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 08:37 AM and sunset is at 04:45 PM.
Days 1–3 Weather SummaryHeavy rain (total 20mm), heaviest during Sun afternoon. Cool air temperatures (max 14°C on Sun afternoon, min 6°C on Thu night). Winds increasing (light winds from the SSW on Thu night, strong winds from the SSE by Fri night). | Days 4–6 Weather SummaryLight rain (total 6mm), mostly falling on Mon night. Cool air temperatures (max 16°C on Tue afternoon, min 11°C on Tue night). Winds increasing (light winds from the S on Mon night, near gales from the SW by Wed morning). | Days 7–9 Weather SummaryLight rain (total 4mm), mostly falling on Fri night. Very mild (max 12°C on Sat afternoon, min 8°C on Thu night). Wind will be generally light. | Days 10–12 Weather SummaryLight rain (total 4mm), mostly falling on Tue night. Very mild (max 13°C on Sun morning, min 8°C on Mon night). Winds increasing (light winds from the WSW on Mon morning, strong winds from the SW by Tue afternoon). | ||||||||||||||||||||||||||||||||
Friday 5 | Saturday 6 | Sunday 7 | Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | ||||||||||||||||||||||||
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 | 12:40PM5.85m | 1:06AM5.79m | 1:29PM5.94m | 1:53AM5.77m | 2:17PM5.90m | 2:40AM5.65m | 3:06PM5.71m | 3:27AM5.44m | 3:56PM5.42m | 4:15AM5.17m | 4:47PM5.08m | 5:06AM4.87m | 5:42PM4.74m | 6:02AM4.59m | 6:42PM4.46m | 7:02AM4.37m | 7:44PM4.29m | 8:06AM4.26m | 8:46PM4.24m | 9:08AM4.27m | 9:43PM4.29m | 10:04AM4.37m | |||||||||||||
Low Tide | 7:15AM0.31m | 7:40PM0.10m | 8:02AM0.19m | 8:29PM0.10m | 8:49AM0.17m | 9:16PM0.24m | 9:36AM0.25m | 10:04PM0.48m | 10:24AM0.42m | 10:52PM0.79m | 11:13AM0.66m | 11:42PM1.11m | 12:05PM0.93m | 00:35AM1.40m | 1:01PM1.19m | 1:33AM1.62m | 2:02PM1.39m | 2:36AM1.72m | 3:07PM1.49m | 3:40AM1.70m | 4:09PM1.48m | 4:38AM1.59m | 5:04PM1.38m | ||||||||||||
WSW 5 | SSW 3 | SW 6 | WSW 7 | WSW 7 | WSW 6 | WSW 4 | SSW 4 | WSW 8 | WSW 5 | WSW 5 | WSW 4 | WSW 6 | WSW 7 | WSW 6 | SW 5 | WSW 8 | WSW 5 | WSW 4 | WSW 4 | SSE 3 | S 3 | WSW 5 | WSW 6 | WSW 5 | SW 4 | WSW 6 | WSW 5 | WSW 5 | WSW 4 | WSW 3 | WNW 3 | NW 4 | WNW 4 | WSW 5 | |
 | |  |  | |  | |  |  | | | | |  |  | |  | | | | | | | | | | | | | | | | | |  | |
cloudy | cloudy | light rain | light rain | light rain | some clouds | light rain | mod rain | cloudy | cloudy | cloudy | light rain | light rain | some clouds | clear | some clouds | clear | clear | clear | clear | some clouds | cloudy | cloudy | light rain | light rain | light rain | light rain | cloudy | some clouds | cloudy | cloudy | some clouds | clear | cloudy | rain shwrs | |
km/h | |||||||||||||||||||||||||||||||||||
— | — | 5 | 3 | 3 | — | 1 | 7 | — | — | — | 3 | 3 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 1 | — | — | — | — | — | — | — | 1 | |
max°C | 8 | 8 | 10 | 11 | 11 | 11 | 10 | 14 | 14 | 13 | 13 | 13 | 15 | 16 | 13 | 13 | 11 | 11 | 10 | 10 | 9 | 11 | 11 | 11 | 11 | 12 | 12 | 13 | 12 | 11 | 11 | 10 | 9 | 9 | 9 |
Moonrise | — | 4:37 | — | — | 5:50 | — | — | 7:15 | — | — | 8:43 | — | — | — | 10:07 | — | — | 11:27 | — | — | — | 12:42 | — | — | 1:54 | — | — | 3:05 | — | — | 4:16 | — | — | 5:28 | — |
Moonset | 9:47 | — | — | 10:55 | — | — | 11:42 | — | — | 12:13 | — | — | 12:34 | — | — | 12:49 | — | — | 1:02 | — | — | 1:13 | — | — | 1:24 | — | — | 1:35 | — | — | 1:49 | — | — | 2:05 | — |
 | 8:37 | — | — | 8:37 | — | — | 8:38 | — | — | 8:40 | — | — | 8:41 | — | — | 8:41 | — | — | 8:42 | — | — | 8:44 | — | — | 8:45 | — | — | 8:45 | — | — | 8:47 | — | — | 8:48 | — |
 | — | 4:45 | — | — | 4:45 | — | — | 4:44 | — | — | 4:44 | — | — | 4:44 | — | — | 4:44 | — | — | 4:44 | — | — | 4:44 | — | — | 4:44 | — | — | 4:44 | — | — | 4:44 | — | — | 4:44 |
Today's sea temperature in Grande-Synthe is 11.2° C (Statistics for 05 Dec 1981-2005 – mean: 10.7 max: 12.3 min: 8.9°C) | |||||||||||||||||||||||||||||||||||
Nearest