7-Day Tide and Current Charts and Tables

For Alcatraz Island, 0.2 mi west of, San Francisco Bay, California Current

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Alcatraz Island, 0.2 mi west of, San Francisco Bay, California Current

Tuesday August 18, 2026

Alcatraz Island
Click for MapFlood direction 70 true
Ebb direction 266 true

Tue -- 12:22 AM 0.00 knots Slack
Tue -- 02:58 AM 1.84 knots Max Flood
Tue -- 06:27 AM Sunrise
Tue -- 06:37 AM -0.00 knots Slack
Tue -- 09:08 AM -1.24 knots Max Ebb
Tue -- 11:23 AM 0.00 knots Slack
Tue -- 12:56 PM Moonrise
Tue -- 02:48 PM 2.18 knots Max Flood
Tue -- 06:08 PM -0.00 knots Slack
Tue -- 07:58 PM Sunset
Tue -- 09:09 PM -1.94 knots Max Ebb
Tue -- 10:56 PM Moonset
Tide / Current data from XTide NOT FOR NAVIGATION!

Sorry tide depth graphs only, please select another station.

12
am

-0.3

1
am

0.5

2
am

1.5

3
am

1.8

4
am

1.6

5
am

1.1

6
am

0.4

7
am

-0.3

8
am

-1

9
am

-1.2

10
am

-1

11
am

-0.3

12
pm

0.4

1
pm

1.2

2
pm

1.9

3
pm

2.2

4
pm

1.8

5
pm

6
pm

0.1

7
pm

-1

8
pm

-1.7

9
pm

-1.9

10
pm

-1.8

11
pm

-1.4

Wednesday August 19, 2026

Alcatraz Island
Click for MapFlood direction 70 true
Ebb direction 266 true

Wed -- 01:23 AM 0.00 knots Slack
Wed -- 04:01 AM 1.63 knots Max Flood
Wed -- 06:28 AM Sunrise
Wed -- 07:58 AM -0.00 knots Slack
Wed -- 10:06 AM -0.88 knots Max Ebb
Wed -- 11:59 AM 0.00 knots Slack
Wed -- 01:59 PM Moonrise
Wed -- 03:34 PM 1.80 knots Max Flood
Wed -- 06:51 PM -0.00 knots Slack
Wed -- 07:46 PM First Quarter
Wed -- 07:57 PM Sunset
Wed -- 09:54 PM -1.68 knots Max Ebb
Wed -- 11:31 PM Moonset
Tide / Current data from XTide NOT FOR NAVIGATION!

12
am

-0.9

1
am

-0.3

2
am

0.5

3
am

1.3

4
am

1.6

5
am

1.5

6
am

7
am

0.5

8
am

-0

9
am

-0.6

10
am

-0.9

11
am

-0.7

12
pm

1
pm

0.5

2
pm

1.1

3
pm

1.7

4
pm

1.8

5
pm

1.3

6
pm

0.6

7
pm

-0.2

8
pm

-1.1

9
pm

-1.6

10
pm

-1.7

11
pm

-1.5

Thursday August 20, 2026

Alcatraz Island
Click for MapFlood direction 70 true
Ebb direction 266 true

Thu -- 02:27 AM 0.00 knots Slack
Thu -- 05:10 AM 1.52 knots Max Flood
Thu -- 06:29 AM Sunrise
Thu -- 09:22 AM -0.00 knots Slack
Thu -- 11:07 AM -0.66 knots Max Ebb
Thu -- 12:48 PM 0.00 knots Slack
Thu -- 03:00 PM Moonrise
Thu -- 04:26 PM 1.45 knots Max Flood
Thu -- 07:42 PM -0.00 knots Slack
Thu -- 07:55 PM Sunset
Thu -- 10:47 PM -1.42 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION!

12
am

-1.1

1
am

-0.7

2
am

-0.3

3
am

0.4

4
am

1.2

5
am

1.5

6
am

1.4

7
am

1.1

8
am

0.7

9
am

0.2

10
am

-0.4

11
am

-0.7

12
pm

-0.5

1
pm

0.1

2
pm

0.5

3
pm

4
pm

1.4

5
pm

1.4

6
pm

7
pm

0.4

8
pm

-0.3

9
pm

-1

10
pm

-1.3

11
pm

-1.4

Friday August 21, 2026

Alcatraz Island
Click for MapFlood direction 70 true
Ebb direction 266 true

Fri -- 12:12 AM Moonset
Fri -- 03:30 AM 0.00 knots Slack
Fri -- 06:26 AM 1.54 knots Max Flood
Fri -- 06:30 AM Sunrise
Fri -- 10:31 AM -0.00 knots Slack
Fri -- 12:09 PM -0.62 knots Max Ebb
Fri -- 01:54 PM 0.00 knots Slack
Fri -- 03:57 PM Moonrise
Fri -- 05:24 PM 1.21 knots Max Flood
Fri -- 07:54 PM Sunset
Fri -- 08:43 PM -0.00 knots Slack
Fri -- 11:55 PM -1.24 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION!

