Tides Today & Tomorrow in Bay Saint Louis, MS

TIDE TIMES for Friday, June 19, 2026
The tide is currently rising in Bay Saint Louis, MS.
Next low tide (tomorrow) : 1:21 am (0.3 ft)
Next high tide : in 2h 38m at 2:54 pm (1.9 ft)
Sunset today : 8:01 pm
Sunrise tomorrow : 5:55 am
Moon phase : Waxing Crescent (27% illuminated)
Tide Station Location : Station #8747437
Common Questions About Tides

Bay Saint Louis, MS Tides - Jan 2022

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat9:381.88:01-1.26:535:08New Moon1Sat
2Sun10:331.88:55-1.26:545:08New Moon2Sun
3Mon11:251.79:49-1.26:545:09New Moon3Mon
4Tue10:39-1.16:545:10Waxing Crescent4Tue
5Wed12:141.611:20-0.86:545:10Waxing Crescent5Wed
6Thu12:571.311:42-0.66:545:11Waxing Crescent6Thu
7Fri1:361.011:42-0.36:545:12Waxing Crescent7Fri
8Sat2:060.68:140.511:200.06:545:13First Quarter8Sat
9Sun5:440.67:400.16:545:14First Quarter9Sun
10Mon5:400.96:41-0.26:545:14First Quarter10Mon
11Tue6:091.16:06-0.46:545:15First Quarter11Tue
12Wed6:481.25:51-0.66:545:16Waxing Gibbous12Wed
13Thu7:341.36:19-0.76:545:17Waxing Gibbous13Thu
14Fri8:271.36:57-0.86:545:18Waxing Gibbous14Fri
15Sat9:221.37:37-0.96:545:19Waxing Gibbous15Sat
16Sun10:131.48:17-0.96:545:20Full Moon16Sun
17Mon10:591.48:54-0.96:545:20Full Moon17Mon
18Tue11:401.39:26-0.96:535:21Full Moon18Tue
19Wed9:50-0.86:535:22Full Moon19Wed
20Thu12:161.210:04-0.76:535:23Waning Gibbous20Thu
21Fri12:491.110:09-0.56:525:24Waning Gibbous21Fri
22Sat1:200.810:10-0.36:525:25Waning Gibbous22Sat
23Sun1:470.55:580.510:10-0.16:525:26Waning Gibbous23Sun
24Mon4:450.79:340.16:515:27Third Quarter24Mon
25Tue4:591.04:55-0.26:515:27Third Quarter25Tue
26Wed5:331.24:54-0.56:505:28Third Quarter26Wed
27Thu6:211.45:36-0.86:505:29Waning Crescent27Thu
28Fri7:211.56:27-1.06:505:30Waning Crescent28Fri
29Sat8:291.67:18-1.26:495:31Waning Crescent29Sat
30Sun9:351.68:06-1.26:485:32New Moon30Sun
31Mon10:341.68:50-1.26:485:33New 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 8:07 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 27% 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 Waxing Crescent (27% 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