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

TIDE TIMES for Tuesday, July 7, 2026
The tide is currently falling in Southwest Pass, Mississippi River, LA.
Next low tide : in 6h 27m at 3:44 pm (0.3 ft)
Next high tide (tomorrow) : 4:54 am (1.1 ft)
Sunset today : 8:00 pm
Sunrise tomorrow : 6:05 am
Moon phase : Third Quarter (51% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Aug 2062

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue6:001.94:43-0.66:197:49Waning Crescent1Tue
2Wed7:042.05:39-0.76:197:48Waning Crescent2Wed
3Thu8:092.06:34-0.66:207:47New Moon3Thu
4Fri9:122.07:26-0.56:207:46New Moon4Fri
5Sat10:121.88:14-0.26:217:46New Moon5Sat
6Sun11:101.68:490.16:217:45Waxing Crescent6Sun
7Mon12:081.38:500.46:227:44Waxing Crescent7Mon
8Tue1:160.97:130.76:237:43Waxing Crescent8Tue
9Wed2:040.910:070.66:237:42Waxing Crescent9Wed
10Thu2:021.212:490.36:247:41First Quarter10Thu
11Fri2:341.41:490.16:247:41First Quarter11Fri
12Sat3:181.52:38-0.16:257:40First Quarter12Sat
13Sun4:091.63:24-0.16:257:39First Quarter13Sun
14Mon5:061.74:09-0.16:267:38Waxing Gibbous14Mon
15Tue6:061.74:52-0.16:267:37Waxing Gibbous15Tue
16Wed7:061.75:34-0.16:277:36Waxing Gibbous16Wed
17Thu7:591.76:110.06:287:35Waxing Gibbous17Thu
18Fri8:471.76:430.16:287:34Full Moon18Fri
19Sat9:291.67:060.26:297:33Full Moon19Sat
20Sun10:071.57:170.36:297:32Full Moon20Sun
21Mon10:451.47:100.56:307:31Full Moon21Mon
22Tue11:271.26:380.76:307:30Waning Gibbous22Tue
23Wed1:340.912:251.05:220.85:260.86:317:29Waning Gibbous23Wed
24Thu1:021.18:390.76:317:28Waning Gibbous24Thu
25Fri1:101.311:130.56:327:27Waning Gibbous25Fri
26Sat1:381.512:320.26:327:26Third Quarter26Sat
27Sun2:231.71:350.06:337:24Third Quarter27Sun
28Mon3:221.92:34-0.26:337:23Third Quarter28Mon
29Tue4:322.03:33-0.36:347:22Waning Crescent29Tue
30Wed5:482.14:30-0.36:347:21Waning Crescent30Wed
31Thu7:052.15:24-0.26:357:20Waning Crescent31Thu
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 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 neap phase. Tonight's moon is 51% 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 minimum.

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 Third Quarter (51% illuminated). This places Southwest Pass, Mississippi River, LA in a neap tide cycle, so tidal ranges are near their weekly minimum 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