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Alcatraz Island, southwest of

Alcatraz Island, southwest of Currents

The current is ebbing at 0.9 kt. Peaking at 1.5 kt at 1:17 AM. Slight seas, WSW wind at 6 kt with gusts to 29 kt.

Last Current - Slack

7:58 PM

PDT

2 hours, 10 minutes ago

Next Current - Ebb

1:17 AM

PDT

1.5 kt

3 hours, 8 minutes from now

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Following Current - Slack

4:58 AM

PDT

6 hours, 49 minutes from now

Today

🌊 Currents

Slack

4:11 AM

Flood

7:15 AM

1.2 kt

Slack

9:53 AM

Ebb

12:08 PM

0.8 kt

Slack

2:41 PM

Flood

4:57 PM

0.9 kt

Slack

7:58 PM

🌤️ Marine Weather

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Tomorrow

🌊 Currents

Ebb

1:17 AM

1.5 kt

Slack

4:58 AM

Flood

8:03 AM

1.3 kt

Slack

10:40 AM

Ebb

12:59 PM

0.9 kt

Slack

3:38 PM

Flood

5:54 PM

1.0 kt

Slack

9:02 PM

🌤️ Marine Weather

Monday - August 24, 2026

🌊 Currents

Ebb

1:38 AM

1.6 kt

Slack

5:36 AM

Flood

8:45 AM

1.4 kt

Slack

11:19 AM

Ebb

1:43 PM

1.1 kt

Slack

4:29 PM

Flood

6:49 PM

1.1 kt

Slack

9:59 PM

🌤️ Marine Weather

Tuesday - August 25, 2026

🌊 Currents

Ebb

1:59 AM

1.7 kt

Slack

6:08 AM

Flood

9:19 AM

1.4 kt

Slack

11:53 AM

Ebb

2:22 PM

1.2 kt

Slack

5:16 PM

Flood

7:42 PM

1.2 kt

Slack

10:48 PM

🌤️ Marine Weather

Wednesday - August 26, 2026

🌊 Currents

Ebb

2:28 AM

1.9 kt

Slack

6:37 AM

Flood

9:44 AM

1.5 kt

Slack

12:23 PM

Ebb

2:58 PM

1.4 kt

Slack

6:01 PM

Flood

8:33 PM

1.4 kt

Slack

11:33 PM

🌤️ Marine Weather

Thursday - August 27, 2026

🌊 Currents

Ebb

3:01 AM

2.0 kt

Slack

7:03 AM

Flood

9:59 AM

1.6 kt

Slack

12:51 PM

Ebb

3:32 PM

1.5 kt

Slack

6:44 PM

Flood

9:20 PM

1.5 kt

🌤️ Marine Weather

Friday - August 28, 2026

🌊 Currents

Slack

12:16 AM

Ebb

3:37 AM

2.1 kt

Slack

7:30 AM

Flood

10:14 AM

1.7 kt

Slack

1:17 PM

Ebb

4:04 PM

1.7 kt

Slack

7:27 PM

Flood

10:05 PM

1.6 kt

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Fri, Aug 28

1.7 kt at 10:14 AM

Faster than usual

Fastest Ebb

Fri, Aug 28

2.1 kt at 3:37 AM

Faster than usual

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Peak Daily Currents

Fastest

Fri, Aug 28

2.1 kt max current

Typical

Slowest

Sat, Aug 22

1.2 kt max current

Slower than usual