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Knik Arm, NW of Anchorage

Knik Arm, NW of Anchorage Currents

Marine warnings are in force for this area. The current is flooding at 2.6 kt. Next slack water at 6:40 AM. Current predictions are astronomical, so the weather in those warnings can strengthen or weaken the actual flow.

Last Current - Flood

4:29 AM

AKDT

NNE

2.8 kt

32 minutes ago

Next Current - Slack

6:40 AM

AKDT

1 hour, 38 minutes from now

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Following Current - Ebb

11:01 AM

AKDT

SSW

4.5 kt

5 hours, 59 minutes from now

Today

🌊 Currents

Slack

1:02 AM

Flood

4:29 AM

NNE

2.8 kt

Slack

6:40 AM

Ebb

11:01 AM

SSW

4.5 kt

Slack

1:29 PM

Flood

5:03 PM

NNE

3.8 kt

Slack

7:29 PM

Ebb

11:34 PM

SSW

4.1 kt

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Tomorrow

🌊 Currents

Slack

1:49 AM

Flood

4:58 AM

NNE

3.4 kt

Slack

7:29 AM

Ebb

10:28 AM

SSW

5.1 kt

Slack

2:11 PM

Flood

5:32 PM

NNE

4.3 kt

Slack

8:09 PM

Ebb

10:57 PM

SSW

4.6 kt

🌤️ Marine Weather

Thursday - August 27, 2026

🌊 Currents

Slack

2:30 AM

Flood

4:47 AM

NNE

4.0 kt

Slack

8:12 AM

Ebb

11:01 AM

SSW

5.6 kt

Slack

2:50 PM

Flood

5:17 PM

NNE

4.8 kt

Slack

8:45 PM

Ebb

11:24 PM

SSW

5.3 kt

🌤️ Marine Weather

Friday - August 28, 2026

🌊 Currents

Slack

3:09 AM

Flood

5:22 AM

NNE

4.7 kt

Slack

8:51 AM

Ebb

11:37 AM

SSW

6.1 kt

Slack

3:27 PM

Flood

5:45 PM

NNE

5.3 kt

Slack

9:17 PM

Ebb

11:59 PM

SSW

6.0 kt

🌤️ Marine Weather

Saturday - August 29, 2026

🌊 Currents

Slack

3:46 AM

Flood

6:00 AM

NNE

5.3 kt

Slack

9:29 AM

Ebb

12:15 PM

SSW

6.4 kt

Slack

4:03 PM

Flood

6:20 PM

NNE

5.7 kt

Slack

9:49 PM

🌤️ Marine Weather

Sunday - August 30, 2026

🌊 Currents

Ebb

12:35 AM

SSW

6.5 kt

Slack

4:23 AM

Flood

6:39 AM

NNE

5.8 kt

Slack

10:06 AM

Ebb

12:53 PM

SSW

6.5 kt

Slack

4:38 PM

Flood

6:57 PM

NNE

5.9 kt

Slack

10:20 PM

🌤️ Marine Weather

Monday - August 31, 2026

🌊 Currents

Ebb

1:12 AM

SSW

6.8 kt

Slack

5:00 AM

Flood

7:19 AM

NNE

6.0 kt

Slack

10:44 AM

Ebb

1:31 PM

SSW

6.3 kt

Slack

5:14 PM

Flood

7:36 PM

NNE

5.9 kt

Slack

10:51 PM

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Mon, Aug 31

6.0 kt at 7:19 AM

Faster than usual

Fastest Ebb

Mon, Aug 31

6.8 kt at 1:12 AM

Faster than usual

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Peak Daily Currents

Fastest

Mon, Aug 31

6.8 kt max current

Faster than usual

Slowest

Tue, Aug 25

4.5 kt max current

Slower than usual

Nautical Charts for Knik Arm, NW of Anchorage

Cook Inlet-Approaches to Anchorage

Cook Inlet-East Foreland to Anchorage

Cook Inlet-northern part