Tides Today & Tomorrow in Bay Saint Louis, MS

TIDE TIMES for Wednesday, July 15, 2026
The tide is currently rising in Bay Saint Louis, MS.
Next low tide : 11:23 pm (-0.2 ft)
Next high tide : in 2h 19m at 12:43 pm (2.4 ft)
Sunset today : 8:00 pm
Sunrise tomorrow : 6:05 am
Moon phase : New Moon (2% illuminated)
Tide Station Location : Station #8747437
Common Questions About Tides

Bay Saint Louis, MS Tides - Dec 1985

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun12:381.911:52-0.36:364:56Waning Gibbous1Sun
2Mon1:171.812:44-0.36:374:56Waning Gibbous2Mon
3Tue1:561.71:21-0.36:384:56Third Quarter3Tue
4Wed2:341.51:44-0.16:384:56Third Quarter4Wed
5Thu3:091.210:570.91:570.06:394:56Third Quarter5Thu
6Fri10:110.92:020.36:404:56Third Quarter6Fri
7Sat11:250.68:331.05:040.41:530.56:414:56Waning Crescent7Sat
8Sun8:091.35:390.06:414:56Waning Crescent8Sun
9Mon8:351.66:26-0.46:424:57Waning Crescent9Mon
10Tue9:171.87:18-0.76:434:57New Moon10Tue
11Wed10:042.08:12-0.96:434:57New Moon11Wed
12Thu10:542.09:10-0.96:444:57New Moon12Thu
13Fri11:442.010:12-0.96:454:58Waxing Crescent13Fri
14Sat11:17-0.86:454:58Waxing Crescent14Sat
15Sun12:331.812:18-0.76:464:58Waxing Crescent15Sun
16Mon1:191.612:57-0.56:474:59Waxing Crescent16Mon
17Tue2:011.31:12-0.26:474:59First Quarter17Tue
18Wed2:381.010:210.71:110.06:484:59First Quarter18Wed
19Thu9:250.712:460.26:485:00First Quarter19Thu
20Fri7:170.87:540.26:495:00First Quarter20Fri
21Sat7:111.16:370.06:495:01Waxing Gibbous21Sat
22Sun7:371.25:54-0.36:505:01Waxing Gibbous22Sun
23Mon8:121.46:25-0.56:505:02Waxing Gibbous23Mon
24Tue8:541.57:04-0.76:515:02Waxing Gibbous24Tue
25Wed9:391.57:45-0.86:515:03Full Moon25Wed
26Thu10:251.58:28-0.86:525:03Full Moon26Thu
27Fri11:091.69:11-0.86:525:04Full Moon27Fri
28Sat11:501.59:52-0.86:525:05Full Moon28Sat
29Sun10:28-0.86:535:05Waning Gibbous29Sun
30Mon12:281.510:57-0.76:535:06Waning Gibbous30Mon
31Tue1:041.311:17-0.66:535:07Waning Gibbous31Tue
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 6:03 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 spring phase. Tonight's moon is 2% 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 New Moon (2% 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