Grande-Synthe 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 07:58 AM and sunset is at 06:09 PM.
Days 1–3 Weather SummaryModerate rain (total 17mm), heaviest on Wed night. Low air temperatures (max 5°C on Tue afternoon, min 1°C on Thu night). Winds decreasing (fresh winds from the ESE on Wed afternoon, calm by Thu night). | Days 4–6 Weather SummaryLight rain (total 2mm), mostly falling on Fri night. Cool air temperatures (max 12°C on Sun morning, min 3°C on Fri morning). Winds increasing (light winds from the SW on Fri morning, strong winds from the WSW by Sat morning). | Days 7–9 Weather SummaryLight rain (total 5mm), mostly falling on Wed night. Very mild (max 15°C on Tue afternoon, min 9°C on Mon night). Winds increasing (light winds from the SSW on Mon night, strong winds from the SW by Wed night). | Days 10–12 Weather SummaryHeavy rain (total 25mm), heaviest during Fri afternoon. Very mild (max 11°C on Thu morning, min 5°C on Sat night). Winds decreasing (strong winds from the WSW on Thu night, calm by Fri night). | ||||||||||||||||||||||||||||||||||||||||||||
Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 1 | Monday 2 | Tuesday 3 | Wed 4 | ||||||||||||||||||||||||||||||||
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 | 1:05PM5.20m | 1:20AM5.39m | 1:42PM5.53m | 1:56AM5.68m | 2:19PM5.77m | 2:33AM5.86m | 2:56PM5.90m | 3:11AM5.92m | 3:35PM5.88m | 3:51AM5.84m | 4:16PM5.70m | 4:34AM5.63m | 5:00PM5.39m | 5:21AM5.29m | 5:50PM4.98m | 6:16AM4.88m | 6:50PM4.57m | 7:24AM4.52m | 8:04PM4.27m | 8:44AM4.34m | 9:26PM4.24m | 10:06AM4.45m | 10:40PM4.47m | 11:15AM4.76m | 11:40PM4.83m | 12:10PM5.12m | 00:28AM5.20m | 12:56PM5.44m | |||||||||||||||||||
Low Tide | 7:39AM0.53m | 7:57PM0.54m | 8:15AM0.23m | 8:33PM0.33m | 8:50AM0.04m | 9:08PM0.22m | 9:24AM-0.03m | 9:42PM0.23m | 9:59AM0.03m | 10:17PM0.36m | 10:35AM0.23m | 10:52PM0.59m | 11:13AM0.53m | 11:32PM0.91m | 11:57AM0.92m | 00:19AM1.27m | 12:57PM1.34m | 1:32AM1.62m | 2:32PM1.64m | 3:21AM1.73m | 4:15PM1.61m | 4:52AM1.47m | 5:30PM1.30m | 5:57AM1.03m | 6:26PM0.92m | 6:47AM0.58m | 7:12PM0.59m | 7:30AM0.23m | 7:52PM0.36m | ||||||||||||||||||
NNW 6 | N 7 | N 8 | NNE 6 | ENE 5 | NE 6 | NE 7 | NNE 7 | NNE 7 | NNE 6 | WSW 4 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 5 | WSW 5 | WSW 4 | WSW 4 | SW 5 | WSW 6 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | WSW 6 | W 6 | WSW 6 | WSW 5 | NW 3 | WNW 5 | W 5 | SW 6 | WSW 7 | WSW 6 | WSW 5 | WSW 6 | WSW 6 | WSW 6 | WSW 5 | WSW 5 | WSW 4 | WSW 4 | |
 |  |  |  |  |  | | | | | |  | | |  | | | | |  | | | | | | | | | |  | |  | | | | | | | | | | | | | | | | |
rain shwrs | some clouds | cloudy | cloudy | light rain | heavy rain | light rain | cloudy | cloudy | cloudy | cloudy | light rain | cloudy | cloudy | some clouds | some clouds | cloudy | cloudy | some clouds | clear | some clouds | clear | clear | some clouds | some clouds | rain shwrs | light rain | cloudy | light rain | rain shwrs | light rain | mod rain | light rain | light rain | clear | rain shwrs | rain shwrs | clear | some clouds | light rain | light rain | light rain | cloudy | light rain | cloudy | light rain | light rain | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
1 | — | — | — | 1 | 11 | 4 | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | — | 3 | 2 | 1 | 8 | 4 | 1 | — | 1 | 6 | — | — | 1 | 2 | 1 | — | 1 | — | 2 | 4 | |
max°C | 4 | 5 | 5 | 4 | 5 | 5 | 4 | 3 | 1 | 5 | 8 | 10 | 10 | 10 | 11 | 12 | 11 | 11 | 11 | 11 | 10 | 14 | 15 | 14 | 13 | 13 | 10 | 11 | 10 | 9 | 9 | 8 | 7 | 7 | 8 | 7 | 8 | 8 | 7 | 7 | 10 | 11 | 10 | 9 | 9 | 9 | 9 |
Moonrise | 8:08 | — | — | 8:22 | — | — | 8:34 | — | — | 8:47 | — | — | 9:00 | — | — | 9:16 | — | — | 9:38 | — | — | 10:08 | — | — | 10:53 | — | — | 11:55 | — | — | 1:13 | — | — | 2:39 | — | — | — | 4:06 | — | — | 5:30 | — | — | 6:50 | — | — | 8:07 |
Moonset | — | 6:17 | — | — | 7:37 | — | — | 8:57 | — | — | — | 10:20 | — | — | 11:44 | — | — | — | 1:12 | — | — | 2:40 | — | — | 4:02 | — | — | 5:11 | — | — | 6:01 | — | — | 6:35 | — | — | 6:59 | — | — | 7:17 | — | — | 7:30 | — | — | 7:42 | — |
 | 7:58 | — | — | 7:58 | — | — | 7:56 | — | — | 7:54 | — | — | 7:52 | — | — | 7:50 | — | — | 7:48 | — | — | 7:46 | — | — | 7:43 | — | — | 7:41 | — | — | 7:39 | — | — | 7:37 | — | — | 7:35 | — | — | 7:33 | — | — | 7:31 | — | — | 7:28 | — |
 | — | 6:09 | — | — | 6:12 | — | — | 6:14 | — | — | 6:15 | — | — | 6:16 | — | — | 6:19 | — | — | 6:21 | — | — | 6:22 | — | — | 6:23 | — | — | 6:25 | — | — | 6:28 | — | — | 6:29 | — | — | 6:30 | — | — | 6:32 | — | — | 6:35 | — | — | 6:36 |
Today's sea temperature in Grande-Synthe is 8.0° C (Statistics for 17 Feb 1981-2005 – mean: 7.1 max: 9.4 min: 4.4°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Nearest