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Roche Harbor, San Juan Island

Roche Harbor, San Juan Island Tides

A marine warning is in force for this area. The tide is 3.8' and rising: next high 6.1' at 3:36 AM. Tide predictions are astronomical, so the weather in that warning can raise or lower the actual level.

Last Tide - Low

3.4'

9:58 PM

PDT

1 hour, 15 minutes ago

Next Tide - High

6.1'

3:36 AM

PDT

4 hours, 22 minutes from now

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☀️

Sunrise

7:22 AM

PDT

8 hours, 8 minutes from now

🌘

Moonrise

5:08 AM

PDT

Waning Crescent · 5%

5 hours, 54 minutes from now

Today

🌊 Tides

High

2:11 AM

5.8'

Low

8:41 AM

0.9'

High

3:59 PM

7.7'

Low

9:58 PM

3.4'

☀️ 7:21 AM ↑☀️ 6:38 PM ↓7.7'4.3'0.9'1236912369122:118:413:599:58

🌤️ Marine Weather

☀️ Sun

Rise

7:21 AM

Set

6:38 PM

🌘 Moon

Rise

3:50 AM

12%

Set

5:24 PM

8%

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Tomorrow

🌊 Tides

High

3:36 AM

6.1'

Low

9:31 AM

1.6'

High

4:24 PM

7.6'

Low

10:29 PM

2.3'

☀️ 7:22 AM ↑☀️ 6:36 PM ↓7.6'4.6'1.6'1236912369123:369:314:2410:29

🌤️ Marine Weather

☀️ Sun

Rise

7:22 AM

Set

6:36 PM

🌘 Moon

Rise

5:08 AM

5%

Set

5:40 PM

3%

Friday - October 9, 2026

🌊 Tides

High

4:46 AM

6.4'

Low

10:15 AM

2.5'

High

4:45 PM

7.6'

Low

11:00 PM

1.2'

☀️ 7:24 AM ↑☀️ 6:34 PM ↓7.6'4.4'1.2'1236912369124:4610:154:4511:00

🌤️ Marine Weather

☀️ Sun

Rise

7:24 AM

Set

6:34 PM

🌘 Moon

Rise

6:23 AM

1%

Set

5:55 PM

1%

Saturday - October 10, 2026

🌊 Tides

High

5:46 AM

6.8'

Low

10:57 AM

3.4'

High

5:03 PM

7.5'

Low

11:32 PM

0.3'

☀️ 7:25 AM ↑☀️ 6:32 PM ↓7.5'3.9'0.3'1236912369125:4610:575:0311:32

🌤️ Marine Weather

☀️ Sun

Rise

7:25 AM

Set

6:32 PM

🌘 Moon

Rise

7:38 AM

0%

Set

6:11 PM

0%

Sunday - October 11, 2026

🌊 Tides

High

6:41 AM

7.1'

Low

11:39 AM

4.3'

High

5:21 PM

7.3'

☀️ 7:27 AM ↑☀️ 6:30 PM ↓7.4'3.5'-0.4'1236912369126:4111:395:21

🌤️ Marine Weather

☀️ Sun

Rise

7:27 AM

Set

6:30 PM

🌑 Moon

Rise

8:53 AM

1%

Set

6:30 PM

2%

Monday - October 12, 2026

🌊 Tides

Low

12:05 AM

-0.4'

High

7:34 AM

7.3'

Low

12:24 PM

5.2'

High

5:42 PM

7.2'

☀️ 7:28 AM ↑☀️ 6:28 PM ↓7.3'3.4'-0.5'12369123691212:057:3412:245:42

🌤️ Marine Weather

☀️ Sun

Rise

7:28 AM

Set

6:28 PM

🌑 Moon

Rise

10:07 AM

5%

Set

6:52 PM

6%

Tuesday - October 13, 2026

🌊 Tides

Low

12:39 AM

-0.8'

High

8:27 AM

7.4'

Low

1:14 PM

5.9'

High

6:04 PM

7.0'

☀️ 7:30 AM ↑☀️ 6:26 PM ↓7.5'3.3'-0.8'12369123691212:398:271:146:04

🌤️ Marine Weather

☀️ Sun

Rise

7:30 AM

Set

6:26 PM

🌑 Moon

Rise

11:19 AM

10%

Set

7:21 PM

12%

7-Day Insights

Tidal Extremes

Highest Tide

Wed, Oct 7

7.7' at 3:59 PM

Typical

Lowest Tide

Tue, Oct 13

-0.8' at 12:39 AM

Lower than usual

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Biggest Tidal Ranges

Largest

Tue, Oct 13

8.2' tidal range

Typical

Smallest

Sun, Oct 11

3.0' tidal range

Smaller than usual