Port Jefferson 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 04:17 PM.
Days 1–4 Weather SummaryHeavy rain (total 21mm), heaviest during Mon morning. Cool air temperatures (max 14°C on Mon afternoon, min 8°C on Sat night). Winds increasing (calm on Sun morning, fresh winds from the SSW by Mon afternoon). | Days 5–7 Weather SummarySome drizzle, heaviest during Tue night. Low air temperatures (max 9°C on Tue night, min 6°C on Thu night). Wind will be generally light. | Days 8–10 Weather SummaryMostly dry. Very mild (max 13°C on Sun morning, min 5°C on Fri night). Wind will be generally light. | Days 11–13 Weather SummaryModerate rain (total 15mm), heaviest on Tue night. Very mild (max 11°C on Tue morning, min 4°C on Wed night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Sat 6 | Sunday 7 | Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | ||||||||||||||||||||||||
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 | 4:14PM3.38m | 7:27AM3.81m | 5:06PM3.21m | 8:15AM3.77m | 6:02PM2.97m | 9:03AM3.71m | 7:09PM2.67m | 9:48AM3.64m | 8:29PM2.39m | 10:31AM3.55m | 10:08PM2.21m | 11:12AM3.45m | 11:59PM2.23m | 11:48AM3.35m | 1:37AM2.43m | 12:22PM3.23m | 2:51AM2.70m | 12:53PM3.13m | 3:48AM2.97m | 1:22PM3.04m | 4:35AM3.20m | 1:52PM2.99m | 5:15AM3.36m | |||||||||||||
Low Tide | 11:43PM-1.09m | 12:35PM2.39m | 00:31AM-0.86m | 1:36PM2.28m | 1:20AM-0.51m | 2:45PM2.09m | 2:10AM-0.06m | 3:58PM1.83m | 3:02AM0.42m | 5:10PM1.48m | 3:58AM0.93m | 6:10PM1.11m | 5:00AM1.39m | 7:00PM0.74m | 6:09AM1.79m | 7:41PM0.43m | 7:20AM2.08m | 8:18PM0.16m | 8:25AM2.26m | 8:52PM-0.05m | 9:21AM2.38m | 9:24PM-0.21m | 10:07AM2.44m | |||||||||||||
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 |  |  | |  | |  | |  | | | | | | | | | | |  | |  | | | |  | | |  |  | | | | | | | |
some clouds | light rain | mod rain | some clouds | cloudy | mod rain | light rain | light rain | cloudy | cloudy | light rain | cloudy | cloudy | cloudy | some clouds | some clouds | cloudy | cloudy | some clouds | clear | some clouds | clear | clear | clear | cloudy | some clouds | cloudy | some clouds | rain shwrs | rain shwrs | rain shwrs | rain shwrs | some clouds | some clouds | some clouds | cloudy | |
km/h | ||||||||||||||||||||||||||||||||||||
— | 1 | 6 | — | — | 9 | 3 | 2 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 2 | 8 | — | — | — | — | |
max°C | 10 | 9 | 9 | 10 | 10 | 11 | 14 | 10 | 9 | 8 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 8 | 8 | 7 | 7 | 7 | 13 | 10 | 10 | 10 | 10 | 9 | 11 | 9 | 9 | 8 | 8 | 6 | 5 |
Moonrise | 5:59 | — | — | 7:21 | — | — | 8:44 | — | — | — | 10:02 | — | — | 11:16 | — | — | — | 12:26 | — | — | 1:34 | — | — | 2:42 | — | — | 3:49 | — | — | 4:58 | — | — | 6:07 | — | — | 7:12 |
Moonset | — | — | 10:55 | — | — | 11:26 | — | — | 11:49 | — | — | 12:07 | — | — | 12:23 | — | — | 12:37 | — | — | 12:51 | — | — | 1:06 | — | — | 1:24 | — | — | 1:45 | — | — | 2:13 | — | — | 2:50 |
 | — | — | 7:43 | — | — | 7:45 | — | — | 7:46 | — | — | 7:47 | — | — | 7:48 | — | — | 7:48 | — | — | 7:50 | — | — | 7:50 | — | — | 7:52 | — | — | 7:52 | — | — | 7:52 | — | — | 7:54 |
 | 4:17 | — | — | 4:16 | — | — | 4:16 | — | — | 4:16 | — | — | 4:16 | — | — | 4:16 | — | — | 4:16 | — | — | 4:16 | — | — | 4:16 | — | — | 4:17 | — | — | 4:17 | — | — | 4:17 | — | — |
Today's sea temperature in Port Jefferson is 9.6° C (Statistics for 06 Dec 1981-2005 – mean: 9.0 max: 10.2 min: 7.4°C) | ||||||||||||||||||||||||||||||||||||
Forecast update inUpdates in hr min sUpdate imminent
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