Tides Today & Tomorrow in Bay Saint Louis, MS

TIDE TIMES for Saturday, August 1, 2026
The tide is currently rising in Bay Saint Louis, MS.
Next low tide : 10:21 pm (0.6 ft)
Next high tide : in 3m at 2:02 pm (1.8 ft)
Sunset today : 7:51 pm
Sunrise tomorrow : 6:15 am
Moon phase : Waning Gibbous (91% illuminated)
Tide Station Location : Station #8747437
Common Questions About Tides

Bay Saint Louis, MS Tides - Nov 1964

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun12:131.412:301.35:111.04:501.16:115:09Waning Crescent1Sun
2Mon10:101.76:170.76:125:09New Moon2Mon
3Tue10:281.97:090.56:135:08New Moon3Tue
4Wed10:562.07:540.36:145:07New Moon4Wed
5Thu11:282.18:370.26:155:06New Moon5Thu
6Fri9:200.26:155:06Waxing Crescent6Fri
7Sat12:012.110:100.26:165:05Waxing Crescent7Sat
8Sun12:362.111:150.26:175:04Waxing Crescent8Sun
9Mon1:122.012:380.26:185:04Waxing Crescent9Mon
10Tue1:511.91:510.26:195:03First Quarter10Tue
11Wed2:331.82:430.26:195:02First Quarter11Wed
12Thu3:191.73:210.36:205:02First Quarter12Thu
13Fri4:111.53:450.46:215:01First Quarter13Fri
14Sat12:531.311:401.22:531.33:540.56:225:01Waxing Gibbous14Sat
15Sun7:351.111:091.24:311.03:470.76:235:00Waxing Gibbous15Sun
16Mon12:031.05:260.73:350.96:245:00Waxing Gibbous16Mon
17Tue9:491.56:140.46:244:59Waxing Gibbous17Tue
18Wed10:071.87:020.16:254:59Full Moon18Wed
19Thu10:382.07:51-0.16:264:59Full Moon19Thu
20Fri11:172.18:45-0.36:274:58Full Moon20Fri
21Sat9:46-0.46:284:58Waning Gibbous21Sat
22Sun12:002.211:00-0.46:294:58Waning Gibbous22Sun
23Mon12:472.212:30-0.46:304:57Waning Gibbous23Mon
24Tue1:362.01:48-0.36:304:57Third Quarter24Tue
25Wed2:261.82:39-0.16:314:57Third Quarter25Wed
26Thu3:171.53:020.16:324:57Third Quarter26Thu
27Fri4:071.211:121.03:020.36:334:56Third Quarter27Fri
28Sat10:491.02:510.66:344:56Waning Crescent28Sat
29Sun9:091.17:440.56:344:56Waning Crescent29Sun
30Mon8:441.46:040.26:354:56Waning Crescent30Mon
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 6:11 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 spring phase. Tonight's moon is 91% 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 Waning Gibbous (91% 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