Tides Today & Tomorrow in Bay Saint Louis, MS

TIDE TIMES for Sunday, August 2, 2026
The tide is currently rising in Bay Saint Louis, MS.
Next low tide : 9:31 am (1.1 ft)
Next high tide : in 5h 15m at 6:18 am (1.2 ft)
Sunset today : 7:50 pm
Sunrise tomorrow : 6:16 am
Moon phase : Waning Gibbous (84% illuminated)
Tide Station Location : Station #8747437
Common Questions About Tides

Bay Saint Louis, MS Tides - Jan 1964

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed10:31-0.96:535:07Waning Gibbous1Wed
2Thu12:181.511:10-0.76:545:08Waning Gibbous2Thu
3Fri1:001.311:35-0.56:545:08Waning Gibbous3Fri
4Sat1:391.011:47-0.36:545:09Third Quarter4Sat
5Sun2:090.79:150.511:44-0.16:545:10Third Quarter5Sun
6Mon8:150.610:270.16:545:11Third Quarter6Mon
7Tue6:100.77:160.06:545:11Third Quarter7Tue
8Wed6:340.96:19-0.26:545:12Waning Crescent8Wed
9Thu7:091.15:53-0.46:555:13Waning Crescent9Thu
10Fri7:521.26:23-0.66:555:14Waning Crescent10Fri
11Sat8:401.37:00-0.76:555:15Waning Crescent11Sat
12Sun9:291.37:39-0.86:555:15Waning Crescent12Sun
13Mon10:171.48:18-0.96:545:16New Moon13Mon
14Tue11:011.48:55-0.96:545:17New Moon14Tue
15Wed11:411.49:28-0.86:545:18New Moon15Wed
16Thu9:54-0.86:545:19New Moon16Thu
17Fri12:191.310:14-0.76:545:20Waxing Crescent17Fri
18Sat12:561.110:27-0.66:545:21Waxing Crescent18Sat
19Sun1:310.910:37-0.46:535:21Waxing Crescent19Sun
20Mon2:040.67:300.410:45-0.26:535:22First Quarter20Mon
21Tue2:140.35:300.612:120.310:31 AM0.16:535:23First Quarter21Tue
22Wed5:280.85:42-0.16:535:24First Quarter22Wed
23Thu6:001.15:18-0.46:525:25First Quarter23Thu
24Fri6:471.35:53-0.76:525:26Waxing Gibbous24Fri
25Sat7:441.46:39-0.96:515:27Waxing Gibbous25Sat
26Sun8:471.57:25-1.16:515:28Waxing Gibbous26Sun
27Mon9:471.58:09-1.16:515:28Full Moon27Mon
28Tue10:411.48:49-1.06:505:29Full Moon28Tue
29Wed11:291.39:20-0.96:505:30Full Moon29Wed
30Thu9:42-0.76:495:31Waning Gibbous30Thu
31Fri12:121.19:56-0.56:495:32Waning Gibbous31Fri
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 7:54 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 spring phase. Tonight's moon is 84% 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 maximum.

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 (84% illuminated). This places Bay Saint Louis, MS in a spring tide cycle, so tidal ranges are near their weekly maximum 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