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

TIDE TIMES for Thursday, July 2, 2026
The tide is currently rising in Southwest Pass, Mississippi River, LA.
Next low tide : 8:59 pm (-0.2 ft)
Next high tide : in 3h 59m at 10:48 am (1.5 ft)
Sunset today : 8:00 pm
Sunrise tomorrow : 6:03 am
Moon phase : Waning Gibbous (93% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Nov 1999

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon1:471.712:560.46:105:12Third Quarter1Mon
2Tue3:021.51:290.66:105:11Waning Crescent2Tue
3Wed5:201.39:451.11:380.86:115:11Waning Crescent3Wed
4Thu8:081.18:321.22:201.01:091.06:125:10Waning Crescent4Thu
5Fri8:071.33:240.86:125:09Waning Crescent5Fri
6Sat8:071.54:120.76:135:08New Moon6Sat
7Sun8:201.64:540.56:145:08New Moon7Sun
8Mon8:391.75:340.46:155:07New Moon8Mon
9Tue9:031.76:130.36:165:07New Moon9Tue
10Wed9:311.76:550.36:165:06Waxing Crescent10Wed
11Thu10:031.77:410.26:175:05Waxing Crescent11Thu
12Fri10:381.78:300.26:185:05Waxing Crescent12Fri
13Sat11:161.79:210.26:195:04Waxing Crescent13Sat
14Sun11:551.610:100.26:195:04First Quarter14Sun
15Mon10:550.36:205:03First Quarter15Mon
16Tue12:371.511:330.46:215:03First Quarter16Tue
17Wed1:201.312:020.56:225:02First Quarter17Wed
18Thu2:141.18:491.012:180.66:235:02Waxing Gibbous18Thu
19Fri7:040.97:471.12:000.912:050.86:235:02Waxing Gibbous19Fri
20Sat7:271.22:500.66:245:01Waxing Gibbous20Sat
21Sun7:331.43:420.36:255:01Full Moon21Sun
22Mon7:571.64:360.16:265:01Full Moon22Mon
23Tue8:331.85:33-0.16:275:00Full Moon23Tue
24Wed9:151.96:34-0.36:275:00Full Moon24Wed
25Thu10:001.97:37-0.36:285:00Waning Gibbous25Thu
26Fri10:471.88:40-0.36:295:00Waning Gibbous26Fri
27Sat11:321.69:41-0.26:305:00Waning Gibbous27Sat
28Sun10:35-0.16:315:00Third Quarter28Sun
29Mon12:111.411:170.16:314:59Third Quarter29Mon
30Tue12:291.110:400.911:390.36:324:59Third Quarter30Tue
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 3:53 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 spring phase. Tonight's moon is 93% 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 maximum.

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 Waning Gibbous (93% illuminated). This places Southwest Pass, Mississippi River, LA in a spring tide cycle, so tidal ranges are near their weekly maximum 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