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

TIDE TIMES for Friday, June 19, 2026
The tide is currently rising in Southwest Pass, Mississippi River, LA.
Next low tide : 10:57 pm (0.1 ft)
Next high tide : in 3h 06m at 12:40 pm (1.3 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 - Sep 2016

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu10:171.46:340.66:357:19New Moon1Thu
2Fri11:031.36:240.86:367:17New Moon2Fri
3Sat1:110.911:51 AM1.13:540.95:520.96:367:16Waxing Crescent3Sat
4Sun12:331.112:531.06:000.94:480.96:377:15Waxing Crescent4Sun
5Mon12:311.28:000.86:377:14Waxing Crescent5Mon
6Tue12:481.310:180.76:387:13Waxing Crescent6Tue
7Wed1:171.412:030.66:387:12First Quarter7Wed
8Thu1:571.51:070.56:397:10First Quarter8Thu
9Fri2:481.61:580.56:397:09First Quarter9Fri
10Sat3:491.62:420.46:407:08First Quarter10Sat
11Sun4:561.73:240.46:407:07Waxing Gibbous11Sun
12Mon6:061.74:030.46:417:06Waxing Gibbous12Mon
13Tue7:131.74:390.46:417:04Waxing Gibbous13Tue
14Wed8:191.75:130.56:427:03Waxing Gibbous14Wed
15Thu9:241.65:410.76:427:02Full Moon15Thu
16Fri10:351.55:560.96:437:01Full Moon16Fri
17Sat12:031.012:001.33:380.95:421.16:436:59Full Moon17Sat
18Sun11:251.45:420.86:446:58Waning Gibbous18Sun
19Mon11:511.67:360.76:446:57Waning Gibbous19Mon
20Tue9:290.66:456:56Waning Gibbous20Tue
21Wed12:321.811:100.46:456:55Third Quarter21Wed
22Thu1:231.912:310.46:466:53Third Quarter22Thu
23Fri2:231.91:380.36:466:52Third Quarter23Fri
24Sat3:321.92:360.46:476:51Third Quarter24Sat
25Sun4:521.83:250.46:476:50Waning Crescent25Sun
26Mon6:181.74:040.66:486:49Waning Crescent26Mon
27Tue7:391.64:320.76:496:47Waning Crescent27Tue
28Wed8:531.54:440.96:496:46Waning Crescent28Wed
29Thu10:021.411:011.24:351.06:506:45New Moon29Thu
30Fri11:151.310:331.33:461.04:021.16:506:44New Moon30Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8760959)

Common Questions About Southwest Pass, Mississippi River, LA Tides

Show All
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 5:48 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 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