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 07:20 AM and sunset is at 04:30 PM.
Days 1–3 Weather SummaryModerate rain (total 18mm), heaviest on Tue afternoon. Low air temperatures (max 9°C on Wed afternoon, min 4°C on Wed night). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 5mm), mostly falling on Sun night. Cool air temperatures (max 13°C on Sun night, min 3°C on Fri night). Wind will be generally light. | Days 7–9 Weather SummaryModerate rain (total 14mm), heaviest on Tue morning. Very mild (max 14°C on Tue morning, min 9°C on Mon night). Winds increasing (light winds from the SSW on Mon morning, strong winds from the W by Tue night). | Days 10–12 Weather SummaryLight rain (total 9mm), mostly falling on Thu morning. Very mild (max 11°C on Fri morning, min 9°C on Thu night). Winds decreasing (strong winds from the WSW on Thu night, calm by Sat night). | Days 13–16 Weather SummaryHeavy rain (total 57mm), heaviest during Sun night. Very mild (max 14°C on Sun afternoon, min 8°C on Mon night). Winds increasing (calm on Mon night, strong winds from the S by Wed morning). | |||||||||||||||||||||||||||||||||||||||||||
Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wed 25 | ||||||||||||||||||||||||||||||||
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 | 7:10AM11.97m | 7:27PM11.89m | 7:46AM11.91m | 8:03PM11.66m | 8:21AM11.65m | 8:40PM11.24m | 8:58AM11.22m | 9:18PM10.69m | 9:37AM10.67m | 9:59PM10.05m | 10:21AM10.05m | 10:47PM9.40m | 11:13AM9.44m | 11:47PM8.85m | 12:19PM9.00m | 1:02AM8.58m | 1:38PM8.91m | 2:21AM8.73m | 2:50PM9.21m | 3:24AM9.22m | 3:48PM9.75m | 4:15AM9.88m | 4:35PM10.39m | 4:59AM10.58m | 5:19PM11.01m | 5:41AM11.24m | 6:00PM11.54m | 6:21AM11.79m | 6:40PM11.91m | ||||||||||||||||||
Low Tide | 1:27PM1.35m | 1:43AM1.34m | 2:02PM1.46m | 2:18AM1.58m | 2:38PM1.74m | 2:53AM1.97m | 3:16PM2.16m | 3:31AM2.48m | 3:56PM2.68m | 4:13AM3.05m | 4:43PM3.23m | 5:02AM3.60m | 5:38PM3.72m | 6:02AM4.04m | 6:44PM4.02m | 7:11AM4.23m | 7:55PM4.03m | 8:23AM4.08m | 9:03PM3.72m | 9:28AM3.66m | 10:00PM3.20m | 10:22AM3.07m | 10:49PM2.61m | 11:10AM2.44m | 11:33PM2.03m | 11:53AM1.87m | 00:14AM1.54m | 12:36PM1.42m | |||||||||||||||||||
Wave Height (m) Direction Period (s) | NE 3 | ENE 3 | NE 3 | NE 3 | NE 3 | NE 2 | NE 3 | NE 3 | NNE 2 | E 2 | W 9 | W 15 | W 4 | E 1 | NE 2 | NE 2 | W 6 | SSE 2 | SSW 3 | SSW 2 | WSW 3 | S 3 | SW 4 | SW 4 | WSW 4 | WSW 4 | WSW 4 | WSW 4 | WSW 4 | SW 4 | WSW 4 | WSW 4 | SW 3 | WSW 3 | WSW 2 | W 10 | SW 3 | SW 4 | SW 4 | SW 4 | SW 3 | W 12 | NW 2 | WSW 3 | W 5 | S 3 | SSW 4 |
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light rain | mod rain | mod rain | light rain | cloudy | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | some clouds | cloudy | light rain | cloudy | some clouds | some clouds | light rain | risk tstorm | light rain | some clouds | some clouds | rain shwrs | rain shwrs | rain shwrs | rain shwrs | clear | some clouds | rain shwrs | cloudy | light rain | rain shwrs | some clouds | rain shwrs | heavy rain | heavy rain | cloudy | light rain | some clouds | some clouds | some clouds | cloudy | mod rain | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
mm | 1 | 6 | 9 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | — | — | 4 | 4 | 5 | — | — | 1 | 1 | 2 | 2 | — | — | 2 | — | 1 | 1 | — | 1 | 32 | 11 | — | 2 | — | — | — | — | 9 |
max °C | 8 | 8 | 8 | 8 | 9 | 8 | 6 | 6 | 4 | 6 | 7 | 5 | 5 | 7 | 5 | 6 | 8 | 13 | 13 | 12 | 11 | 14 | 14 | 13 | 11 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 10 | 11 | 11 | 10 | 13 | 14 | 13 | 12 | 11 | 9 | 9 | 10 | 10 | 14 | 14 |
Moonrise | 9:06 | — | — | 10:14 | — | — | 11:11 | — | — | 11:55 | — | — | 12:28 | — | — | 12:52 | — | — | 1:11 | — | — | 1:25 | — | — | 1:38 | — | — | 1:50 | — | — | 2:02 | — | — | 2:16 | — | — | 2:33 | — | — | 2:57 | — | — | — | 3:30 | — | — | 4:20 |
Moonset | — | 4:27 | — | — | 5:04 | — | — | 5:54 | — | — | 6:55 | — | — | 8:03 | — | — | — | 9:15 | — | — | 10:28 | — | — | 11:42 | — | — | — | 12:56 | — | — | 2:12 | — | — | 3:31 | — | — | 4:55 | — | — | 6:24 | — | — | 7:55 | — | — | 9:21 | — |
 | 7:20 | — | — | 7:22 | — | — | 7:24 | — | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — | 7:31 | — | — | 7:33 | — | — | 7:35 | — | — | 7:37 | — | — | 7:37 | — | — | 7:39 | — | — | 7:41 | — | — | 7:43 | — | — | 7:45 | — | — | 7:46 | — |
 | — | 4:30 | — | — | 4:29 | — | — | 4:27 | — | — | 4:25 | — | — | 4:23 | — | — | 4:22 | — | — | 4:22 | — | — | 4:20 | — | — | 4:19 | — | — | 4:17 | — | — | 4:16 | — | — | 4:15 | — | — | 4:15 | — | — | 4:14 | — | — | 4:13 | — | — | 4:12 |
Today's sea temperature in Cardiff is 11.5°C (Statistics for 10 Nov 1981-2005 – mean: 13.1 max: 14.1 min: 12.0°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Nearest