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Alcan Harbor, Shemya Island

Alcan Harbor, Shemya Island Tides

Marine warnings are in force for this area. The tide is 2.2' and falling: next low -0.2' at 10:58 AM. Tide predictions are astronomical, so the weather in those warnings can raise or lower the actual level.

Last Tide - High

3.0'

2:53 AM

HDT

2 hours, 43 minutes ago

Next Tide - Low

-0.2'

10:58 AM

HDT

5 hours, 21 minutes from now

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☀️

Sunrise

8:24 AM

HDT

2 hours, 48 minutes from now

🌔

Moonset

6:40 AM

HDT

Waxing Gibbous · 98%

1 hour, 4 minutes from now

Today

🌊 Tides

High

2:53 AM

3.0'

Low

10:58 AM

-0.2'

High

8:49 PM

2.7'

Low

10:55 PM

2.5'

☀️ 8:24 AM ↑☀️ 10:24 PM ↓3.0'1.4'-0.2'1236912369122:5310:588:4910:55

🌤️ Marine Weather

☀️ Sun

Rise

8:24 AM

Set

10:24 PM

🌔 Moon

Set

6:40 AM

98%

Rise

10:04 PM

99%

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Tomorrow

🌊 Tides

High

4:12 AM

2.8'

Low

11:37 AM

0.0'

High

8:38 PM

2.6'

☀️ 8:26 AM ↑☀️ 10:22 PM ↓2.8'1.4'0.0'1236912369124:1211:378:38

🌤️ Marine Weather

☀️ Sun

Rise

8:26 AM

Set

10:22 PM

🌔 Moon

Set

7:58 AM

100%

Rise

10:16 PM

100%

Friday - August 28, 2026

🌊 Tides

Low

12:00 AM

2.2'

High

5:36 AM

2.6'

Low

12:14 PM

0.3'

High

8:34 PM

2.6'

☀️ 8:28 AM ↑☀️ 10:20 PM ↓2.6'1.4'0.3'12369123691212:005:3612:148:34

🌤️ Marine Weather

☀️ Sun

Rise

8:28 AM

Set

10:20 PM

🌕 Moon

Set

9:17 AM

100%

Rise

10:26 PM

99%

Saturday - August 29, 2026

🌊 Tides

Low

12:46 AM

1.7'

High

6:59 AM

2.5'

Low

12:47 PM

0.6'

High

8:32 PM

2.6'

☀️ 8:29 AM ↑☀️ 10:17 PM ↓2.6'1.6'0.6'12369123691212:466:5912:478:32

🌤️ Marine Weather

☀️ Sun

Rise

8:29 AM

Set

10:17 PM

🌕 Moon

Set

10:36 AM

97%

Rise

10:36 PM

95%

Sunday - August 30, 2026

🌊 Tides

Low

1:25 AM

1.2'

High

8:18 AM

2.5'

Low

1:18 PM

1.0'

High

8:32 PM

2.7'

☀️ 8:31 AM ↑☀️ 10:15 PM ↓2.7'1.9'1.0'1236912369121:258:181:188:32

🌤️ Marine Weather

☀️ Sun

Rise

8:31 AM

Set

10:15 PM

🌕 Moon

Set

11:56 AM

92%

Rise

10:47 PM

89%

Monday - August 31, 2026

🌊 Tides

Low

2:03 AM

0.7'

High

9:33 AM

2.4'

Low

1:45 PM

1.5'

High

8:37 PM

2.8'

☀️ 8:33 AM ↑☀️ 10:13 PM ↓2.8'1.8'0.7'1236912369122:039:331:458:37

🌤️ Marine Weather

☀️ Sun

Rise

8:33 AM

Set

10:13 PM

🌖 Moon

Set

1:19 PM

85%

Rise

11:00 PM

81%

Tuesday - September 1, 2026

🌊 Tides

Low

2:42 AM

0.2'

High

10:48 AM

2.5'

Low

2:08 PM

1.9'

High

8:50 PM

3.1'

☀️ 8:35 AM ↑☀️ 10:10 PM ↓3.1'1.6'0.2'1236912369122:4210:482:088:50

🌤️ Marine Weather

☀️ Sun

Rise

8:35 AM

Set

10:10 PM

🌖 Moon

Set

2:46 PM

75%

Rise

11:18 PM

72%

7-Day Insights

Tidal Extremes

Highest Tide

Tue, Sep 1

3.1' at 8:50 PM

Typical

Lowest Tide

Wed, Aug 26

-0.2' at 10:58 AM

Typical

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Biggest Tidal Ranges

Largest

Wed, Aug 26

3.2' tidal range

Typical

Smallest

Sun, Aug 30

1.6' tidal range

Smaller than usual