28.9317’ N, 89.4283’ W

Southwest Pass, Mississippi River, LA

78°
H -°
L 75°
ESE
15mph
High tide
1:46 am

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

TIDE TIMES for Saturday, October 31, 2026
The tide is currently rising in Southwest Pass, Mississippi River, LA.
Next low tide (tomorrow) : 12:06 pm (0.1 ft)
Next high tide (tomorrow) : in 4h 25m at 1:46 am (2.1 ft)
Sunset today : 6:13 pm
Sunrise tomorrow : 7:09 am
Moon phase : Third Quarter (63% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Feb 1978

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed3:440.71:30-0.46:465:36Third Quarter1Wed
2Thu4:350.92:09-0.66:455:37Waning Crescent2Thu
3Fri5:321.02:55-0.86:455:38Waning Crescent3Fri
4Sat6:331.13:43-0.96:445:38Waning Crescent4Sat
5Sun7:321.14:31-0.96:435:39Waning Crescent5Sun
6Mon8:301.05:18-0.86:435:40New Moon6Mon
7Tue9:250.96:01-0.76:425:41New Moon7Tue
8Wed10:170.76:36-0.56:415:42New Moon8Wed
9Thu11:070.56:54-0.36:415:42Waxing Crescent9Thu
10Fri1:560.16:40-0.14:270.16:405:43Waxing Crescent10Fri
11Sat1:070.35:320.18:490.06:395:44Waxing Crescent11Sat
12Sun1:160.46:385:45Waxing Crescent12Sun
13Mon1:470.612:22-0.16:375:45First Quarter13Mon
14Tue2:290.71:04-0.36:375:46First Quarter14Tue
15Wed3:190.71:43-0.46:365:47First Quarter15Wed
16Thu4:160.82:22-0.56:355:48First Quarter16Thu
17Fri5:150.82:59-0.56:345:48Waxing Gibbous17Fri
18Sat6:110.83:35-0.56:335:49Waxing Gibbous18Sat
19Sun7:040.84:09-0.56:325:50Waxing Gibbous19Sun
20Mon7:510.84:40-0.46:315:51Waxing Gibbous20Mon
21Tue8:350.85:05-0.46:305:51Full Moon21Tue
22Wed9:180.75:24-0.36:295:52Full Moon22Wed
23Thu10:020.65:34-0.16:285:53Full Moon23Thu
24Fri10:520.55:330.06:275:53Full Moon24Fri
25Sat12:020.35:160.15:020.16:275:54Waning Gibbous25Sat
26Sun12:010.44:300.27:220.06:255:55Waning Gibbous26Sun
27Mon12:200.69:51-0.16:245:55Waning Gibbous27Mon
28Tue12:540.811:29-0.36:235:56Third Quarter28Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8760959)

Common Questions About Southwest Pass, Mississippi River, LA Tides

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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 63% 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 Third Quarter (63% 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