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

TIDE TIMES for Monday, August 3, 2026
The tide is currently rising in Southwest Pass, Mississippi River, LA.
Next low tide : 5:39 pm (0.6 ft)
Next high tide : in 2h 47m at 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 - Mar 1956

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu11:500.910:41-0.36:225:57Waning Gibbous1Thu
2Fri12:320.911:54-0.36:215:58Third Quarter2Fri
3Sat1:201.06:205:58Third Quarter3Sat
4Sun2:171.012:52-0.46:195:59Third Quarter4Sun
5Mon3:231.01:43-0.46:186:00Third Quarter5Mon
6Tue4:361.02:29-0.46:176:00Waning Crescent6Tue
7Wed5:480.93:09-0.36:166:01Waning Crescent7Wed
8Thu6:530.93:43-0.26:146:02Waning Crescent8Thu
9Fri7:530.84:10-0.16:136:02Waning Crescent9Fri
10Sat8:520.74:250.06:126:03New Moon10Sat
11Sun11:000.39:560.64:230.11:370.36:116:03New Moon11Sun
12Mon10:050.411:190.54:010.33:350.26:106:04New Moon12Mon
13Tue9:570.63:080.45:060.16:096:05New Moon13Tue
14Wed10:110.86:340.06:086:05Waxing Crescent14Wed
15Thu10:371.08:05-0.16:076:06Waxing Crescent15Thu
16Fri11:141.19:35-0.36:056:06Waxing Crescent16Fri
17Sat12:001.310:56-0.46:046:07Waxing Crescent17Sat
18Sun12:541.36:036:08First Quarter18Sun
19Mon1:591.312:07-0.46:026:08First Quarter19Mon
20Tue3:161.31:09-0.46:016:09First Quarter20Tue
21Wed4:461.22:05-0.46:006:09Waxing Gibbous21Wed
22Thu6:241.12:54-0.25:586:10Waxing Gibbous22Thu
23Fri8:050.93:330.05:576:10Waxing Gibbous23Fri
24Sat10:530.49:510.83:550.21:300.45:566:11Waxing Gibbous24Sat
25Sun9:200.63:380.53:350.35:556:12Full Moon25Sun
26Mon9:010.84:590.15:546:12Full Moon26Mon
27Tue9:151.06:100.05:526:13Full Moon27Tue
28Wed9:421.27:17-0.15:516:13Waning Gibbous28Wed
29Thu10:151.38:23-0.15:506:14Waning Gibbous29Thu
30Fri10:521.39:29-0.15:496:14Waning Gibbous30Fri
31Sat11:321.310:35-0.15:486:15Waning Gibbous31Sat
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 2:55 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 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