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Merrimack River entrance

Merrimack River entrance Currents

A marine warning is in force for this area. The current is ebbing at 1.3 kt. Next slack water at 4:46 AM. Current predictions are astronomical, so the weather in that warning can strengthen or weaken the actual flow.

Last Current - Ebb

12:44 AM

EDT

ESE

1.5 kt

1 hour, 27 minutes ago

Next Current - Slack

4:46 AM

EDT

2 hours, 34 minutes from now

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Following Current - Flood

8:06 AM

EDT

WNW

2.3 kt

5 hours, 54 minutes from now

Today

🌊 Currents

Ebb

12:44 AM

ESE

1.5 kt

Slack

4:46 AM

Flood

8:06 AM

WNW

2.3 kt

Slack

10:47 AM

Ebb

1:06 PM

ESE

1.5 kt

Slack

5:10 PM

Flood

8:25 PM

WNW

2.3 kt

Slack

11:08 PM

🌤️ Marine Weather

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Tomorrow

🌊 Currents

Ebb

1:35 AM

ESE

1.6 kt

Slack

5:39 AM

Flood

8:54 AM

WNW

2.5 kt

Slack

11:41 AM

Ebb

2:01 PM

ESE

1.6 kt

Slack

6:07 PM

Flood

9:18 PM

WNW

2.4 kt

🌤️ Marine Weather

Saturday - October 10, 2026

🌊 Currents

Slack

12:05 AM

Ebb

2:28 AM

ESE

1.5 kt

Slack

6:28 AM

Flood

9:43 AM

WNW

2.5 kt

Slack

12:30 PM

Ebb

2:57 PM

ESE

1.6 kt

Slack

6:59 PM

Flood

10:12 PM

WNW

2.4 kt

🌤️ Marine Weather

Sunday - October 11, 2026

🌊 Currents

Slack

12:54 AM

Ebb

3:19 AM

ESE

1.5 kt

Slack

7:14 AM

Flood

10:33 AM

WNW

2.5 kt

Slack

1:13 PM

Ebb

3:47 PM

ESE

1.7 kt

Slack

7:48 PM

Flood

11:06 PM

WNW

2.4 kt

🌤️ Marine Weather

Monday - October 12, 2026

🌊 Currents

Slack

1:38 AM

Ebb

4:02 AM

ESE

1.4 kt

Slack

7:58 AM

Flood

11:21 AM

WNW

2.5 kt

Slack

1:55 PM

Ebb

4:31 PM

ESE

1.6 kt

Slack

8:37 PM

Flood

11:53 PM

WNW

2.4 kt

🌤️ Marine Weather

Tuesday - October 13, 2026

🌊 Currents

Slack

2:21 AM

Ebb

4:39 AM

ESE

1.3 kt

Slack

8:41 AM

Flood

12:00 PM

WNW

2.4 kt

Slack

2:36 PM

Ebb

5:13 PM

ESE

1.5 kt

Slack

9:24 PM

🌤️ Marine Weather

Wednesday - October 14, 2026

🌊 Currents

Flood

12:34 AM

WNW

2.2 kt

Slack

3:05 AM

Ebb

5:10 AM

ESE

1.2 kt

Slack

9:23 AM

Flood

12:31 PM

WNW

2.2 kt

Slack

3:19 PM

Ebb

5:57 PM

ESE

1.4 kt

Slack

10:10 PM

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Fri, Oct 9

2.5 kt at 8:54 AM

Faster than usual

Fastest Ebb

Sun, Oct 11

1.7 kt at 3:47 PM

Unusually fast

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Peak Daily Currents

Fastest

Fri, Oct 9

2.5 kt max current

Faster than usual

Slowest

Wed, Oct 14

2.2 kt max current

Typical