Tides Today & Tomorrow in Bay Saint Louis, MS

TIDE TIMES for Saturday, August 8, 2026
The tide is currently rising in Bay Saint Louis, MS.
Next low tide : 7:50 pm (-0.2 ft)
Next high tide : in 1h 40m at 7:11 am (2.4 ft)
Sunset today : 7:45 pm
Sunrise tomorrow : 6:20 am
Moon phase : Waning Crescent (22% illuminated)
Tide Station Location : Station #8747437
Common Questions About Tides

Bay Saint Louis, MS Tides - Dec 1952

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon10:252.08:30-0.56:364:56Full Moon1Mon
2Tue11:111.99:15-0.56:374:56Full Moon2Tue
3Wed11:561.910:02-0.56:384:56Waning Gibbous3Wed
4Thu10:49-0.46:384:56Waning Gibbous4Thu
5Fri12:381.711:33-0.36:394:56Waning Gibbous5Fri
6Sat1:181.612:10-0.26:404:56Waning Gibbous6Sat
7Sun1:531.412:38-0.16:414:56Third Quarter7Sun
8Mon2:171.111:050.912:480.16:414:56Third Quarter8Mon
9Tue9:090.812:040.36:424:57Third Quarter9Tue
10Wed7:170.98:200.46:434:57Third Quarter10Wed
11Thu7:021.15:430.16:434:57Waning Crescent11Thu
12Fri7:221.35:54-0.26:444:57Waning Crescent12Fri
13Sat7:581.56:27-0.46:454:58Waning Crescent13Sat
14Sun8:431.77:06-0.66:454:58Waning Crescent14Sun
15Mon9:331.87:50-0.76:464:58New Moon15Mon
16Tue10:241.98:37-0.96:474:59New Moon16Tue
17Wed11:131.99:25-0.96:474:59New Moon17Wed
18Thu10:14-0.96:484:59New Moon18Thu
19Fri12:001.911:00-0.96:485:00Waxing Crescent19Fri
20Sat12:451.711:39-0.76:495:00Waxing Crescent20Sat
21Sun1:281.412:01-0.46:495:01Waxing Crescent21Sun
22Mon2:081.08:440.612:01-0.16:505:01First Quarter22Mon
23Tue2:340.68:030.711:310.26:505:02First Quarter23Tue
24Wed5:460.96:170.16:515:02First Quarter24Wed
25Thu6:041.25:56-0.36:515:03Waxing Gibbous25Thu
26Fri6:451.46:10-0.66:525:04Waxing Gibbous26Fri
27Sat7:341.56:43-0.86:525:04Waxing Gibbous27Sat
28Sun8:291.67:20-0.96:525:05Waxing Gibbous28Sun
29Mon9:241.67:58-0.96:535:05Full Moon29Mon
30Tue10:161.58:34-0.96:535:06Full Moon30Tue
31Wed9:07-0.86:535:07Full Moon31Wed
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 1:30 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 transitional phase. Tonight's moon is 22% 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 Crescent (22% 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