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Merrimack River entrance

Merrimack River entrance Currents

The current is ebbing at 0.9 kt. Next slack water at 3:35 AM. Slight seas, NE wind at 6 kt with gusts to 9 kt. Fog right now.

Last Current - Ebb

11:34 PM

EDT

ESE

1.1 kt

1 hour, 27 minutes ago

Next Current - Slack

3:35 AM

EDT

2 hours, 33 minutes from now

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Following Current - Flood

7:11 AM

EDT

WNW

1.6 kt

6 hours, 9 minutes from now

Today

🌊 Currents

Slack

3:35 AM

Flood

7:11 AM

WNW

1.6 kt

Slack

9:21 AM

Ebb

11:35 AM

ESE

0.8 kt

Slack

3:28 PM

Flood

7:21 PM

WNW

1.5 kt

Slack

9:31 PM

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Tomorrow

🌊 Currents

Ebb

12:16 AM

ESE

1.1 kt

Slack

4:22 AM

Flood

7:59 AM

WNW

1.7 kt

Slack

10:12 AM

Ebb

12:14 PM

ESE

0.9 kt

Slack

4:19 PM

Flood

8:07 PM

WNW

1.6 kt

Slack

10:20 PM

🌤️ Marine Weather

Tuesday - August 25, 2026

🌊 Currents

Ebb

12:51 AM

ESE

1.2 kt

Slack

5:05 AM

Flood

8:41 AM

WNW

1.8 kt

Slack

11:02 AM

Ebb

12:47 PM

ESE

1.0 kt

Slack

5:09 PM

Flood

8:44 PM

WNW

1.6 kt

Slack

11:08 PM

🌤️ Marine Weather

Wednesday - August 26, 2026

🌊 Currents

Ebb

1:21 AM

ESE

1.2 kt

Slack

5:46 AM

Flood

9:19 AM

WNW

1.9 kt

Slack

11:50 AM

Ebb

1:23 PM

ESE

1.1 kt

Slack

5:56 PM

Flood

9:13 PM

WNW

1.7 kt

Slack

11:53 PM

🌤️ Marine Weather

Thursday - August 27, 2026

🌊 Currents

Ebb

1:53 AM

ESE

1.2 kt

Slack

6:24 AM

Flood

9:54 AM

WNW

2.0 kt

Slack

12:31 PM

Ebb

2:08 PM

ESE

1.2 kt

Slack

6:39 PM

Flood

9:36 PM

WNW

1.8 kt

🌤️ Marine Weather

Friday - August 28, 2026

🌊 Currents

Slack

12:34 AM

Ebb

2:31 AM

ESE

1.3 kt

Slack

7:02 AM

Flood

10:19 AM

WNW

2.1 kt

Slack

1:09 PM

Ebb

2:55 PM

ESE

1.3 kt

Slack

7:20 PM

Flood

10:09 PM

WNW

2.0 kt

🌤️ Marine Weather

Saturday - August 29, 2026

🌊 Currents

Slack

1:13 AM

Ebb

3:10 AM

ESE

1.4 kt

Slack

7:40 AM

Flood

10:40 AM

WNW

2.3 kt

Slack

1:44 PM

Ebb

3:36 PM

ESE

1.4 kt

Slack

8:01 PM

Flood

10:49 PM

WNW

2.2 kt

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Sat, Aug 29

2.3 kt at 10:40 AM

Faster than usual

Fastest Ebb

Sat, Aug 29

1.4 kt at 3:10 AM

Faster than usual

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Peak Daily Currents

Fastest

Sat, Aug 29

2.3 kt max current

Typical

Slowest

Sun, Aug 23

1.6 kt max current

Slower than usual