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

TIDE TIMES for Tuesday, June 23, 2026
The tide is currently rising in Southwest Pass, Mississippi River, LA.
Next low tide (tomorrow) : 4:32 pm (-0.2 ft)
Next high tide (tomorrow) : in 13h 25m at 6:03 am (1.3 ft)
Sunset today : 7:59 pm
Sunrise tomorrow : 6:00 am
Moon phase : First Quarter (68% illuminated)
Tide Station Location : Station #8760959
Common Questions About Tides

Southwest Pass, Mississippi River, LA Tides - Nov 2043

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun8:071.85:110.46:105:12New Moon1Sun
2Mon8:311.95:520.36:105:11New Moon2Mon
3Tue9:002.06:340.26:115:10New Moon3Tue
4Wed9:352.07:210.26:125:10Waxing Crescent4Wed
5Thu10:152.08:140.26:135:09Waxing Crescent5Thu
6Fri10:591.99:120.26:135:08Waxing Crescent6Fri
7Sat11:451.910:090.26:145:08Waxing Crescent7Sat
8Sun11:000.26:155:07First Quarter8Sun
9Mon12:341.811:430.26:165:06First Quarter9Mon
10Tue1:271.612:180.46:175:06First Quarter10Tue
11Wed2:331.412:410.56:175:05First Quarter11Wed
12Thu4:571.28:081.012:400.86:185:05Waxing Gibbous12Thu
13Fri7:011.21:510.86:195:04Waxing Gibbous13Fri
14Sat6:501.53:000.56:205:04Waxing Gibbous14Sat
15Sun7:101.83:590.16:205:03Full Moon15Sun
16Mon7:462.04:59-0.26:215:03Full Moon16Mon
17Tue8:332.26:02-0.46:225:02Full Moon17Tue
18Wed9:242.37:08-0.56:235:02Waning Gibbous18Wed
19Thu10:192.28:17-0.56:245:02Waning Gibbous19Thu
20Fri11:142.09:25-0.46:245:01Waning Gibbous20Fri
21Sat10:29-0.36:255:01Waning Gibbous21Sat
22Sun12:081.811:23-0.16:265:01Third Quarter22Sun
23Mon12:571.512:010.26:275:00Third Quarter23Mon
24Tue1:291.210:110.912:100.56:285:00Third Quarter24Tue
25Wed7:241.011:100.76:285:00Waning Crescent25Wed
26Thu6:341.13:130.56:295:00Waning Crescent26Thu
27Fri6:291.33:380.36:305:00Waning Crescent27Fri
28Sat6:441.54:080.16:314:59Waning Crescent28Sat
29Sun7:071.64:40-0.16:324:59New Moon29Sun
30Mon7:351.65:13-0.26:324:59New Moon30Mon
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 11:17 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 transitional phase. Tonight's moon is 68% 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 First Quarter (68% 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