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Humboldt Bay, CA tide chart and marine alerts

NOAA station 9418767 · 40.767°N, 124.217°W. Get an email only when the NWS issues a marine or coastal alert here, or the tide runs unusually high or low.

NOAA station 9418767

Humboldt Bay, CA

Tide now1.1 ft↑ rising · predicted
Next high2:52 AM5.2 ft
Next low7:18 AM3.9 ft
5.4 ft 2:06 AM3.7 ft 6:39 AM7.0 ft 12:27 PM−0.3 ft 7:46 PM
  • WindS 12 ktgusts 15
  • Water61°F
  • Air61°F
  • NOAA sensors · 9:48 PM

No active NWS marine or coastal alerts here

NOAA sensor 3.2 ft at 9:48 PM (+2.3 ft vs prediction)Times PST · NOAA source

Today and tomorrow

12 AM6 AM12 PM6 PM048Unusually high: 8.8 ftUnusually low: −1.0 ft5.4 ft 2:06 AM3.7 ft 6:39 AM7.0 ft 12:27 PM−0.3 ft 7:46 PM5.2 ft 2:52 AM3.9 ft 7:18 AM6.7 ft 1:04 PM−0.1 ft 8:28 PM

Next 7 days Shape drawn between NOAA's predicted highs and lows

12 Thu13 Fri14 Sat15 Sun16 Mon17 Tue18 Wed02468

7-day tides, sun and moon Times PST · feet above MLLW

DayHigh tidesLow tidesSunrise
Sunset
Moon
Thu, Nov 122:06 AM 5.4 ft12:27 PM 7.0 ft6:39 AM 3.7 ft7:46 PM −0.3 ft6:59 AM
5:02 PM
Waxing crescent 12%
Fri, Nov 132:52 AM 5.2 ft1:04 PM 6.7 ft7:18 AM 3.9 ft8:28 PM −0.1 ft7:00 AM
5:01 PM
Waxing crescent 19%
Sat, Nov 143:41 AM 5.1 ft1:45 PM 6.3 ft8:04 AM 4.0 ft9:12 PM 0.2 ft7:02 AM
5:00 PM
Waxing crescent 26%
Sun, Nov 154:33 AM 5.1 ft2:34 PM 5.9 ft9:03 AM 4.1 ft10:00 PM 0.5 ft7:03 AM
4:59 PM
Waxing crescent 35%
Mon, Nov 165:24 AM 5.2 ft3:37 PM 5.5 ft10:17 AM 4.0 ft10:50 PM 0.8 ft7:04 AM
4:59 PM
First quarter 45%
Tue, Nov 176:09 AM 5.4 ft4:52 PM 5.1 ft11:38 AM 3.6 ft11:40 PM 1.1 ft7:05 AM
4:58 PM
First quarter 54%
Wed, Nov 186:49 AM 5.8 ft6:11 PM 4.9 ft12:48 PM 3.0 ft7:06 AM
4:57 PM
Waxing gibbous 64%

Tides: NOAA CO-OPS predictions. Sun and moon: computed for this station's coordinates with NOAA's solar equations and standard lunar formulas.

Today Thursday, Nov 12

TideTime (PST)Height
High2:06 AM5.4 ft
Low6:39 AM3.7 ft
High12:27 PM7.0 ft
Low7:46 PM−0.3 ft

Tomorrow Friday, Nov 13

TideTime (PST)Height
High2:52 AM5.2 ft
Low7:18 AM3.9 ft
High1:04 PM6.7 ft
Low8:28 PM−0.1 ft

Saturday Saturday, Nov 14

TideTime (PST)Height
High3:41 AM5.1 ft
Low8:04 AM4.0 ft
High1:45 PM6.3 ft
Low9:12 PM0.2 ft

Active NWS alerts

No active NWS marine or coastal alerts cover this station right now (checked 9:58 PM PST).

Unusual tides here

We flag a predicted high at or above 8.8 ft MLLW (NOAA's minor high-tide flooding threshold for this station). We flag a predicted low at or below −1.0 ft MLLW. Mean higher high water is 6.9 ft.

No predicted tide in the next few days crosses either line.

Official sources

Predictions are astronomical tides. Wind and pressure can move the real water level a foot or more. NOAA's sensor here read 3.2 ft at 9:48 PM.

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Free for club, marina, and charter sites: a small, script-free card with the next high and low and any active NWS alert, linking back here. Copy:

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Humboldt Bay, CA: common questions

When is the next high tide at Humboldt Bay, CA?

NOAA predicts the next high tide at Humboldt Bay, CA at Fri 2:52 AM PST, 5.2 ft above mean lower low water (MLLW).

When is the next low tide at Humboldt Bay, CA?

The next predicted low tide is at Fri 7:18 AM PST, 3.9 ft relative to MLLW.

What is the water temperature at Humboldt Bay, CA?

NOAA's sensor at station 9418767 read 61°F at Thu 9:48 PM PST.

Is there a marine alert for Humboldt Bay, CA right now?

No. When this page was built, no NWS marine or coastal alert covered this station.

What are these tide heights measured from?

Heights are in feet above mean lower low water (MLLW), the average of the lower of the two daily low tides. A negative number means the water is below that average.

How do I get an email when something happens at Humboldt Bay, CA?

Enter your email at the top of this page. You get one confirmation email, then nothing until the NWS issues a marine or coastal alert here or the tide is predicted unusually high or low. Unsubscribe in one click.