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 2065

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu10:181.96:460.56:516:43New Moon1Thu
2Fri11:012.18:120.36:516:41Waxing Crescent2Fri
3Sat11:532.39:370.26:526:40Waxing Crescent3Sat
4Sun11:000.16:526:39Waxing Crescent4Sun
5Mon12:512.312:170.16:536:38First Quarter5Mon
6Tue1:562.21:240.26:536:37First Quarter6Tue
7Wed3:092.12:230.36:546:36First Quarter7Wed
8Thu4:331.93:100.56:556:34Waxing Gibbous8Thu
9Fri6:111.73:410.76:556:33Waxing Gibbous9Fri
10Sat8:001.510:551.23:471.06:566:32Waxing Gibbous10Sat
11Sun10:021.39:241.32:271.13:031.26:566:31Waxing Gibbous11Sun
12Mon9:041.54:120.96:576:30Full Moon12Mon
13Tue9:111.75:180.86:586:29Full Moon13Tue
14Wed9:291.86:100.66:586:28Full Moon14Wed
15Thu9:541.96:570.56:596:27Full Moon15Thu
16Fri10:242.07:450.56:596:26Waning Gibbous16Fri
17Sat11:002.08:390.47:006:25Waning Gibbous17Sat
18Sun11:402.09:380.47:016:24Waning Gibbous18Sun
19Mon10:410.47:016:23Waning Gibbous19Mon
20Tue12:262.011:410.47:026:22Third Quarter20Tue
21Wed1:161.912:340.47:036:21Third Quarter21Wed
22Thu2:101.81:180.57:036:20Third Quarter22Thu
23Fri3:141.71:530.67:046:19Third Quarter23Fri
24Sat4:421.62:180.77:056:18Waning Crescent24Sat
25Sun6:581.49:301.22:250.97:056:17Waning Crescent25Sun
26Mon9:571.28:241.32:251.01:431.17:066:16Waning Crescent26Mon
27Tue8:121.63:520.77:076:15Waning Crescent27Tue
28Wed8:311.94:590.47:076:15New Moon28Wed
29Thu9:072.16:040.27:086:14New Moon29Thu
30Fri9:522.37:110.07:096:13New Moon30Fri
31Sat10:432.38:21-0.17:096:12Waxing Crescent31Sat
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