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 06:50 AM and sunset is at 07:05 PM.
Days 1–3 Weather SummarySome drizzle, heaviest during Sat afternoon. Cool air temperatures (max 17°C on Fri afternoon, min 9°C on Sat night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Low air temperatures (max 9°C on Mon morning, min 5°C on Wed night). Wind will be generally light. | Days 7–9 Weather SummaryHeavy rain (total 22mm), heaviest during Sat night. Very mild (max 10°C on Thu morning, min 5°C on Sat night). Winds increasing (calm on Thu morning, near gales from the W by Sat night). | Days 10–12 Weather SummaryModerate rain (total 16mm), heaviest on Mon morning. Very mild (max 11°C on Mon afternoon, min 6°C on Sun morning). Winds decreasing (near gales from the WNW on Sun morning, light winds from the WNW by Tue night). | |||||||||||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | |||||||||||||||||||||||||
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 | 5:08PM4.60m | 5:30AM4.49m | 5:57PM4.27m | 6:27AM4.15m | 7:03PM4.02m | 7:44AM3.95m | 8:27PM3.98m | 9:10AM4.06m | 9:46PM4.23m | 10:22AM4.45m | 10:48PM4.66m | 11:19AM4.97m | 11:39PM5.16m | 12:07PM5.50m | 00:25AM5.63m | 12:51PM5.94m | 1:08AM6.01m | 1:33PM6.22m | 1:50AM6.24m | 2:15PM6.29m | 2:32AM6.29m | 2:57PM6.16m | 3:15AM6.14m | |||||||||||||
Low Tide | 11:13AM1.30m | 11:28PM1.48m | 11:53AM1.64m | 00:19AM1.79m | 1:00PM1.93m | 1:55AM2.00m | 2:55PM2.01m | 3:48AM1.86m | 4:29PM1.73m | 5:01AM1.43m | 5:31PM1.27m | 5:54AM0.90m | 6:20PM0.78m | 6:39AM0.38m | 7:03PM0.35m | 7:21AM-0.05m | 7:44PM0.04m | 8:02AM-0.34m | 8:24PM-0.12m | 8:42AM-0.43m | 9:03PM-0.11m | 9:23AM-0.32m | 9:42PM0.05m | |||||||||||||
ENE 4 | NE 4 | ENE 4 | NE 5 | NNE 6 | NNE 7 | NNE 7 | NNE 8 | NNE 7 | NNE 7 | NNE 7 | NNE 5 | NNE 5 | NNE 6 | NNE 5 | N 4 | NNE 4 | NNE 5 | N 5 | N 7 | WSW 3 | WSW 4 | WSW 6 | WNW 4 | S 3 | SSW 5 | WSW 7 | WNW 7 | NW 6 | W 5 | WSW 5 | WSW 6 | WSW 6 | W 7 | WNW 5 | NW 6 | |
 | |  |  |  |  | | | | | |  | | | | |  | | | | | |  | | | |  | | | | | |  | | | | |
some clouds | some clouds | cloudy | cloudy | rain shwrs | some clouds | some clouds | cloudy | cloudy | cloudy | cloudy | clear | some clouds | cloudy | some clouds | some clouds | clear | clear | clear | clear | some clouds | cloudy | light rain | some clouds | light rain | light rain | heavy rain | light rain | rain shwrs | some clouds | light rain | rain shwrs | light rain | some clouds | rain shwrs | some clouds | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | 1.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1.0 | — | 1.0 | 5 | 15 | 2.0 | 1.0 | — | 5 | 2.0 | 5 | — | 1.0 | — | |
max°C | 15 | 17 | 15 | 12 | 13 | 11 | 13 | 11 | 11 | 9 | 8 | 7 | 9 | 9 | 8 | 7 | 7 | 6 | 10 | 10 | 9 | 10 | 10 | 8 | 9 | 10 | 6 | 8 | 10 | 8 | 10 | 11 | 8 | 9 | 11 | 9 |
Moonrise | 2:28 | — | — | 3:30 | — | — | 4:21 | — | — | 4:58 | — | — | 5:25 | — | — | 5:45 | — | — | 6:01 | — | — | 6:15 | — | — | 6:29 | — | — | 7:43 | — | — | 7:59 | — | — | 8:21 | — | — |
Moonset | 9:14 | — | — | 10:03 | — | — | 11:06 | — | — | 12:23 | — | — | 1:47 | — | — | — | 3:15 | — | — | 4:43 | — | — | 6:12 | — | — | 7:43 | — | — | — | 10:16 | — | — | 11:51 | — | — | — |
 | 6:50 | — | — | 6:48 | — | — | 6:47 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — | 6:37 | — | — | 6:35 | — | — | 6:33 | — | — | 7:31 | — | — | 6:28 | — | — | 6:26 | — | — |
 | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — | 7:12 | — | — | 7:13 | — | — | 7:15 | — | — | 7:15 | — | — | 7:17 | — | — | 8:20 | — | — | 7:21 | — | — | 7:22 | — |
Today's sea temperature in Grande-Synthe is 7.7 °C (Statistics for 21 Mar 1981-2005 – mean: 7.8 max: 9.4 min: 5.2°C) | ||||||||||||||||||||||||||||||||||||
Nearest