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 06:47 AM and sunset is at 08:52 PM.
Days 1–3 Weather SummaryLight rain (total 2mm), mostly falling on Fri afternoon. Cool air temperatures (max 10°C on Fri morning, min 6°C on Fri night). Winds decreasing (strong winds from the NNW on Fri night, light winds from the NE by Sun night). | Days 4–6 Weather SummaryMostly dry. Low air temperatures (max 8°C on Mon morning, min 5°C on Mon night). Wind will be generally light. | Days 7–9 Weather SummaryModerate rain (total 13mm), heaviest on Sat night. Very mild (max 12°C on Sat afternoon, min 7°C on Thu morning). Wind will be generally light. | Days 10–12 Weather SummaryHeavy rain (total 21mm), heaviest during Sun night. Very mild (max 18°C on Tue afternoon, min 10°C on Sun morning). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | |||||||||||||||||||||||||
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 | 11:02AM4.07m | 11:21PM4.17m | 11:55AM4.37m | 00:09AM4.49m | 12:36PM4.69m | 00:48AM4.82m | 1:11PM4.98m | 1:24AM5.11m | 1:44PM5.22m | 1:57AM5.34m | 2:17PM5.39m | 2:30AM5.49m | 2:49PM5.47m | 3:04AM5.55m | 3:22PM5.48m | 3:39AM5.52m | 3:58PM5.40m | 4:16AM5.39m | 4:37PM5.24m | 4:58AM5.17m | 5:20PM5.01m | 5:45AM4.90m | 6:11PM4.74m | |||||||||||||
Low Tide | 5:29AM1.65m | 6:01PM1.70m | 6:22AM1.34m | 6:46PM1.39m | 7:03AM1.02m | 7:23PM1.09m | 7:39AM0.75m | 7:57PM0.83m | 8:13AM0.54m | 8:29PM0.63m | 8:45AM0.41m | 9:01PM0.52m | 9:18AM0.39m | 9:33PM0.50m | 9:51AM0.45m | 10:06PM0.58m | 10:24AM0.60m | 10:40PM0.72m | 10:59AM0.80m | 11:16PM0.93m | 11:38AM1.05m | 11:59PM1.17m | 12:26PM1.32m | 00:55AM1.40m | ||||||||||||
WNW 6 | N 7 | N 8 | N 8 | N 7 | N 7 | N 7 | N 6 | NNE 6 | NNE 5 | NNE 5 | NNE 5 | NNE 4 | NNE 4 | NNE 5 | NNE 4 | N 4 | N 6 | N 7 | WSW 4 | WSW 5 | N 6 | NNE 4 | N 8 | N 7 | N 7 | ENE 3 | ENE 4 | N 4 | NNE 4 | NNE 4 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | |
 |  |  | |  | | | |  | | | |  | | | | | | | |  | | |  | | | | | |  | | | | |  |  | |
cloudy | light rain | cloudy | cloudy | some clouds | cloudy | some clouds | some clouds | some clouds | some clouds | cloudy | some clouds | clear | some clouds | some clouds | cloudy | cloudy | some clouds | some clouds | light rain | light rain | light rain | light rain | rain shwrs | cloudy | light rain | rain shwrs | cloudy | cloudy | mod rain | some clouds | clear | rain shwrs | clear | risk tstorm | risk tstorm | |
km/h | ||||||||||||||||||||||||||||||||||||
— | 2.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1.0 | 3 | 1.0 | 2.0 | 1.0 | — | 1.0 | 4 | — | — | 6 | — | — | 1.0 | — | 7 | 4 | |
max°C | 10 | 10 | 8 | 7 | 8 | 7 | 8 | 9 | 9 | 8 | 8 | 8 | 7 | 8 | 8 | 7 | 8 | 8 | 10 | 11 | 10 | 10 | 11 | 10 | 10 | 12 | 12 | 11 | 14 | 14 | 13 | 16 | 14 | 15 | 18 | 16 |
Moonrise | — | 4:06 | — | — | 5:15 | — | — | 6:24 | — | — | 7:34 | — | — | 8:47 | — | — | — | 10:02 | — | — | 11:19 | — | — | — | 12:36 | — | — | 1:47 | — | — | 2:47 | — | — | 3:31 | — | — |
Moonset | 5:40 | — | — | 5:51 | — | — | 6:01 | — | — | 6:10 | — | — | 6:21 | — | — | 6:34 | — | — | 6:50 | — | — | 7:12 | — | — | 7:42 | — | — | 8:27 | — | — | 9:28 | — | — | 10:44 | — | — |
 | 6:47 | — | — | 6:45 | — | — | 6:43 | — | — | 6:39 | — | — | 6:37 | — | — | 6:35 | — | — | 6:35 | — | — | 6:33 | — | — | 6:31 | — | — | 6:28 | — | — | 6:26 | — | — | 6:24 | — | — |
 | — | 8:52 | — | — | 8:54 | — | — | 8:57 | — | — | 8:58 | — | — | — | 9:00 | — | — | 9:00 | — | — | 9:02 | — | — | 9:05 | — | — | 9:06 | — | — | 9:07 | — | — | 9:09 | — | — | 9:10 |
Today's sea temperature in Grande-Synthe is 11.0 °C (Statistics for 19 Apr 1981-2005 – mean: 9.2 max: 10.6 min: 7.2°C) | ||||||||||||||||||||||||||||||||||||
Nearest