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

TIDE TIMES for Friday, July 3, 2026
The tide is currently rising in Southwest Pass, Mississippi River, LA.
Next low tide : 9:17 pm (-0.1 ft)
Next high tide : in 3h 56m at 11:19 am (1.4 ft)
Sunset today : 8:00 pm
Sunrise tomorrow : 6:03 am
Moon phase : Waning Gibbous (88% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Nov 2055

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon10:321.19:191.33:531.01:391.07:106:12Waxing Gibbous1Mon
2Tue9:101.44:410.87:116:11Full Moon2Tue
3Wed9:171.55:260.77:116:10Full Moon3Wed
4Thu9:351.66:090.57:126:10Full Moon4Thu
5Fri9:591.76:520.47:136:09Full Moon5Fri
6Sat10:291.87:390.37:146:08Waning Gibbous6Sat
7Sun10:031.87:280.36:145:07Waning Gibbous7Sun
8Mon10:401.88:220.26:155:07Waning Gibbous8Mon
9Tue11:221.89:190.26:165:06Waning Gibbous9Tue
10Wed10:150.26:175:06Third Quarter10Wed
11Thu12:081.711:080.26:175:05Third Quarter11Thu
12Fri1:011.611:560.36:185:05Third Quarter12Fri
13Sat2:071.412:350.46:195:04Third Quarter13Sat
14Sun4:281.29:051.012:590.66:205:04Waning Crescent14Sun
15Mon8:051.07:551.11:500.912:460.96:215:03Waning Crescent15Mon
16Tue7:321.33:010.66:215:03Waning Crescent16Tue
17Wed7:411.54:010.36:225:02New Moon17Wed
18Thu8:081.75:000.16:235:02New Moon18Thu
19Fri8:451.95:59-0.16:245:01New Moon19Fri
20Sat9:261.96:57-0.26:255:01Waxing Crescent20Sat
21Sun10:071.87:56-0.26:255:01Waxing Crescent21Sun
22Mon10:481.78:52-0.16:265:01Waxing Crescent22Mon
23Tue11:261.69:450.06:275:00Waxing Crescent23Tue
24Wed11:581.410:310.16:285:00First Quarter24Wed
25Thu11:060.26:295:00First Quarter25Thu
26Fri12:141.211:241.011:270.46:295:00First Quarter26Fri
27Sat9:030.911:270.56:305:00First Quarter27Sat
28Sun7:440.910:440.66:314:59Waxing Gibbous28Sun
29Mon7:121.03:430.56:324:59Waxing Gibbous29Mon
30Tue7:071.23:480.36:324:59Waxing Gibbous30Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8760959)

Common Questions About Southwest Pass, Mississippi River, LA Tides

Show All
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 4:18 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 88% 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 Waning Gibbous (88% 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