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

TIDE TIMES for Saturday, July 25, 2026
The tide is currently falling in Southwest Pass, Mississippi River, LA.
Next low tide : in 7h 35m at 5:16 pm (-0.3 ft)
Next high tide (tomorrow) : 7:23 am (1.6 ft)
Sunset today : 7:53 pm
Sunrise tomorrow : 6:14 am
Moon phase : Waxing Gibbous (86% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Oct 2079

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun12:382.012:030.46:516:43First Quarter1Sun
2Mon1:292.01:060.46:516:42First Quarter2Mon
3Tue2:301.92:030.46:526:41First Quarter3Tue
4Wed3:421.92:520.46:526:39First Quarter4Wed
5Thu5:021.93:340.56:536:38Waxing Gibbous5Thu
6Fri6:221.84:070.66:536:37Waxing Gibbous6Fri
7Sat7:391.74:290.76:546:36Waxing Gibbous7Sat
8Sun9:001.611:081.14:340.96:546:35Waxing Gibbous8Sun
9Mon10:361.49:561.32:261.04:071.16:556:34Full Moon9Mon
10Tue9:421.54:260.96:566:33Full Moon10Tue
11Wed9:571.85:550.76:566:32Full Moon11Wed
12Thu10:282.07:160.46:576:30Waning Gibbous12Thu
13Fri11:112.28:360.36:576:29Waning Gibbous13Fri
14Sat9:570.16:586:28Waning Gibbous14Sat
15Sun12:012.311:160.06:596:27Waning Gibbous15Sun
16Mon12:592.312:290.06:596:26Third Quarter16Mon
17Tue2:052.21:350.17:006:25Third Quarter17Tue
18Wed3:202.12:320.27:006:24Third Quarter18Wed
19Thu4:481.93:190.47:016:23Waning Crescent19Thu
20Fri6:321.73:500.77:026:22Waning Crescent20Fri
21Sat8:291.410:351.23:510.97:026:21Waning Crescent21Sat
22Sun10:521.39:211.33:121.02:451.27:036:20Waning Crescent22Sun
23Mon9:081.64:470.87:046:19New Moon23Mon
24Tue9:201.85:520.67:046:18New Moon24Tue
25Wed9:421.96:440.47:056:17New Moon25Wed
26Thu10:082.07:330.37:066:17New Moon26Thu
27Fri10:402.08:210.37:066:16Waxing Crescent27Fri
28Sat11:162.09:140.37:076:15Waxing Crescent28Sat
29Sun11:582.010:130.27:086:14Waxing Crescent29Sun
30Mon11:140.27:086:13Waxing Crescent30Mon
31Tue12:461.912:120.37:096:12First Quarter31Tue
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 12:19 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 86% 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 Waxing Gibbous (86% 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