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 06:28 AM and sunset is at 09:07 PM.
Days 1–3 Weather SummaryLight rain (total 3mm), mostly falling on Tue night. Cool air temperatures (max 16°C on Mon afternoon, min 8°C on Sun afternoon). Winds decreasing (strong winds from the SW on Sun afternoon, calm by Mon night). | Days 4–6 Weather SummaryLight rain (total 9mm), mostly falling on Thu morning. Cool air temperatures (max 17°C on Wed afternoon, min 11°C on Wed night). Wind will be generally light. | Days 7–9 Weather SummaryLight rain (total 2mm), mostly falling on Sat night. Very mild (max 14°C on Sun afternoon, min 9°C on Mon afternoon). Winds increasing (calm on Sat afternoon, fresh winds from the NNE by Mon night). | Days 10–12 Weather SummaryMostly dry. Very mild (max 14°C on Thu night, min 5°C on Thu morning). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 1 | Thursday 2 | Friday 3 | Saturday 4 | Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | |||||||||||||||||||||||||
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 | 4:37PM5.24m | 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 | ||||||||||||||
Low Tide | 10:59AM0.80m | 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 | |||||||||||||
SW 4 | WSW 7 | WSW 4 | WSW 4 | WSW 4 | SW 3 | NW 4 | SW 4 | ESE 3 | W 8 | W 7 | NE 4 | NNE 4 | WSW 4 | N 5 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | N 6 | NNW 5 | N 4 | N 4 | N 4 | N 4 | N 6 | N 7 | N 6 | N 6 | NNE 5 | NNE 5 | NNE 4 | NE 5 | NE 5 | NE 4 | NNE 5 | |
 | |  |  | |  |  | |  | |  | |  | | | | |  | | | | | | | | | | | | | | | | | | | |
cloudy | cloudy | clear | clear | clear | some clouds | some clouds | cloudy | light rain | cloudy | rain shwrs | light rain | light rain | some clouds | some clouds | light rain | light rain | rain shwrs | cloudy | some clouds | light rain | some clouds | some clouds | some clouds | cloudy | cloudy | some clouds | some clouds | clear | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | 3 | — | 2.0 | 2.0 | 2.0 | — | — | 1.0 | 1.0 | 1.0 | — | — | 2.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 11 | 9 | 9 | 11 | 16 | 15 | 14 | 15 | 15 | 15 | 17 | 15 | 13 | 15 | 12 | 12 | 14 | 15 | 12 | 13 | 12 | 13 | 14 | 13 | 12 | 10 | 9 | 9 | 9 | 8 | 7 | 9 | 9 | 8 | 13 | 14 |
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 | — | — |
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 |
 | 6:28 | — | — | 6:26 | — | — | 6:24 | — | — | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — | 6:18 | — | — | 6:16 | — | — | 6:13 | — | — | 6:13 | — | — | 6:11 | — | — | 6:09 | — | — |
 | — | — | 9:07 | — | — | 9:09 | — | — | 9:10 | — | — | 9:13 | — | — | 9:14 | — | — | 9:15 | — | — | 9:17 | — | — | 9:19 | — | — | 9:21 | — | — | 9:22 | — | — | 9:23 | — | — | 9:24 |
Today's sea temperature in Grande-Synthe is 10.9 °C (Statistics for 28 Apr 1981-2005 – mean: 9.7 max: 11.0 min: 8.1°C) | ||||||||||||||||||||||||||||||||||||
Nearest