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Alcatraz Island

Alcatraz Island Tides

The tide is 4.3' and falling: next low 3.2' at 7:50 AM. Smooth water, ENE wind at 1 kt with gusts to 3 kt.

Last Tide - High

4.8'

3:35 AM

PDT

1 hour, 31 minutes ago

Next Tide - Low

3.2'

7:50 AM

PDT

2 hours, 43 minutes from now

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☀️

Sunrise

7:32 AM

PDT

2 hours, 25 minutes from now

🌖

Moonset

11:53 AM

PDT

Waning Gibbous · 83%

6 hours, 46 minutes from now

Today

🌊 Tides

High

3:35 AM

4.8'

Low

7:50 AM

3.2'

High

1:57 PM

6.5'

Low

9:05 PM

-1.0'

☀️ 7:32 AM ↑☀️ 6:14 PM ↓6.5'2.8'-1.0'1236912369123:357:501:579:05

🌤️ Marine Weather

☀️ Sun

Rise

7:32 AM

Set

6:14 PM

🌖 Moon

Set

11:53 AM

83%

Rise

9:06 PM

79%

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Download on the App StoreGet it on Google Play

Tomorrow

🌊 Tides

High

4:41 AM

4.7'

Low

8:50 AM

3.4'

High

2:53 PM

6.2'

Low

10:07 PM

-0.7'

☀️ 7:33 AM ↑☀️ 6:12 PM ↓6.2'2.8'-0.7'1236912369124:418:502:5310:07

🌤️ Marine Weather

☀️ Sun

Rise

7:33 AM

Set

6:12 PM

🌖 Moon

Set

12:51 PM

73%

Rise

10:17 PM

68%

Saturday - October 31, 2026

🌊 Tides

High

5:49 AM

4.7'

Low

10:08 AM

3.4'

High

3:58 PM

5.8'

Low

11:14 PM

-0.4'

☀️ 7:34 AM ↑☀️ 6:11 PM ↓5.8'2.7'-0.4'1236912369125:4910:083:5811:14

🌤️ Marine Weather

☀️ Sun

Rise

7:34 AM

Set

6:11 PM

🌖 Moon

Set

1:39 PM

61%

Rise

11:31 PM

57%

Sunday - November 1, 2026

🌊 Tides

High

5:54 AM

4.8'

Low

10:42 AM

3.2'

High

4:13 PM

5.4'

Low

11:22 PM

-0.1'

☀️ 6:35 AM ↑☀️ 5:10 PM ↓5.4'2.6'-0.2'1236912369125:5410:424:1311:22

🌤️ Marine Weather

☀️ Sun

Rise

6:35 AM

Set

5:10 PM

🌗 Moon

Set

1:17 PM

50%

Rise

11:43 PM

45%

Monday - November 2, 2026

🌊 Tides

High

6:49 AM

5.0'

Low

12:09 PM

2.8'

High

5:35 PM

5.1'

☀️ 6:36 AM ↑☀️ 5:09 PM ↓5.1'2.6'0.1'1236912369126:4912:095:35

🌤️ Marine Weather

☀️ Sun

Rise

6:36 AM

Set

5:09 PM

🌗 Moon

Set

1:49 PM

38%

Tuesday - November 3, 2026

🌊 Tides

Low

12:24 AM

0.1'

High

7:35 AM

5.3'

Low

1:19 PM

2.1'

High

6:57 PM

4.8'

☀️ 6:37 AM ↑☀️ 5:08 PM ↓5.4'2.7'0.1'12369123691212:247:351:196:57

🌤️ Marine Weather

☀️ Sun

Rise

6:37 AM

Set

5:08 PM

🌗 Moon

Rise

12:53 AM

34%

Set

2:16 PM

28%

Wednesday - November 4, 2026

🌊 Tides

Low

1:18 AM

0.5'

High

8:14 AM

5.6'

Low

2:17 PM

1.3'

High

8:11 PM

4.7'

☀️ 6:38 AM ↑☀️ 5:07 PM ↓5.6'3.1'0.5'1236912369121:188:142:178:11

🌤️ Marine Weather

☀️ Sun

Rise

6:38 AM

Set

5:07 PM

🌗 Moon

Rise

2:00 AM

23%

Set

2:41 PM

19%

7-Day Insights

Tidal Extremes

Highest Tide

Thu, Oct 29

6.5' at 1:57 PM

Unusually high

Lowest Tide

Thu, Oct 29

-1.0' at 9:05 PM

Unusually low

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Biggest Tidal Ranges

Largest

Thu, Oct 29

7.5' tidal range

Unusually large

Smallest

Mon, Nov 2

2.3' tidal range

Smaller than usual