28.9317’ N, 89.4283’ W

Southwest Pass, Mississippi River, LA

86°
H 87°
L 81°
SSW
3mph
High tide
3:46 am

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

TIDE TIMES for Friday, September 4, 2026
The tide is currently rising in Southwest Pass, Mississippi River, LA.
Next low tide (tomorrow) : 3:00 pm (-0.2 ft)
Next high tide (tomorrow) : in 12h 22m at 3:46 am (2.1 ft)
Sunset today : 7:16 pm
Sunrise tomorrow : 6:37 am
Moon phase : Third Quarter (46% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Dec 1895

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun7:471.75:18-0.36:335:00Full Moon1Sun
2Mon8:281.86:03-0.46:345:00Full Moon2Mon
3Tue9:131.86:53-0.56:355:00Full Moon3Tue
4Wed9:591.87:46-0.56:365:00Waning Gibbous4Wed
5Thu10:461.78:40-0.56:365:00Waning Gibbous5Thu
6Fri11:321.59:31-0.46:375:00Waning Gibbous6Fri
7Sat10:16-0.26:385:00Third Quarter7Sat
8Sun12:141.310:470.06:395:00Third Quarter8Sun
9Mon12:350.97:480.710:440.36:395:00Third Quarter9Mon
10Tue5:470.83:210.56:405:00Third Quarter10Tue
11Wed5:241.12:320.16:415:01Waning Crescent11Wed
12Thu5:421.43:12-0.36:415:01Waning Crescent12Thu
13Fri6:181.63:57-0.56:425:01Waning Crescent13Fri
14Sat7:011.74:43-0.76:435:02New Moon14Sat
15Sun7:461.75:31-0.86:435:02New Moon15Sun
16Mon8:321.76:19-0.86:445:02New Moon16Mon
17Tue9:161.67:06-0.76:455:03New Moon17Tue
18Wed9:571.47:51-0.66:455:03Waxing Crescent18Wed
19Thu10:331.38:31-0.56:465:04Waxing Crescent19Thu
20Fri11:041.19:04-0.46:465:04Waxing Crescent20Fri
21Sat11:250.99:26-0.26:475:04Waxing Crescent21Sat
22Sun11:090.69:280.06:475:05First Quarter22Sun
23Mon7:160.58:470.16:485:06First Quarter23Mon
24Tue5:040.66:210.26:485:06First Quarter24Tue
25Wed4:400.83:060.06:495:07First Quarter25Wed
26Thu4:541.02:53-0.26:495:07Waxing Gibbous26Thu
27Fri5:241.13:16-0.46:495:08Waxing Gibbous27Fri
28Sat6:041.33:49-0.66:505:08Waxing Gibbous28Sat
29Sun6:491.44:28-0.86:505:09Waxing Gibbous29Sun
30Mon7:371.55:12-0.96:505:10Full Moon30Mon
31Tue8:281.55:59-0.96:515:10Full Moon31Tue
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 neap phase. Tonight's moon is 46% 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 minimum.

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 (46% illuminated). This places Southwest Pass, Mississippi River, LA in a neap tide cycle, so tidal ranges are near their weekly minimum 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