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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 6.3' and rising: next high 6.2' at 11:57 PM. Tide predictions are astronomical, so the weather in that warning can raise or lower the actual level.

Last Tide - Low

6.6'

9:30 PM

PDT

1 hour, 36 minutes ago

Next Tide - High

6.2'

11:57 PM

PDT

50 minutes from now

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☀️

Sunrise

6:17 AM

PDT

7 hours, 10 minutes from now

🌓

Moonset

1:04 AM

PDT

First Quarter · 79%

1 hour, 57 minutes from now

Today

🌊 Tides

Low

7:24 AM

0.3'

High

4:20 PM

7.1'

Low

9:30 PM

6.6'

High

11:57 PM

6.2'

🌤️ Marine Weather

☀️ Sun

Rise

6:16 AM

Set

8:13 PM

🌓 Moon

Set

12:09 AM

70%

Rise

5:44 PM

76%

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Tomorrow

🌊 Tides

Low

8:21 AM

0.2'

High

4:57 PM

7.3'

Low

10:09 PM

6.4'

🌤️ Marine Weather

☀️ Sun

Rise

6:17 AM

Set

8:11 PM

🌓 Moon

Set

1:04 AM

79%

Rise

6:24 PM

84%

Monday - August 24, 2026

🌊 Tides

High

1:05 AM

6.2'

Low

9:11 AM

0.0'

High

5:27 PM

7.3'

Low

10:29 PM

6.1'

🌤️ Marine Weather

☀️ Sun

Rise

6:18 AM

Set

8:09 PM

🌔 Moon

Set

2:08 AM

86%

Rise

6:55 PM

91%

Tuesday - August 25, 2026

🌊 Tides

High

2:09 AM

6.3'

Low

9:52 AM

-0.2'

High

5:51 PM

7.3'

Low

10:48 PM

5.8'

🌤️ Marine Weather

☀️ Sun

Rise

6:20 AM

Set

8:07 PM

🌔 Moon

Set

3:18 AM

93%

Rise

7:19 PM

96%

Wednesday - August 26, 2026

🌊 Tides

High

3:08 AM

6.4'

Low

10:28 AM

-0.2'

High

6:10 PM

7.3'

Low

11:11 PM

5.3'

🌤️ Marine Weather

☀️ Sun

Rise

6:21 AM

Set

8:06 PM

🌔 Moon

Set

4:31 AM

97%

Rise

7:39 PM

99%

Thursday - August 27, 2026

🌊 Tides

High

4:01 AM

6.5'

Low

11:01 AM

-0.1'

High

6:25 PM

7.3'

Low

11:39 PM

4.6'

🌤️ Marine Weather

☀️ Sun

Rise

6:23 AM

Set

8:04 PM

🌔 Moon

Set

5:44 AM

100%

Rise

7:55 PM

100%

Friday - August 28, 2026

🌊 Tides

High

4:53 AM

6.5'

Low

11:34 AM

0.2'

High

6:40 PM

7.4'

🌤️ Marine Weather

☀️ Sun

Rise

6:24 AM

Set

8:02 PM

🌕 Moon

Set

6:57 AM

100%

Rise

8:10 PM

99%

7-Day Insights

Tidal Extremes

Highest Tide

Fri, Aug 28

7.4' at 6:40 PM

Typical

Lowest Tide

Wed, Aug 26

-0.2' at 10:28 AM

Lower than usual

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Biggest Tidal Ranges

Largest

Wed, Aug 26

7.6' tidal range

Typical

Smallest

Sat, Aug 22

6.8' tidal range

Typical