Tides Today & Tomorrow in Grand Isle, LA

TIDE TIMES for Wednesday, October 14, 2026
The tide is currently rising in Grand Isle, LA.

Next low tide (tomorrow) : 12:14 pm (0.2 ft)
Next high tide (tomorrow) : in 12h 16m at 12:27 am (1.6 ft)
Sunset today : 6:30 pm
Sunrise tomorrow : 7:00 am
Moon phase : Waxing Crescent (16% illuminated)
Tide Station Location : Station #8761724
Common Questions About Tides

Grand Isle, LA Tides - Apr 1905

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May 1905 >

Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Sat			9:10	0.7	5:45	0.2			5:49	6:17		1	Sat
2	Sun	11:39	0.5	10:23	0.6	5:57	0.3	2:45	0.4	5:48	6:18		2	Sun
3	Mon	10:37	0.5	11:48	0.6	4:11	0.4	3:56	0.3	5:47	6:19		3	Mon
4	Tue	10:13	0.6			4:02	0.5	4:56	0.3	5:46	6:19		4	Tue
5	Wed	1:42	0.5	10:21 AM	0.7	3:45	0.5	5:58	0.2	5:45	6:20		5	Wed
6	Thu	10:37	0.8					7:19	0.2	5:44	6:20		6	Thu
7	Fri	10:52	0.9					9:20	0.1	5:42	6:21		7	Fri
8	Sat	11:08	0.9					10:19	0.1	5:41	6:21		8	Sat
9	Sun	11:38	1.0					11:10	0.0	5:40	6:22		9	Sun
10	Mon			12:18	1.1					5:39	6:23		10	Mon
11	Tue			1:02	1.1	12:02	0.0			5:38	6:23		11	Tue
12	Wed			1:50	1.1	1:00	0.0			5:37	6:24		12	Wed
13	Thu			2:47	1.0	2:03	0.0			5:36	6:24		13	Thu
14	Fri			5:23	1.0	3:04	0.0			5:35	6:25		14	Fri
15	Sat			7:34	0.9	3:57	0.1			5:33	6:25		15	Sat
16	Sun	11:05	0.6	9:20	0.8	4:42	0.3	1:27	0.5	5:32	6:26		16	Sun
17	Mon	10:08	0.6	11:16	0.8	5:04	0.4	3:17	0.4	5:31	6:27		17	Mon
18	Tue	9:52	0.7			3:31	0.6	4:43	0.2	5:30	6:27		18	Tue
19	Wed	9:42	0.9					6:17	0.1	5:29	6:28		19	Wed
20	Thu	8:57	1.1					8:17	0.0	5:28	6:28		20	Thu
21	Fri	9:34	1.2					9:35	-0.1	5:27	6:29		21	Fri
22	Sat	10:31	1.3					10:39	-0.1	5:26	6:30		22	Sat
23	Sun	11:35	1.3					11:39	-0.1	5:25	6:30		23	Sun
24	Mon			12:32	1.2					5:24	6:31		24	Mon
25	Tue			1:18	1.1	12:38	0.0			5:23	6:31		25	Tue
26	Wed			1:53	1.0	1:37	0.1			5:22	6:32		26	Wed
27	Thu			2:18	0.9	2:35	0.2			5:21	6:33		27	Thu
28	Fri			2:31	0.8	3:21	0.3			5:20	6:33		28	Fri
29	Sat	10:24	0.7	8:41	0.7	3:40	0.5	5:03	0.6	5:19	6:34		29	Sat
30	Sun	9:54	0.7	11:05	0.6	1:39	0.5	5:16	0.5	5:19	6:34		30	Sun
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (8761724)

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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 16% 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 (16% 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

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