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

TIDE TIMES for Monday, June 29, 2026
The tide is currently rising in Southwest Pass, Mississippi River, LA.
Next low tide : 7:26 pm (-0.4 ft)
Next high tide : in 5h 40m at 8:58 am (1.7 ft)
Sunset today : 8:00 pm
Sunrise tomorrow : 6:02 am
Moon phase : Full Moon (100% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Jul 2003

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue10:231.78:46-0.46:028:00Waxing Crescent1Tue
2Wed11:021.69:23-0.36:038:00Waxing Crescent2Wed
3Thu11:401.59:54-0.26:038:00Waxing Crescent3Thu
4Fri12:151.310:180.06:038:00Waxing Crescent4Fri
5Sat12:391.110:200.26:048:00First Quarter5Sat
6Sun10:110.89:210.46:048:00First Quarter6Sun
7Mon6:320.83:360.36:058:00First Quarter7Mon
8Tue5:501.13:320.06:057:59First Quarter8Tue
9Wed5:591.44:11-0.36:067:59Waxing Gibbous9Wed
10Thu6:311.64:58-0.66:067:59Waxing Gibbous10Thu
11Fri7:161.85:49-0.76:077:59Waxing Gibbous11Fri
12Sat8:071.96:41-0.76:077:59Full Moon12Sat
13Sun9:001.97:33-0.76:087:58Full Moon13Sun
14Mon9:511.88:21-0.56:087:58Full Moon14Mon
15Tue10:381.79:04-0.46:097:58Waning Gibbous15Tue
16Wed11:201.59:36-0.16:097:57Waning Gibbous16Wed
17Thu11:541.39:500.16:107:57Waning Gibbous17Thu
18Fri12:141.09:350.36:107:57Waning Gibbous18Fri
19Sat11:320.88:260.46:117:56Third Quarter19Sat
20Sun6:050.85:350.46:117:56Third Quarter20Sun
21Mon5:040.93:360.36:127:55Third Quarter21Mon
22Tue5:031.13:380.16:127:55Third Quarter22Tue
23Wed5:261.34:04-0.16:137:54Waning Crescent23Wed
24Thu6:001.44:38-0.26:137:54Waning Crescent24Thu
25Fri6:421.55:15-0.36:147:53Waning Crescent25Fri
26Sat7:281.65:55-0.36:157:53Waning Crescent26Sat
27Sun8:141.76:35-0.46:157:52New Moon27Sun
28Mon8:591.77:13-0.36:167:52New Moon28Mon
29Tue9:431.77:49-0.36:167:51New Moon29Tue
30Wed10:251.68:22-0.26:177:50New Moon30Wed
31Thu11:061.58:480.06:177:50Waxing 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 2:12 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 spring phase. Tonight's moon is 100% 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 Full Moon (100% 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