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 — and sunset is at 07:15 PM.
Days 1–4 Weather SummaryModerate rain (total 17mm), heaviest on Wed night. Cool air temperatures (max 18°C on Fri afternoon, min 12°C on Thu morning). Winds decreasing (strong winds from the NNW on Wed night, light winds from the SW by Thu night). | Days 5–7 Weather SummaryMostly dry. Cool air temperatures (max 16°C on Mon afternoon, min 11°C on Tue morning). Winds decreasing (fresh winds from the W on Sat night, calm by Mon afternoon). | Days 8–10 Weather SummaryMostly dry. Very mild (max 18°C on Fri afternoon, min 14°C on Tue night). Wind will be generally light. | Days 11–13 Weather SummaryModerate rain (total 14mm), heaviest on Mon afternoon. Very mild (max 17°C on Fri night, min 10°C on Sun night). Winds increasing (light winds from the SSW on Fri night, fresh winds from the SW by Mon afternoon). | Days 14–17 Weather SummaryModerate rain (total 10mm), heaviest on Thu afternoon. Very mild (max 18°C on Tue night, min 9°C on Thu night). Winds increasing (light winds from the WNW on Tue morning, strong winds from the WSW by Tue night). | |||||||||||||||||||||||||||||||||||||||||||
Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Fri 23 | ||||||||||||||||||||||||||||||||
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 | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||||||||
High Tide | 11:31PM4.75m | 11:51AM4.82m | 00:23AM5.10m | 12:40PM5.19m | 1:07AM5.40m | 1:22PM5.48m | 1:46AM5.60m | 2:01PM5.68m | 2:23AM5.69m | 2:38PM5.76m | 2:58AM5.67m | 3:14PM5.72m | 3:33AM5.53m | 3:50PM5.55m | 4:08AM5.30m | 4:26PM5.28m | 4:43AM5.00m | 5:03PM4.94m | 5:21AM4.67m | 5:45PM4.56m | 6:05AM4.33m | 6:35PM4.19m | 7:01AM4.04m | 7:41PM3.91m | 8:14AM3.88m | 9:04PM3.86m | 9:35AM3.95m | 10:19PM4.07m | |||||||||||||||||||
Low Tide | 6:05PM0.97m | 6:35AM1.00m | 6:56PM0.59m | 7:21AM0.68m | 7:40PM0.29m | 8:01AM0.45m | 8:19PM0.12m | 8:37AM0.32m | 8:54PM0.08m | 9:11AM0.29m | 9:27PM0.16m | 9:42AM0.37m | 9:59PM0.34m | 10:12AM0.53m | 10:30PM0.60m | 10:42AM0.76m | 11:02PM0.90m | 11:14AM1.03m | 11:36PM1.24m | 11:52AM1.34m | 00:17AM1.59m | 12:41PM1.65m | 1:14AM1.89m | 1:52PM1.88m | 2:37AM2.06m | 3:23PM1.91m | 4:07AM1.99m | 4:43PM1.70m | |||||||||||||||||||
Wave Height (m) Direction Period (s) | N 7 | N 7 | N 7 | N 7 | WSW 6 | WSW 6 | WNW 5 | W 5 | W 5 | WNW 5 | WNW 5 | WNW 4 | N 6 | N 6 | N 6 | ENE 4 | SSW 4 | WSW 6 | WSW 6 | WSW 5 | N 4 | E 2 | SW 3 | WSW 4 | WSW 4 | NNW 4 | N 4 | ENE 3 | SW 4 | WSW 6 | NW 4 | NNW 5 | N 5 | WNW 4 | WSW 6 | W 6 | N 6 | N 7 | W 4 | W 6 | NW 6 | WNW 6 | WNW 6 | W 5 | W 6 | WNW 6 | NNW 6 |
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rain shwrs | clear | clear | rain shwrs | light rain | cloudy | rain shwrs | clear | some clouds | clear | some clouds | some clouds | some clouds | clear | some clouds | some clouds | some clouds | cloudy | some clouds | some clouds | some clouds | clear | clear | some clouds | some clouds | cloudy | cloudy | some clouds | cloudy | cloudy | some clouds | clear | some clouds | some clouds | light rain | mod rain | rain shwrs | cloudy | some clouds | light rain | cloudy | cloudy | some clouds | cloudy | rain shwrs | rain shwrs | rain shwrs | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
mm | 12 | — | — | 1 | 3 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 9 | 1 | — | — | 1 | — | — | — | — | 4 | 3 | 1 |
max °C | 15 | 12 | 13 | 14 | 17 | 18 | 17 | 13 | 14 | 14 | 12 | 14 | 15 | 14 | 16 | 16 | 12 | 14 | 14 | 15 | 17 | 17 | 14 | 17 | 16 | 15 | 18 | 17 | 14 | 17 | 15 | 12 | 11 | 12 | 14 | 15 | 16 | 14 | 15 | 18 | 12 | 13 | 12 | 11 | 12 | 11 | 9 |
Moonrise | — | 5:17 | — | — | 6:36 | — | — | 7:54 | — | — | 9:11 | — | — | 10:29 | — | — | 11:45 | — | — | 12:57 | — | — | 2:00 | — | — | 2:53 | — | — | — | 3:33 | — | — | 4:03 | — | — | 4:26 | — | — | 4:43 | — | — | 4:58 | — | — | 5:11 | — | — |
Moonset | — | — | 6:14 | — | — | 6:26 | — | — | 6:39 | — | — | 6:54 | — | — | 7:12 | — | — | 7:36 | — | — | 8:07 | — | — | 8:49 | — | — | — | 9:43 | — | — | 10:47 | — | — | 11:57 | — | — | — | 1:10 | — | — | 2:25 | — | — | 3:40 | — | — | 4:57 |
 | — | 8:00 | — | — | 8:03 | — | — | 8:03 | — | — | 8:06 | — | — | 8:07 | — | — | 8:08 | — | — | 8:11 | — | — | 8:12 | — | — | 8:14 | — | — | 8:15 | — | — | 8:18 | — | — | 8:18 | — | — | 8:21 | — | — | 8:22 | — | — | 8:23 | — | — | 8:26 |
 | 7:15 | — | 7:14 | — | — | 7:12 | — | — | 7:09 | — | — | 7:07 | — | — | 7:06 | — | — | 7:02 | — | — | 7:00 | — | — | 6:59 | — | — | 6:57 | — | — | 6:54 | — | — | 6:52 | — | — | 6:51 | — | — | 6:49 | — | — | 6:46 | — | — | 6:45 | — | — |
Today's sea temperature in Grande-Synthe is 18.6°C (Statistics for 07 Oct 1981-2005 – mean: 15.7 max: 17.0 min: 14.4°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Nearest