29.2633’ N, 89.9567’ W

Grand Isle, LA

74°
H -°
L 61°
NNW
13mph
High tide
10:53 pm

Tides Today & Tomorrow in Grand Isle, LA

TIDE TIMES for Thursday, November 12, 2026
The tide is currently rising in Grand Isle, LA.
Observed: 1.1 ft at 4:36 PM, 0.4 ft above predicted
Next low tide (tomorrow) : 10:41 am (0.0 ft)
Next high tide : in 6h 07m at 10:53 pm (1.5 ft)
Sunset today : 5:06 pm
Sunrise tomorrow : 6:21 am
Moon phase : Waxing Crescent (11% illuminated)
Tide Station Location : Station #8761724
Common Questions About Tides

Grand Isle, LA Tides - Jul 1829

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed9:231.38:36-0.25:127:12New Moon1Wed
2Thu9:561.29:11-0.15:137:12New Moon2Thu
3Fri10:241.29:360.05:137:12Waxing Crescent3Fri
4Sat10:421.19:480.15:147:12Waxing Crescent4Sat
5Sun10:400.99:330.25:147:12Waxing Crescent5Sun
6Mon10:270.89:200.35:157:12Waxing Crescent6Mon
7Tue8:130.79:050.45:157:11First Quarter7Tue
8Wed7:000.76:310.45:157:11First Quarter8Wed
9Thu5:200.85:300.35:167:11First Quarter9Thu
10Fri5:330.94:470.25:167:11First Quarter10Fri
11Sat6:021.15:020.05:177:11Waxing Gibbous11Sat
12Sun6:371.25:28-0.15:177:11Waxing Gibbous12Sun
13Mon7:141.36:01-0.25:187:10Waxing Gibbous13Mon
14Tue7:541.36:39-0.25:187:10Waxing Gibbous14Tue
15Wed8:351.47:21-0.35:197:10Full Moon15Wed
16Thu9:181.48:07-0.25:207:09Full Moon16Thu
17Fri10:071.38:53-0.25:207:09Full Moon17Fri
18Sat11:031.29:360.05:217:09Waning Gibbous18Sat
19Sun12:061.110:080.15:217:08Waning Gibbous19Sun
20Mon1:120.89:260.35:227:08Waning Gibbous20Mon
21Tue5:220.78:170.55:227:07Third Quarter21Tue
22Wed4:220.82:130.45:237:07Third Quarter22Wed
23Thu4:310.93:160.25:237:06Third Quarter23Thu
24Fri4:581.14:080.05:247:06Third Quarter24Fri
25Sat5:391.24:55-0.15:257:05Waning Crescent25Sat
26Sun6:271.35:40-0.25:257:05Waning Crescent26Sun
27Mon7:161.36:23-0.25:267:04Waning Crescent27Mon
28Tue8:021.37:03-0.15:267:03Waning Crescent28Tue
29Wed8:431.37:410.05:277:03New Moon29Wed
30Thu9:221.28:140.05:277:02New Moon30Thu
31Fri9:581.28:410.15:287:01New Moon31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8761724)

Common Questions About Grand Isle, LA Tides

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Is this week a spring tide or neap tide in Grand Isle, LA?

Grand Isle, LA is currently in a spring phase. Tonight's moon is 11% 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 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 Waxing Crescent (11% illuminated). This places Grand Isle, 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