Tides Today & Tomorrow in Bay Saint Louis, MS

TIDE TIMES for Monday, July 6, 2026
The tide is currently falling in Bay Saint Louis, MS.
Next low tide : in 4h 59m at 11:13 pm (0.7 ft)
Next high tide (tomorrow) : 6:34 am (1.3 ft)
Sunset today : 8:02 pm
Sunrise tomorrow : 6:01 am
Moon phase : Third Quarter (62% illuminated)
Tide Station Location : Station #8747437
Common Questions About Tides

Bay Saint Louis, MS Tides - Apr 1997

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue5:051.74:270.05:456:16Third Quarter1Tue
2Wed6:151.65:090.05:446:16Waning Crescent2Wed
3Thu7:451.45:430.15:436:17Waning Crescent3Thu
4Fri1:301.16:070.24:331.05:426:18Waning Crescent4Fri
5Sat1:301.16:230.55:560.85:416:18Waning Crescent5Sat
6Sun12:531.22:151.17:320.78:020.56:397:19New Moon6Sun
7Mon3:461.112:361.37:360.99:000.46:387:19New Moon7Mon
8Tue12:441.69:550.26:377:20New Moon8Tue
9Wed1:131.810:510.26:367:21Waxing Crescent9Wed
10Thu1:491.911:560.26:357:21Waxing Crescent10Thu
11Fri2:281.96:347:22Waxing Crescent11Fri
12Sat3:101.91:280.26:337:23Waxing Crescent12Sat
13Sun3:551.83:120.26:317:23First Quarter13Sun
14Mon4:421.74:100.36:307:24First Quarter14Mon
15Tue5:341.64:490.36:297:24First Quarter15Tue
16Wed6:331.45:200.46:287:25First Quarter16Wed
17Thu2:041.35:460.55:231.26:277:26Waxing Gibbous17Thu
18Fri1:411.26:070.66:321.06:267:26Waxing Gibbous18Fri
19Sat1:161.36:190.77:240.86:257:27Waxing Gibbous19Sat
20Sun1:031.112:351.36:150.98:070.76:247:28Waxing Gibbous20Sun
21Mon2:381.012:141.55:521.08:450.56:237:28Full Moon21Mon
22Tue12:241.79:220.46:227:29Full Moon22Tue
23Wed12:451.89:580.36:217:29Full Moon23Wed
24Thu1:131.910:390.26:207:30Full Moon24Thu
25Fri1:452.011:300.26:197:31Waning Gibbous25Fri
26Sat2:212.16:187:31Waning Gibbous26Sat
27Sun3:002.112:470.26:177:32Waning Gibbous27Sun
28Mon3:442.02:240.26:167:33Third Quarter28Mon
29Tue4:311.93:330.26:157:33Third Quarter29Tue
30Wed5:221.74:220.26:147:34Third Quarter30Wed
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 2:53 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 62% 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 Third Quarter (62% 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