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Alcatraz Island, south of

Alcatraz Island, south of Currents

The current is ebbing at 0.4 kt. Peaking at 1.3 kt at 12:46 AM. WSW wind at 6 kt with gusts to 29 kt. Waves on the open water nearby are about 1.7'. It could be calmer here.

Last Current - Slack

9:31 PM

PDT

38 minutes ago

Next Current - Ebb

12:46 AM

PDT

WNW

1.3 kt

2 hours, 36 minutes from now

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Following Current - Slack

5:22 AM

PDT

7 hours, 12 minutes from now

Today

🌊 Currents

Slack

4:29 AM

Flood

7:26 AM

1.0 kt

Slack

11:07 AM

Ebb

12:48 PM

WNW

0.8 kt

Slack

3:09 PM

Flood

6:24 PM

0.7 kt

Slack

9:31 PM

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Tomorrow

🌊 Currents

Ebb

12:46 AM

WNW

1.3 kt

Slack

5:22 AM

Flood

8:13 AM

1.1 kt

Slack

11:49 AM

Ebb

1:37 PM

WNW

1.0 kt

Slack

4:17 PM

Flood

7:23 PM

0.8 kt

Slack

10:29 PM

🌤️ Marine Weather

Monday - August 24, 2026

🌊 Currents

Ebb

1:40 AM

WNW

1.4 kt

Slack

6:07 AM

Flood

8:53 AM

1.2 kt

Slack

12:25 PM

Ebb

2:20 PM

WNW

1.1 kt

Slack

5:12 PM

Flood

8:13 PM

0.9 kt

Slack

11:19 PM

🌤️ Marine Weather

Tuesday - August 25, 2026

🌊 Currents

Ebb

2:26 AM

WNW

1.7 kt

Slack

6:47 AM

Flood

9:28 AM

1.3 kt

Slack

12:57 PM

Ebb

3:02 PM

WNW

1.3 kt

Slack

5:57 PM

Flood

8:59 PM

1.0 kt

🌤️ Marine Weather

Wednesday - August 26, 2026

🌊 Currents

Slack

12:02 AM

Ebb

3:10 AM

WNW

1.9 kt

Slack

7:20 AM

Flood

10:01 AM

1.4 kt

Slack

1:27 PM

Ebb

3:43 PM

WNW

1.4 kt

Slack

6:39 PM

Flood

9:43 PM

1.2 kt

🌤️ Marine Weather

Thursday - August 27, 2026

🌊 Currents

Slack

12:43 AM

Ebb

3:53 AM

WNW

2.1 kt

Slack

7:50 AM

Flood

10:33 AM

1.5 kt

Slack

1:54 PM

Ebb

4:22 PM

WNW

1.7 kt

Slack

7:21 PM

Flood

10:26 PM

1.3 kt

🌤️ Marine Weather

Friday - August 28, 2026

🌊 Currents

Slack

1:23 AM

Ebb

4:34 AM

WNW

2.3 kt

Slack

8:16 AM

Flood

11:06 AM

1.6 kt

Slack

2:21 PM

Ebb

4:58 PM

WNW

2.0 kt

Slack

8:04 PM

Flood

11:08 PM

1.4 kt

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Fri, Aug 28

1.6 kt at 11:06 AM

Faster than usual

Fastest Ebb

Fri, Aug 28

2.3 kt at 4:34 AM

Typical

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Peak Daily Currents

Fastest

Fri, Aug 28

2.3 kt max current

Typical

Slowest

Sat, Aug 22

1.0 kt max current

Slower than usual