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St. Louis Bay entrance, MS tide chart and marine alerts

NOAA station 8747437 · 30.326°N, 89.326°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 8747437

St. Louis Bay entrance, MS

Tide now1.7 ft↑ rising · predicted
Next high11:55 PM2.1 ft
Next low10:41 AM0.0 ft
0.0 ft 9:41 AM2.1 ft 11:55 PM
  • WindW 4 ktgusts 6
  • Water69°F
  • Air67°F
  • NOAA sensors · 8:42 PM

No active NWS marine or coastal alerts here

NOAA sensor 2.4 ft at 8:36 PM (+0.7 ft vs prediction)Times CST · NOAA source

Today and tomorrow

12 AM6 AM12 PM6 PM024Unusually high: 3.5 ft0.0 ft 9:41 AM2.1 ft 11:55 PM0.0 ft 10:41 AM

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

11 Wed12 Thu13 Fri14 Sat15 Sun16 Mon17 Tue012

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

DayHigh tidesLow tidesSunrise
Sunset
Moon
Wed, Nov 1111:55 PM 2.1 ft9:41 AM 0.0 ft6:19 AM
5:03 PM
Waxing crescent 6%
Thu, Nov 12—10:41 AM 0.0 ft6:20 AM
5:03 PM
Waxing crescent 12%
Fri, Nov 1312:36 AM 2.1 ft11:52 AM 0.0 ft6:20 AM
5:02 PM
Waxing crescent 18%
Sat, Nov 141:18 AM 2.0 ft1:00 PM 0.0 ft6:21 AM
5:01 PM
Waxing crescent 26%
Sun, Nov 151:59 AM 1.9 ft1:50 PM 0.1 ft6:22 AM
5:01 PM
Waxing crescent 34%
Mon, Nov 162:37 AM 1.7 ft2:24 PM 0.2 ft6:23 AM
5:00 PM
Waxing crescent 44%
Tue, Nov 173:11 AM 1.5 ft2:42 PM 0.3 ft6:24 AM
5:00 PM
First quarter 54%

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

Today Wednesday, Nov 11

TideTime (CST)Height
Low9:41 AM0.0 ft
High11:55 PM2.1 ft

Tomorrow Thursday, Nov 12

TideTime (CST)Height
Low10:41 AM0.0 ft

Friday Friday, Nov 13

TideTime (CST)Height
High12:36 AM2.1 ft
Low11:52 AM0.0 ft

Active NWS alerts

No active NWS marine or coastal alerts cover this station right now (checked 8:52 PM CST).

Marine forecast GMZ532 · Mississippi Sound

Tonight
West winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Waves 2 to 3 feet.
Thursday
Northwest winds 10 to 15 knots. Waves 2 to 3 feet.
Thursday Night
North winds 10 to 15 knots. Waves 2 to 3 feet.
Friday
North winds 10 to 15 knots. Waves 2 to 3 feet.

National Weather Service, issued Wed 4:36 PM CST. Official forecast for GMZ532

Unusual tides here

We flag a predicted high at or above 3.5 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 1.8 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 2.4 ft at 8:36 PM.

St. Louis Bay entrance, MS: common questions

When is the next high tide at St. Louis Bay entrance, MS?

NOAA predicts the next high tide at St. Louis Bay entrance, MS at Wed 11:55 PM CST, 2.1 ft above mean lower low water (MLLW).

When is the next low tide at St. Louis Bay entrance, MS?

The next predicted low tide is at Thu 10:41 AM CST, 0.0 ft relative to MLLW.

What is the water temperature at St. Louis Bay entrance, MS?

NOAA's sensor at station 8747437 read 69°F at Wed 8:42 PM CST.

Is there a marine alert for St. Louis Bay entrance, MS 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 St. Louis Bay entrance, MS?

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.