28.9317’ N, 89.4283’ W

Southwest Pass, Mississippi River, LA

89°
H -°
L 82°
W
2mph
High tide
11:41 pm

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

TIDE TIMES for Monday, September 14, 2026
The tide is currently rising in Southwest Pass, Mississippi River, LA.
Next low tide (tomorrow) : 10:07 am (0.5 ft)
Next high tide : in 4h 22m at 11:41 pm (1.7 ft)
Sunset today : 7:04 pm
Sunrise tomorrow : 6:42 am
Moon phase : Waxing Crescent (14% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Nov 1874

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun1:241.912:490.36:195:21Third Quarter1Sun
2Mon2:281.71:250.56:205:21Third Quarter2Mon
3Tue3:481.41:410.76:215:20Waning Crescent3Tue
4Wed6:051.28:591.11:260.96:225:19Waning Crescent4Wed
5Thu9:101.07:551.32:370.912:091.06:225:18Waning Crescent5Thu
6Fri7:371.43:350.76:235:18Waning Crescent6Fri
7Sat7:411.64:190.56:245:17New Moon7Sat
8Sun7:581.74:590.46:255:16New Moon8Sun
9Mon8:221.85:390.26:255:16New Moon9Mon
10Tue8:531.96:220.26:265:15New Moon10Tue
11Wed9:281.97:090.16:275:15Waxing Crescent11Wed
12Thu10:081.98:010.06:285:14Waxing Crescent12Thu
13Fri10:511.98:570.06:295:14Waxing Crescent13Fri
14Sat11:381.99:530.06:295:13Waxing Crescent14Sat
15Sun10:460.06:305:13First Quarter15Sun
16Mon12:281.811:330.16:315:12First Quarter16Mon
17Tue1:241.612:130.26:325:12First Quarter17Tue
18Wed2:371.312:400.46:335:11First Quarter18Wed
19Thu5:461.07:461.012:340.76:335:11Waxing Gibbous19Thu
20Fri6:501.22:160.66:345:11Waxing Gibbous20Fri
21Sat6:491.53:210.26:355:11Waxing Gibbous21Sat
22Sun7:161.84:21-0.16:365:10Full Moon22Sun
23Mon7:562.05:20-0.46:375:10Full Moon23Mon
24Tue8:432.16:21-0.56:375:10Full Moon24Tue
25Wed9:332.17:24-0.56:385:10Waning Gibbous25Wed
26Thu10:232.08:27-0.56:395:09Waning Gibbous26Thu
27Fri11:121.89:28-0.46:405:09Waning Gibbous27Fri
28Sat11:561.610:24-0.26:415:09Waning Gibbous28Sat
29Sun11:080.06:415:09Third Quarter29Sun
30Mon12:321.311:360.26:425:09Third Quarter30Mon
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 spring phase. Tonight's moon is 14% 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 Waxing Crescent (14% 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