Mississippi tide station

St. Louis Bay entrance tide times

Today, Sunday, October 18, 2026: high tide at 4:24 AM (2.2 ft); low tide at 4:46 PM (0.4 ft). Water temperature 67.6 F at Bay Waveland Yacht Club.

NOAA station 8747437 · Reference station · MLLW datum · times in CDT · sunrise 7:02 AM, sunset 6:23 PM · first quarter (51% lit)

High tide▲

4:24AM

2.2FT MLLW

high

Low tide▼

4:46PM

0.4FT MLLW

low

Water temp°F

67.6

19.8C

Bay Waveland Yacht Club

predicted height above MLLWnightnow (build time; your browser updates it)

As of 4:20 AM the tide is rising toward high tide at 4:24 AM (2.2 ft).

First Quarter 51% litSunrise 7:02 AMSunset 6:23 PMDaylight 11h 21mCDT

High tide at St. Louis Bay entrance, Mississippi on October 18, 2026 is at 4:24 AM (2.2 ft above MLLW).
Low tide at St. Louis Bay entrance on October 18, 2026 is at 4:46 PM (0.4 ft).
Today's tidal range at St. Louis Bay entrance is 1.7 ft (highest high 2.2 ft, lowest low 0.4 ft).
The nearest NOAA water temperature to St. Louis Bay entrance is 67.6 F at Bay Waveland Yacht Club, as of October 18, 2026.
Sunrise 7:02 AM, sunset 6:23 PM (CDT); moon first quarter, 51% illuminated.
Predictions are NOAA CO-OPS tide predictions for station 8747437 (harmonic reference station), heights above MLLW.

Next 7 days at St. Louis Bay entrance

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Oct 18today	4:24 AM2.2 ft	4:46 PM0.4 ft			7:02 AM	6:23 PM	51%
Mon Oct 19	5:22 AM2.1 ft	5:23 PM0.5 ft			7:02 AM	6:22 PM	62%
Tue Oct 20	6:26 AM1.9 ft	5:49 PM0.6 ft			7:03 AM	6:21 PM	72%
Wed Oct 21	7:45 AM1.7 ft	6:00 PM0.8 ft			7:04 AM	6:20 PM	81%
Thu Oct 22	1:14 AM1.5 ft	5:11 AM1.3 ft	10:15 AM1.5 ft	5:50 PM1.0 ft	7:04 AM	6:19 PM	88%
Fri Oct 23	12:29 AM1.5 ft	6:24 AM1.0 ft	1:03 PM1.4 ft	5:18 PM1.2 ft	7:05 AM	6:18 PM	94%
Sat Oct 24	7:17 AM0.7 ft	11:08 PM1.9 ft			7:06 AM	6:17 PM	98%

Water temperature near St. Louis Bay entrance

67.6 F (19.8 C)

NOAA CO-OPS station 8747437 (this station's own sensor), read 4:00 AM local, October 18, 2026

Over the past 30 days this sensor ranged from 67.6 to 88.7 F. Typical for October here is 74.9 F (5-year hourly mean; range 62.2 to 84.7), so today is 7.3 F below typical.

Water temperature is the nearest NOAA reading to St. Louis Bay entrance, not a measurement at the tide gauge itself. See water temperature by state for every sensor and buoy.

Tide tables

High (▲) and low (▼) tides in CDT with sunrise, sunset and moon illumination. CSV of today's tides for every Mississippi station.

