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Alcatraz Island, 0.2 mile west of

Alcatraz Island, 0.2 mile west of Currents

The current is flooding at 1.8 kt. Next slack water at 11:55 PM. Smooth water, W wind at 6 kt with gusts to 20 kt.

Last Current - Flood

8:29 PM

PDT

ENE

2.1 kt

1 hour, 9 minutes ago

Next Current - Slack

11:55 PM

PDT

2 hours, 16 minutes from now

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Following Current - Ebb

2:46 AM

PDT

W

1.9 kt

5 hours, 7 minutes from now

Today

🌊 Currents

Ebb

1:53 AM

W

1.8 kt

Slack

5:11 AM

Flood

8:04 AM

ENE

2.6 kt

Slack

11:44 AM

Ebb

2:36 PM

W

2.1 kt

Slack

6:02 PM

Flood

8:29 PM

ENE

2.1 kt

Slack

11:55 PM

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Tomorrow

🌊 Currents

Ebb

2:46 AM

W

1.9 kt

Slack

5:59 AM

Flood

8:50 AM

ENE

2.8 kt

Slack

12:22 PM

Ebb

3:22 PM

W

2.5 kt

Slack

6:59 PM

Flood

9:25 PM

ENE

2.4 kt

🌤️ Marine Weather

Friday - October 9, 2026

🌊 Currents

Slack

12:54 AM

Ebb

3:35 AM

W

1.8 kt

Slack

6:40 AM

Flood

9:33 AM

ENE

3.0 kt

Slack

12:58 PM

Ebb

4:06 PM

W

2.8 kt

Slack

7:51 PM

Flood

10:17 PM

ENE

2.6 kt

🌤️ Marine Weather

Saturday - October 10, 2026

🌊 Currents

Slack

1:50 AM

Ebb

4:25 AM

W

1.7 kt

Slack

7:16 AM

Flood

10:14 AM

ENE

3.0 kt

Slack

1:33 PM

Ebb

4:47 PM

W

3.0 kt

Slack

8:39 PM

Flood

11:07 PM

ENE

2.7 kt

🌤️ Marine Weather

Sunday - October 11, 2026

🌊 Currents

Slack

2:46 AM

Ebb

5:15 AM

W

1.5 kt

Slack

7:50 AM

Flood

10:54 AM

ENE

2.9 kt

Slack

2:07 PM

Ebb

5:22 PM

W

3.1 kt

Slack

9:24 PM

Flood

11:54 PM

ENE

2.7 kt

🌤️ Marine Weather

Monday - October 12, 2026

🌊 Currents

Slack

3:43 AM

Ebb

6:03 AM

W

1.3 kt

Slack

8:23 AM

Flood

11:33 AM

ENE

2.6 kt

Slack

2:40 PM

Ebb

5:50 PM

W

3.0 kt

Slack

10:04 PM

🌤️ Marine Weather

Tuesday - October 13, 2026

🌊 Currents

Flood

12:39 AM

ENE

2.6 kt

Slack

4:40 AM

Ebb

6:49 AM

W

1.1 kt

Slack

8:58 AM

Flood

12:12 PM

ENE

2.3 kt

Slack

3:12 PM

Ebb

6:12 PM

W

2.8 kt

Slack

10:39 PM

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Fri, Oct 9

3.0 kt at 9:33 AM

Unusually fast

Fastest Ebb

Sun, Oct 11

3.1 kt at 5:22 PM

Unusually fast

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Peak Daily Currents

Fastest

Sun, Oct 11

3.1 kt max current

Faster than usual

Slowest

Wed, Oct 7

2.6 kt max current

Typical