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

TIDE TIMES for Sunday, July 5, 2026
The tide is currently rising in Southwest Pass, Mississippi River, LA.
Next low tide : 9:06 pm (0.3 ft)
Next high tide : in 8h 07m at 12:03 pm (1.0 ft)
Sunset today : 8:00 pm
Sunrise tomorrow : 6:04 am
Moon phase : Waning Gibbous (72% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Jan 1995

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun8:521.36:08-0.86:515:11New Moon1Sun
2Mon9:381.26:54-0.76:515:12New Moon2Mon
3Tue10:191.07:35-0.66:515:12Waxing Crescent3Tue
4Wed10:500.78:04-0.46:515:13Waxing Crescent4Wed
5Thu10:560.58:11-0.26:515:14Waxing Crescent5Thu
6Fri7:010.37:400.06:525:14First Quarter6Fri
7Sat4:190.46:100.06:525:15First Quarter7Sat
8Sun4:060.53:40-0.16:525:16First Quarter8Sun
9Mon4:240.72:50-0.26:525:17First Quarter9Mon
10Tue4:550.82:59-0.46:525:18Waxing Gibbous10Tue
11Wed5:320.93:23-0.56:525:18Waxing Gibbous11Wed
12Thu6:120.93:52-0.66:525:19Waxing Gibbous12Thu
13Fri6:521.04:24-0.66:525:20Waxing Gibbous13Fri
14Sat7:321.04:57-0.76:525:21Waxing Gibbous14Sat
15Sun8:111.05:28-0.76:525:22Full Moon15Sun
16Mon8:470.95:57-0.66:515:22Full Moon16Mon
17Tue9:230.96:23-0.66:515:23Full Moon17Tue
18Wed9:570.76:44-0.56:515:24Full Moon18Wed
19Thu10:320.67:00-0.46:515:25Waning Gibbous19Thu
20Fri11:010.47:05-0.36:515:26Waning Gibbous20Fri
21Sat3:400.26:49-0.17:460.26:505:27Waning Gibbous21Sat
22Sun2:510.35:430.06:505:27Third Quarter22Sun
23Mon2:590.51:45-0.16:505:28Third Quarter23Mon
24Tue3:320.71:26-0.46:495:29Third Quarter24Tue
25Wed4:190.92:03-0.66:495:30Third Quarter25Wed
26Thu5:151.02:48-0.86:495:31Waning Crescent26Thu
27Fri6:141.13:36-0.96:485:32Waning Crescent27Fri
28Sat7:121.14:24-0.96:485:33Waning Crescent28Sat
29Sun8:081.05:10-0.96:475:33New Moon29Sun
30Mon9:000.95:51-0.86:475:34New Moon30Mon
31Tue9:480.76:26-0.66:465:35New Moon31Tue
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 4:34 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 transitional phase. Tonight's moon is 72% 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 shifting between spring and neap.

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 Waning Gibbous (72% illuminated). This places Southwest Pass, Mississippi River, LA in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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