12
am

-1.3

1
am

-1

2
am

-0.7

3
am

-0.4

4
am

0.4

5
am

1.1

6
am

1.5

7
am

1.5

8
am

1.2

9
am

0.8

10
am

0.2

11
am

-0.3

12
pm

-0.6

1
pm

-0.4

2
pm

3
pm

0.4

4
pm

0.8

5
pm

1.2

6
pm

1.1

7
pm

0.8

8
pm

0.4

9
pm

-0.2

10
pm

-0.8

11
pm

-1.2

Saturday August 22, 2026

Alcatraz Island
Click for MapFlood direction 70 true
Ebb direction 266 true

Sat -- 12:59 AM Moonset
Sat -- 04:29 AM 0.00 knots Slack
Sat -- 06:31 AM Sunrise
Sat -- 07:28 AM 1.66 knots Max Flood
Sat -- 11:24 AM -0.00 knots Slack
Sat -- 01:06 PM -0.73 knots Max Ebb
Sat -- 03:09 PM 0.00 knots Slack
Sat -- 04:48 PM Moonrise
Sat -- 06:27 PM 1.15 knots Max Flood
Sat -- 07:53 PM Sunset
Sat -- 09:47 PM -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION!

12
am

-1.2

1
am

-1.1

2
am

-0.9

3
am

-0.7

4
am

-0.4

5
am

0.4

6
am

1.2

7
am

1.6

8
am

1.6

9
am

1.3

10
am

0.8

11
am

0.2

12
pm

-0.4

1
pm

-0.7

2
pm

-0.5

3
pm

-0.1

4
pm

0.3

5
pm

0.7

6
pm

1.1

7
pm

1.1

8
pm

0.8

9
pm

0.4

10
pm

-0.2

11
pm

-0.8

Sunday August 23, 2026

Alcatraz Island
Click for MapFlood direction 70 true
Ebb direction 266 true

Sun -- 01:04 AM -1.22 knots Max Ebb
Sun -- 01:53 AM Moonset
Sun -- 05:21 AM 0.00 knots Slack
Sun -- 06:32 AM Sunrise
Sun -- 08:16 AM 1.79 knots Max Flood
Sun -- 12:06 PM -0.00 knots Slack
Sun -- 01:54 PM -0.89 knots Max Ebb
Sun -- 04:17 PM 0.00 knots Slack
Sun -- 05:33 PM Moonrise
Sun -- 07:26 PM 1.24 knots Max Flood
Sun -- 07:51 PM Sunset
Sun -- 10:46 PM -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION!

12
am

-1.1

1
am

-1.2

2
am

-1.1

3
am

-0.9

4
am

-0.7

5
am

-0.3

6
am

0.5

7
am

1.4

8
am

1.8

9
am

1.7

10
am

1.3

11
am

0.7

12
pm

0.1

1
pm

-0.6

2
pm

-0.9

3
pm

-0.6

4
pm

-0.1

5
pm

0.2

6
pm

0.7

7
pm

1.2

8
pm

1.2

9
pm

0.9

10
pm

0.4

11
pm

-0.2

Monday August 24, 2026

Alcatraz Island
Click for MapFlood direction 70 true
Ebb direction 266 true

Mon -- 01:58 AM -1.33 knots Max Ebb
Mon -- 02:52 AM Moonset
Mon -- 06:07 AM 0.00 knots Slack
Mon -- 06:33 AM Sunrise
Mon -- 08:55 AM 1.91 knots Max Flood
Mon -- 12:42 PM -0.00 knots Slack
Mon -- 02:38 PM -1.04 knots Max Ebb
Mon -- 05:12 PM 0.00 knots Slack
Mon -- 06:11 PM Moonrise
Mon -- 07:50 PM Sunset
Mon -- 08:16 PM 1.42 knots Max Flood
Mon -- 11:36 PM -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION!

12
am

-0.8

1
am

-1.2

2
am

-1.3

3
am

-1.2

4
am

-0.9

5
am

-0.7

6
am

-0.1

7
am

0.8

8
am

1.6

9
am

1.9

10
am

1.7

11
am

1.2

12
pm

0.5

1
pm

-0.3

2
pm

-0.9

3
pm

-1

4
pm

-0.6

5
pm

-0.1

6
pm

0.3

7
pm

0.9

8
pm

1.4

9
pm

1.3

10
pm

0.9

11
pm

0.4

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