Tides Today & Tomorrow in Grand Pass, LA

TIDE TIMES for Sunday, June 21, 2026
The tide is currently falling in Grand Pass, LA.
Next low tide : in 8h 21m at 11:32 pm (0.6 ft)
Next high tide (tomorrow) : 8:26 am (1.2 ft)
Sunset today : 8:01 pm
Sunrise tomorrow : 5:56 am
Moon phase : First Quarter (48% illuminated)
Tide Station Location : Station #8760668
Common Questions About Tides

Grand Pass, LA Tides - Jan 2044

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri11:171.29:14-1.06:525:07New Moon1Fri
2Sat11:551.19:47-0.96:535:08Waxing Crescent2Sat
3Sun10:18-0.86:535:09Waxing Crescent3Sun
4Mon12:320.910:43-0.76:535:09Waxing Crescent4Mon
5Tue1:080.711:02-0.56:535:10Waxing Crescent5Tue
6Wed1:390.47:260.311:00-0.26:535:11First Quarter6Wed
7Thu5:330.57:15-0.16:535:12First Quarter7Thu
8Fri5:140.74:50-0.46:535:13First Quarter8Fri
9Sat5:441.04:43-0.76:535:13First Quarter9Sat
10Sun6:311.35:19-1.06:535:14Waxing Gibbous10Sun
11Mon7:261.46:05-1.36:535:15Waxing Gibbous11Mon
12Tue8:241.56:53-1.46:535:16Waxing Gibbous12Tue
13Wed9:231.57:43-1.56:535:17Full Moon13Wed
14Thu10:191.48:31-1.46:535:17Full Moon14Thu
15Fri11:131.29:13-1.26:535:18Full Moon15Fri
16Sat9:46-1.06:535:19Waning Gibbous16Sat
17Sun12:021.010:06-0.76:535:20Waning Gibbous17Sun
18Mon12:440.710:13-0.56:535:21Waning Gibbous18Mon
19Tue1:160.45:550.210:05-0.26:525:22Waning Gibbous19Tue
20Wed4:560.48:37-0.16:525:23Third Quarter20Wed
21Thu4:360.64:50-0.36:525:24Third Quarter21Thu
22Fri4:550.84:48-0.56:515:24Third Quarter22Fri
23Sat5:330.95:10-0.76:515:25Third Quarter23Sat
24Sun6:231.05:40-0.86:515:26Waning Crescent24Sun
25Mon7:191.06:14-0.96:505:27Waning Crescent25Mon
26Tue8:151.16:49-1.06:505:28Waning Crescent26Tue
27Wed9:061.17:23-1.06:495:29Waning Crescent27Wed
28Thu9:531.17:56-1.06:495:30New Moon28Thu
29Fri10:361.18:24-1.06:485:30New Moon29Fri
30Sat11:191.08:50-0.96:485:31New Moon30Sat
31Sun9:14-0.76:475:32New Moon31Sun
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 3:59 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 neap phase. Tonight's moon is 48% 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 minimum.

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 First Quarter (48% illuminated). This places Grand Pass, LA in a neap tide cycle, so tidal ranges are near their weekly minimum 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