October 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Thu Oct 1					6:51 AM	6:43 PM	72%
Fri Oct 2					6:52 AM	6:42 PM	62%
Sat Oct 3					6:52 AM	6:40 PM	51%
Sun Oct 4					6:53 AM	6:39 PM	41%
Mon Oct 5					6:53 AM	6:38 PM	31%
Tue Oct 6					6:54 AM	6:37 PM	21%
Wed Oct 7					6:55 AM	6:36 PM	13%
Thu Oct 8					6:55 AM	6:34 PM	7%
Fri Oct 9					6:56 AM	6:33 PM	3%
Sat Oct 10					6:56 AM	6:32 PM	0%
Sun Oct 11					6:57 AM	6:31 PM	0%
Mon Oct 12					6:58 AM	6:30 PM	2%
Tue Oct 13					6:58 AM	6:29 PM	7%
Wed Oct 14					6:59 AM	6:27 PM	13%
Thu Oct 15					7:00 AM	6:26 PM	21%
Fri Oct 16	2:42 AM2.3 ft	2:51 PM0.5 ft			7:00 AM	6:25 PM	30%
Sat Oct 17	3:30 AM2.3 ft	3:58 PM0.4 ft			7:01 AM	6:24 PM	40%
Sun Oct 18today	4:24 AM2.2 ft	4:46 PM0.4 ft			7:02 AM	6:23 PM	51%
Mon Oct 19	5:22 AM2.1 ft	5:23 PM0.5 ft			7:02 AM	6:22 PM	62%
Tue Oct 20	6:26 AM1.9 ft	5:49 PM0.6 ft			7:03 AM	6:21 PM	72%
Wed Oct 21	7:45 AM1.7 ft	6:00 PM0.8 ft			7:04 AM	6:20 PM	81%
Thu Oct 22	1:14 AM1.5 ft	5:11 AM1.3 ft	10:15 AM1.5 ft	5:50 PM1.0 ft	7:04 AM	6:19 PM	88%
Fri Oct 23	12:29 AM1.5 ft	6:24 AM1.0 ft	1:03 PM1.4 ft	5:18 PM1.2 ft	7:05 AM	6:18 PM	94%
Sat Oct 24	7:17 AM0.7 ft	11:08 PM1.9 ft			7:06 AM	6:17 PM	98%
Sun Oct 25	8:06 AM0.5 ft	11:24 PM2.1 ft			7:07 AM	6:16 PM	100%
Mon Oct 26	8:55 AM0.2 ft	11:54 PM2.3 ft			7:07 AM	6:15 PM	99%
Tue Oct 27	9:50 AM0.1 ft				7:08 AM	6:14 PM	97%
Wed Oct 28	12:32 AM2.5 ft	10:57 AM-0.0 ft			7:09 AM	6:13 PM	92%
Thu Oct 29	1:17 AM2.6 ft	12:32 PM-0.0 ft			7:10 AM	6:12 PM	85%
Fri Oct 30	2:06 AM2.6 ft	2:23 PM-0.1 ft			7:10 AM	6:12 PM	77%
Sat Oct 31	3:00 AM2.5 ft	3:38 PM-0.0 ft			7:11 AM	6:11 PM	67%

