Tides Today & Tomorrow in Bay Saint Louis, MS

TIDE TIMES for Monday, June 22, 2026
The tide is currently rising in Bay Saint Louis, MS.
Next low tide : 8:22 pm (0.6 ft)
Next high tide : in 8h 06m at 9:16 am (1.3 ft)
Sunset today : 8:02 pm
Sunrise tomorrow : 5:56 am
Moon phase : First Quarter (58% illuminated)
Tide Station Location : Station #8747437
Common Questions About Tides

Bay Saint Louis, MS Tides - Dec 2017

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri9:271.56:380.06:364:56Waxing Gibbous1Fri
2Sat10:001.77:23-0.36:374:56Full Moon2Sat
3Sun10:401.88:11-0.46:384:56Full Moon3Sun
4Mon11:221.99:02-0.66:384:56Full Moon4Mon
5Tue9:57-0.66:394:56Waning Gibbous5Tue
6Wed12:061.810:57-0.56:404:56Waning Gibbous6Wed
7Thu12:501.711:59-0.46:414:56Waning Gibbous7Thu
8Fri1:341.512:50-0.26:414:56Third Quarter8Fri
9Sat2:161.31:180.06:424:57Third Quarter9Sat
10Sun2:520.910:170.81:270.26:434:57Third Quarter10Sun
11Mon10:040.81:210.46:434:57Third Quarter11Mon
12Tue7:490.97:410.26:444:57Waning Crescent12Tue
13Wed7:481.17:100.06:454:58Waning Crescent13Wed
14Thu8:241.36:26-0.26:454:58Waning Crescent14Thu
15Fri9:041.46:53-0.36:464:58Waning Crescent15Fri
16Sat9:441.47:27-0.46:474:59New Moon16Sat
17Sun10:251.58:03-0.56:474:59New Moon17Sun
18Mon11:041.58:40-0.56:484:59New Moon18Mon
19Tue11:421.49:18-0.56:485:00New Moon19Tue
20Wed9:55-0.56:495:00Waxing Crescent20Wed
21Thu12:181.410:29-0.56:495:01Waxing Crescent21Thu
22Fri12:521.310:58-0.46:505:01Waxing Crescent22Fri
23Sat1:221.111:15-0.36:505:02Waxing Crescent23Sat
24Sun1:450.911:23-0.26:515:02First Quarter24Sun
25Mon1:400.79:180.611:330.06:515:03First Quarter25Mon
26Tue8:510.711:420.16:525:04First Quarter26Tue
27Wed7:300.87:170.16:525:04First Quarter27Wed
28Thu7:331.06:01-0.16:525:05Waxing Gibbous28Thu
29Fri8:051.26:15-0.46:535:05Waxing Gibbous29Fri
30Sat8:491.36:52-0.76:535:06Waxing Gibbous30Sat
31Sun9:331.57:35-0.86:535:07Full Moon31Sun
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 2:49 pm — 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 neap phase. Tonight's moon is 58% 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 near their weekly minimum.

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 (58% illuminated). This places Bay Saint Louis, MS in a neap tide cycle, so tidal ranges are near their weekly minimum 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