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 05:28 AM and sunset is at 08:08 PM.
Days 1–3 Weather SummaryHeavy rain (total 45mm), heaviest during Sun morning. Cool air temperatures (max 15°C on Fri afternoon, min 8°C on Sat afternoon). Winds increasing (light winds from the E on Fri night, strong winds from the E by Sun morning). | Days 4–6 Weather SummaryModerate rain (total 15mm), heaviest on Mon morning. Warm air temperatures (max 24°C on Wed afternoon, min 10°C on Mon morning). Wind will be generally light. | Days 7–9 Weather SummaryModerate rain (total 12mm), heaviest on Fri afternoon. Warm (max 22°C on Thu afternoon, min 10°C on Fri night). Winds increasing (calm on Thu night, fresh winds from the NW by Sat afternoon). | Days 10–12 Weather SummaryLight rain (total 2mm), mostly falling on Sun morning. Warm (max 22°C on Mon afternoon, min 10°C on Sun morning). Winds decreasing (strong winds from the NW on Tue afternoon, light winds from the NW by Tue night). | Days 13–16 Weather SummaryLight rain (total 2mm), mostly falling on Fri night. Warm (max 24°C on Fri afternoon, min 15°C on Wed morning). Winds increasing (light winds from the ESE on Fri morning, fresh winds from the W by Sat afternoon). | |||||||||||||||||||||||||||||||||||||||||||
Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | Thursday 28 | Friday 29 | Saturday 30 | Sunday 31 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | Friday 5 | Sat 6 | ||||||||||||||||||||||||||||||||
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 | PM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||||||||||
High Tide | 5:07PM2.04m | 5:32AM2.04m | 6:10PM2.06m | 6:38AM1.98m | 7:10PM2.09m | 7:40AM1.94m | 8:06PM2.13m | 8:38AM1.93m | 8:57PM2.17m | 9:29AM1.92m | 9:44PM2.20m | 10:16AM1.91m | 10:26PM2.21m | 10:58AM1.91m | 11:06PM2.22m | 11:37AM1.91m | 11:45PM2.21m | 12:15PM1.92m | 00:21AM2.20m | 12:52PM1.94m | 00:58AM2.19m | 1:30PM1.95m | 1:36AM2.17m | 2:08PM1.97m | 2:14AM2.15m | 2:47PM1.99m | 2:55AM2.11m | 3:29PM2.01m | |||||||||||||||||||
Low Tide | 10:52AM0.07m | 11:23PM0.23m | 11:54AM0.14m | 00:30AM0.21m | 12:54PM0.17m | 1:32AM0.16m | 1:51PM0.19m | 2:30AM0.10m | 2:43PM0.19m | 3:22AM0.04m | 3:31PM0.18m | 4:10AM0.01m | 4:15PM0.19m | 4:53AM-0.01m | 4:57PM0.20m | 5:33AM-0.00m | 5:36PM0.23m | 6:11AM0.02m | 6:14PM0.26m | 6:48AM0.05m | 6:52PM0.29m | 7:24AM0.09m | 7:30PM0.33m | 8:01AM0.13m | 8:09PM0.36m | 8:39AM0.17m | 8:51PM0.38m | 9:19AM0.20m | |||||||||||||||||||
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 |  |  |  | |  |  | | |  |  |  | | | | |  |  |  | | | | |  | | | | | | | | | | | | | | | | | | | | | | | | |
some clouds | cloudy | cloudy | light rain | light rain | heavy rain | heavy rain | light rain | cloudy | mod rain | rain shwrs | some clouds | cloudy | some clouds | some clouds | rain shwrs | risk tstorm | clear | clear | clear | some clouds | light rain | rain shwrs | rain shwrs | rain shwrs | some clouds | rain shwrs | light rain | cloudy | clear | some clouds | some clouds | some clouds | rain shwrs | clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | some clouds | rain shwrs | clear | some clouds | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
— | — | — | 1 | 5 | 20 | 18 | 1 | — | 7 | 6 | — | — | — | — | 1 | 1 | — | — | — | — | 1 | 3 | 6 | 1 | — | 1 | 1 | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 2 | — | — | |
max °C | 13 | 15 | 12 | 12 | 9 | 10 | 11 | 12 | 11 | 11 | 12 | 15 | 17 | 18 | 17 | 19 | 24 | 22 | 17 | 22 | 21 | 16 | 16 | 16 | 10 | 12 | 10 | 10 | 14 | 13 | 18 | 22 | 21 | 17 | 17 | 16 | 15 | 21 | 17 | 20 | 22 | 20 | 22 | 24 | 21 | 21 | 24 |
Moonrise | 11:32 | — | — | 12:43 | — | — | 1:50 | — | — | 2:54 | — | — | — | 3:58 | — | — | 5:01 | — | — | 6:05 | — | — | 7:08 | — | — | 8:10 | — | — | — | 9:09 | — | — | 10:01 | — | — | 10:46 | — | — | 11:23 | — | — | 11:55 | — | — | — | 12:21 | — |
Moonset | 1:10 | — | — | 1:37 | — | — | 2:00 | — | — | 2:22 | — | — | 2:42 | — | — | 3:03 | — | — | 3:26 | — | — | 3:53 | — | — | 4:24 | — | — | 5:02 | — | — | 5:47 | — | — | 6:40 | — | — | 7:39 | — | — | 8:42 | — | — | 9:46 | — | — | 10:51 | — |
 | 5:28 | — | — | 5:28 | — | — | 5:26 | — | — | 5:26 | — | — | 5:26 | — | — | 5:24 | — | — | 5:24 | — | — | 5:24 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:20 | — | — | 5:20 | — | — | 5:20 | — | — | 5:20 | — |
 | — | 8:08 | — | — | 8:09 | — | — | 8:10 | — | — | 8:12 | — | — | 8:13 | — | — | 8:13 | — | — | 8:14 | — | — | 8:15 | — | — | 8:15 | — | — | 8:16 | — | — | 8:16 | — | — | 8:17 | — | — | 8:19 | — | — | 8:19 | — | — | 8:20 | — | — | 8:21 |
Today's sea temperature in Port Jefferson Harbor entrance, Long Island Sound is 12.5° C (Statistics for 22 May 1981-2005 – mean: 12.1 max: 14.1 min: 9.8°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Nearest