Tides Today & Tomorrow in Bay Saint Louis, MS

TIDE TIMES for Sunday, July 5, 2026
The tide is currently falling in Bay Saint Louis, MS.
Next low tide : in 5h 30m at 11:32 pm (0.5 ft)
Next high tide (tomorrow) : 8:21 am (1.2 ft)
Sunset today : 8:03 pm
Sunrise tomorrow : 6:00 am
Moon phase : Waning Gibbous (72% illuminated)
Tide Station Location : Station #8747437
Common Questions About Tides

Bay Saint Louis, MS Tides - Oct 2050

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat12:011.88:440.76:516:42Full Moon1Sat
2Sun12:212.19:440.66:516:41Waning Gibbous2Sun
3Mon12:562.310:460.66:526:40Waning Gibbous3Mon
4Tue1:362.412:030.66:526:38Waning Gibbous4Tue
5Wed2:212.42:170.66:536:37Waning Gibbous5Wed
6Thu3:092.33:590.66:546:36Third Quarter6Thu
7Fri4:012.24:510.76:546:35Third Quarter7Fri
8Sat4:582.15:220.86:556:34Third Quarter8Sat
9Sun5:591.95:370.96:556:33Waning Crescent9Sun
10Mon7:101.75:501.06:566:31Waning Crescent10Mon
11Tue1:241.58:51 AM1.64:521.46:031.16:576:30Waning Crescent11Tue
12Wed1:021.512:371.56:031.26:121.26:576:29Waning Crescent12Wed
13Thu12:161.61:591.47:001.06:061.36:586:28Waning Crescent13Thu
14Fri11:371.97:480.96:596:27New Moon14Fri
15Sat11:592.08:310.76:596:26New Moon15Sat
16Sun9:120.67:006:25New Moon16Sun
17Mon12:272.19:510.67:016:24New Moon17Mon
18Tue12:582.210:350.57:016:22Waxing Crescent18Tue
19Wed1:332.211:300.57:026:21Waxing Crescent19Wed
20Thu2:112.312:590.57:036:20Waxing Crescent20Thu
21Fri2:532.22:340.57:036:19First Quarter21Fri
22Sat3:402.23:340.57:046:18First Quarter22Sat
23Sun4:342.04:180.57:056:17First Quarter23Sun
24Mon5:361.84:490.67:056:16First Quarter24Mon
25Tue6:551.65:090.87:066:15Waxing Gibbous25Tue
26Wed12:351.412:021.44:501.25:191.07:076:15Waxing Gibbous26Wed
27Thu12:251.51:501.46:090.95:191.37:086:14Waxing Gibbous27Thu
28Fri10:401.87:140.67:086:13Full Moon28Fri
29Sat11:092.18:120.47:096:12Full Moon29Sat
30Sun11:472.29:060.27:106:11Full Moon30Sun
31Mon9:590.17:116:10Full Moon31Mon
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 3:56 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 72% 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 Waning Gibbous (72% 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