Port Jefferson Harbor entrance, Long Island Sound 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 05:21 PM.
Days 1–4 Weather SummaryMostly dry. Icy conditions (max 2°C on Wed afternoon, min -6°C on Thu night). Winds decreasing (fresh winds from the W on Wed night, light winds from the WNW by Fri afternoon). | Days 5–7 Weather SummaryMostly dry. Icy conditions (max 4°C on Sat afternoon, min -3°C on Sun night). Wind will be generally light. | Days 8–10 Weather SummaryModerate rain (total 12mm) heaviest on Wed night, then becoming colder with a dusting of snow on Thu morning. Freeze-thaw conditions (max 9°C on Wed morning, min -3°C on Thu night). Wind will be generally light. | Days 11–13 Weather SummaryA light covering of new snow, mostly falling on Sat afternoon. Becoming milder with moderate rain (total 15mm) heaviest on Sun morning. Freeze-thaw conditions (max 6°C on Sun morning, min -2°C on Sat afternoon). Winds increasing (calm on Fri afternoon, strong winds from the E by Sat night). | ||||||||||||||||||||||||||||||||||||||||||||
Wed 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | ||||||||||||||||||||||||||||||||
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 | PM | night | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||||||||||
High Tide | 6:53PM1.62m | 7:13AM1.89m | 7:47PM1.69m | 8:05AM1.96m | 8:36PM1.78m | 8:52AM2.03m | 9:20PM1.87m | 9:35AM2.10m | 10:01PM1.97m | 10:16AM2.15m | 10:39PM2.05m | 10:56AM2.18m | 11:18PM2.12m | 11:35AM2.18m | 11:56PM2.17m | 12:16PM2.15m | 00:36AM2.19m | 12:58PM2.08m | 1:19AM2.19m | 1:44PM1.99m | 2:06AM2.16m | 2:35PM1.88m | 2:58AM2.10m | 3:33PM1.77m | 3:59AM2.03m | 4:40PM1.69m | 5:07AM1.98m | 5:52PM1.67m | |||||||||||||||||||
Low Tide | 00:59AM0.36m | 1:42PM0.24m | 1:52AM0.33m | 2:31PM0.18m | 2:41AM0.26m | 3:16PM0.10m | 3:26AM0.16m | 3:57PM0.02m | 4:08AM0.06m | 4:35PM-0.05m | 4:48AM-0.03m | 5:12PM-0.12m | 5:29AM-0.12m | 5:49PM-0.16m | 6:09AM-0.18m | 6:27PM-0.16m | 6:52AM-0.20m | 7:08PM-0.14m | 7:38AM-0.17m | 7:51PM-0.07m | 8:29AM-0.11m | 8:41PM0.02m | 9:27AM-0.02m | 9:39PM0.13m | 10:33AM0.07m | 10:47PM0.22m | 11:44AM0.12m | ||||||||||||||||||||
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clear | clear | clear | clear | cloudy | clear | clear | some clouds | clear | clear | some clouds | some clouds | some clouds | some clouds | clear | clear | clear | clear | clear | cloudy | some clouds | light rain | mod rain | light snow | snow shwrs | clear | some clouds | cloudy | light snow | cloudy | light snow | light snow | heavy rain | some clouds | clear | some clouds | clear | clear | some clouds | some clouds | some clouds | clear | some clouds | clear | clear | cloudy | light snow | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 9 | — | — | — | — | — | — | — | — | — | 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 2 | 0 | -1 | 0 | -4 | -2 | -1 | -2 | 2 | 4 | 2 | 0 | 1 | 0 | 0 | 3 | 2 | 3 | 4 | 3 | 9 | 8 | 6 | 0 | 0 | -1 | -1 | 1 | 0 | 0 | -1 | 1 | 6 | 5 | 4 | 3 | 3 | -1 | 1 | 1 | -4 | -6 | -6 | -12 | -8 | -6 | -6 |
Moonrise | — | — | 3:50 | — | — | 4:40 | — | — | 5:22 | — | — | 5:58 | — | — | 6:27 | — | — | 6:53 | — | — | 7:16 | — | — | 7:38 | — | — | 8:00 | — | — | 8:25 | — | — | 8:53 | — | — | 9:27 | — | — | 10:10 | — | — | 11:04 | — | — | 12:09 | — | — |
Moonset | — | — | 12:23 | — | — | 1:21 | — | — | 2:25 | — | — | — | 3:32 | — | — | 4:42 | — | — | 5:51 | — | — | 7:01 | — | — | 8:11 | — | — | — | 9:22 | — | — | 10:36 | — | — | 11:52 | — | — | — | 1:09 | — | — | 2:22 | — | — | 3:26 | — | — |
 | — | — | 6:50 | — | — | 6:48 | — | — | 6:47 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — | 6:41 | — | — | 6:41 | — | — | 6:39 | — | — | 6:37 | — | — | 6:35 | — | — | 6:35 | — | — | 6:33 | — | — | 6:31 | — | — | 6:31 | — | — |
 | 5:21 | — | — | 5:22 | — | — | 5:23 | — | — | 5:24 | — | — | 5:25 | — | — | 5:28 | — | — | 5:29 | — | — | 5:30 | — | — | 5:30 | — | — | 5:31 | — | — | 5:34 | — | — | 5:35 | — | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — | — | 5:39 | — |
Today's sea temperature in Port Jefferson Harbor entrance, Long Island Sound is -0.1° C (Statistics for 11 Feb 1981-2005 – mean: 4.3 max: 6.0 min: 2.6°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Nearest