United States

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California

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Alcatraz Island, southwest of

Alcatraz Island, southwest of Currents

Last Current - Slack

2:10 AM

Next Current - Flood

4:29 AM

E

0.7 kts

Following Current - Slack

7:18 AM

Today

๐ŸŒŠ Currents

Slack

2:10 AM

Flood

4:29 AM

E

0.7 kts

Slack

7:18 AM

Ebb

10:04 AM

W

1.1 kts

Slack

1:00 PM

Flood

4:05 PM

E

1.6 kts

Slack

7:04 PM

Ebb

10:24 PM

W

1.9 kts

Tomorrow

๐ŸŒŠ Currents

Slack

3:24 AM

Flood

6:13 AM

E

0.9 kts

Slack

8:48 AM

Ebb

11:14 AM

W

1.0 kts

Slack

1:53 PM

Flood

4:57 PM

E

1.6 kts

Slack

7:54 PM

Ebb

11:27 PM

W

2.1 kts

Friday - July 10, 2026

๐ŸŒŠ Currents

Slack

4:28 AM

Flood

7:32 AM

E

1.1 kts

Slack

10:07 AM

Ebb

12:20 PM

W

0.9 kts

Slack

2:50 PM

Flood

5:50 PM

E

1.7 kts

Slack

8:49 PM

Saturday - July 11, 2026

๐ŸŒŠ Currents

Ebb

12:28 AM

W

2.3 kts

Slack

5:25 AM

Flood

8:35 AM

E

1.4 kts

Slack

11:13 AM

Ebb

1:20 PM

W

1.0 kts

Slack

3:49 PM

Flood

6:45 PM

E

1.7 kts

Slack

9:46 PM

Sunday - July 12, 2026

๐ŸŒŠ Currents

Ebb

1:27 AM

W

2.4 kts

Slack

6:18 AM

Flood

9:27 AM

E

1.7 kts

Slack

12:08 PM

Ebb

2:16 PM

W

1.1 kts

Slack

4:49 PM

Flood

7:42 PM

E

1.7 kts

Slack

10:44 PM

Monday - July 13, 2026

๐ŸŒŠ Currents

Ebb

2:25 AM

W

2.5 kts

Slack

7:06 AM

Flood

10:14 AM

E

1.9 kts

Slack

12:58 PM

Ebb

3:10 PM

W

1.2 kts

Slack

5:49 PM

Flood

8:41 PM

E

1.8 kts

Slack

11:40 PM

Tuesday - July 14, 2026

๐ŸŒŠ Currents

Ebb

3:19 AM

W

2.6 kts

Slack

7:51 AM

Flood

10:58 AM

E

2.0 kts

Slack

1:44 PM

Ebb

4:02 PM

W

1.4 kts

Slack

6:49 PM

Flood

9:37 PM

E

1.8 kts

7-Day Insights

Current Extremes

Fastest Flood

Tue, Jul 14

2.0 kts at 10:58 AM

Unusually fast

Fastest Ebb

Tue, Jul 14

2.6 kts at 3:19 AM

Unusually fast

Peak Daily Currents

Fastest

Tue, Jul 14

2.6 kts max current

Unusually fast

Slowest

Fri, Jul 10

1.7 kts max current

Slower than usual