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

TIDE TIMES for Monday, June 22, 2026
The tide is currently rising in Southwest Pass, Mississippi River, LA.
Next low tide : 4:13 pm (0.3 ft)
Next high tide : in 4h 08m at 6:19 am (0.9 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 2041

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat10:371.89:21-0.35:597:52Waxing Crescent1Sat
2Sun11:161.710:05-0.25:597:52Waxing Crescent2Sun
3Mon11:551.610:46-0.15:587:53Waxing Crescent3Mon
4Tue12:301.511:200.05:587:53Waxing Crescent4Tue
5Wed12:591.311:420.15:587:54First Quarter5Wed
6Thu1:091.111:430.35:587:54First Quarter6Thu
7Fri11:180.910:570.55:587:54First Quarter7Fri
8Sat8:220.96:100.55:587:55First Quarter8Sat
9Sun7:201.04:300.35:587:55Waxing Gibbous9Sun
10Mon7:091.24:470.05:587:56Waxing Gibbous10Mon
11Tue7:221.45:19-0.25:587:56Waxing Gibbous11Tue
12Wed7:491.65:58-0.45:587:56Waxing Gibbous12Wed
13Thu8:251.86:44-0.55:587:57Full Moon13Thu
14Fri9:081.97:35-0.65:587:57Full Moon14Fri
15Sat9:542.08:28-0.75:587:57Full Moon15Sat
16Sun10:431.99:23-0.65:587:58Waning Gibbous16Sun
17Mon11:331.810:14-0.55:597:58Waning Gibbous17Mon
18Tue12:211.610:59-0.35:597:58Waning Gibbous18Tue
19Wed1:021.411:290.05:597:59Third Quarter19Wed
20Thu1:161.011:210.35:597:59Third Quarter20Thu
21Fri9:030.88:530.55:597:59Third Quarter21Fri
22Sat6:550.93:590.26:007:59Third Quarter22Sat
23Sun6:291.24:24-0.16:007:59Waning Crescent23Sun
24Mon6:431.45:02-0.36:008:00Waning Crescent24Mon
25Tue7:131.65:42-0.56:008:00Waning Crescent25Tue
26Wed7:501.76:23-0.56:018:00New Moon26Wed
27Thu8:301.87:03-0.56:018:00New Moon27Thu
28Fri9:101.77:42-0.56:018:00New Moon28Fri
29Sat9:501.78:20-0.46:028:00New Moon29Sat
30Sun10:281.68:57-0.36:028:00Waxing Crescent30Sun
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 11:16 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 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