United States

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California

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Alcatraz Island, south of

Alcatraz Island, south of Currents

Last Current - Slack

2:19 AM

Next Current - Flood

5:06 AM

E

0.8 kts

Following Current - Slack

8:17 AM

Today

๐ŸŒŠ Currents

Slack

2:19 AM

Flood

5:06 AM

E

0.8 kts

Slack

8:17 AM

Ebb

10:54 AM

WNW

1.1 kts

Slack

1:26 PM

Flood

5:12 PM

E

1.5 kts

Slack

8:23 PM

Ebb

11:24 PM

WNW

2.5 kts

Tomorrow

๐ŸŒŠ Currents

Slack

3:34 AM

Flood

6:18 AM

E

0.9 kts

Slack

9:49 AM

Ebb

12:04 PM

WNW

0.9 kts

Slack

2:15 PM

Flood

6:07 PM

E

1.4 kts

Slack

9:08 PM

Friday - July 10, 2026

๐ŸŒŠ Currents

Ebb

12:12 AM

WNW

2.9 kts

Slack

4:40 AM

Flood

7:23 AM

E

1.1 kts

Slack

11:03 AM

Ebb

1:04 PM

WNW

0.9 kts

Slack

3:10 PM

Flood

7:03 PM

E

1.4 kts

Slack

9:56 PM

Saturday - July 11, 2026

๐ŸŒŠ Currents

Ebb

12:58 AM

WNW

3.2 kts

Slack

5:39 AM

Flood

8:21 AM

E

1.3 kts

Slack

12:01 PM

Ebb

1:58 PM

WNW

1.0 kts

Slack

4:10 PM

Flood

7:58 PM

E

1.5 kts

Slack

10:47 PM

Sunday - July 12, 2026

๐ŸŒŠ Currents

Ebb

1:45 AM

WNW

3.3 kts

Slack

6:34 AM

Flood

9:13 AM

E

1.5 kts

Slack

12:51 PM

Ebb

2:51 PM

WNW

1.1 kts

Slack

5:18 PM

Flood

8:53 PM

E

1.5 kts

Slack

11:40 PM

Monday - July 13, 2026

๐ŸŒŠ Currents

Ebb

2:34 AM

WNW

3.3 kts

Slack

7:27 AM

Flood

10:03 AM

E

1.6 kts

Slack

1:37 PM

Ebb

3:47 PM

WNW

1.2 kts

Slack

6:27 PM

Flood

9:48 PM

E

1.6 kts

Tuesday - July 14, 2026

๐ŸŒŠ Currents

Slack

12:35 AM

Ebb

3:30 AM

WNW

3.3 kts

Slack

8:17 AM

Flood

10:51 AM

E

1.7 kts

Slack

2:22 PM

Ebb

4:46 PM

WNW

1.4 kts

Slack

7:33 PM

Flood

10:41 PM

E

1.6 kts

7-Day Insights

Current Extremes

Fastest Flood

Tue, Jul 14

1.7 kts at 10:51 AM

Unusually fast

Fastest Ebb

Sun, Jul 12

3.3 kts at 1:45 AM

Unusually fast

Peak Daily Currents

Fastest

Sun, Jul 12

3.3 kts max current

Faster than usual

Slowest

Thu, Jul 9

1.4 kts max current

Slower than usual