28.9317’ N, 89.4283’ W

Southwest Pass, Mississippi River, LA

82°
H 86°
L 81°
NW
8mph
Low tide
3:57 pm

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

TIDE TIMES for Sunday, September 6, 2026
The tide is currently falling in Southwest Pass, Mississippi River, LA.
Next low tide : in 8h 17m at 3:57 pm (-0.1 ft)
Next high tide (tomorrow) : 6:26 am (2.0 ft)
Sunset today : 7:13 pm
Sunrise tomorrow : 6:38 am
Moon phase : Waning Crescent (24% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Aug 1889

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu11:011.17:370.45:186:48Waxing Crescent1Thu
2Fri11:050.86:500.55:196:48Waxing Crescent2Fri
3Sat3:440.93:120.55:196:47First Quarter3Sat
4Sun3:211.11:230.35:206:46First Quarter4Sun
5Mon3:381.31:570.05:206:45First Quarter5Mon
6Tue4:161.52:43-0.25:216:45Waxing Gibbous6Tue
7Wed5:071.73:33-0.45:226:44Waxing Gibbous7Wed
8Thu6:041.84:26-0.45:226:43Waxing Gibbous8Thu
9Fri7:041.95:18-0.45:236:42Full Moon9Fri
10Sat8:021.96:09-0.35:236:41Full Moon10Sat
11Sun8:581.86:55-0.15:246:40Full Moon11Sun
12Mon9:511.67:320.15:246:40Full Moon12Mon
13Tue10:401.47:480.45:256:39Waning Gibbous13Tue
14Wed11:251.17:200.65:266:38Waning Gibbous14Wed
15Thu12:040.95:290.75:266:37Waning Gibbous15Thu
16Fri1:451.012:200.65:276:36Third Quarter16Fri
17Sat1:511.212:470.45:276:35Third Quarter17Sat
18Sun2:221.31:240.35:286:34Third Quarter18Sun
19Mon3:031.42:030.25:286:33Third Quarter19Mon
20Tue3:521.52:420.15:296:32Waning Crescent20Tue
21Wed4:461.63:220.15:296:31Waning Crescent21Wed
22Thu5:421.64:020.15:306:30Waning Crescent22Thu
23Fri6:351.74:400.15:306:29Waning Crescent23Fri
24Sat7:241.75:140.15:316:28New Moon24Sat
25Sun8:091.65:430.25:316:27New Moon25Sun
26Mon8:511.66:060.35:326:25New Moon26Mon
27Tue9:331.56:190.55:336:24New Moon27Tue
28Wed10:181.36:180.65:336:23Waxing Crescent28Wed
29Thu11:121.25:490.85:346:22Waxing Crescent29Thu
30Fri12:411.012:431.05:570.84:140.95:346:21Waxing Crescent30Fri
31Sat12:301.29:190.75:356:20Waxing Crescent31Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8760959)

Common Questions About Southwest Pass, Mississippi River, LA Tides

Collapse All
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 24% 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 Waning Crescent (24% 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