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

TIDE TIMES for Tuesday, July 7, 2026
The tide is currently falling in Southwest Pass, Mississippi River, LA.
Next low tide : in 5h 32m at 3:44 pm (0.3 ft)
Next high tide (tomorrow) : 4:54 am (1.1 ft)
Sunset today : 8:00 pm
Sunrise tomorrow : 6:05 am
Moon phase : Third Quarter (51% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Sep 2062

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri8:182.06:140.06:357:19Waning Crescent1Fri
2Sat9:291.86:570.36:367:18New Moon2Sat
3Sun10:401.67:240.66:367:16New Moon3Sun
4Mon12:041.36:520.96:377:15New Moon4Mon
5Tue11:241.35:350.76:377:14Waxing Crescent5Tue
6Wed11:521.68:040.66:387:13Waxing Crescent6Wed
7Thu10:040.46:387:12Waxing Crescent7Thu
8Fri12:311.711:340.36:397:11First Quarter8Fri
9Sat1:151.812:430.26:397:09First Quarter9Sat
10Sun2:061.91:430.26:407:08First Quarter10Sun
11Mon3:061.92:370.26:407:07First Quarter11Mon
12Tue4:161.93:280.26:417:06First Quarter12Tue
13Wed5:321.84:130.36:417:05Waxing Gibbous13Wed
14Thu6:441.84:520.46:427:03Waxing Gibbous14Thu
15Fri7:471.75:230.56:427:02Waxing Gibbous15Fri
16Sat8:431.75:420.66:437:01Waxing Gibbous16Sat
17Sun9:371.55:430.86:437:00Full Moon17Sun
18Mon10:381.411:071.15:151.06:446:58Full Moon18Mon
19Tue12:031.24:110.94:051.16:446:57Full Moon19Tue
20Wed10:541.56:000.86:456:56Waning Gibbous20Wed
21Thu11:181.77:370.66:456:55Waning Gibbous21Thu
22Fri11:551.99:100.56:466:54Waning Gibbous22Fri
23Sat10:370.36:466:52Waning Gibbous23Sat
24Sun12:422.111:550.26:476:51Third Quarter24Sun
25Mon1:392.21:060.16:476:50Third Quarter25Mon
26Tue2:492.22:110.06:486:49Third Quarter26Tue
27Wed4:092.23:100.16:486:48Third Quarter27Wed
28Thu5:382.14:020.26:496:46Waning Crescent28Thu
29Fri7:101.94:470.56:506:45Waning Crescent29Fri
30Sat8:421.75:190.86:506:44Waning Crescent30Sat
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 10:19 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 neap phase. Tonight's moon is 51% 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 minimum.

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 Third Quarter (51% illuminated). This places Southwest Pass, Mississippi River, LA in a neap tide cycle, so tidal ranges are near their weekly minimum 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