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Mad River Slough, Arcata Bay

Mad River Slough, Arcata Bay Tides

The tide is 6.2' and rising: next high 6.4' at 11:48 AM. Moderate seas, N wind at 7 kt. Sea state is taken from nearby open water.

Last Tide - Low

-0.6'

4:52 AM

PDT

6 hours, 30 minutes ago

Next Tide - High

6.4'

11:48 AM

PDT

25 minutes from now

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☀️

Sunset

7:37 PM

PDT

8 hours, 14 minutes from now

🌘

Moonset

6:28 PM

PDT

Waning Crescent · 5%

7 hours, 6 minutes from now

Today

🌊 Tides

Low

4:52 AM

-0.6'

High

11:48 AM

6.4'

Low

4:50 PM

2.6'

High

11:01 PM

8.2'

🌤️ Marine Weather

☀️ Sun

Rise

6:50 AM

Set

7:37 PM

🌘 Moon

Rise

3:51 AM

Set

6:28 PM

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Tomorrow

🌊 Tides

Low

5:38 AM

-0.7'

High

12:25 PM

6.9'

Low

5:44 PM

1.9'

High

11:57 PM

8.1'

🌤️ Marine Weather

☀️ Sun

Rise

6:51 AM

Set

7:35 PM

🌘 Moon

Rise

5:07 AM

Set

6:55 PM

Thursday - September 10, 2026

🌊 Tides

Low

6:19 AM

-0.5'

High

12:59 PM

7.3'

Low

6:33 PM

1.2'

🌤️ Marine Weather

☀️ Sun

Rise

6:52 AM

Set

7:33 PM

🌘 Moon

Rise

6:21 AM

Set

7:19 PM

Friday - September 11, 2026

🌊 Tides

High

12:48 AM

7.9'

Low

6:57 AM

-0.1'

High

1:31 PM

7.6'

Low

7:19 PM

0.7'

🌤️ Marine Weather

☀️ Sun

Rise

6:53 AM

Set

7:32 PM

🌑 Moon

Rise

7:31 AM

Set

7:41 PM

Saturday - September 12, 2026

🌊 Tides

High

1:37 AM

7.6'

Low

7:33 AM

0.5'

High

2:02 PM

7.8'

Low

8:04 PM

0.4'

🌤️ Marine Weather

☀️ Sun

Rise

6:54 AM

Set

7:30 PM

🌑 Moon

Rise

8:40 AM

Set

8:04 PM

Sunday - September 13, 2026

🌊 Tides

High

2:25 AM

7.1'

Low

8:07 AM

1.1'

High

2:33 PM

7.9'

Low

8:48 PM

0.3'

🌤️ Marine Weather

☀️ Sun

Rise

6:55 AM

Set

7:28 PM

🌑 Moon

Rise

9:48 AM

Set

8:28 PM

10%

Monday - September 14, 2026

🌊 Tides

High

3:13 AM

6.6'

Low

8:41 AM

1.9'

High

3:04 PM

7.8'

Low

9:32 PM

0.3'

🌤️ Marine Weather

☀️ Sun

Rise

6:56 AM

Set

7:26 PM

🌑 Moon

Rise

10:55 AM

14%

Set

8:54 PM

17%

7-Day Insights

Tidal Extremes

Highest Tide

Tue, Sep 8

8.2' at 11:01 PM

Higher than usual

Lowest Tide

Wed, Sep 9

-0.7' at 5:38 AM

Lower than usual

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Biggest Tidal Ranges

Largest

Tue, Sep 8

8.8' tidal range

Larger than usual

Smallest

Sat, Sep 12

7.5' tidal range

Typical

Nautical Charts for Mad River Slough, Arcata Bay

Humboldt Bay

Point Arena to Trinidad Head

Monterey Bay to Coos Bay