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Johnston Channel, off Halftide Rock

Johnston Channel, off Halftide Rock Currents

The current is flooding at 0.1 kt. Peaking at 0.7 kt at 6:50 AM. N wind at 7 kt. Waves on the open water nearby are about 0.4'. It could be calmer here.

Last Current - Slack

5:26 AM

AKDT

10 minutes ago

Next Current - Flood

6:50 AM

AKDT

S

0.7 kt

1 hour, 13 minutes from now

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Following Current - Slack

9:16 AM

AKDT

3 hours, 39 minutes from now

Today

🌊 Currents

Ebb

2:56 AM

NNW

1.1 kt

Slack

5:26 AM

Flood

6:50 AM

S

0.7 kt

Slack

9:16 AM

Ebb

1:36 PM

NNW

1.0 kt

Slack

5:18 PM

Flood

7:14 PM

S

1.3 kt

Slack

10:18 PM

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Tomorrow

🌊 Currents

Ebb

3:22 AM

NNW

1.1 kt

Slack

6:13 AM

Flood

7:40 AM

S

0.8 kt

Slack

10:10 AM

Ebb

2:27 PM

NNW

1.0 kt

Slack

6:09 PM

Flood

8:02 PM

S

1.2 kt

Slack

11:00 PM

🌤️ Marine Weather

Friday - August 28, 2026

🌊 Currents

Ebb

3:33 AM

NNW

1.1 kt

Slack

6:59 AM

Flood

8:29 AM

S

0.8 kt

Slack

11:04 AM

Ebb

3:18 PM

NNW

1.0 kt

Slack

7:00 PM

Flood

8:49 PM

S

1.2 kt

Slack

11:42 PM

🌤️ Marine Weather

Saturday - August 29, 2026

🌊 Currents

Ebb

4:06 AM

NNW

1.1 kt

Slack

7:44 AM

Flood

9:18 AM

S

0.9 kt

Slack

11:59 AM

Ebb

4:10 PM

NNW

1.0 kt

Slack

7:52 PM

Flood

9:37 PM

S

1.1 kt

🌤️ Marine Weather

Sunday - August 30, 2026

🌊 Currents

Slack

12:21 AM

Ebb

4:41 AM

NNW

1.1 kt

Slack

8:27 AM

Flood

10:07 AM

S

1.0 kt

Slack

12:53 PM

Ebb

5:01 PM

NNW

1.0 kt

Slack

8:44 PM

Flood

10:24 PM

S

1.0 kt

🌤️ Marine Weather

Monday - August 31, 2026

🌊 Currents

Slack

1:00 AM

Ebb

5:17 AM

NNW

1.2 kt

Slack

9:10 AM

Flood

10:55 AM

S

1.1 kt

Slack

1:46 PM

Ebb

5:51 PM

NNW

1.0 kt

Slack

9:36 PM

Flood

11:11 PM

S

1.0 kt

🌤️ Marine Weather

Tuesday - September 1, 2026

🌊 Currents

Slack

1:38 AM

Ebb

5:54 AM

NNW

1.2 kt

Slack

9:52 AM

Flood

11:43 AM

S

1.3 kt

Slack

2:38 PM

Ebb

6:39 PM

NNW

1.0 kt

Slack

10:27 PM

Flood

11:59 PM

S

0.9 kt

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Wed, Aug 26

1.3 kt at 7:14 PM

Typical

Fastest Ebb

Mon, Aug 31

1.2 kt at 5:17 AM

Slower than usual

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Peak Daily Currents

Fastest

Wed, Aug 26

1.3 kt max current

Slower than usual

Slowest

Sat, Aug 29

1.1 kt max current

Slower than usual