United States

Alaska

Umnak Pass, northwest of Ship Rock

Umnak Pass, northwest of Ship Rock Currents

Marine warnings are in force for this area. The current is flooding at 2.5 kt. Next slack water at 3:45 AM. Current predictions are astronomical, so the weather in those warnings can strengthen or weaken the actual flow.

Last Current - Flood

12:28 AM

AKDT

NE

2.7 kt

45 minutes ago

Next Current - Slack

3:45 AM

AKDT

2 hours, 31 minutes from now

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Following Current - Ebb

6:57 AM

AKDT

SW

4.4 kt

5 hours, 43 minutes from now

Today

🌊 Currents

Flood

12:28 AM

NE

2.7 kt

Slack

3:45 AM

Ebb

6:57 AM

SW

4.4 kt

Slack

11:47 AM

Flood

1:48 PM

NE

4.4 kt

Slack

6:14 PM

Ebb

8:51 PM

SW

2.2 kt

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Tomorrow

🌊 Currents

Slack

12:09 AM

Flood

1:39 AM

NE

3.1 kt

Slack

5:01 AM

Ebb

8:19 AM

SW

4.6 kt

Slack

12:45 PM

Flood

2:39 PM

NE

4.6 kt

Slack

6:45 PM

Ebb

9:40 PM

SW

3.1 kt

🌤️ Marine Weather

Thursday - September 10, 2026

🌊 Currents

Slack

1:10 AM

Flood

2:42 AM

NE

3.7 kt

Slack

6:08 AM

Ebb

9:25 AM

SW

4.8 kt

Slack

1:37 PM

Flood

3:24 PM

NE

4.8 kt

Slack

7:18 PM

Ebb

10:20 PM

SW

3.7 kt

🌤️ Marine Weather

Friday - September 11, 2026

🌊 Currents

Slack

2:02 AM

Flood

3:37 AM

NE

4.1 kt

Slack

7:09 AM

Ebb

10:21 AM

SW

4.8 kt

Slack

2:25 PM

Flood

4:05 PM

NE

4.7 kt

Slack

7:51 PM

Ebb

10:55 PM

SW

4.0 kt

🌤️ Marine Weather

Saturday - September 12, 2026

🌊 Currents

Slack

2:49 AM

Flood

4:28 AM

NE

4.3 kt

Slack

8:06 AM

Ebb

11:11 AM

SW

4.5 kt

Slack

3:10 PM

Flood

4:45 PM

NE

4.4 kt

Slack

8:25 PM

Ebb

11:25 PM

SW

4.1 kt

🌤️ Marine Weather

Sunday - September 13, 2026

🌊 Currents

Slack

3:34 AM

Flood

5:16 AM

NE

4.3 kt

Slack

9:03 AM

Ebb

11:58 AM

SW

3.9 kt

Slack

3:51 PM

Flood

5:24 PM

NE

4.1 kt

Slack

8:58 PM

Ebb

11:51 PM

SW

4.0 kt

🌤️ Marine Weather

Monday - September 14, 2026

🌊 Currents

Slack

4:17 AM

Flood

6:02 AM

NE

4.2 kt

Slack

10:01 AM

Ebb

12:43 PM

SW

3.2 kt

Slack

4:28 PM

Flood

6:02 PM

NE

3.7 kt

Slack

9:32 PM

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Thu, Sep 10

4.8 kt at 3:24 PM

Unusually fast

Fastest Ebb

Thu, Sep 10

4.8 kt at 9:25 AM

Faster than usual

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Peak Daily Currents

Fastest

Thu, Sep 10

4.8 kt max current

Faster than usual

Slowest

Mon, Sep 14

4.2 kt max current

Typical