Tides Today & Tomorrow in Grand Pass, LA

TIDE TIMES for Wednesday, August 12, 2026
The tide is currently falling in Grand Pass, LA.
Next low tide : in 9h 00m at 9:39 pm (0.1 ft)
Next high tide (tomorrow) : 12:28 pm (1.8 ft)
Sunset today : 7:41 pm
Sunrise tomorrow : 6:22 am
Moon phase : New Moon (0% illuminated)
Tide Station Location : Station #8760668
Common Questions About Tides

Grand Pass, LA Tides - Dec 1941

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon9:111.26:40-0.26:354:56Waxing Gibbous1Mon
2Tue9:371.37:05-0.36:364:56Full Moon2Tue
3Wed10:081.37:37-0.46:374:56Full Moon3Wed
4Thu10:421.38:13-0.46:374:56Full Moon4Thu
5Fri11:181.38:51-0.56:384:56Full Moon5Fri
6Sat11:541.39:31-0.56:394:56Waning Gibbous6Sat
7Sun10:11-0.56:404:56Waning Gibbous7Sun
8Mon12:291.210:49-0.46:404:56Waning Gibbous8Mon
9Tue1:021.111:26-0.36:414:57Waning Gibbous9Tue
10Wed1:300.910:330.711:57-0.26:424:57Third Quarter10Wed
11Thu9:280.712:180.06:424:57Third Quarter11Thu
12Fri8:430.711:460.26:434:57Third Quarter12Fri
13Sat8:100.86:290.06:444:58Waning Crescent13Sat
14Sun8:001.05:53-0.36:444:58Waning Crescent14Sun
15Mon8:221.26:13-0.56:454:58Waning Crescent15Mon
16Tue8:581.46:49-0.86:464:59Waning Crescent16Tue
17Wed9:401.47:31-0.96:464:59New Moon17Wed
18Thu10:241.48:16-1.06:474:59New Moon18Thu
19Fri11:091.49:00-1.06:475:00New Moon19Fri
20Sat11:521.29:41-0.96:485:00Waxing Crescent20Sat
21Sun10:17-0.76:485:01Waxing Crescent21Sun
22Mon12:311.010:46-0.56:495:01Waxing Crescent22Mon
23Tue1:030.811:08-0.46:495:02First Quarter23Tue
24Wed1:230.68:580.411:21-0.26:505:02First Quarter24Wed
25Thu8:120.511:12-0.16:505:03First Quarter25Thu
26Fri7:560.66:51-0.16:515:03First Quarter26Fri
27Sat7:510.76:24-0.26:515:04Waxing Gibbous27Sat
28Sun7:550.86:26-0.46:515:05Waxing Gibbous28Sun
29Mon8:150.96:33-0.56:525:05Waxing Gibbous29Mon
30Tue8:450.96:45-0.66:525:06Waxing Gibbous30Tue
31Wed9:191.07:06-0.76:525:07Full Moon31Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8760668)

Common Questions About Grand Pass, LA Tides

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What time does the tide turn (slack tide) in Grand Pass, LA today?

Slack tide in Grand Pass, LA is approximately 5:03 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 Grand Pass, LA?

Grand Pass, LA is currently in a spring phase. Tonight's moon is 0% 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 Grand Pass, 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 Grand Pass, LA?

Tide predictions for Grand Pass, 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 Grand Pass, LA?

Tide data for Grand Pass, LA is sourced from NOAA Station #8760668. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8760668.

What is the moon phase in Grand Pass, LA tonight?

Tonight the moon over Grand Pass, LA is New Moon (0% illuminated). This places Grand Pass, 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