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 18m 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 - Aug 1998

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat6:231.77:040.66:157:51First Quarter1Sat
2Sun7:071.87:270.46:167:50Waxing Gibbous2Sun
3Mon8:001.97:580.36:167:49Waxing Gibbous3Mon
4Tue9:012.08:300.26:177:49Waxing Gibbous4Tue
5Wed10:032.19:000.16:187:48Waxing Gibbous5Wed
6Thu10:592.29:260.16:187:47Full Moon6Thu
7Fri11:492.29:490.26:197:46Full Moon7Fri
8Sat12:342.210:080.36:207:45Full Moon8Sat
9Sun1:182.010:230.56:207:44Full Moon9Sun
10Mon2:001.910:350.76:217:44Waning Gibbous10Mon
11Tue6:451.22:421.69:281.110:440.96:217:43Waning Gibbous11Tue
12Wed6:291.33:181.310:481.110:431.16:227:42Waning Gibbous12Wed
13Thu4:151.53:291.012:481.06:237:41Third Quarter13Thu
14Fri4:431.76:090.76:237:40Third Quarter14Fri
15Sat5:261.96:450.56:247:39Third Quarter15Sat
16Sun6:182.07:260.36:247:38Waning Crescent16Sun
17Mon7:182.18:040.36:257:37Waning Crescent17Mon
18Tue8:252.18:350.36:267:36Waning Crescent18Tue
19Wed9:382.18:550.46:267:35Waning Crescent19Wed
20Thu10:442.19:060.56:277:34New Moon20Thu
21Fri11:382.09:170.66:277:33New Moon21Fri
22Sat12:242.09:310.76:287:31New Moon22Sat
23Sun1:071.89:450.86:287:30New Moon23Sun
24Mon5:411.31:501.78:471.29:551.06:297:29Waxing Crescent24Mon
25Tue3:151.42:341.59:401.29:571.16:307:28Waxing Crescent25Tue
26Wed3:111.53:221.410:311.19:411.26:307:27Waxing Crescent26Wed
27Thu3:331.711:421.16:317:26Waxing Crescent27Thu
28Fri4:021.83:251.06:317:25First Quarter28Fri
29Sat4:371.95:070.96:327:24First Quarter29Sat
30Sun5:192.05:590.76:327:22First Quarter30Sun
31Mon6:102.06:430.66:337:21First Quarter31Mon
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