November 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Nov 1	2:57 AM2.3 ft	3:31 PM0.1 ft			6:12 AM	5:10 PM	57%
Mon Nov 2	3:56 AM2.0 ft	4:05 PM0.3 ft			6:13 AM	5:09 PM	46%
Tue Nov 3	4:55 AM1.7 ft	4:09 PM0.6 ft	11:48 PM1.3 ft		6:13 AM	5:08 PM	36%
Wed Nov 4	2:59 AM1.2 ft	6:05 AM1.3 ft	3:50 PM0.9 ft	11:14 PM1.3 ft	6:14 AM	5:07 PM	26%
Thu Nov 5	4:49 AM0.9 ft	12:30 PM1.2 ft	3:18 PM1.1 ft	9:56 PM1.5 ft	6:15 AM	5:07 PM	17%
Fri Nov 6	5:58 AM0.5 ft	9:04 PM1.8 ft			6:16 AM	5:06 PM	10%
Sat Nov 7	6:47 AM0.3 ft	9:28 PM2.0 ft			6:17 AM	5:05 PM	4%
Sun Nov 8	7:29 AM0.1 ft	10:01 PM2.1 ft			6:17 AM	5:05 PM	1%
Mon Nov 9	8:10 AM0.0 ft	10:37 PM2.2 ft			6:18 AM	5:04 PM	0%
Tue Nov 10	8:52 AM-0.0 ft	11:15 PM2.2 ft			6:19 AM	5:03 PM	1%
Wed Nov 11	9:41 AM-0.0 ft	11:55 PM2.1 ft			6:20 AM	5:03 PM	4%
Thu Nov 12	10:41 AM-0.0 ft				6:21 AM	5:02 PM	10%
Fri Nov 13	12:36 AM2.1 ft	11:52 AM0.0 ft			6:22 AM	5:02 PM	17%
Sat Nov 14	1:18 AM2.0 ft	1:00 PM0.0 ft			6:22 AM	5:01 PM	26%
Sun Nov 15	1:59 AM1.9 ft	1:50 PM0.1 ft			6:23 AM	5:01 PM	35%
Mon Nov 16	2:37 AM1.7 ft	2:24 PM0.2 ft			6:24 AM	5:00 PM	46%
Tue Nov 17	3:11 AM1.5 ft	2:42 PM0.3 ft			6:25 AM	5:00 PM	56%
Wed Nov 18	1:07 AM1.3 ft	2:36 PM0.5 ft	10:44 PM1.2 ft		6:26 AM	4:59 PM	67%
Thu Nov 19	2:01 PM0.7 ft	9:50 PM1.2 ft			6:27 AM	4:59 PM	76%
Fri Nov 20	5:22 AM0.6 ft	8:38 PM1.4 ft			6:27 AM	4:58 PM	85%
Sat Nov 21	5:55 AM0.2 ft	8:36 PM1.6 ft			6:28 AM	4:58 PM	92%
Sun Nov 22	6:36 AM-0.1 ft	9:03 PM1.9 ft			6:29 AM	4:58 PM	96%
Mon Nov 23	7:24 AM-0.3 ft	9:42 PM2.1 ft			6:30 AM	4:58 PM	99%
Tue Nov 24	8:17 AM-0.5 ft	10:27 PM2.2 ft			6:31 AM	4:57 PM	100%
Wed Nov 25	9:18 AM-0.6 ft	11:16 PM2.3 ft			6:32 AM	4:57 PM	98%
Thu Nov 26	10:27 AM-0.7 ft				6:32 AM	4:57 PM	94%
Fri Nov 27	12:06 AM2.3 ft	11:45 AM-0.6 ft			6:33 AM	4:57 PM	89%
Sat Nov 28	12:56 AM2.1 ft	12:56 PM-0.5 ft			6:34 AM	4:57 PM	81%
Sun Nov 29	1:45 AM1.9 ft	1:45 PM-0.3 ft			6:35 AM	4:56 PM	72%
Mon Nov 30	2:31 AM1.6 ft	2:05 PM-0.0 ft			6:36 AM	4:56 PM	62%

Tidal datums at St. Louis Bay entrance

Heights on this page are above mean lower low water (MLLW), the chart datum. NOAA's accepted datums for station 8747437, in feet above MLLW:

MHHW

4.15 ft

Mean higher high water

MHW

4.02 ft

Mean high water

MSL

3.26 ft

Mean sea level

MLW

2.50 ft

Mean low water

1.51 ft

Mean range

1.79 ft

Diurnal range

Highest observed water level: 13.24 ft above MLLW on September 1, 2008. Tidal datum epoch 1983-2001.

Nearby tide stations

Waveland3.9 mi · next high 4:27 AM
Pass Christian Yacht Club, Mississippi Sound4.9 mi
Cat Island14 mi
Gulfport Harbor, Mississippi Sound15 mi
Grand Pass15 mi
Turkey Creek, Bernard Bayou18 mi · next high 4:46 AM

Questions

What time is high tide at St. Louis Bay entrance today?

High tide at St. Louis Bay entrance, Mississippi on Sunday, October 18, 2026 is at 4:24 AM (2.2 ft above MLLW), NOAA prediction, local time.

What time is low tide at St. Louis Bay entrance today?

Low tide at St. Louis Bay entrance on Sunday, October 18, 2026 is at 4:46 PM (0.4 ft).

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

The nearest NOAA water-temperature reading to St. Louis Bay entrance is 67.6 F at Bay Waveland Yacht Club, as of October 18, 2026.

Not for navigation. Predictions do not include weather; wind and pressure can move the real water level by a foot or more. Source: NOAA CO-OPS station 8747437.