Tides Today & Tomorrow in Grand Pass, LA

TIDE TIMES for Tuesday, August 4, 2026
The tide is currently rising in Grand Pass, LA.
Next low tide : 1:57 pm (0.6 ft)
Next high tide : in 3h 33m at 4:21 am (1.4 ft)
Sunset today : 7:48 pm
Sunrise tomorrow : 6:17 am
Moon phase : Third Quarter (65% illuminated)
Tide Station Location : Station #8760668
Common Questions About Tides

Grand Pass, LA Tides - Jun 1957

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat1:101.811:47-0.25:557:53Waxing Crescent1Sat
2Sun1:501.75:557:54Waxing Crescent2Sun
3Mon2:241.412:220.05:557:54First Quarter3Mon
4Tue11:261.212:470.25:557:55First Quarter4Tue
5Wed9:561.112:550.510:540.65:557:55First Quarter5Wed
6Thu9:081.27:190.45:547:55First Quarter6Thu
7Fri8:461.47:170.25:547:56Waxing Gibbous7Fri
8Sat8:481.67:340.05:547:56Waxing Gibbous8Sat
9Sun9:121.88:00-0.25:547:57Waxing Gibbous9Sun
10Mon9:471.98:32-0.35:547:57Full Moon10Mon
11Tue10:241.99:05-0.35:547:58Full Moon11Tue
12Wed11:041.99:39-0.25:547:58Full Moon12Wed
13Thu11:441.810:13-0.25:547:58Full Moon13Thu
14Fri12:241.810:45-0.15:547:59Waning Gibbous14Fri
15Sat1:021.611:160.05:547:59Waning Gibbous15Sat
16Sun1:391.511:440.15:547:59Waning Gibbous16Sun
17Mon2:141.35:558:00Waning Gibbous17Mon
18Tue2:431.112:070.35:558:00Third Quarter18Tue
19Wed9:461.012:230.45:558:00Third Quarter19Wed
20Thu8:501.112:150.67:390.65:558:01Third Quarter20Thu
21Fri8:191.26:540.45:558:01Third Quarter21Fri
22Sat8:001.46:350.25:568:01Waning Crescent22Sat
23Sun8:161.56:530.05:568:01Waning Crescent23Sun
24Mon8:481.77:25-0.25:568:01Waning Crescent24Mon
25Tue9:261.88:04-0.35:568:01Waning Crescent25Tue
26Wed10:081.98:45-0.45:578:02New Moon26Wed
27Thu10:521.99:28-0.45:578:02New Moon27Thu
28Fri11:371.910:08-0.35:578:02New Moon28Fri
29Sat12:221.810:45-0.25:588:02Waxing Crescent29Sat
30Sun1:051.611:140.05:588:02Waxing Crescent30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8760668)

Common Questions About Grand Pass, LA Tides

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

Slack tide in Grand Pass, LA is approximately 9:09 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 transitional phase. Tonight's moon is 65% 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 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 Third Quarter (65% illuminated). This places Grand Pass, 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