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

TIDE TIMES for Tuesday, June 23, 2026
The tide is currently rising in Southwest Pass, Mississippi River, LA.
Next low tide : 4:09 pm (0.0 ft)
Next high tide : in 6h 46m at 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 - Nov 2010

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon5:261.49:551.12:040.87:106:12Waning Crescent1Mon
2Tue9:101.28:151.32:091.01:311.17:106:11Waning Crescent2Tue
3Wed7:511.53:400.77:116:10Waning Crescent3Wed
4Thu8:061.84:450.47:126:10New Moon4Thu
5Fri8:392.05:450.17:136:09New Moon5Fri
6Sat9:202.16:430.07:136:08New Moon6Sat
7Sun9:042.16:40-0.16:145:08New Moon7Sun
8Mon9:482.17:39-0.16:155:07Waxing Crescent8Mon
9Tue10:332.08:360.06:165:06Waxing Crescent9Tue
10Wed11:151.89:310.16:175:06Waxing Crescent10Wed
11Thu11:541.710:200.26:175:05First Quarter11Thu
12Fri11:000.36:185:05First Quarter12Fri
13Sat12:271.511:270.56:195:04First Quarter13Sat
14Sun12:411.210:091.111:340.66:205:04First Quarter14Sun
15Mon7:301.110:570.86:215:03First Quarter15Mon
16Tue6:331.23:030.86:215:03Waxing Gibbous16Tue
17Wed6:231.33:110.56:225:02Waxing Gibbous17Wed
18Thu6:371.53:410.36:235:02Waxing Gibbous18Thu
19Fri7:021.64:150.26:245:02Waxing Gibbous19Fri
20Sat7:341.74:540.06:255:01Full Moon20Sat
21Sun8:111.85:36-0.16:255:01Full Moon21Sun
22Mon8:511.96:21-0.26:265:01Full Moon22Mon
23Tue9:331.97:10-0.26:275:00Waning Gibbous23Tue
24Wed10:171.88:01-0.26:285:00Waning Gibbous24Wed
25Thu11:011.78:52-0.26:295:00Waning Gibbous25Thu
26Fri11:441.59:40-0.16:295:00Waning Gibbous26Fri
27Sat10:210.16:305:00Third Quarter27Sat
28Sun12:221.311:340.910:450.36:315:00Third Quarter28Sun
29Mon6:550.910:270.56:324:59Third Quarter29Mon
30Tue5:461.12:200.56:324:59Waning Crescent30Tue
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 11:00 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