28.9317’ N, 89.4283’ W

Southwest Pass, Mississippi River, LA

80°
H -°
L 77°
ENE
14mph
High tide
10:33 pm

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

TIDE TIMES for Friday, September 25, 2026
The tide is currently rising in Southwest Pass, Mississippi River, LA.
Next low tide (tomorrow) : 3:43 am (0.9 ft)
Next high tide : in 16m at 10:33 pm (1.1 ft)
Sunset today : 6:50 pm
Sunrise tomorrow : 6:47 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Nov 1859

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue12:001.911:240.36:195:22First Quarter1Tue
2Wed12:481.712:070.46:205:21First Quarter2Wed
3Thu1:391.612:390.66:215:20First Quarter3Thu
4Fri2:391.412:540.76:215:19First Quarter4Fri
5Sat5:021.28:101.112:350.96:225:19Waxing Gibbous5Sat
6Sun7:081.32:160.96:235:18Waxing Gibbous6Sun
7Mon6:571.53:080.76:245:17Waxing Gibbous7Mon
8Tue7:101.73:520.56:245:17Full Moon8Tue
9Wed7:351.84:370.36:255:16Full Moon9Wed
10Thu8:092.05:240.16:265:16Full Moon10Thu
11Fri8:492.16:150.06:275:15Full Moon11Fri
12Sat9:342.17:13-0.16:275:14Waning Gibbous12Sat
13Sun10:222.18:14-0.26:285:14Waning Gibbous13Sun
14Mon11:132.09:17-0.26:295:13Waning Gibbous14Mon
15Tue10:17-0.16:305:13Waning Gibbous15Tue
16Wed12:061.911:100.06:315:12Third Quarter16Wed
17Thu1:001.611:520.26:315:12Third Quarter17Thu
18Fri1:571.39:441.012:130.56:325:12Third Quarter18Fri
19Sat5:390.97:031.01:270.911:31 AM0.86:335:11Waning Crescent19Sat
20Sun6:181.32:350.56:345:11Waning Crescent20Sun
21Mon6:251.63:250.26:355:11Waning Crescent21Mon
22Tue6:521.84:13-0.16:365:10Waning Crescent22Tue
23Wed7:281.95:01-0.26:365:10New Moon23Wed
24Thu8:071.95:47-0.36:375:10New Moon24Thu
25Fri8:471.96:34-0.36:385:10New Moon25Fri
26Sat9:281.87:21-0.36:395:09Waxing Crescent26Sat
27Sun10:081.78:08-0.26:405:09Waxing Crescent27Sun
28Mon10:461.68:54-0.26:405:09Waxing Crescent28Mon
29Tue11:221.59:37-0.16:415:09Waxing Crescent29Tue
30Wed11:511.310:110.16:425:09First Quarter30Wed
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 99% 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 (99% 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