Tides Today & Tomorrow in Grand Pass, LA

TIDE TIMES for Tuesday, August 11, 2026
The tide is currently rising in Grand Pass, LA.
Next low tide : 9:09 pm (-0.1 ft)
Next high tide : in 10h 13m at 10:19 am (2.2 ft)
Sunset today : 7:42 pm
Sunrise tomorrow : 6:21 am
Moon phase : New Moon (2% illuminated)
Tide Station Location : Station #8760668
Common Questions About Tides

Grand Pass, LA Tides - Mar 1945

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu2:180.74:270.310:030.18:500.27:226:55Waning Gibbous1Thu
2Fri3:220.63:260.510:140.210:230.27:216:56Waning Gibbous2Fri
3Sat5:030.53:080.69:500.411:450.17:206:57Waning Gibbous3Sat
4Sun3:260.87:196:57Waning Gibbous4Sun
5Mon3:570.91:020.07:186:58Third Quarter5Mon
6Tue4:361.12:22-0.27:176:59Third Quarter6Tue
7Wed5:251.23:47-0.37:166:59Third Quarter7Wed
8Thu6:261.35:02-0.47:157:00Third Quarter8Thu
9Fri7:371.36:01-0.57:137:01Waning Crescent9Fri
10Sat8:531.36:50-0.57:127:01Waning Crescent10Sat
11Sun10:081.37:34-0.57:117:02Waning Crescent11Sun
12Mon11:271.28:13-0.47:107:03New Moon12Mon
13Tue8:46-0.27:097:03New Moon13Tue
14Wed1:011.04:080.59:090.17:380.47:077:04New Moon14Wed
15Thu2:470.82:560.69:180.49:190.27:067:05New Moon15Thu
16Fri4:560.72:070.98:470.610:470.07:057:05Waxing Crescent16Fri
17Sat2:221.17:047:06Waxing Crescent17Sat
18Sun2:551.312:10-0.17:037:06Waxing Crescent18Sun
19Mon3:371.41:33-0.27:017:07First Quarter19Mon
20Tue4:241.53:06-0.37:007:08First Quarter20Tue
21Wed5:171.44:40-0.36:597:08First Quarter21Wed
22Thu6:221.45:46-0.36:587:09Waxing Gibbous22Thu
23Fri7:461.36:35-0.26:577:10Waxing Gibbous23Fri
24Sat9:271.27:11-0.16:557:10Waxing Gibbous24Sat
25Sun10:571.17:360.06:547:11Waxing Gibbous25Sun
26Mon7:500.26:537:11Full Moon26Mon
27Tue12:191.03:110.68:020.36:290.56:527:12Full Moon27Tue
28Wed1:371.02:200.78:160.57:340.46:507:13Full Moon28Wed
29Thu2:530.91:250.88:290.68:330.36:497:13Full Moon29Thu
30Fri4:190.91:020.98:300.89:300.26:487:14Full Moon30Fri
31Sat1:191.110:290.16:477:14Waning Gibbous31Sat
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 3:44 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 Grand Pass, LA?

Grand Pass, LA is currently in a spring phase. Tonight's moon is 2% 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 (2% 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