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Alcatraz Island, 0.5 mile north of

Alcatraz Island, 0.5 mile north of Currents

The current is ebbing at 0.8 kt. Peaking at 1.4 kt at 12:11 AM. Slight seas, WSW wind at 6 kt with gusts to 29 kt.

Last Current - Slack

8:42 PM

PDT

1 hour, 24 minutes ago

Next Current - Ebb

12:11 AM

PDT

WNW

1.4 kt

2 hours, 4 minutes from now

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Following Current - Slack

5:35 AM

PDT

7 hours, 28 minutes from now

Today

🌊 Currents

Slack

4:47 AM

Flood

8:17 AM

ENE

1.1 kt

Slack

10:57 AM

Ebb

12:54 PM

WNW

0.7 kt

Slack

3:26 PM

Flood

6:01 PM

ENE

1.0 kt

Slack

8:42 PM

🌤️ Marine Weather

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Tomorrow

🌊 Currents

Ebb

12:11 AM

WNW

1.4 kt

Slack

5:35 AM

Flood

9:02 AM

ENE

1.3 kt

Slack

11:40 AM

Ebb

1:45 PM

WNW

0.8 kt

Slack

4:26 PM

Flood

6:55 PM

ENE

1.0 kt

Slack

9:43 PM

🌤️ Marine Weather

Monday - August 24, 2026

🌊 Currents

Ebb

1:05 AM

WNW

1.5 kt

Slack

6:18 AM

Flood

9:38 AM

ENE

1.4 kt

Slack

12:20 PM

Ebb

2:34 PM

WNW

0.9 kt

Slack

5:16 PM

Flood

7:52 PM

ENE

1.1 kt

Slack

10:35 PM

🌤️ Marine Weather

Tuesday - August 25, 2026

🌊 Currents

Ebb

2:03 AM

WNW

1.6 kt

Slack

6:55 AM

Flood

10:08 AM

ENE

1.5 kt

Slack

12:57 PM

Ebb

3:16 PM

WNW

1.0 kt

Slack

6:02 PM

Flood

8:45 PM

ENE

1.2 kt

Slack

11:22 PM

🌤️ Marine Weather

Wednesday - August 26, 2026

🌊 Currents

Ebb

2:52 AM

WNW

1.7 kt

Slack

7:26 AM

Flood

10:32 AM

ENE

1.6 kt

Slack

1:30 PM

Ebb

3:52 PM

WNW

1.1 kt

Slack

6:49 PM

Flood

9:32 PM

ENE

1.2 kt

🌤️ Marine Weather

Thursday - August 27, 2026

🌊 Currents

Slack

12:06 AM

Ebb

3:30 AM

WNW

1.9 kt

Slack

7:51 AM

Flood

10:53 AM

ENE

1.8 kt

Slack

1:59 PM

Ebb

4:24 PM

WNW

1.3 kt

Slack

7:36 PM

Flood

10:17 PM

ENE

1.2 kt

🌤️ Marine Weather

Friday - August 28, 2026

🌊 Currents

Slack

12:51 AM

Ebb

4:06 AM

WNW

1.9 kt

Slack

8:10 AM

Flood

11:19 AM

ENE

1.9 kt

Slack

2:27 PM

Ebb

4:55 PM

WNW

1.4 kt

Slack

8:20 PM

Flood

11:04 PM

ENE

1.2 kt

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Fri, Aug 28

1.9 kt at 11:19 AM

Faster than usual

Fastest Ebb

Thu, Aug 27

1.9 kt at 3:30 AM

Faster than usual

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Peak Daily Currents

Fastest

Thu, Aug 27

1.9 kt max current

Typical

Slowest

Sat, Aug 22

1.1 kt max current

Slower than usual