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 7h 44m 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 - Jun 2015

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon11:222.09:340.15:557:54Full Moon1Mon
2Tue11:572.110:080.05:557:54Full Moon2Tue
3Wed12:342.210:440.05:557:55Full Moon3Wed
4Thu1:122.211:210.05:557:55Waning Gibbous4Thu
5Fri1:512.25:557:56Waning Gibbous5Fri
6Sat2:302.112:000.05:557:56Waning Gibbous6Sat
7Sun3:081.912:400.15:547:57Waning Gibbous7Sun
8Mon3:431.61:170.35:547:57Third Quarter8Mon
9Tue4:041.31:460.55:547:58Third Quarter9Tue
10Wed11:101.32:030.78:570.85:547:58Third Quarter10Wed
11Thu11:071.48:350.65:547:59Waning Crescent11Thu
12Fri9:081.58:270.35:547:59Waning Crescent12Fri
13Sat9:231.78:380.15:547:59Waning Crescent13Sat
14Sun10:051.99:030.05:548:00Waning Crescent14Sun
15Mon10:502.09:34-0.15:548:00New Moon15Mon
16Tue11:342.110:05-0.15:558:00New Moon16Tue
17Wed12:172.110:350.05:558:01New Moon17Wed
18Thu12:582.111:060.15:558:01Waxing Crescent18Thu
19Fri1:382.011:350.25:558:01Waxing Crescent19Fri
20Sat2:151.85:558:02Waxing Crescent20Sat
21Sun2:501.712:010.35:558:02Waxing Crescent21Sun
22Mon3:151.512:220.45:568:02First Quarter22Mon
23Tue12:551.312:250.611:470.75:568:02First Quarter23Tue
24Wed10:491.29:540.75:568:02First Quarter24Wed
25Thu8:011.38:360.65:568:02First Quarter25Thu
26Fri8:051.58:010.55:578:03Waxing Gibbous26Fri
27Sat8:371.68:080.35:578:03Waxing Gibbous27Sat
28Sun9:201.88:320.15:578:03Waxing Gibbous28Sun
29Mon10:071.99:020.05:588:03Waxing Gibbous29Mon
30Tue10:532.09:32-0.15:588:03Full Moon30Tue
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