Tides Today & Tomorrow in Bay Saint Louis, MS

TIDE TIMES for Thursday, July 30, 2026
The tide is currently falling in Bay Saint Louis, MS.
Next low tide : in 4h 49m at 10:27 pm (0.2 ft)
Next high tide (tomorrow) : 1:26 pm (2.0 ft)
Sunset today : 7:52 pm
Sunrise tomorrow : 6:14 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #8747437
Common Questions About Tides

Bay Saint Louis, MS Tides - May 1968

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed2:032.26:137:35Waxing Crescent1Wed
2Thu2:422.21:250.16:127:35Waxing Crescent2Thu
3Fri3:232.22:490.06:117:36Waxing Crescent3Fri
4Sat4:052.13:440.06:107:37First Quarter4Sat
5Sun4:491.94:240.16:107:37First Quarter5Sun
6Mon5:341.74:500.26:097:38First Quarter6Mon
7Tue6:341.45:050.36:087:39Waxing Gibbous7Tue
8Wed12:591.35:090.66:251.06:077:39Waxing Gibbous8Wed
9Thu12:131.112:091.45:030.97:180.66:067:40Waxing Gibbous9Thu
10Fri10:571.68:060.26:067:41Waxing Gibbous10Fri
11Sat11:012.08:56-0.16:057:41Full Moon11Sat
12Sun11:302.39:50-0.36:047:42Full Moon12Sun
13Mon12:102.510:53-0.46:047:43Full Moon13Mon
14Tue12:552.66:037:43Waning Gibbous14Tue
15Wed1:442.612:13-0.46:027:44Waning Gibbous15Wed
16Thu2:332.51:48-0.36:027:44Waning Gibbous16Thu
17Fri3:222.33:04-0.26:017:45Third Quarter17Fri
18Sat4:082.03:550.06:017:46Third Quarter18Sat
19Sun4:481.74:220.26:007:46Third Quarter19Sun
20Mon5:131.34:190.56:007:47Third Quarter20Mon
21Tue12:181.44:040.710:010.95:597:48Waning Crescent21Tue
22Wed1:220.911:38 AM1.43:240.98:510.65:597:48Waning Crescent22Wed
23Thu10:161.67:540.45:587:49Waning Crescent23Thu
24Fri10:191.98:210.25:587:49Waning Crescent24Fri
25Sat10:442.08:550.05:577:50New Moon25Sat
26Sun11:172.19:33-0.15:577:51New Moon26Sun
27Mon11:532.210:15-0.15:577:51New Moon27Mon
28Tue12:312.211:03-0.15:567:52New Moon28Tue
29Wed1:112.311:57-0.15:567:52Waxing Crescent29Wed
30Thu1:502.35:567:53Waxing Crescent30Thu
31Fri2:272.212:53-0.15:557:54Waxing Crescent31Fri
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 5:56 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 spring phase. Tonight's moon is 99% 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 Full Moon (99% 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