Tides Today & Tomorrow in Bay Saint Louis, MS

TIDE TIMES for Saturday, August 8, 2026
The tide is currently falling in Bay Saint Louis, MS.
Next low tide : in 8h 54m at 7:50 pm (-0.2 ft)
Next high tide (tomorrow) : 8:25 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 - Aug 2096

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed9:522.29:100.06:167:50Waxing Gibbous1Wed
2Thu10:532.39:440.06:177:49Full Moon2Thu
3Fri11:442.310:110.06:187:49Full Moon3Fri
4Sat12:282.310:310.16:187:48Full Moon4Sat
5Sun1:092.210:430.26:197:47Full Moon5Sun
6Mon1:492.110:490.46:197:46Waning Gibbous6Mon
7Tue2:291.810:510.76:207:45Waning Gibbous7Tue
8Wed6:521.23:121.510:091.110:480.96:217:44Waning Gibbous8Wed
9Thu4:441.43:541.111:531.06:181.16:217:43Third Quarter9Thu
10Fri4:421.75:210.86:227:42Third Quarter10Fri
11Sat5:122.05:580.46:227:42Third Quarter11Sat
12Sun5:572.26:490.26:237:41Third Quarter12Sun
13Mon6:532.37:400.06:247:40Waning Crescent13Mon
14Tue8:002.48:28-0.16:247:39Waning Crescent14Tue
15Wed9:162.49:090.06:257:38Waning Crescent15Wed
16Thu10:312.49:400.16:257:37New Moon16Thu
17Fri11:312.39:590.26:267:36New Moon17Fri
18Sat12:202.210:060.46:267:34New Moon18Sat
19Sun1:032.010:110.76:277:33New Moon19Sun
20Mon1:441.810:120.96:287:32Waxing Crescent20Mon
21Tue5:531.32:281.69:351.210:051.16:287:31Waxing Crescent21Tue
22Wed3:181.53:181.310:441.19:301.26:297:30Waxing Crescent22Wed
23Thu3:321.712:141.06:297:29Waxing Crescent23Thu
24Fri3:571.92:550.96:307:28First Quarter24Fri
25Sat4:292.04:410.76:307:27First Quarter25Sat
26Sun5:092.15:460.66:317:26First Quarter26Sun
27Mon5:592.26:410.46:327:24First Quarter27Mon
28Tue7:012.27:280.36:327:23Waxing Gibbous28Tue
29Wed8:142.28:080.36:337:22Waxing Gibbous29Wed
30Thu9:312.38:410.36:337:21Waxing Gibbous30Thu
31Fri10:392.39:060.36:347:20Waxing 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 2:07 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 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