Tides Today & Tomorrow in Bay Saint Louis, MS

TIDE TIMES for Tuesday, June 23, 2026
The tide is currently falling in Bay Saint Louis, MS.
Next low tide : in 2h 34m at 8:04 pm (0.4 ft)
Next high tide (tomorrow) : 7:27 am (1.8 ft)
Sunset today : 8:02 pm
Sunrise tomorrow : 5:56 am
Moon phase : First Quarter (68% illuminated)
Tide Station Location : Station #8747437
Common Questions About Tides

Bay Saint Louis, MS Tides - Feb 2015

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun9:251.17:27-0.66:475:33Waxing Gibbous1Sun
2Mon10:161.17:46-0.66:475:34Full Moon2Mon
3Tue11:021.08:07-0.56:465:35Full Moon3Tue
4Wed11:440.98:27-0.46:465:36Full Moon4Wed
5Thu8:44-0.36:455:37Full Moon5Thu
6Fri12:230.85:120.48:54-0.28:180.46:445:38Waning Gibbous6Fri
7Sat1:000.64:040.58:53-0.19:150.36:435:38Waning Gibbous7Sat
8Sun1:320.53:120.68:440.010:320.26:435:39Waning Gibbous8Sun
9Mon1:420.33:260.88:190.16:425:40Waning Gibbous9Mon
10Tue3:520.94:530.06:415:41Third Quarter10Tue
11Wed4:291.04:39-0.16:405:42Third Quarter11Wed
12Thu5:141.15:03-0.36:395:43Third Quarter12Thu
13Fri6:071.25:36-0.56:395:43Third Quarter13Fri
14Sat7:091.36:10-0.66:385:44Waning Crescent14Sat
15Sun8:181.36:45-0.76:375:45Waning Crescent15Sun
16Mon9:261.47:17-0.76:365:46Waning Crescent16Mon
17Tue10:261.37:47-0.66:355:47New Moon17Tue
18Wed11:201.28:11-0.56:345:47New Moon18Wed
19Thu4:280.58:29-0.36:470.46:335:48New Moon19Thu
20Fri12:091.04:270.58:410.08:050.36:325:49Waxing Crescent20Fri
21Sat12:550.71:480.68:450.29:180.26:315:50Waxing Crescent21Sat
22Sun5:410.51:480.98:350.410:450.16:305:50Waxing Crescent22Sun
23Mon2:211.16:295:51Waxing Crescent23Mon
24Tue3:041.33:52-0.16:285:52First Quarter24Tue
25Wed3:531.34:35-0.26:275:53First Quarter25Wed
26Thu4:471.35:17-0.36:265:53First Quarter26Thu
27Fri5:461.35:53-0.36:255:54Waxing Gibbous27Fri
28Sat6:501.26:18-0.36:245:55Waxing Gibbous28Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8747437)

Common Questions About Bay Saint Louis, MS Tides

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What time does the tide turn (slack tide) in Bay Saint Louis, MS today?

Slack tide in Bay Saint Louis, MS is approximately 1:45 am — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

Is this week a spring tide or neap tide in Bay Saint Louis, MS?

Bay Saint Louis, MS is currently in a transitional phase. Tonight's moon is 68% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are shifting between spring and neap.

What datum are Bay Saint Louis, MS tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Bay Saint Louis, MS?

Tide predictions for Bay Saint Louis, MS come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Bay Saint Louis, MS?

Tide data for Bay Saint Louis, MS is sourced from NOAA Station #8747437. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8747437.

What is the moon phase in Bay Saint Louis, MS tonight?

Tonight the moon over Bay Saint Louis, MS is First Quarter (68% illuminated). This places Bay Saint Louis, MS in a transitional tide cycle, so tidal ranges are shifting between spring and neap this week.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA