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Port Jefferson Harbor Entrance

Port Jefferson Harbor Entrance Tides

The tide is 3.3' and rising: next high 6.8' at 9:32 AM. NW wind at 7 kt with gusts to 9 kt.

Last Tide - Low

0.3'

3:27 AM

EDT

2 hours, 52 minutes ago

Next Tide - High

6.8'

9:32 AM

EDT

3 hours, 12 minutes from now

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☀️

Sunrise

6:26 AM

EDT

6 minutes from now

🌘

Moonset

6:00 PM

EDT

Waning Crescent · 6%

11 hours, 40 minutes from now

Today

🌊 Tides

Low

3:27 AM

0.3'

High

9:32 AM

6.8'

Low

3:42 PM

0.5'

High

9:54 PM

7.5'

☀️ 6:26 AM ↑☀️ 7:13 PM ↓7.5'3.9'0.3'1236912369123:279:323:429:54

🌤️ Marine Weather

☀️ Sun

Rise

6:26 AM

Set

7:13 PM

🌘 Moon

Rise

3:16 AM

10%

Set

6:00 PM

6%

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Tomorrow

🌊 Tides

Low

4:21 AM

0.1'

High

10:26 AM

7.2'

Low

4:39 PM

0.2'

High

10:47 PM

7.6'

☀️ 6:27 AM ↑☀️ 7:11 PM ↓7.6'3.9'0.1'1236912369124:2110:264:3910:47

🌤️ Marine Weather

☀️ Sun

Rise

6:27 AM

Set

7:11 PM

🌘 Moon

Rise

4:32 AM

4%

Set

6:28 PM

2%

Thursday - September 10, 2026

🌊 Tides

Low

5:09 AM

0.0'

High

11:15 AM

7.5'

Low

5:30 PM

0.0'

High

11:36 PM

7.6'

☀️ 6:28 AM ↑☀️ 7:09 PM ↓7.6'3.8'0.0'1236912369125:0911:155:3011:36

🌤️ Marine Weather

☀️ Sun

Rise

6:28 AM

Set

7:09 PM

🌘 Moon

Rise

5:46 AM

1%

Set

6:52 PM

0%

Friday - September 11, 2026

🌊 Tides

Low

5:54 AM

-0.1'

High

12:00 PM

7.7'

Low

6:18 PM

-0.1'

☀️ 6:29 AM ↑☀️ 7:08 PM ↓7.7'3.8'-0.1'1236912369125:5412:006:18

🌤️ Marine Weather

☀️ Sun

Rise

6:29 AM

Set

7:08 PM

🌑 Moon

Rise

6:57 AM

0%

Set

7:14 PM

1%

Saturday - September 12, 2026

🌊 Tides

High

12:22 AM

7.5'

Low

6:37 AM

0.0'

High

12:44 PM

7.8'

Low

7:04 PM

0.0'

☀️ 6:30 AM ↑☀️ 7:06 PM ↓7.8'3.9'0.0'12369123691212:226:3712:447:04

🌤️ Marine Weather

☀️ Sun

Rise

6:30 AM

Set

7:06 PM

🌑 Moon

Rise

8:06 AM

2%

Set

7:36 PM

4%

Sunday - September 13, 2026

🌊 Tides

High

1:07 AM

7.3'

Low

7:18 AM

0.2'

High

1:27 PM

7.7'

Low

7:49 PM

0.1'

☀️ 6:31 AM ↑☀️ 7:04 PM ↓7.7'3.9'0.1'1236912369121:077:181:277:49

🌤️ Marine Weather

☀️ Sun

Rise

6:31 AM

Set

7:04 PM

🌑 Moon

Rise

9:14 AM

7%

Set

8:00 PM

9%

Monday - September 14, 2026

🌊 Tides

High

1:52 AM

7.0'

Low

7:59 AM

0.5'

High

2:09 PM

7.5'

Low

8:33 PM

0.3'

☀️ 6:32 AM ↑☀️ 7:03 PM ↓7.5'3.9'0.3'1236912369121:527:592:098:33

🌤️ Marine Weather

☀️ Sun

Rise

6:32 AM

Set

7:03 PM

🌑 Moon

Rise

10:21 AM

13%

Set

8:26 PM

16%

7-Day Insights

Tidal Extremes

Highest Tide

Sat, Sep 12

7.8' at 12:44 PM

Unusually high

Lowest Tide

Fri, Sep 11

-0.1' at 5:54 AM

Lower than usual

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Biggest Tidal Ranges

Largest

Fri, Sep 11

7.8' tidal range

Larger than usual

Smallest

Tue, Sep 8

7.2' tidal range

Typical