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

TIDE TIMES for Saturday, July 11, 2026
The tide is currently falling in Southwest Pass, Mississippi River, LA.
Next low tide : in 8h 05m at 5:13 pm (-0.7 ft)
Next high tide (tomorrow) : 7:32 am (2.0 ft)
Sunset today : 7:59 pm
Sunrise tomorrow : 6:07 am
Moon phase : Waning Crescent (11% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Oct 1984

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon1:352.11:110.26:506:43First Quarter1Mon
2Tue2:372.12:110.36:516:42First Quarter2Tue
3Wed3:492.03:020.36:526:41First Quarter3Wed
4Thu5:091.83:450.56:526:39Waxing Gibbous4Thu
5Fri6:321.74:180.66:536:38Waxing Gibbous5Fri
6Sat7:491.64:390.86:536:37Waxing Gibbous6Sat
7Sun9:001.54:430.96:546:36Waxing Gibbous7Sun
8Mon12:001.110:311.22:071.14:201.16:546:35Full Moon8Mon
9Tue11:471.310:051.44:051.03:141.26:556:34Full Moon9Tue
10Wed10:061.55:230.96:566:33Full Moon10Wed
11Thu10:221.76:300.86:566:32Full Moon11Thu
12Fri10:471.87:330.66:576:30Waning Gibbous12Fri
13Sat11:201.98:380.56:576:29Waning Gibbous13Sat
14Sun11:592.09:460.46:586:28Waning Gibbous14Sun
15Mon10:550.46:596:27Waning Gibbous15Mon
16Tue12:462.012:010.36:596:26Third Quarter16Tue
17Wed1:432.11:020.27:006:25Third Quarter17Wed
18Thu2:502.01:580.27:006:24Third Quarter18Thu
19Fri4:121.92:490.37:016:23Waning Crescent19Fri
20Sat5:501.83:340.57:026:22Waning Crescent20Sat
21Sun7:431.64:080.77:026:21Waning Crescent21Sun
22Mon9:491.49:521.24:151.07:036:20Waning Crescent22Mon
23Tue9:081.53:520.87:046:19New Moon23Tue
24Wed9:181.85:250.57:046:18New Moon24Wed
25Thu9:502.06:440.37:056:17New Moon25Thu
26Fri10:322.27:580.17:066:17Waxing Crescent26Fri
27Sat11:182.29:100.07:066:16Waxing Crescent27Sat
28Sun11:062.29:210.06:075:15Waxing Crescent28Sun
29Mon11:562.110:270.16:085:14First Quarter29Mon
30Tue11:280.26:095:13First Quarter30Tue
31Wed12:481.912:200.36:095:12First Quarter31Wed
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 12:22 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 spring phase. Tonight's moon is 11% 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 Crescent (11% 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