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 — and sunset is at 09:07 PM.
Days 1–4 Weather SummarySome drizzle, heaviest during Wed afternoon. Cool air temperatures (max 16°C on Mon afternoon, min 8°C on Mon morning). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 15mm), heaviest on Sat afternoon. Cool air temperatures (max 13°C on Thu morning, min 9°C on Sat morning). Mainly fresh winds. | Days 8–10 Weather SummaryLight rain (total 9mm), mostly falling on Sun afternoon. Very mild (max 13°C on Mon afternoon, min 9°C on Sat night). Winds increasing (calm on Sun morning, fresh winds from the WSW by Sun night). | Days 11–13 Weather SummaryMostly dry. Very mild (max 18°C on Fri afternoon, min 9°C on Thu morning). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Monday 29 | Tuesday 30 | Wednesday 1 | Thursday 2 | Friday 3 | Saturday 4 | Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Fri 10 | |||||||||||||||||||||||||
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 | 4:58AM5.17m | 5:20PM5.01m | 5:45AM4.90m | 6:11PM4.74m | 6:42AM4.63m | 7:13PM4.49m | 7:52AM4.45m | 8:26PM4.38m | 9:10AM4.47m | 9:41PM4.49m | 10:23AM4.73m | 10:49PM4.78m | 11:25AM5.09m | 11:46PM5.15m | 12:18PM5.45m | 00:37AM5.51m | 1:06PM5.73m | 1:24AM5.79m | 1:50PM5.87m | 2:09AM5.94m | 2:33PM5.87m | 2:52AM5.94m | 3:15PM5.73m | |||||||||||||
Low Tide | 11:16PM0.93m | 11:38AM1.05m | 11:59PM1.17m | 12:26PM1.32m | 00:55AM1.40m | 1:32PM1.56m | 2:11AM1.53m | 2:57PM1.65m | 3:37AM1.47m | 4:21PM1.52m | 4:53AM1.19m | 5:31PM1.21m | 5:55AM0.80m | 6:27PM0.84m | 6:49AM0.42m | 7:17PM0.51m | 7:37AM0.12m | 8:02PM0.28m | 8:22AM-0.04m | 8:44PM0.16m | 9:05AM-0.05m | 9:25PM0.17m | 9:47AM0.10m | |||||||||||||
WSW 4 | W 4 | WSW 4 | WNW 5 | SW 4 | ESE 3 | SSW 4 | W 7 | NE 3 | NNE 4 | NNE 4 | WSW 6 | W 6 | WSW 5 | WSW 5 | N 7 | N 6 | NNE 6 | WSW 4 | NE 4 | NNE 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | N 7 | N 6 | NNE 4 | NNE 4 | NNE 5 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 5 | NNE 5 | |
 | |  |  |  | | | |  |  | | | | | | | |  | | | |  | |  |  | | | | | | | | | | | | |
clear | clear | some clouds | some clouds | cloudy | cloudy | some clouds | some clouds | light rain | light rain | light rain | some clouds | some clouds | cloudy | some clouds | some clouds | light rain | mod rain | some clouds | light rain | light rain | rain shwrs | cloudy | rain shwrs | clear | clear | some clouds | clear | clear | cloudy | some clouds | clear | cloudy | clear | clear | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | 1.0 | 5 | 1.0 | — | — | — | — | — | 2.0 | 7 | — | 3 | 4 | 1.0 | — | 1.0 | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 10 | 11 | 16 | 14 | 13 | 15 | 15 | 14 | 16 | 12 | 13 | 13 | 11 | 11 | 13 | 13 | 11 | 11 | 11 | 9 | 12 | 11 | 12 | 13 | 13 | 11 | 11 | 11 | 10 | 11 | 11 | 10 | 12 | 13 | 14 | 18 |
Moonrise | 1:47 | 2:47 | — | — | 3:31 | — | — | 4:03 | — | — | 4:25 | — | — | 4:43 | — | — | 4:57 | — | — | 5:10 | — | — | 5:24 | — | — | 5:39 | — | — | 5:59 | — | — | 6:24 | — | — | 7:01 | — |
Moonset | 8:27 | 9:28 | — | — | 10:44 | — | — | 12:09 | — | — | 1:37 | — | — | — | 3:04 | — | — | 4:32 | — | — | 5:59 | — | — | 7:28 | — | — | 8:59 | — | — | — | 10:30 | — | — | 11:56 | — | — |
 | — | 6:26 | — | — | 6:24 | — | — | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — | 6:18 | — | — | 6:16 | — | — | 6:13 | — | — | 6:13 | — | — | 6:11 | — | — | 6:09 | — | — | 6:07 | — |
 | 9:07 | — | — | 9:09 | — | — | 9:10 | — | — | 9:13 | — | — | 9:14 | — | — | 9:15 | — | — | 9:17 | — | — | 9:19 | — | — | 9:21 | — | — | 9:22 | — | — | 9:23 | — | — | 9:24 | — | 9:27 |
Today's sea temperature in Grande-Synthe is 10.9 °C (Statistics for 28 Apr 1981-2005 – mean: 9.8 max: 11.1 min: 8.1°C) | ||||||||||||||||||||||||||||||||||||
Nearest