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Alcatraz Island, south of

Alcatraz Island, south of Currents

The current is flooding at 1.2 kt. Next slack water at 11:38 PM. W wind at 6 kt with gusts to 20 kt. Waves on the open water nearby are about 1.4'. It could be calmer here.

Last Current - Flood

8:26 PM

PDT

E

1.4 kt

1 hour, 14 minutes ago

Next Current - Slack

11:38 PM

PDT

1 hour, 57 minutes from now

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Following Current - Ebb

2:28 AM

PDT

WNW

2.1 kt

4 hours, 47 minutes from now

Today

🌊 Currents

Ebb

1:35 AM

WNW

2.0 kt

Slack

5:11 AM

Flood

8:01 AM

E

1.6 kt

Slack

11:27 AM

Ebb

2:18 PM

WNW

2.3 kt

Slack

6:02 PM

Flood

8:26 PM

E

1.4 kt

Slack

11:38 PM

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Tomorrow

🌊 Currents

Ebb

2:28 AM

WNW

2.1 kt

Slack

5:59 AM

Flood

8:47 AM

E

1.8 kt

Slack

12:05 PM

Ebb

3:04 PM

WNW

2.7 kt

Slack

6:59 PM

Flood

9:22 PM

E

1.5 kt

🌤️ Marine Weather

Friday - October 9, 2026

🌊 Currents

Slack

12:37 AM

Ebb

3:17 AM

WNW

2.0 kt

Slack

6:40 AM

Flood

9:30 AM

E

1.9 kt

Slack

12:41 PM

Ebb

3:48 PM

WNW

3.0 kt

Slack

7:51 PM

Flood

10:14 PM

E

1.6 kt

🌤️ Marine Weather

Saturday - October 10, 2026

🌊 Currents

Slack

1:33 AM

Ebb

4:07 AM

WNW

1.9 kt

Slack

7:16 AM

Flood

10:11 AM

E

1.9 kt

Slack

1:16 PM

Ebb

4:29 PM

WNW

3.3 kt

Slack

8:39 PM

Flood

11:04 PM

E

1.7 kt

🌤️ Marine Weather

Sunday - October 11, 2026

🌊 Currents

Slack

2:29 AM

Ebb

4:57 AM

WNW

1.7 kt

Slack

7:50 AM

Flood

10:51 AM

E

1.8 kt

Slack

1:50 PM

Ebb

5:04 PM

WNW

3.3 kt

Slack

9:24 PM

Flood

11:51 PM

E

1.7 kt

🌤️ Marine Weather

Monday - October 12, 2026

🌊 Currents

Slack

3:26 AM

Ebb

5:45 AM

WNW

1.4 kt

Slack

8:23 AM

Flood

11:30 AM

E

1.6 kt

Slack

2:23 PM

Ebb

5:32 PM

WNW

3.3 kt

Slack

10:04 PM

🌤️ Marine Weather

Tuesday - October 13, 2026

🌊 Currents

Flood

12:36 AM

E

1.6 kt

Slack

4:23 AM

Ebb

6:31 AM

WNW

1.2 kt

Slack

8:58 AM

Flood

12:09 PM

E

1.4 kt

Slack

2:55 PM

Ebb

5:54 PM

WNW

3.1 kt

Slack

10:39 PM

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Fri, Oct 9

1.9 kt at 9:30 AM

Unusually fast

Fastest Ebb

Sat, Oct 10

3.3 kt at 4:29 PM

Unusually fast

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Peak Daily Currents

Fastest

Sat, Oct 10

3.3 kt max current

Faster than usual

Slowest

Wed, Oct 7

2.3 kt max current

Typical