28.9317’ N, 89.4283’ W

Southwest Pass, Mississippi River, LA

83°
H -°
L 78°
E
7mph
High tide
4:49 am

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

TIDE TIMES for Sunday, October 4, 2026
The tide is currently rising in Southwest Pass, Mississippi River, LA.
Next low tide (tomorrow) : 3:27 pm (0.3 ft)
Next high tide (tomorrow) : in 6h 40m at 4:49 am (2.0 ft)
Sunset today : 6:40 pm
Sunrise tomorrow : 6:52 am
Moon phase : Third Quarter (37% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Aug 1844

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu10:491.06:270.55:276:58Waning Gibbous1Thu
2Fri2:330.711:09 AM0.84:530.75:060.65:286:57Waning Gibbous2Fri
3Sat1:300.92:280.55:296:56Waning Gibbous3Sat
4Sun1:361.012:580.45:296:56Third Quarter4Sun
5Mon2:031.21:190.25:306:55Third Quarter5Mon
6Tue2:421.31:540.15:306:54Third Quarter6Tue
7Wed3:301.42:320.05:316:53Third Quarter7Wed
8Thu4:241.53:11-0.15:316:52Waning Crescent8Thu
9Fri5:191.53:50-0.15:326:52Waning Crescent9Fri
10Sat6:121.64:26-0.15:336:51Waning Crescent10Sat
11Sun7:011.64:580.05:336:50Waning Crescent11Sun
12Mon7:461.65:250.15:346:49New Moon12Mon
13Tue8:301.55:460.25:346:48New Moon13Tue
14Wed9:151.45:580.35:356:47New Moon14Wed
15Thu10:031.25:540.55:356:46New Moon15Thu
16Fri11:011.05:200.75:366:45Waxing Crescent16Fri
17Sat12:170.912:400.86:060.73:330.85:366:44Waxing Crescent17Sat
18Sun12:141.19:180.55:376:43Waxing Crescent18Sun
19Mon12:401.311:130.35:386:42First Quarter19Mon
20Tue1:231.512:240.15:386:41First Quarter20Tue
21Wed2:191.71:24-0.15:396:40First Quarter21Wed
22Thu3:251.82:20-0.15:396:39First Quarter22Thu
23Fri4:361.83:13-0.15:406:38Waxing Gibbous23Fri
24Sat5:481.84:02-0.15:406:37Waxing Gibbous24Sat
25Sun6:561.74:450.15:416:36Waxing Gibbous25Sun
26Mon7:591.65:180.35:416:35Full Moon26Mon
27Tue8:581.55:350.55:426:34Full Moon27Tue
28Wed9:571.311:350.95:220.75:426:33Full Moon28Wed
29Thu11:011.110:511.02:540.84:270.95:436:32Full Moon29Thu
30Fri10:551.25:120.85:436:31Waning Gibbous30Fri
31Sat11:181.47:120.75:446:29Waning Gibbous31Sat
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 37% 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 (37% 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