Old Greenwich 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 07:37 PM.
Days 1–4 Weather SummaryLight rain (total 5mm), mostly falling on Fri night. Cool air temperatures (max 17°C on Sat afternoon, min 6°C on Thu night). Mainly fresh winds. | Days 5–7 Weather SummaryLight rain (total 7mm), mostly falling on Wed morning. Cool air temperatures (max 16°C on Mon afternoon, min 7°C on Wed afternoon). Winds increasing (light winds from the WNW on Mon afternoon, fresh winds from the NW by Wed afternoon). | Days 8–10 Weather SummaryMostly dry. Very mild (max 17°C on Sat afternoon, min 1°C on Wed night). Winds decreasing (fresh winds from the WNW on Thu morning, calm by Sat morning). | Days 11–13 Weather SummaryModerate rain (total 16mm), heaviest on Mon night. Very mild (max 18°C on Sun afternoon, min 8°C on Sat night). 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 | Tue 30 | |||||||||||||||||||||||||
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 | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
High Tide | 8:47PM2.18m | 9:11AM2.17m | 9:31PM2.26m | 9:55AM2.19m | 10:11PM2.32m | 10:35AM2.21m | 10:48PM2.37m | 11:12AM2.21m | 11:23PM2.41m | 11:49AM2.21m | 11:57PM2.43m | 12:25PM2.19m | 00:32AM2.44m | 1:02PM2.17m | 1:09AM2.45m | 1:40PM2.15m | 1:48AM2.44m | 2:23PM2.13m | 2:31AM2.42m | 3:10PM2.12m | 3:21AM2.38m | 4:03PM2.12m | 4:18AM2.33m | |||||||||||||
Low Tide | 3:04AM0.31m | 3:23PM0.30m | 3:50AM0.22m | 4:04PM0.25m | 4:30AM0.13m | 4:42PM0.21m | 5:09AM0.06m | 5:18PM0.19m | 5:45AM0.02m | 5:52PM0.19m | 6:21AM-0.01m | 6:27PM0.20m | 6:58AM-0.01m | 7:02PM0.24m | 7:36AM0.02m | 7:39PM0.29m | 8:17AM0.07m | 8:21PM0.34m | 9:02AM0.13m | 9:10PM0.40m | 9:53AM0.19m | 10:07PM0.43m | 10:50AM0.23m | |||||||||||||
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 |  |  |  |  | |  | | | |  | | | | |  |  | | | | | | | | | | | | | | | | |  | | | |
some clouds | some clouds | cloudy | light rain | rain shwrs | some clouds | clear | some clouds | some clouds | clear | clear | some clouds | clear | some clouds | some clouds | cloudy | light rain | rain shwrs | clear | clear | clear | clear | clear | clear | some clouds | some clouds | clear | clear | clear | clear | some clouds | some clouds | light rain | heavy rain | light rain | cloudy | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | 4 | 1.0 | — | — | — | — | — | — | — | — | — | — | — | 4 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1.0 | 13 | 1.0 | — | |
max°C | 6 | 9 | 12 | 9 | 14 | 17 | 11 | 10 | 15 | 14 | 12 | 16 | 15 | 14 | 15 | 12 | 12 | 10 | 5 | 7 | 12 | 10 | 11 | 16 | 15 | 13 | 17 | 15 | 12 | 18 | 16 | 13 | 13 | 9 | 10 | 13 |
Moonrise | 2:37 | — | 3:38 | — | — | 4:38 | — | — | 5:38 | — | — | 6:39 | — | — | 7:42 | — | — | 8:48 | — | — | — | 9:55 | — | — | 11:03 | — | — | — | 12:07 | — | — | 1:04 | — | — | 1:52 | — |
Moonset | 4:07 | 4:28 | — | — | 4:48 | — | — | 5:06 | — | — | 5:25 | — | — | 5:44 | — | — | 6:07 | — | — | 6:34 | — | — | 7:07 | — | — | 7:48 | — | — | 8:40 | — | — | 9:42 | — | — | 10:53 | — |
 | — | 6:07 | — | — | 6:07 | — | — | 6:05 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — | — | 5:58 | — | — | 5:58 | — | — | 5:56 | — | — | 5:54 | — | — | 5:54 | — | — | 5:52 | — |
 | 7:37 | — | 7:38 | — | — | 7:39 | — | — | 7:40 | — | — | 7:42 | — | — | 7:43 | — | — | 7:44 | — | — | 7:45 | — | — | 7:45 | — | — | 7:46 | — | — | 7:47 | — | — | 7:49 | — | — | 7:50 |
Today's sea temperature in Old Greenwich is 9.3 °C (Statistics for 18 Apr 1981-2005 – mean: 6.7 max: 9.2 min: 4.7°C) | ||||||||||||||||||||||||||||||||||||
Nearest