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

TIDE TIMES for Friday, June 19, 2026
The tide is currently falling in Southwest Pass, Mississippi River, LA.
Next low tide : in 6h 24m at 10:57 pm (0.1 ft)
Next high tide (tomorrow) : 12:51 pm (1.0 ft)
Sunset today : 7:58 pm
Sunrise tomorrow : 5:59 am
Moon phase : Waxing Crescent (27% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Apr 2016

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri4:061.21:50-0.16:467:16Third Quarter1Fri
2Sat5:351.22:38-0.16:457:16Waning Crescent2Sat
3Sun7:151.13:220.06:447:17Waning Crescent3Sun
4Mon8:561.04:010.26:437:17Waning Crescent4Mon
5Tue11:320.610:430.94:300.32:410.56:417:18Waning Crescent5Tue
6Wed10:280.74:370.64:290.36:407:19New Moon6Wed
7Thu1:070.810:08 AM0.93:440.75:550.26:397:19New Moon7Thu
8Fri10:191.17:160.06:387:20New Moon8Fri
9Sat10:491.38:36-0.16:377:20Waxing Crescent9Sat
10Sun11:301.59:55-0.26:367:21Waxing Crescent10Sun
11Mon12:151.511:10-0.26:357:21Waxing Crescent11Mon
12Tue1:041.56:347:22First Quarter12Tue
13Wed1:561.412:18-0.16:337:23First Quarter13Wed
14Thu2:511.31:170.06:327:23First Quarter14Thu
15Fri3:551.12:040.16:307:24First Quarter15Fri
16Sat5:361.02:390.36:297:24Waxing Gibbous16Sat
17Sun7:560.82:580.46:287:25Waxing Gibbous17Sun
18Mon10:370.810:050.82:560.53:480.66:277:25Waxing Gibbous18Mon
19Tue9:500.92:260.74:400.56:267:26Waxing Gibbous19Tue
20Wed9:351.05:250.46:257:27Full Moon20Wed
21Thu9:371.16:070.36:247:27Full Moon21Thu
22Fri9:501.26:480.26:237:28Full Moon22Fri
23Sat10:101.37:320.16:227:28Full Moon23Sat
24Sun10:361.48:190.16:217:29Waning Gibbous24Sun
25Mon11:071.59:090.16:217:30Waning Gibbous25Mon
26Tue11:421.510:030.06:207:30Waning Gibbous26Tue
27Wed12:201.510:570.06:197:31Waning Gibbous27Wed
28Thu1:031.511:500.16:187:31Third Quarter28Thu
29Fri1:511.46:177:32Third Quarter29Fri
30Sat2:491.312:400.16:167:33Third Quarter30Sat
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 5:54 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 transitional phase. Tonight's moon is 27% 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 Waxing Crescent (27% 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