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Port Jefferson Harbor entrance

Port Jefferson Harbor entrance Currents

The current is ebbing at 0.2 kt. Peaking at 1.1 kt at 3:19 PM. Slight seas, W wind at 11 kt with gusts to 18 kt.

Last Current - Slack

11:44 AM

EDT

29 minutes ago

Next Current - Ebb

3:19 PM

EDT

NNW

1.1 kt

3 hours, 5 minutes from now

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Following Current - Slack

6:09 PM

EDT

5 hours, 55 minutes from now

Today

🌊 Currents

Ebb

3:07 AM

NNW

1.2 kt

Slack

5:47 AM

Flood

8:40 AM

SSE

2.0 kt

Slack

11:44 AM

Ebb

3:19 PM

NNW

1.1 kt

Slack

6:09 PM

Flood

9:03 PM

SSE

1.8 kt

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Tomorrow

🌊 Currents

Slack

12:05 AM

Ebb

3:53 AM

NNW

1.2 kt

Slack

6:34 AM

Flood

9:28 AM

SSE

2.0 kt

Slack

12:31 PM

Ebb

4:08 PM

NNW

1.2 kt

Slack

6:59 PM

Flood

9:53 PM

SSE

1.9 kt

🌤️ Marine Weather

Saturday - September 12, 2026

🌊 Currents

Slack

12:54 AM

Ebb

4:32 AM

NNW

1.2 kt

Slack

7:18 AM

Flood

10:14 AM

SSE

2.0 kt

Slack

1:17 PM

Ebb

4:49 PM

NNW

1.2 kt

Slack

7:47 PM

Flood

10:41 PM

SSE

1.8 kt

🌤️ Marine Weather

Sunday - September 13, 2026

🌊 Currents

Slack

1:42 AM

Ebb

5:08 AM

NNW

1.1 kt

Slack

7:59 AM

Flood

10:59 AM

SSE

1.9 kt

Slack

2:01 PM

Ebb

5:26 PM

NNW

1.2 kt

Slack

8:32 PM

Flood

11:27 PM

SSE

1.7 kt

🌤️ Marine Weather

Monday - September 14, 2026

🌊 Currents

Slack

2:30 AM

Ebb

5:44 AM

NNW

1.1 kt

Slack

8:40 AM

Flood

11:42 AM

SSE

1.8 kt

Slack

2:45 PM

Ebb

6:04 PM

NNW

1.1 kt

Slack

9:16 PM

🌤️ Marine Weather

Tuesday - September 15, 2026

🌊 Currents

Flood

12:14 AM

SSE

1.6 kt

Slack

3:19 AM

Ebb

6:25 AM

NNW

1.0 kt

Slack

9:19 AM

Flood

12:25 PM

SSE

1.6 kt

Slack

3:28 PM

Ebb

6:46 PM

NNW

1.0 kt

Slack

9:58 PM

🌤️ Marine Weather

Wednesday - September 16, 2026

🌊 Currents

Flood

1:01 AM

SSE

1.4 kt

Slack

4:08 AM

Ebb

7:10 AM

NNW

0.9 kt

Slack

9:58 AM

Flood

1:08 PM

SSE

1.5 kt

Slack

4:13 PM

Ebb

7:31 PM

NNW

0.9 kt

Slack

10:39 PM

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Thu, Sep 10

2.0 kt at 8:40 AM

Unusually fast

Fastest Ebb

Thu, Sep 10

1.2 kt at 3:07 AM

Unusually fast

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Peak Daily Currents

Fastest

Thu, Sep 10

2.0 kt max current

Unusually fast

Slowest

Wed, Sep 16

1.5 kt max current

Slower than usual