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

TIDE TIMES for Monday, August 3, 2026
The tide is currently falling in Southwest Pass, Mississippi River, LA.
Next low tide : in 3h 02m at 8:26 am (0.7 ft)
Next high tide : 12:12 pm (0.7 ft)
Sunset today : 7:47 pm
Sunrise tomorrow : 6:20 am
Moon phase : Waning Gibbous (75% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Aug 1956

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed5:031.53:38-0.26:187:49Waning Crescent1Wed
2Thu5:591.74:25-0.46:197:48Waning Crescent2Thu
3Fri6:581.85:14-0.46:197:47Waning Crescent3Fri
4Sat7:591.86:03-0.46:207:47Waning Crescent4Sat
5Sun9:001.86:50-0.26:207:46New Moon5Sun
6Mon10:001.67:310.06:217:45New Moon6Mon
7Tue10:591.47:580.36:227:44New Moon7Tue
8Wed12:011.17:490.56:227:43Waxing Crescent8Wed
9Thu2:360.71:190.95:190.76:190.76:237:42Waxing Crescent9Thu
10Fri1:340.99:430.56:237:42Waxing Crescent10Fri
11Sat1:491.212:290.36:247:41First Quarter11Sat
12Sun2:271.31:390.26:247:40First Quarter12Sun
13Mon3:151.52:320.16:257:39First Quarter13Mon
14Tue4:101.53:190.06:267:38First Quarter14Tue
15Wed5:091.64:010.06:267:37Waxing Gibbous15Wed
16Thu6:091.64:410.06:277:36Waxing Gibbous16Thu
17Fri7:051.65:170.16:277:35Waxing Gibbous17Fri
18Sat7:561.55:480.16:287:34Waxing Gibbous18Sat
19Sun8:421.56:140.26:287:33Full Moon19Sun
20Mon9:241.46:300.46:297:32Full Moon20Mon
21Tue10:041.36:330.56:297:31Full Moon21Tue
22Wed10:431.26:190.66:307:30Full Moon22Wed
23Thu11:261.15:460.76:307:29Waning Gibbous23Thu
24Fri12:400.912:210.95:490.84:460.86:317:28Waning Gibbous24Fri
25Sat12:401.18:170.76:317:27Waning Gibbous25Sat
26Sun1:001.310:500.56:327:26Waning Gibbous26Sun
27Mon1:331.412:180.46:337:25Third Quarter27Mon
28Tue2:191.61:200.26:337:24Third Quarter28Tue
29Wed3:161.72:150.16:347:22Third Quarter29Wed
30Thu4:231.83:090.06:347:21Third Quarter30Thu
31Fri5:361.94:010.06:357:20Waning Crescent31Fri
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 10:19 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 transitional phase. Tonight's moon is 75% 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 shifting between spring and neap.

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 (75% illuminated). This places Southwest Pass, Mississippi River, LA in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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