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

TIDE TIMES for Friday, July 10, 2026
The tide is currently rising in Southwest Pass, Mississippi River, LA.
Next low tide : 4:21 pm (-0.6 ft)
Next high tide : in 2h 21m at 5:46 am (1.6 ft)
Sunset today : 7:59 pm
Sunrise tomorrow : 6:06 am
Moon phase : Waning Crescent (19% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Aug 1986

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri6:201.65:03-0.36:187:49Waning Crescent1Fri
2Sat7:111.65:44-0.36:197:48Waning Crescent2Sat
3Sun8:011.76:24-0.36:197:47Waning Crescent3Sun
4Mon8:471.77:00-0.26:207:47New Moon4Mon
5Tue9:291.77:31-0.26:207:46New Moon5Tue
6Wed10:081.67:560.06:217:45New Moon6Wed
7Thu10:461.58:120.16:227:44Waxing Crescent7Thu
8Fri11:241.38:140.36:227:44Waxing Crescent8Fri
9Sat12:041.17:460.56:237:43Waxing Crescent9Sat
10Sun3:460.812:530.87:270.76:030.76:237:42Waxing Crescent10Sun
11Mon2:431.012:310.56:247:41First Quarter11Mon
12Tue2:491.31:260.26:247:40First Quarter12Tue
13Wed3:231.52:19-0.16:257:39First Quarter13Wed
14Thu4:141.83:14-0.36:257:38First Quarter14Thu
15Fri5:171.94:10-0.46:267:37Waxing Gibbous15Fri
16Sat6:252.05:06-0.56:277:36Waxing Gibbous16Sat
17Sun7:332.06:00-0.46:277:35Waxing Gibbous17Sun
18Mon8:382.06:51-0.36:287:34Full Moon18Mon
19Tue9:391.87:340.06:287:33Full Moon19Tue
20Wed10:341.68:060.26:297:32Full Moon20Wed
21Thu11:271.48:090.56:297:31Waning Gibbous21Thu
22Fri12:231.17:100.86:307:30Waning Gibbous22Fri
23Sat1:250.91:580.96:510.74:250.86:307:29Waning Gibbous23Sat
24Sun1:071.110:320.66:317:28Waning Gibbous24Sun
25Mon1:261.312:200.46:317:27Third Quarter25Mon
26Tue2:001.51:170.36:327:26Third Quarter26Tue
27Wed2:421.62:070.26:327:25Third Quarter27Wed
28Thu3:351.72:560.16:337:24Third Quarter28Thu
29Fri4:381.73:440.16:337:23Waning Crescent29Fri
30Sat5:461.84:300.16:347:22Waning Crescent30Sat
31Sun6:511.85:130.16:347:21Waning Crescent31Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8760959)

Common Questions About Southwest Pass, Mississippi River, LA Tides

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What time does the tide turn (slack tide) in Southwest Pass, Mississippi River, LA today?

Slack tide in Southwest Pass, Mississippi River, LA is approximately 11:03 am — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

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 19% 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 Waning Crescent (19% 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