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

TIDE TIMES for Friday, July 3, 2026
The tide is currently rising in Southwest Pass, Mississippi River, LA.
Next low tide (tomorrow) : 9:22 pm (0.1 ft)
Next high tide (tomorrow) : in 13h 46m at 11:47 am (1.2 ft)
Sunset today : 8:00 pm
Sunrise tomorrow : 6:03 am
Moon phase : Waning Gibbous (88% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Feb 1997

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat3:550.71:54-0.46:455:36Third Quarter1Sat
2Sun4:430.82:21-0.56:455:37Waning Crescent2Sun
3Mon5:370.92:59-0.76:445:38Waning Crescent3Mon
4Tue6:341.03:41-0.86:445:39Waning Crescent4Tue
5Wed7:321.14:27-0.96:435:40Waning Crescent5Wed
6Thu8:291.05:13-0.86:425:40New Moon6Thu
7Fri9:270.95:58-0.76:425:41New Moon7Fri
8Sat10:250.76:38-0.56:415:42New Moon8Sat
9Sun11:250.57:07-0.36:405:43Waxing Crescent9Sun
10Mon2:060.17:06-0.14:510.16:395:43Waxing Crescent10Mon
11Tue12:400.21:100.35:510.19:240.06:395:44Waxing Crescent11Tue
12Wed1:230.56:385:45First Quarter12Wed
13Thu2:010.712:03-0.26:375:46First Quarter13Thu
14Fri2:520.81:09-0.46:365:47First Quarter14Fri
15Sat3:500.81:59-0.56:355:47First Quarter15Sat
16Sun4:510.92:44-0.66:355:48Waxing Gibbous16Sun
17Mon5:500.93:24-0.66:345:49Waxing Gibbous17Mon
18Tue6:450.84:00-0.56:335:49Waxing Gibbous18Tue
19Wed7:350.84:31-0.56:325:50Waxing Gibbous19Wed
20Thu8:190.84:58-0.46:315:51Full Moon20Thu
21Fri9:000.75:20-0.36:305:52Full Moon21Fri
22Sat9:400.65:34-0.26:295:52Full Moon22Sat
23Sun10:190.55:37-0.16:285:53Full Moon23Sun
24Mon12:200.25:260.03:260.26:275:54Waning Gibbous24Mon
25Tue11:580.311:540.34:580.15:290.16:265:54Waning Gibbous25Tue
26Wed12:040.54:040.27:430.16:255:55Waning Gibbous26Wed
27Thu12:260.610:160.06:245:56Waning Gibbous27Thu
28Fri1:010.711:42-0.26:235:56Third Quarter28Fri
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 spring phase. Tonight's moon is 88% 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 Waning Gibbous (88% 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