Tides Today & Tomorrow in Southwest Pass, Mississippi River, LA

TIDE TIMES for Tuesday, July 28, 2026
The tide is currently rising in Southwest Pass, Mississippi River, LA.
Next low tide : 7:08 pm (-0.2 ft)
Next high tide : in 1h 18m at 8:55 am (1.6 ft)
Sunset today : 7:51 pm
Sunrise tomorrow : 6:16 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Dec 2082

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue6:141.43:440.16:344:59Waxing Gibbous1Tue
2Wed6:391.54:14-0.16:344:59Waxing Gibbous2Wed
3Thu7:101.64:48-0.26:354:59Full Moon3Thu
4Fri7:461.65:25-0.36:364:59Full Moon4Fri
5Sat8:241.66:06-0.46:374:59Full Moon5Sat
6Sun9:041.66:48-0.46:375:00Full Moon6Sun
7Mon9:441.67:32-0.46:385:00Waning Gibbous7Mon
8Tue10:231.68:14-0.46:395:00Waning Gibbous8Tue
9Wed11:001.48:53-0.36:395:00Waning Gibbous9Wed
10Thu11:361.29:28-0.26:405:00Waning Gibbous10Thu
11Fri11:590.99:54-0.16:415:01Third Quarter11Fri
12Sat8:460.69:570.16:415:01Third Quarter12Sat
13Sun5:430.78:480.46:425:01Third Quarter13Sun
14Mon5:031.02:130.26:435:01Waning Crescent14Mon
15Tue5:141.32:37-0.26:435:02Waning Crescent15Tue
16Wed5:491.53:21-0.56:445:02Waning Crescent16Wed
17Thu6:351.74:11-0.86:445:03Waning Crescent17Thu
18Fri7:271.85:05-0.96:455:03New Moon18Fri
19Sat8:211.86:01-1.06:465:03New Moon19Sat
20Sun9:131.76:56-0.96:465:04New Moon20Sun
21Mon10:021.57:50-0.86:475:04Waxing Crescent21Mon
22Tue10:451.38:37-0.66:475:05Waxing Crescent22Tue
23Wed11:181.09:14-0.46:475:05Waxing Crescent23Wed
24Thu11:290.79:30-0.26:485:06Waxing Crescent24Thu
25Fri9:350.59:050.06:485:07First Quarter25Fri
26Sat5:110.57:180.26:495:07First Quarter26Sat
27Sun4:230.73:330.16:495:08First Quarter27Sun
28Mon4:270.82:44-0.26:495:08First Quarter28Mon
29Tue4:521.02:58-0.46:505:09Waxing Gibbous29Tue
30Wed5:271.13:26-0.56:505:10Waxing Gibbous30Wed
31Thu6:091.24:00-0.76:505:10Waxing Gibbous31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8760959)

Common Questions About Southwest Pass, Mississippi River, LA Tides

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What time does the tide turn (slack tide) in Southwest Pass, Mississippi River, LA today?

Slack tide in Southwest Pass, Mississippi River, LA is approximately 2:01 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 Southwest Pass, Mississippi River, LA?

Southwest Pass, Mississippi River, LA 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 Southwest Pass, Mississippi River, LA 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 Southwest Pass, Mississippi River, LA?

Tide predictions for Southwest Pass, Mississippi River, LA 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 Southwest Pass, Mississippi River, LA?

Tide data for Southwest Pass, Mississippi River, LA is sourced from NOAA Station #8760959. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8760959.

What is the moon phase in Southwest Pass, Mississippi River, LA tonight?

Tonight the moon over Southwest Pass, Mississippi River, LA is Full Moon (99% illuminated). This places Southwest Pass, Mississippi River, LA 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