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

TIDE TIMES for Friday, August 7, 2026
The tide is currently falling in Southwest Pass, Mississippi River, LA.
Next low tide : in 5h 58m at 3:17 pm (-0.4 ft)
Next high tide (tomorrow) : 5:20 am (1.9 ft)
Sunset today : 7:44 pm
Sunrise tomorrow : 6:22 am
Moon phase : Third Quarter (32% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Oct 2098

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed1:202.112:580.36:516:43First Quarter1Wed
2Thu2:182.01:550.36:516:41First Quarter2Thu
3Fri3:261.92:460.46:526:40First Quarter3Fri
4Sat4:441.83:300.56:526:39Waxing Gibbous4Sat
5Sun6:071.74:040.66:536:38Waxing Gibbous5Sun
6Mon7:251.64:280.86:536:37Waxing Gibbous6Mon
7Tue8:401.54:320.96:546:36Waxing Gibbous7Tue
8Wed9:591.410:071.24:031.16:556:34Full Moon8Wed
9Thu11:481.39:431.43:531.02:421.26:556:33Full Moon9Thu
10Fri9:481.65:160.86:566:32Full Moon10Fri
11Sat10:071.86:250.76:566:31Full Moon11Sat
12Sun10:362.07:310.56:576:30Waning Gibbous12Sun
13Mon11:132.18:400.46:586:29Waning Gibbous13Mon
14Tue11:592.29:520.36:586:28Waning Gibbous14Tue
15Wed11:050.26:596:27Waning Gibbous15Wed
16Thu12:522.212:150.16:596:26Third Quarter16Thu
17Fri1:552.21:180.17:006:25Third Quarter17Fri
18Sat3:082.12:160.27:016:24Third Quarter18Sat
19Sun4:352.03:050.37:016:23Waning Crescent19Sun
20Mon6:221.73:450.67:026:22Waning Crescent20Mon
21Tue8:281.510:281.14:010.97:036:21Waning Crescent21Tue
22Wed11:091.39:021.32:541.03:091.27:036:20Waning Crescent22Wed
23Thu8:521.74:400.77:046:19New Moon23Thu
24Fri9:141.95:570.47:056:18New Moon24Fri
25Sat9:482.17:030.27:056:17New Moon25Sat
26Sun10:272.28:050.17:066:16Waxing Crescent26Sun
27Mon11:082.29:060.17:076:15Waxing Crescent27Mon
28Tue11:512.110:070.17:076:14Waxing Crescent28Tue
29Wed11:080.27:086:14Waxing Crescent29Wed
30Thu12:372.012:060.27:096:13First Quarter30Thu
31Fri1:271.912:580.37:096:12First Quarter31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8760959)

Common Questions About Southwest Pass, Mississippi River, LA Tides

Show All
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 10:18 pm — 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 transitional phase. Tonight's moon is 32% 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 (32% 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