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 8h 44m 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 - May 2016

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun4:211.11:230.26:157:33Third Quarter1Sun
2Mon11:320.97:240.91:570.41:440.86:147:34Waning Crescent2Mon
3Tue9:410.910:480.82:130.63:290.66:147:34Waning Crescent3Tue
4Wed9:011.01:390.84:350.36:137:35Waning Crescent4Wed
5Thu8:551.25:360.16:127:36New Moon5Thu
6Fri9:121.56:37-0.16:117:36New Moon6Fri
7Sat9:441.67:38-0.26:107:37New Moon7Sat
8Sun10:231.78:39-0.26:107:38Waxing Crescent8Sun
9Mon11:051.79:39-0.26:097:38Waxing Crescent9Mon
10Tue11:481.710:36-0.16:087:39Waxing Crescent10Tue
11Wed12:281.611:260.06:087:39Waxing Crescent11Wed
12Thu1:041.46:077:40First Quarter12Thu
13Fri1:251.212:070.26:067:41First Quarter13Fri
14Sat12:531.012:320.36:067:41First Quarter14Sat
15Sun10:340.912:360.56:057:42First Quarter15Sun
16Mon9:111.012:040.65:150.66:057:42Waxing Gibbous16Mon
17Tue8:351.05:050.46:047:43Waxing Gibbous17Tue
18Wed8:261.25:250.36:047:44Waxing Gibbous18Wed
19Thu8:331.35:530.26:037:44Waxing Gibbous19Thu
20Fri8:501.46:240.16:037:45Full Moon20Fri
21Sat9:131.56:580.06:027:45Full Moon21Sat
22Sun9:401.57:34-0.16:027:46Full Moon22Sun
23Mon10:101.68:12-0.16:017:47Full Moon23Mon
24Tue10:431.68:52-0.16:017:47Waning Gibbous24Tue
25Wed11:181.69:34-0.16:017:48Waning Gibbous25Wed
26Thu11:531.510:160.06:007:48Waning Gibbous26Thu
27Fri12:291.410:550.06:007:49Third Quarter27Fri
28Sat1:001.311:290.26:007:49Third Quarter28Sat
29Sun12:591.111:490.35:597:50Third Quarter29Sun
30Mon9:490.911:330.55:597:51Third Quarter30Mon
31Tue8:210.94:020.55:597:51Waning Crescent31Tue
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