by Mon morning). | |||||||||||||||||||||||||||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tue 22 | ||||||||||||||||||||||||||||||||
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 | 4:46PM9.37m | 5:23AM9.53m | 5:51PM10.21m | 6:20AM10.41m | 6:42PM11.12m | 7:05AM11.26m | 7:25PM11.91m | 7:46AM11.94m | 8:05PM12.48m | 8:24AM12.37m | 8:42PM12.75m | 9:01AM12.51m | 9:18PM12.71m | 9:36AM12.36m | 9:53PM12.37m | 10:11AM11.94m | 10:28PM11.76m | 10:47AM11.29m | 11:05PM10.96m | 11:24AM10.49m | 11:45PM10.03m | 12:08PM9.62m | 00:34AM9.10m | 1:06PM8.80m | 1:48AM8.33m | 2:37PM8.32m | 3:34AM8.16m | 4:16PM8.54m | |||||||||||||||||||
Low Tide | 10:23AM4.01m | 11:13PM3.61m | 11:45AM3.33m | 00:20AM2.75m | 12:42PM2.46m | 1:09AM1.88m | 1:27PM1.65m | 1:51AM1.16m | 2:07PM1.04m | 2:28AM0.70m | 2:43PM0.69m | 3:04AM0.52m | 3:18PM0.64m | 3:37AM0.63m | 3:52PM0.86m | 4:11AM1.01m | 4:25PM1.32m | 4:44AM1.60m | 5:00PM1.98m | 5:19AM2.34m | 5:38PM2.76m | 5:59AM3.17m | 6:23PM3.58m | 6:48AM3.99m | 7:24PM4.31m | 7:59AM4.63m | 8:54PM4.69m | 9:40AM4.76m | 10:38PM4.41m | ||||||||||||||||||
Wave Height (m) Direction Period (s) | SW 3 | WSW 3 | SW 3 | SW 3 | WNW 3 | WNW 3 | WNW 2 | WSW 2 | SW 2 | SSW 2 | WSW 3 | SW 3 | SW 3 | WSW 3 | W 4 | W 1 | WSW 3 | SW 3 | WSW 3 | WSW 3 | SW 2 | SW 2 | WSW 2 | SW 3 | W 3 | SW 2 | NNE 2 | NE 2 | E 2 | ENE 2 | ENE 2 | E 2 | E 2 | ENE 2 | E 2 | ENE 2 | ENE 2 | SE 2 | E 1 | NE 2 | W 5 | W 4 | NNE 3 | NNE 3 | NE 3 | NE 3 | NE 2 |
 |  |  |  |  |  | | | | | |  | | |  | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
some clouds | cloudy | heavy rain | light rain | clear | some clouds | some clouds | clear | some clouds | some clouds | some clouds | rain shwrs | some clouds | some clouds | clear | clear | light rain | rain shwrs | some clouds | some clouds | some clouds | some clouds | clear | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | clear | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
mm | — | — | 12 | 5 | — | — | — | — | — | — | — | 1 | — | — | — | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 18 | 18 | 16 | 16 | 17 | 15 | 17 | 17 | 14 | 17 | 18 | 16 | 19 | 19 | 15 | 16 | 16 | 18 | 19 | 19 | 15 | 19 | 21 | 17 | 17 | 19 | 16 | 16 | 20 | 18 | 19 | 22 | 16 | 20 | 22 | 16 | 21 | 23 | 17 | 21 | 24 | 22 | 20 | 22 | 15 | 16 | 20 |
Moonrise | 1:13 | — | — | 2:42 | — | — | 4:11 | — | — | 5:37 | — | — | 7:00 | — | — | 8:21 | — | — | 9:39 | — | — | 10:58 | — | — | 12:15 | — | — | 1:30 | — | — | 2:39 | — | — | — | 3:39 | — | — | 4:26 | — | — | 5:01 | — | — | 5:27 | — | — | 5:47 |
Moonset | — | 6:22 | — | — | 6:45 | — | — | 7:02 | — | — | 7:16 | — | — | 7:28 | — | — | 7:40 | — | — | 7:53 | — | — | 8:09 | — | — | 8:28 | — | — | 8:54 | — | — | — | 9:29 | — | — | 10:15 | — | — | 11:14 | — | — | — | 12:22 | — | — | 1:36 | — |
 | 6:33 | — | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:46 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — |
 | — | 7:45 | — | — | 7:44 | — | — | 7:42 | — | — | 7:39 | — | — | 7:37 | — | — | 7:35 | — | — | 7:32 | — | — | 7:30 | — | — | 7:28 | — | — | 7:25 | — | — | 7:22 | — | — | 7:21 | — | — | 7:19 | — | — | 7:16 | — | — | 7:14 | — | — | 7:12 |
Today's sea temperature in Cardiff is 19.7°C (Statistics for 07 Sep 1981-2005 – mean: 16.1 max: 17.2 min: 14.4°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Nearest