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 08:52 AM and sunset is at 04:47 PM.
Days 1–3 Weather SummaryMostly dry. Icy conditions (max 4°C on Fri night, min -2°C on Wed night). Winds decreasing (strong winds from the ENE on Wed night, moderate winds from the ENE by Thu night). | Days 4–6 Weather SummaryMostly dry. Low air temperatures (max 9°C on Mon night, min 3°C on Sun morning). Winds decreasing (fresh winds from the NE on Sat night, light winds from the ENE by Sun night). | Days 7–9 Weather SummaryModerate rain (total 15mm) heaviest on Wed afternoon, then becoming colder with a dusting of snow on Thu afternoon. Freeze-thaw conditions (max 8°C on Tue morning, min -1°C on Thu afternoon). Winds increasing (light winds from the NNE on Tue morning, strong winds from the NNW by Wed afternoon). | Days 10–12 Weather SummaryLight rain (total 4mm) at first, then becoming colder with a dusting of snow on Fri night. Freeze-thaw conditions (max 5°C on Sun night, min -3°C on Sun night). Mainly strong winds. | |||||||||||||||||||||||||||||||||
Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 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 | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
High Tide | 3:35PM5.15m | 3:52AM5.19m | 4:17PM5.09m | 4:35AM5.10m | 5:04PM4.99m | 5:23AM4.97m | 5:55PM4.88m | 6:17AM4.82m | 6:53PM4.78m | 7:18AM4.72m | 7:56PM4.73m | 8:24AM4.70m | 9:02PM4.77m | 9:30AM4.81m | 10:07PM4.90m | 10:33AM5.02m | 11:06PM5.09m | 11:32AM5.28m | 00:02AM5.30m | 12:27PM5.52m | 00:53AM5.48m | 1:19PM5.69m | 1:41AM5.60m | |||||||||||||
Low Tide | 10:05AM0.70m | 10:23PM0.93m | 10:44AM0.78m | 11:03PM1.05m | 11:25AM0.89m | 11:46PM1.18m | 12:10PM1.01m | 00:36AM1.31m | 1:02PM1.13m | 1:35AM1.42m | 2:06PM1.22m | 2:46AM1.45m | 3:21PM1.21m | 4:02AM1.35m | 4:36PM1.06m | 5:12AM1.13m | 5:43PM0.82m | 6:12AM0.83m | 6:41PM0.56m | 7:06AM0.53m | 7:34PM0.36m | 7:55AM0.28m | 8:22PM0.25m | |||||||||||||
NE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 6 | NNE 6 | NE 6 | NE 5 | NNE 5 | N 7 | N 7 | N 8 | N 8 | N 7 | N 8 | N 6 | N 7 | N 8 | N 7 | NNW 5 | N 8 | N 9 | N 9 | NNW 6 | NE 6 | N 8 | N 7 | N 7 | N 7 | N 7 | NNE 6 | NNE 6 | NNE 6 | E 2 | |
 | |  | | | | | | | |  |  |  | | | | | | | | |  | |  | |  | | | |  | | | | | | | |
clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | cloudy | some clouds | some clouds | clear | clear | some clouds | some clouds | some clouds | some clouds | cloudy | some clouds | light rain | light rain | light rain | light rain | light snow | some clouds | light rain | light rain | light snow | cloudy | some clouds | some clouds | cloudy | cloudy | some clouds | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 5 | 3 | 2 | — | 1 | 3 | — | — | — | — | — | — | — | |
max°C | 1 | 2 | 1 | -1 | 0 | -1 | 0 | 2 | 4 | 5 | 7 | 6 | 5 | 4 | 5 | 6 | 5 | 9 | 8 | 7 | 6 | 5 | 5 | 5 | 3 | 3 | 0 | 3 | 4 | 1 | 2 | 3 | 3 | 2 | 4 | 5 |
Moonrise | 11:40 | — | — | 11:54 | — | — | 12:06 | — | — | 12:18 | — | — | 12:31 | — | — | 12:47 | — | — | 1:07 | — | — | 1:35 | — | — | 2:18 | — | — | — | 3:20 | — | — | 4:40 | — | — | 6:09 | — |
Moonset | — | — | 9:27 | — | — | 10:45 | — | — | — | 12:02 | — | — | 1:22 | — | — | 2:46 | — | — | 4:14 | — | — | 5:46 | — | — | 7:15 | — | — | 8:32 | — | — | 9:30 | — | — | 10:08 | — | — |
 | 8:52 | — | — | 8:52 | — | — | 8:52 | — | — | 8:52 | — | — | 8:52 | — | — | 8:53 | — | — | 8:53 | — | — | 8:53 | — | — | 8:53 | — | — | 8:52 | — | — | 8:52 | — | — | 8:52 | — | — |
 | — | 4:47 | — | — | 4:47 | — | — | 4:49 | — | — | 4:50 | — | — | 4:51 | — | — | 4:51 | — | — | 4:52 | — | — | 4:52 | — | — | 4:54 | — | — | 4:55 | — | — | 4:57 | — | — | 4:58 | — |
Today's sea temperature in Grande-Synthe is 10.0° C (Statistics for 24 Dec 1981-2005 – mean: 9.3 max: 10.9 min: 8.0°C) | ||||||||||||||||||||||||||||||||||||
Nearest