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Alcatraz Island, 0.2 mile west of

Alcatraz Island, 0.2 mile west of Currents

The current is ebbing at 0.2 kt. Peaking at 1.2 kt at 1:04 AM. Slight seas, WSW wind at 6 kt with gusts to 29 kt.

Last Current - Slack

9:48 PM

PDT

20 minutes ago

Next Current - Ebb

1:04 AM

PDT

W

1.2 kt

2 hours, 55 minutes from now

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Following Current - Slack

5:22 AM

PDT

7 hours, 13 minutes from now

Today

🌊 Currents

Slack

4:29 AM

Flood

7:29 AM

ENE

1.7 kt

Slack

11:24 AM

Ebb

1:06 PM

W

0.7 kt

Slack

3:09 PM

Flood

6:27 PM

ENE

1.1 kt

Slack

9:48 PM

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Tomorrow

🌊 Currents

Ebb

1:04 AM

W

1.2 kt

Slack

5:22 AM

Flood

8:16 AM

ENE

1.8 kt

Slack

12:06 PM

Ebb

1:55 PM

W

0.9 kt

Slack

4:17 PM

Flood

7:26 PM

ENE

1.2 kt

Slack

10:46 PM

🌤️ Marine Weather

Monday - August 24, 2026

🌊 Currents

Ebb

1:58 AM

W

1.3 kt

Slack

6:07 AM

Flood

8:56 AM

ENE

1.9 kt

Slack

12:42 PM

Ebb

2:38 PM

W

1.0 kt

Slack

5:12 PM

Flood

8:16 PM

ENE

1.4 kt

Slack

11:36 PM

🌤️ Marine Weather

Tuesday - August 25, 2026

🌊 Currents

Ebb

2:44 AM

W

1.5 kt

Slack

6:47 AM

Flood

9:31 AM

ENE

2.0 kt

Slack

1:14 PM

Ebb

3:20 PM

W

1.2 kt

Slack

5:57 PM

Flood

9:02 PM

ENE

1.6 kt

🌤️ Marine Weather

Wednesday - August 26, 2026

🌊 Currents

Slack

12:19 AM

Ebb

3:28 AM

W

1.8 kt

Slack

7:20 AM

Flood

10:04 AM

ENE

2.2 kt

Slack

1:44 PM

Ebb

4:01 PM

W

1.3 kt

Slack

6:39 PM

Flood

9:46 PM

ENE

1.9 kt

🌤️ Marine Weather

Thursday - August 27, 2026

🌊 Currents

Slack

1:00 AM

Ebb

4:11 AM

W

2.0 kt

Slack

7:50 AM

Flood

10:36 AM

ENE

2.3 kt

Slack

2:11 PM

Ebb

4:40 PM

W

1.5 kt

Slack

7:21 PM

Flood

10:29 PM

ENE

2.0 kt

🌤️ Marine Weather

Friday - August 28, 2026

🌊 Currents

Slack

1:40 AM

Ebb

4:52 AM

W

2.1 kt

Slack

8:16 AM

Flood

11:09 AM

ENE

2.5 kt

Slack

2:38 PM

Ebb

5:16 PM

W

1.8 kt

Slack

8:04 PM

Flood

11:11 PM

ENE

2.2 kt

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Fri, Aug 28

2.5 kt at 11:09 AM

Faster than usual

Fastest Ebb

Fri, Aug 28

2.1 kt at 4:52 AM

Typical

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Peak Daily Currents

Fastest

Fri, Aug 28

2.5 kt max current

Typical

Slowest

Sat, Aug 22

1.7 kt max current

Slower than usual