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 06:12 PM.
Days 1–3 Weather SummaryModerate rain (total 10mm), heaviest on Wed night. Cool air temperatures (max 10°C on Fri afternoon, min 3°C on Tue night). Winds decreasing (fresh winds from the ESE on Wed afternoon, calm by Thu afternoon). | Days 4–6 Weather SummarySome drizzle, heaviest during Sat afternoon. Cool air temperatures (max 11°C on Sat afternoon, min 9°C on Sun night). Mainly strong winds. | Days 7–9 Weather SummaryMostly dry. Very mild (max 17°C on Tue afternoon, min 6°C on Wed night). Winds decreasing (fresh winds from the SW on Tue night, light winds from the W by Wed night). | Days 10–12 Weather SummarySome drizzle, heaviest during Fri night. Very mild (max 10°C on Sun afternoon, min 5°C on Thu night). Winds increasing (light winds from the WNW on Fri night, strong winds from the SW by Sun afternoon). | |||||||||||||||||||||||||||||||||||||||||||
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 | Wednesday 4 | Thu 5 | |||||||||||||||||||||||||||||||
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 | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||||||||
High Tide | 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 | 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 | |||||||||||||||||||
NE 5 | ENE 5 | ENE 6 | NE 7 | NNE 7 | WNW 4 | W 4 | WSW 6 | WSW 7 | WSW 6 | WSW 6 | WSW 6 | WSW 5 | WSW 6 | WSW 6 | WSW 5 | WSW 5 | WSW 6 | WSW 6 | WSW 6 | SW 4 | WSW 6 | WSW 5 | N 5 | N 7 | WSW 4 | WSW 5 | WSW 5 | WSW 6 | WSW 5 | NW 5 | W 5 | WSW 6 | WSW 7 | WSW 8 | WSW 8 | WSW 6 | WSW 7 | WSW 7 | WSW 6 | WSW 6 | N 8 | N 9 | N 9 | N 10 | N 5 | |
 | |  |  | |  | | | | |  | | | |  | | | |  | | | | | | | |  | | |  | | | | | | | | | | | | | |  |  | | |
cloudy | cloudy | mod rain | some clouds | cloudy | cloudy | some clouds | cloudy | cloudy | cloudy | light rain | cloudy | some clouds | cloudy | some clouds | some clouds | some clouds | some clouds | clear | some clouds | some clouds | cloudy | cloudy | some clouds | clear | some clouds | clear | some clouds | some clouds | light rain | clear | some clouds | cloudy | cloudy | cloudy | light rain | some clouds | some clouds | some clouds | cloudy | cloudy | light rain | some clouds | rain shwrs | rain shwrs | clear | |
km/h | ||||||||||||||||||||||||||||||||||||||||||||||
— | — | 10 | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 1 | — | — | — | — | — | 2 | — | 1 | 2 | — | |
max°C | 5 | 6 | 5 | 8 | 8 | 7 | 8 | 10 | 10 | 10 | 11 | 10 | 10 | 10 | 10 | 11 | 11 | 12 | 15 | 17 | 14 | 12 | 10 | 8 | 8 | 8 | 6 | 8 | 9 | 9 | 6 | 7 | 8 | 8 | 10 | 10 | 10 | 10 | 9 | 8 | 9 | 8 | 7 | 7 | 6 | 6 |
Moonrise | 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 | — | 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 | — | — | 7:54 |
 | 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 | — | — | 7:26 |
 | — | 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 18 Feb 1981-2005 – mean: 7.1 max: 9.4 min: 4.4°C) | ||||||||||||||||||||||||||||||||||||||||||||||
Nearest