Tides Today & Tomorrow in Bastian Island, LA

TIDE TIMES for Friday, August 21, 2026
The tide is currently falling in Bastian Island, LA.

Next low tide : in 1h 26m at 5:19 pm (0.0 ft)
Next high tide (tomorrow) : 6:28 am (1.6 ft)
Sunset today : 7:32 pm
Sunrise tomorrow : 6:30 am
Moon phase : First Quarter (65% illuminated)
Tide Station Location : Station #8761289
Common Questions About Tides

Bastian Island, LA Tides - Nov 1938

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Dec 1938 >

Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Tue	2:19	1.3					1:21	0.7	6:11	5:13		1	Tue
2	Wed	1:48	1.1	10:17	1.1			1:04	0.8	6:12	5:12		2	Wed
3	Thu	8:45	0.9	8:58	1.1	5:10	0.9	12:47	0.9	6:12	5:11		3	Thu
4	Fri			8:51	1.3	5:21	0.7			6:13	5:11		4	Fri
5	Sat			9:04	1.4	5:47	0.5			6:14	5:10		5	Sat
6	Sun			9:21	1.5	6:21	0.3			6:15	5:09		6	Sun
7	Mon			9:42	1.7	7:04	0.2			6:15	5:08		7	Mon
8	Tue			10:08	1.8	7:57	0.0			6:16	5:08		8	Tue
9	Wed			10:46	1.8	8:56	-0.1			6:17	5:07		9	Wed
10	Thu			11:34	1.8	9:53	-0.1			6:18	5:07		10	Thu
11	Fri					10:48	-0.1			6:19	5:06		11	Fri
12	Sat	12:29	1.7			11:41	0.0			6:19	5:05		12	Sat
13	Sun	1:20	1.6					12:32	0.1	6:20	5:05		13	Sun
14	Mon	1:52	1.4					1:20	0.3	6:21	5:04		14	Mon
15	Tue	1:42	1.1	9:36	0.9			1:50	0.5	6:22	5:04		15	Tue
16	Wed	7:44	0.8	8:39	1.0	4:20	0.8	11:42 AM	0.7	6:23	5:03		16	Wed
17	Thu			8:14	1.1	4:47	0.5			6:23	5:03		17	Thu
18	Fri			8:17	1.3	5:26	0.3			6:24	5:03		18	Fri
19	Sat			8:36	1.4	6:08	0.1			6:25	5:02		19	Sat
20	Sun			9:03	1.5	6:50	0.0			6:26	5:02		20	Sun
21	Mon			9:34	1.6	7:35	-0.1			6:27	5:01		21	Mon
22	Tue			10:07	1.6	8:20	-0.1			6:27	5:01		22	Tue
23	Wed			10:41	1.5	9:04	-0.1			6:28	5:01		23	Wed
24	Thu			11:14	1.5	9:44	-0.1			6:29	5:01		24	Thu
25	Fri			11:45	1.4	10:20	-0.1			6:30	5:00		25	Fri
26	Sat					10:50	0.0			6:31	5:00		26	Sat
27	Sun	12:09	1.3			11:11	0.1			6:32	5:00		27	Sun
28	Mon	12:20	1.1			11:19	0.2			6:32	5:00		28	Mon
29	Tue	12:15	1.0	10:26	0.8	11:12	0.3			6:33	5:00		29	Tue
30	Wed			9:10	0.8	11:00	0.4			6:34	5:00		30	Wed
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (8761289)

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What time does the tide turn (slack tide) in Bastian Island, LA today?

Slack tide in Bastian Island, LA is approximately 11:53 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 Bastian Island, LA?

Bastian Island, LA is currently in a transitional phase. Tonight's moon is 65% 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 Bastian Island, 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 Bastian Island, LA?

Tide predictions for Bastian Island, 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 Bastian Island, LA?

Tide data for Bastian Island, LA is sourced from NOAA Station #8761289. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8761289.

What is the moon phase in Bastian Island, LA tonight?

Tonight the moon over Bastian Island, LA is First Quarter (65% illuminated). This places Bastian Island, 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

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