Tides Today & Tomorrow in Grand Pass, LA

TIDE TIMES for Sunday, June 21, 2026
The tide is currently rising in Grand Pass, LA.
Next low tide : 11:32 pm (0.6 ft)
Next high tide : in 10m at 9:37 am (1.0 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 - Nov 2017

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed12:081.21:261.16:190.85:391.07:116:09Waxing Gibbous1Wed
2Thu10:561.47:070.57:126:08Full Moon2Thu
3Fri11:061.67:560.37:126:08Full Moon3Fri
4Sat11:341.88:470.17:136:07Full Moon4Sat
5Sun11:111.98:41-0.16:145:06Full Moon5Sun
6Mon11:532.09:38-0.26:155:05Waning Gibbous6Mon
7Tue10:35-0.26:155:05Waning Gibbous7Tue
8Wed12:371.911:31-0.26:165:04Waning Gibbous8Wed
9Thu1:221.812:24-0.16:175:03Third Quarter9Thu
10Fri2:041.71:110.16:185:03Third Quarter10Fri
11Sat2:411.41:510.36:195:02Third Quarter11Sat
12Sun3:041.211:201.02:190.46:205:02Waning Crescent12Sun
13Mon10:261.02:360.66:205:01Waning Crescent13Mon
14Tue9:591.16:410.66:215:01Waning Crescent14Tue
15Wed9:421.26:130.46:225:00Waning Crescent15Wed
16Thu9:361.36:330.26:235:00New Moon16Thu
17Fri9:501.47:020.06:244:59New Moon17Fri
18Sat10:161.57:36-0.16:254:59New Moon18Sat
19Sun10:471.58:12-0.26:254:58New Moon19Sun
20Mon11:211.58:52-0.26:264:58Waxing Crescent20Mon
21Tue11:571.59:34-0.26:274:58Waxing Crescent21Tue
22Wed10:18-0.26:284:57Waxing Crescent22Wed
23Thu12:351.411:02-0.26:294:57Waxing Crescent23Thu
24Fri1:111.411:45-0.16:304:57First Quarter24Fri
25Sat1:461.212:26-0.16:304:57First Quarter25Sat
26Sun2:131.111:280.91:040.16:314:56First Quarter26Sun
27Mon10:290.81:370.26:324:56First Quarter27Mon
28Tue9:460.81:550.46:334:56Waxing Gibbous28Tue
29Wed9:110.95:480.36:344:56Waxing Gibbous29Wed
30Thu8:481.15:480.06:344:56Waxing Gibbous30Thu
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 4:34 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 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