7-Day Tide and Current Charts and Tables

For Alcatraz Island, southwest of (depth 2 ft), San Francisco Bay, California Current

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Alcatraz Island, southwest of (depth 2 ft), San Francisco Bay, California Current

Tuesday April 21, 2026

Alcatraz Island
Click for MapFlood direction 86 true
Ebb direction 271 true

Tue -- 12:22 AM Moonset
Tue -- 02:39 AM -0.00 knots Slack
Tue -- 06:11 AM -2.50 knots Max Ebb
Tue -- 06:26 AM Sunrise
Tue -- 09:32 AM Moonrise
Tue -- 11:04 AM 0.00 knots Slack
Tue -- 02:22 PM 1.42 knots Max Flood
Tue -- 05:12 PM -0.00 knots Slack
Tue -- 07:22 PM -1.05 knots Max Ebb
Tue -- 07:51 PM Sunset
Tue -- 09:52 PM 0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION!

Sorry tide depth graphs only, please select another station.

12
am

1.7

1
am

1.4

2
am

0.6

3
am

-0.3

4
am

-1.3

5
am

-2.1

6
am

-2.5

7
am

-2.4

8
am

-1.9

9
am

-1.3

10
am

-0.7

11
am

-0.1

12
pm

0.7

1
pm

1.2

2
pm

1.4

3
pm

1.4

4
pm

0.9

5
pm

0.2

6
pm

-0.6

7
pm

-1

8
pm

-1

9
pm

-0.5

10
pm

0.1

11
pm

0.7

Wednesday April 22, 2026

Alcatraz Island
Click for MapFlood direction 86 true
Ebb direction 271 true

Wed -- 12:47 AM 1.48 knots Max Flood
Wed -- 01:23 AM Moonset
Wed -- 03:31 AM -0.00 knots Slack
Wed -- 06:24 AM Sunrise
Wed -- 07:07 AM -2.24 knots Max Ebb
Wed -- 10:42 AM Moonrise
Wed -- 12:10 PM 0.00 knots Slack
Wed -- 03:32 PM 1.40 knots Max Flood
Wed -- 06:16 PM -0.00 knots Slack
Wed -- 07:52 PM Sunset
Wed -- 08:24 PM -0.97 knots Max Ebb
Wed -- 11:05 PM 0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION!

12
am

1.3

1
am

1.5

2
am

1.1

3
am

0.4

4
am

-0.4

5
am

-1.3

6
am

-2

7
am

-2.2

8
am

-2.1

9
am

-1.7

10
am

-1.2

11
am

-0.8

12
pm

-0.1

1
pm

0.6

2
pm

1.1

3
pm

1.4

4
pm

1.4

5
pm

6
pm

0.2

7
pm

-0.5

8
pm

-0.9

9
pm

-0.9

10
pm

-0.5

11
pm

-0

Thursday April 23, 2026

Alcatraz Island
Click for MapFlood direction 86 true
Ebb direction 271 true

Thu -- 01:48 AM 1.21 knots Max Flood
Thu -- 02:12 AM Moonset
Thu -- 04:33 AM -0.00 knots Slack
Thu -- 06:23 AM Sunrise
Thu -- 08:11 AM -1.95 knots Max Ebb
Thu -- 11:54 AM Moonrise
Thu -- 01:16 PM 0.00 knots Slack
Thu -- 04:36 PM 1.46 knots Max Flood
Thu -- 07:17 PM -0.00 knots Slack
Thu -- 07:33 PM First Quarter
Thu -- 07:53 PM Sunset
Thu -- 09:32 PM -0.99 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION!

12
am

0.5

1
am

2
am

1.2

3
am

0.9

4
am

0.4

5
am

-0.3

6
am

-1.1

7
am

-1.7

8
am

-1.9

9
am

-1.8

10
am

-1.5

11
am

-1.2

12
pm

-0.8

1
pm

-0.2

2
pm

0.5

3
pm

1.1

4
pm

1.4

5
pm

1.4

6
pm

7
pm

0.2

8
pm

-0.5

9
pm

-0.9

10
pm

-1

11
pm

-0.7

Friday April 24, 2026

Alcatraz Island
Click for MapFlood direction 86 true
Ebb direction 271 true

Fri -- 12:34 AM 0.00 knots Slack
Fri -- 02:52 AM Moonset
Fri -- 02:57 AM 0.99 knots Max Flood
Fri -- 05:48 AM -0.00 knots Slack
Fri -- 06:22 AM Sunrise
Fri -- 09:28 AM -1.72 knots Max Ebb
Fri -- 01:06 PM Moonrise
Fri -- 02:13 PM 0.00 knots Slack
Fri -- 05:31 PM 1.57 knots Max Flood
Fri -- 07:54 PM Sunset
Fri -- 08:14 PM -0.00 knots Slack
Fri -- 10:46 PM -1.16 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION!

