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 08:47 AM and sunset is at 04:44 PM.
Days 1–3 Weather SummaryLight rain (total 2mm), mostly falling on Tue morning. Cool air temperatures (max 11°C on Mon night, min 7°C on Mon morning). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 5mm), mostly falling on Thu night. Cool air temperatures (max 12°C on Thu night, min 5°C on Sat night). Winds decreasing (strong winds from the SSW on Thu night, light winds from the SW by Fri night). | Days 7–9 Weather SummaryLight rain (total 4mm), mostly falling on Sun night. Very mild (max 10°C on Mon afternoon, min 5°C on Sun morning). Wind will be generally light. | Days 10–12 Weather SummarySome drizzle, heaviest during Thu night. Freeze-thaw conditions (max 7°C on Wed morning, min -1°C on Fri afternoon). Mainly strong winds. | |||||||||||||||||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | |||||||||||||||||||||||||
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 | 9:08AM4.27m | 9:43PM4.29m | 10:04AM4.37m | 10:34PM4.42m | 10:54AM4.53m | 11:19PM4.58m | 11:39AM4.72m | 00:01AM4.74m | 12:21PM4.89m | 00:40AM4.90m | 1:00PM5.03m | 1:18AM5.04m | 1:38PM5.13m | 1:56AM5.15m | 2:16PM5.18m | 2:33AM5.21m | 2:55PM5.19m | 3:11AM5.23m | 3:35PM5.15m | 3:52AM5.19m | 4:17PM5.09m | 4:35AM5.10m | 5:04PM4.99m | 5:23AM4.97m | ||||||||||||
Low Tide | 4:09PM1.48m | 4:38AM1.59m | 5:04PM1.38m | 5:28AM1.42m | 5:52PM1.24m | 6:13AM1.23m | 6:35PM1.08m | 6:54AM1.04m | 7:15PM0.94m | 7:33AM0.88m | 7:54PM0.84m | 8:12AM0.76m | 8:31PM0.78m | 8:49AM0.68m | 9:08PM0.79m | 9:27AM0.67m | 9:46PM0.84m | 10:05AM0.70m | 10:23PM0.93m | 10:44AM0.78m | 11:03PM1.05m | 11:25AM0.89m | 11:46PM1.18m | |||||||||||||
WSW 6 | WSW 6 | SSW 4 | SW 5 | WSW 6 | NNW 4 | NNE 4 | NNE 4 | SW 4 | WSW 6 | SW 5 | SW 6 | W 4 | W 4 | W 4 | WSW 4 | WSW 5 | SSW 4 | SSW 4 | SW 6 | WSW 5 | ENE 3 | NE 3 | N 5 | NNE 5 | NNE 2 | NNE 4 | NNE 5 | NNE 6 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 8 | NNE 8 | NNE 8 | |
 |  |  |  | |  | |  | | | | | | |  | | |  | | | | | | | | | | | | | | | | | | | |
clear | some clouds | cloudy | light rain | some clouds | light rain | clear | cloudy | cloudy | some clouds | some clouds | light rain | cloudy | clear | clear | clear | clear | some clouds | cloudy | light rain | light rain | some clouds | clear | some clouds | cloudy | some clouds | some clouds | cloudy | cloudy | clear | some clouds | cloudy | light rain | clear | clear | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | 1 | — | 1 | — | — | — | — | — | 5 | — | — | — | — | — | — | — | 1 | 3 | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | |
max°C | 9 | 10 | 11 | 11 | 11 | 10 | 9 | 9 | 8 | 10 | 11 | 12 | 9 | 9 | 9 | 7 | 7 | 6 | 7 | 7 | 8 | 9 | 10 | 9 | 9 | 9 | 9 | 7 | 7 | 5 | 4 | 5 | 5 | 0 | 0 | -1 |
Moonrise | 4:16 | — | — | 5:28 | — | — | 6:40 | — | — | 7:51 | — | — | 8:55 | — | — | 9:49 | — | — | 10:30 | — | — | 11:00 | — | — | 11:23 | — | — | 11:40 | — | — | 11:54 | — | — | 12:06 | — | — |
Moonset | 1:49 | — | — | 2:05 | — | — | 2:27 | — | — | 2:57 | — | — | — | 3:38 | — | — | 4:33 | — | — | 5:39 | — | — | 6:53 | — | — | 8:10 | — | — | — | 9:27 | — | — | 10:45 | — | — | — |
 | 8:47 | — | — | 8:48 | — | — | 8:48 | — | — | 8:48 | — | — | 8:49 | — | — | 8:51 | — | — | 8:51 | — | — | 8:52 | — | — | 8:52 | — | — | 8:52 | — | — | 8:52 | — | — | 8:52 | — | — |
 | — | 4:44 | — | — | 4:44 | — | — | 4:44 | — | — | 4:45 | — | — | 4:45 | — | — | 4:45 | — | — | 4:45 | — | — | 4:45 | — | — | 4:46 | — | — | 4:47 | — | — | 4:47 | — | — | 4:49 | — |
Today's sea temperature in Grande-Synthe is 10.4° C (Statistics for 15 Dec 1981-2005 – mean: 9.8 max: 11.0 min: 8.4°C) | ||||||||||||||||||||||||||||||||||||
Nearest