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Portsmouth Harbor Entrance

Portsmouth Harbor Entrance Currents

Marine warnings are in force for this area. The current is ebbing at 1.4 kt. Peaking at 1.4 kt at 1:40 AM. Current predictions are astronomical, so the weather in those warnings can strengthen or weaken the actual flow.

Last Current - Slack

11:05 PM

EDT

2 hours, 21 minutes ago

Next Current - Ebb

1:40 AM

EDT

SSW

1.4 kt

13 minutes from now

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Following Current - Slack

5:23 AM

EDT

3 hours, 56 minutes from now

Today

🌊 Currents

Ebb

1:40 AM

SSW

1.4 kt

Slack

5:23 AM

Flood

7:34 AM

NNW

1.0 kt

Slack

11:36 AM

Ebb

2:08 PM

SSW

1.4 kt

Slack

5:45 PM

Flood

7:58 PM

NNW

1.0 kt

🌤️ Marine Weather

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Tomorrow

🌊 Currents

Slack

12:03 AM

Ebb

2:42 AM

SSW

1.5 kt

Slack

6:14 AM

Flood

8:30 AM

NNW

1.0 kt

Slack

12:27 PM

Ebb

3:09 PM

SSW

1.5 kt

Slack

6:40 PM

Flood

9:08 PM

NNW

1.1 kt

🌤️ Marine Weather

Saturday - October 10, 2026

🌊 Currents

Slack

12:57 AM

Ebb

3:37 AM

SSW

1.5 kt

Slack

7:02 AM

Flood

9:20 AM

NNW

1.1 kt

Slack

1:16 PM

Ebb

4:02 PM

SSW

1.6 kt

Slack

7:33 PM

Flood

10:24 PM

NNW

1.1 kt

🌤️ Marine Weather

Sunday - October 11, 2026

🌊 Currents

Slack

1:48 AM

Ebb

4:23 AM

SSW

1.5 kt

Slack

7:49 AM

Flood

10:05 AM

NNW

1.1 kt

Slack

2:03 PM

Ebb

4:47 PM

SSW

1.6 kt

Slack

8:25 PM

Flood

11:07 PM

NNW

1.1 kt

🌤️ Marine Weather

Monday - October 12, 2026

🌊 Currents

Slack

2:37 AM

Ebb

5:05 AM

SSW

1.4 kt

Slack

8:35 AM

Flood

10:48 AM

NNW

1.1 kt

Slack

2:48 PM

Ebb

5:29 PM

SSW

1.6 kt

Slack

9:15 PM

Flood

11:45 PM

NNW

1.1 kt

🌤️ Marine Weather

Tuesday - October 13, 2026

🌊 Currents

Slack

3:24 AM

Ebb

5:47 AM

SSW

1.4 kt

Slack

9:22 AM

Flood

11:32 AM

NNW

1.1 kt

Slack

3:33 PM

Ebb

6:11 PM

SSW

1.6 kt

Slack

10:04 PM

🌤️ Marine Weather

Wednesday - October 14, 2026

🌊 Currents

Flood

12:26 AM

NNW

1.0 kt

Slack

4:11 AM

Ebb

6:30 AM

SSW

1.3 kt

Slack

10:09 AM

Flood

12:16 PM

NNW

1.1 kt

Slack

4:18 PM

Ebb

6:55 PM

SSW

1.5 kt

Slack

10:53 PM

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Fri, Oct 9

1.1 kt at 9:08 PM

Faster than usual

Fastest Ebb

Sat, Oct 10

1.6 kt at 4:02 PM

Faster than usual

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Peak Daily Currents

Fastest

Sat, Oct 10

1.6 kt max current

Faster than usual

Slowest

Thu, Oct 8

1.4 kt max current

Slower than usual