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

TIDE TIMES for Monday, June 22, 2026
The tide is currently falling in Southwest Pass, Mississippi River, LA.
Next low tide : in 1h 20m at 4:13 pm (0.3 ft)
Next high tide (tomorrow) : 5:52 am (1.1 ft)
Sunset today : 7:59 pm
Sunrise tomorrow : 6:00 am
Moon phase : First Quarter (58% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Jun 2011

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed9:001.77:14-0.35:597:51New Moon1Wed
2Thu9:381.77:54-0.35:597:52New Moon2Thu
3Fri10:171.78:34-0.35:597:52New Moon3Fri
4Sat10:561.79:14-0.35:587:53Waxing Crescent4Sat
5Sun11:351.69:52-0.25:587:53Waxing Crescent5Sun
6Mon12:121.410:220.05:587:54Waxing Crescent6Mon
7Tue12:401.210:380.25:587:54First Quarter7Tue
8Wed11:490.910:130.45:587:54First Quarter8Wed
9Thu7:300.95:210.55:587:55First Quarter9Thu
10Fri6:281.13:440.25:587:55First Quarter10Fri
11Sat6:241.34:16-0.15:587:56Waxing Gibbous11Sat
12Sun6:471.55:00-0.45:587:56Waxing Gibbous12Sun
13Mon7:251.75:47-0.55:587:56Waxing Gibbous13Mon
14Tue8:091.86:35-0.65:587:57Full Moon14Tue
15Wed8:551.97:23-0.55:587:57Full Moon15Wed
16Thu9:411.88:08-0.55:587:57Full Moon16Thu
17Fri10:241.78:47-0.35:587:58Waning Gibbous17Fri
18Sat11:021.59:19-0.25:597:58Waning Gibbous18Sat
19Sun11:341.49:390.05:597:58Waning Gibbous19Sun
20Mon11:541.19:410.25:597:59Waning Gibbous20Mon
21Tue11:430.99:130.35:597:59Third Quarter21Tue
22Wed8:380.87:550.45:597:59Third Quarter22Wed
23Thu6:160.95:180.46:007:59Third Quarter23Thu
24Fri5:461.04:110.26:007:59Third Quarter24Fri
25Sat5:521.24:170.06:007:59Waning Crescent25Sat
26Sun6:151.34:42-0.16:008:00Waning Crescent26Sun
27Mon6:491.45:14-0.36:018:00Waning Crescent27Mon
28Tue7:271.65:49-0.46:018:00Waning Crescent28Tue
29Wed8:081.66:26-0.46:018:00New Moon29Wed
30Thu8:501.77:03-0.46:028:00New Moon30Thu
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 11:02 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 neap phase. Tonight's moon is 58% 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 minimum.

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 First Quarter (58% illuminated). This places Southwest Pass, Mississippi River, LA in a neap tide cycle, so tidal ranges are near their weekly minimum 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