›

Portsmouth Harbor Entrance

Portsmouth Harbor Entrance Currents

The current is ebbing at 1.2 kt. Next slack water at 4:10 AM. Slight seas, NE wind at 9 kt with gusts to 12 kt. Fog right now. Sea state is taken from nearby open water.

Last Current - Ebb

12:08 AM

EDT

SSW

1.2 kt

4 minutes ago

Next Current - Slack

4:10 AM

EDT

3 hours, 57 minutes from now

Download the free app. It's faster 🙂

Following Current - Flood

7:09 AM

EDT

NNW

0.8 kt

6 hours, 56 minutes from now

Today

🌊 Currents

Ebb

12:08 AM

SSW

1.2 kt

Slack

4:10 AM

Flood

7:09 AM

NNW

0.8 kt

Flood

7:46 AM

NNW

0.8 kt

Slack

10:11 AM

Ebb

12:26 PM

SSW

1.1 kt

Slack

4:13 PM

Flood

6:13 PM

NNW

0.9 kt

Slack

10:23 PM

🌤️ Marine Weather

Download the free app. It's faster 🙂

Tomorrow

🌊 Currents

Ebb

12:55 AM

SSW

1.2 kt

Slack

4:59 AM

Flood

7:13 AM

NNW

0.8 kt

Slack

11:00 AM

Ebb

1:14 PM

SSW

1.1 kt

Slack

5:02 PM

Flood

7:03 PM

NNW

0.9 kt

Slack

11:10 PM

🌤️ Marine Weather

Tuesday - August 25, 2026

🌊 Currents

Ebb

1:41 AM

SSW

1.3 kt

Slack

5:44 AM

Flood

7:54 AM

NNW

0.8 kt

Slack

11:46 AM

Ebb

2:01 PM

SSW

1.2 kt

Slack

5:48 PM

Flood

7:50 PM

NNW

1.0 kt

Slack

11:54 PM

🌤️ Marine Weather

Wednesday - August 26, 2026

🌊 Currents

Ebb

2:26 AM

SSW

1.4 kt

Slack

6:27 AM

Flood

8:33 AM

NNW

0.9 kt

Slack

12:29 PM

Ebb

2:46 PM

SSW

1.3 kt

Slack

6:32 PM

Flood

8:37 PM

NNW

1.1 kt

🌤️ Marine Weather

Thursday - August 27, 2026

🌊 Currents

Slack

12:37 AM

Ebb

3:10 AM

SSW

1.5 kt

Slack

7:07 AM

Flood

9:13 AM

NNW

1.0 kt

Slack

1:09 PM

Ebb

3:31 PM

SSW

1.4 kt

Slack

7:14 PM

Flood

9:23 PM

NNW

1.1 kt

🌤️ Marine Weather

Friday - August 28, 2026

🌊 Currents

Slack

1:18 AM

Ebb

3:53 AM

SSW

1.5 kt

Slack

7:46 AM

Flood

9:53 AM

NNW

1.1 kt

Slack

1:47 PM

Ebb

4:14 PM

SSW

1.5 kt

Slack

7:56 PM

Flood

10:08 PM

NNW

1.2 kt

🌤️ Marine Weather

Saturday - August 29, 2026

🌊 Currents

Slack

1:59 AM

Ebb

4:36 AM

SSW

1.6 kt

Slack

8:24 AM

Flood

10:34 AM

NNW

1.2 kt

Slack

2:23 PM

Ebb

4:58 PM

SSW

1.6 kt

Slack

8:38 PM

Flood

10:53 PM

NNW

1.2 kt

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Fri, Aug 28

1.2 kt at 10:08 PM

Faster than usual

Fastest Ebb

Sat, Aug 29

1.6 kt at 4:36 AM

Faster than usual

Download the free app. It's faster 🙂

The same tide and current predictions, on your phone.

Peak Daily Currents

Fastest

Sat, Aug 29

1.6 kt max current

Faster than usual

Slowest

Sun, Aug 23

1.2 kt max current

Slower than usual