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Alcatraz Island, 0.5 mile north of

Alcatraz Island, 0.5 mile north of Currents

The current is flooding at 1.0 kt. Next slack water at 11:16 PM. Smooth water, W wind at 6 kt with gusts to 20 kt.

Last Current - Flood

8:39 PM

PDT

ENE

1.2 kt

58 minutes ago

Next Current - Slack

11:16 PM

PDT

1 hour, 38 minutes from now

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Following Current - Ebb

2:23 AM

PDT

WNW

1.8 kt

4 hours, 45 minutes from now

Today

🌊 Currents

Ebb

1:21 AM

WNW

1.7 kt

Slack

5:31 AM

Flood

8:51 AM

ENE

2.0 kt

Slack

11:30 AM

Ebb

2:03 PM

WNW

1.7 kt

Slack

5:43 PM

Flood

8:39 PM

ENE

1.2 kt

Slack

11:16 PM

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Tomorrow

🌊 Currents

Ebb

2:23 AM

WNW

1.8 kt

Slack

6:09 AM

Flood

9:27 AM

ENE

2.1 kt

Slack

12:09 PM

Ebb

2:52 PM

WNW

2.0 kt

Slack

6:43 PM

Flood

9:40 PM

ENE

1.4 kt

🌤️ Marine Weather

Friday - October 9, 2026

🌊 Currents

Slack

12:16 AM

Ebb

3:16 AM

WNW

1.7 kt

Slack

6:43 AM

Flood

9:57 AM

ENE

2.2 kt

Slack

12:45 PM

Ebb

3:35 PM

WNW

2.2 kt

Slack

7:37 PM

Flood

10:33 PM

ENE

1.4 kt

🌤️ Marine Weather

Saturday - October 10, 2026

🌊 Currents

Slack

1:16 AM

Ebb

4:02 AM

WNW

1.6 kt

Slack

7:16 AM

Flood

10:24 AM

ENE

2.1 kt

Slack

1:19 PM

Ebb

4:13 PM

WNW

2.3 kt

Slack

8:26 PM

Flood

11:28 PM

ENE

1.4 kt

🌤️ Marine Weather

Sunday - October 11, 2026

🌊 Currents

Slack

2:14 AM

Ebb

4:47 AM

WNW

1.4 kt

Slack

7:48 AM

Flood

10:53 AM

ENE

2.0 kt

Slack

1:50 PM

Ebb

4:48 PM

WNW

2.4 kt

Slack

9:09 PM

🌤️ Marine Weather

Monday - October 12, 2026

🌊 Currents

Flood

12:26 AM

ENE

1.4 kt

Slack

3:10 AM

Ebb

5:36 AM

WNW

1.2 kt

Slack

8:21 AM

Flood

11:27 AM

ENE

1.8 kt

Slack

2:18 PM

Ebb

5:21 PM

WNW

2.4 kt

Slack

9:49 PM

🌤️ Marine Weather

Tuesday - October 13, 2026

🌊 Currents

Flood

1:17 AM

ENE

1.4 kt

Slack

4:04 AM

Ebb

6:27 AM

WNW

1.1 kt

Slack

8:58 AM

Flood

12:06 PM

ENE

1.6 kt

Slack

2:46 PM

Ebb

5:54 PM

WNW

2.3 kt

Slack

10:29 PM

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Fri, Oct 9

2.2 kt at 9:57 AM

Unusually fast

Fastest Ebb

Sun, Oct 11

2.4 kt at 4:48 PM

Unusually fast

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Peak Daily Currents

Fastest

Sun, Oct 11

2.4 kt max current

Faster than usual

Slowest

Wed, Oct 7

2.0 kt max current

Typical