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

TIDE TIMES for Sunday, July 26, 2026
The tide is currently falling in Southwest Pass, Mississippi River, LA.
Next low tide : in 3h 09m at 5:56 pm (-0.3 ft)
Next high tide (tomorrow) : 8:11 am (1.6 ft)
Sunset today : 7:53 pm
Sunrise tomorrow : 6:15 am
Moon phase : Waxing Gibbous (92% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Sep 1967

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri7:111.95:220.06:357:20Waning Crescent1Fri
2Sat8:131.96:040.06:357:19Waning Crescent2Sat
3Sun9:141.96:440.26:367:18New Moon3Sun
4Mon10:171.77:170.56:367:16New Moon4Mon
5Tue11:291.57:260.86:377:15New Moon5Tue
6Wed12:560.91:161.24:160.86:151.06:377:14Waxing Crescent6Wed
7Thu7:240.76:387:13Waxing Crescent7Thu
8Fri12:011.59:520.46:387:12Waxing Crescent8Fri
9Sat12:421.811:390.26:397:10First Quarter9Sat
10Sun1:342.012:590.06:397:09First Quarter10Sun
11Mon2:362.12:070.06:407:08First Quarter11Mon
12Tue3:462.13:080.06:407:07First Quarter12Tue
13Wed5:042.04:020.06:417:06Waxing Gibbous13Wed
14Thu6:221.94:500.26:417:04Waxing Gibbous14Thu
15Fri7:341.85:290.36:427:03Waxing Gibbous15Fri
16Sat8:361.75:560.56:427:02Waxing Gibbous16Sat
17Sun9:321.66:060.76:437:01Full Moon17Sun
18Mon10:271.45:530.96:437:00Full Moon18Mon
19Tue12:101.011:131.23:231.05:051.16:446:58Full Moon19Tue
20Wed11:041.45:240.96:446:57Full Moon20Wed
21Thu11:151.56:580.86:456:56Waning Gibbous21Thu
22Fri11:391.78:250.76:456:55Waning Gibbous22Fri
23Sat9:500.66:466:54Waning Gibbous23Sat
24Sun12:131.811:080.56:466:52Waning Gibbous24Sun
25Mon12:561.912:180.46:476:51Third Quarter25Mon
26Tue1:501.91:190.36:476:50Third Quarter26Tue
27Wed2:552.02:150.36:486:49Third Quarter27Wed
28Thu4:102.03:050.26:486:48Third Quarter28Thu
29Fri5:302.03:520.36:496:46Waning Crescent29Fri
30Sat6:521.94:340.46:506:45Waning 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 1:03 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 Southwest Pass, Mississippi River, LA?

Southwest Pass, Mississippi River, LA is currently in a spring phase. Tonight's moon is 92% 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 Waxing Gibbous (92% 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