Tides Today & Tomorrow in Grand Isle, LA

TIDE TIMES for Tuesday, June 9, 2026
The tide is currently rising in Grand Isle, LA.
Next low tide : 5:19 pm (0.3 ft)
Next high tide : in 12m at 7:31 am (0.8 ft)
Sunset today : 7:58 pm
Sunrise tomorrow : 5:59 am
Moon phase : Third Quarter (36% illuminated)
Tide Station Location : Station #8761724
Common Questions About Tides

Grand Isle, LA Tides - Jun 2032

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue9:080.712:290.47:160.56:007:55Third Quarter1Tue
2Wed8:020.85:430.36:007:55Waning Crescent2Wed
3Thu7:451.06:090.16:007:56Waning Crescent3Thu
4Fri7:571.16:47-0.16:007:56Waning Crescent4Fri
5Sat8:241.27:28-0.26:007:56Waning Crescent5Sat
6Sun8:581.38:09-0.25:597:57New Moon6Sun
7Mon9:351.38:49-0.25:597:57New Moon7Mon
8Tue10:121.39:27-0.25:597:58New Moon8Tue
9Wed10:481.310:02-0.15:597:58New Moon9Wed
10Thu11:201.210:330.05:597:59Waxing Crescent10Thu
11Fri11:491.110:580.05:597:59Waxing Crescent11Fri
12Sat12:121.011:150.15:597:59Waxing Crescent12Sat
13Sun12:220.911:170.25:598:00Waxing Crescent13Sun
14Mon11:570.810:570.36:008:00First Quarter14Mon
15Tue9:410.79:540.46:008:00First Quarter15Tue
16Wed7:450.87:340.46:008:01First Quarter16Wed
17Thu7:070.96:050.26:008:01First Quarter17Thu
18Fri7:061.06:020.16:008:01Waxing Gibbous18Fri
19Sat7:261.16:240.06:008:01Waxing Gibbous19Sat
20Sun7:571.26:58-0.26:018:02Waxing Gibbous20Sun
21Mon8:361.37:38-0.26:018:02Waxing Gibbous21Mon
22Tue9:191.48:21-0.36:018:02Full Moon22Tue
23Wed10:051.49:06-0.36:018:02Full Moon23Wed
24Thu10:511.49:50-0.26:028:02Full Moon24Thu
25Fri11:371.310:31-0.16:028:03Waning Gibbous25Fri
26Sat12:181.111:030.06:028:03Waning Gibbous26Sat
27Sun12:470.911:170.26:028:03Waning Gibbous27Sun
28Mon11:350.710:440.46:038:03Third Quarter28Mon
29Tue7:250.76:370.46:038:03Third Quarter29Tue
30Wed6:310.85:020.26:048:03Third Quarter30Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8761724)

Common Questions About Grand Isle, LA Tides

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

Slack tide in Grand Isle, LA is approximately 12:25 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 Isle, LA?

Grand Isle, LA is currently in a transitional phase. Tonight's moon is 36% 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 Isle, 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 Isle, LA?

Tide predictions for Grand Isle, 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 Isle, LA?

Tide data for Grand Isle, LA is sourced from NOAA Station #8761724. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8761724.

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

Tonight the moon over Grand Isle, LA is Third Quarter (36% illuminated). This places Grand Isle, 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