12
am

-0.3

1
am

0.2

2
am

0.8

3
am

4
am

0.8

5
am

0.4

6
am

-0.1

7
am

-0.8

8
am

-1.4

9
am

-1.7

10
am

-1.7

11
am

-1.5

12
pm

-1.3

1
pm

-0.9

2
pm

-0.2

3
pm

0.6

4
pm

1.2

5
pm

1.5

6
pm

1.5

7
pm

8
pm

0.2

9
pm

-0.6

10
pm

-1.1

11
pm

-1.2

Saturday April 25, 2026

Alcatraz Island
Click for MapFlood direction 86 true
Ebb direction 271 true

Sat -- 02:01 AM 0.00 knots Slack
Sat -- 03:23 AM Moonset
Sat -- 04:20 AM 0.90 knots Max Flood
Sat -- 06:20 AM Sunrise
Sat -- 07:13 AM -0.00 knots Slack
Sat -- 10:59 AM -1.64 knots Max Ebb
Sat -- 02:14 PM Moonrise
Sat -- 03:03 PM 0.00 knots Slack
Sat -- 06:19 PM 1.67 knots Max Flood
Sat -- 07:54 PM Sunset
Sat -- 09:03 PM -0.00 knots Slack
Sat -- 11:54 PM -1.45 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION!

12
am

-1

1
am

-0.6

2
am

-0

3
am

0.6

4
am

0.9

5
am

0.9

6
am

0.6

7
am

0.1

8
am

-0.5

9
am

-1.2

10
am

-1.5

11
am

-1.6

12
pm

-1.6

1
pm

-1.3

2
pm

-0.8

3
pm

-0

4
pm

0.8

5
pm

1.3

6
pm

1.7

7
pm

1.6

8
pm

9
pm

0.1

10
pm

-0.8

11
pm

-1.3

Sunday April 26, 2026

Alcatraz Island
Click for MapFlood direction 86 true
Ebb direction 271 true

Sun -- 03:14 AM 0.00 knots Slack
Sun -- 03:50 AM Moonset
Sun -- 05:54 AM 0.99 knots Max Flood
Sun -- 06:19 AM Sunrise
Sun -- 08:34 AM -0.00 knots Slack
Sun -- 12:11 PM -1.68 knots Max Ebb
Sun -- 03:20 PM Moonrise
Sun -- 03:46 PM 0.00 knots Slack
Sun -- 07:01 PM 1.74 knots Max Flood
Sun -- 07:55 PM Sunset
Sun -- 09:46 PM -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION!

12
am

-1.4

1
am

-1.3

2
am

-0.9

3
am

-0.2

4
am

0.5

5
am

0.9

6
am

7
am

0.8

8
am

0.4

9
am

-0.3

10
am

-1

11
am

-1.5

12
pm

-1.7

1
pm

-1.6

2
pm

-1.3

3
pm

-0.7

4
pm

0.2

5
pm

6
pm

1.5

7
pm

1.7

8
pm

1.5

9
pm

0.8

10
pm

-0.2

11
pm

-1.1

Monday April 27, 2026

Alcatraz Island
Click for MapFlood direction 86 true
Ebb direction 271 true

Mon -- 12:48 AM -1.75 knots Max Ebb
Mon -- 04:14 AM Moonset
Mon -- 04:17 AM 0.00 knots Slack
Mon -- 06:18 AM Sunrise
Mon -- 07:13 AM 1.18 knots Max Flood
Mon -- 09:47 AM -0.00 knots Slack
Mon -- 01:03 PM -1.70 knots Max Ebb
Mon -- 04:23 PM Moonrise
Mon -- 04:25 PM 0.00 knots Slack
Mon -- 07:36 PM 1.75 knots Max Flood
Mon -- 07:56 PM Sunset
Mon -- 10:23 PM -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION!

12
am

-1.6

1
am

-1.7

2
am

-1.5

3
am

-1

4
am

-0.2

5
am

0.5

6
am

7
am

1.2

8
am

1.1

9
am

0.6

10
am

-0.2

11
am

-1

12
pm

-1.5

1
pm

-1.7

2
pm

-1.6

3
pm

-1.2

4
pm

-0.4

5
pm

0.6

6
pm

1.3

7
pm

1.7

8
pm

1.7

9
pm

1.3

10
pm

0.4

11
pm

-0.6

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