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

TIDE TIMES for Sunday, July 5, 2026
The tide is currently rising in Southwest Pass, Mississippi River, LA.
Next low tide : 9:06 pm (0.3 ft)
Next high tide : in 3h 06m at 12:03 pm (1.0 ft)
Sunset today : 8:00 pm
Sunrise tomorrow : 6:04 am
Moon phase : Waning Gibbous (72% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Sep 1994

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu6:221.74:280.36:357:19Waning Crescent1Thu
2Fri7:241.75:010.36:367:18Waning Crescent2Fri
3Sat8:231.65:300.46:367:17Waning Crescent3Sat
4Sun9:231.55:520.66:377:16New Moon4Sun
5Mon10:281.45:590.86:377:15New Moon5Mon
6Tue12:110.911:271.13:200.85:370.96:387:14New Moon6Tue
7Wed11:301.35:370.86:387:12Waxing Crescent7Wed
8Thu11:571.57:380.66:397:11Waxing Crescent8Thu
9Fri9:370.56:397:10Waxing Crescent9Fri
10Sat12:391.711:200.36:407:09Waxing Crescent10Sat
11Sun1:321.812:410.26:407:08First Quarter11Sun
12Mon2:341.91:490.26:417:06First Quarter12Mon
13Tue3:461.92:480.26:417:05First Quarter13Tue
14Wed5:051.83:390.36:427:04Waxing Gibbous14Wed
15Thu6:271.74:220.46:427:03Waxing Gibbous15Thu
16Fri7:461.64:540.66:437:02Waxing Gibbous16Fri
17Sat8:581.55:080.86:437:00Waxing Gibbous17Sat
18Sun10:081.411:051.14:571.06:446:59Full Moon18Sun
19Mon11:231.210:321.23:361.04:131.16:446:58Full Moon19Mon
20Tue10:331.45:050.96:456:57Full Moon20Tue
21Wed10:481.56:180.86:456:55Full Moon21Wed
22Thu11:121.67:270.76:466:54Waning Gibbous22Thu
23Fri11:431.78:390.76:466:53Waning Gibbous23Fri
24Sat9:560.66:476:52Waning Gibbous24Sat
25Sun12:201.811:120.66:476:51Waning Gibbous25Sun
26Mon1:051.812:190.56:486:49Third Quarter26Mon
27Tue1:571.81:160.56:486:48Third Quarter27Tue
28Wed2:591.82:030.56:496:47Third Quarter28Wed
29Thu4:121.72:440.66:496:46Third Quarter29Thu
30Fri5:351.73:190.66:506:45Waning Crescent30Fri
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 4:34 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 transitional phase. Tonight's moon is 72% 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 (72% 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