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 04m 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 - Dec 2058

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun9:031.76:49-0.36:334:59Full Moon1Sun
2Mon9:391.77:32-0.36:344:59Waning Gibbous2Mon
3Tue10:171.68:18-0.36:354:59Waning Gibbous3Tue
4Wed10:541.59:03-0.26:364:59Waning Gibbous4Wed
5Thu11:291.39:47-0.26:364:59Waning Gibbous5Thu
6Fri11:591.210:25-0.16:375:00Third Quarter6Fri
7Sat10:520.16:385:00Third Quarter7Sat
8Sun12:111.010:300.810:590.26:395:00Third Quarter8Sun
9Mon7:370.710:290.46:395:00Third Quarter9Mon
10Tue6:340.84:240.46:405:00Waning Crescent10Tue
11Wed6:211.03:150.26:415:01Waning Crescent11Wed
12Thu6:341.23:38-0.16:415:01Waning Crescent12Thu
13Fri7:011.44:13-0.36:425:01Waning Crescent13Fri
14Sat7:371.54:56-0.56:435:01New Moon14Sat
15Sun8:191.75:45-0.76:435:02New Moon15Sun
16Mon9:061.76:38-0.86:445:02New Moon16Mon
17Tue9:551.77:35-0.86:445:03Waxing Crescent17Tue
18Wed10:451.58:33-0.76:455:03Waxing Crescent18Wed
19Thu11:321.39:28-0.66:455:03Waxing Crescent19Thu
20Fri10:16-0.46:465:04First Quarter20Fri
21Sat12:141.010:48-0.26:475:04First Quarter21Sat
22Sun12:170.77:480.510:400.16:475:05First Quarter22Sun
23Mon5:590.64:140.36:475:05First Quarter23Mon
24Tue5:380.92:54-0.16:485:06Waxing Gibbous24Tue
25Wed5:551.13:25-0.36:485:07Waxing Gibbous25Wed
26Thu6:251.24:03-0.66:495:07Waxing Gibbous26Thu
27Fri7:011.34:42-0.76:495:08Waxing Gibbous27Fri
28Sat7:381.35:20-0.76:495:08Full Moon28Sat
29Sun8:161.35:58-0.76:505:09Full Moon29Sun
30Mon8:541.36:35-0.76:505:10Full Moon30Mon
31Tue9:341.27:13-0.76:505:10Full 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