Tides Today & Tomorrow in Southwest Pass, Vermilion Bay, LA

TIDE TIMES for Wednesday, September 30, 2026
The tide is currently rising in Southwest Pass, Vermilion Bay, LA.

Next low tide (tomorrow) : 1:33 pm (0.1 ft)
Next high tide : in 8h 28m at 9:30 pm (2.2 ft)
Sunset today : 6:55 pm
Sunrise tomorrow : 7:00 am
Moon phase : Waning Gibbous (81% illuminated)
Tide Station Location : Station #8765551
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Southwest Pass, Vermilion Bay, LA Tides - Nov 1990

< Oct 1990

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Dec 1990 >

Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Thu	12:46	1.8	3:23	2.2	7:43	0.4	8:45	1.6	6:21	5:22		1	Thu
2	Fri	12:49	1.8	4:21	2.3	8:18	0.1	9:39	1.8	6:22	5:21		2	Fri
3	Sat	12:53	1.9	5:18	2.4	8:59	-0.2	10:34	2.0	6:22	5:20		3	Sat
4	Sun	12:57	2.0	6:17	2.4	9:46	-0.3			6:23	5:19		4	Sun
5	Mon			7:23	2.3	10:39	-0.3			6:24	5:19		5	Mon
6	Tue			8:41	2.2	11:39	-0.2			6:25	5:18		6	Tue
7	Wed			10:01	2.0			12:44	-0.1	6:26	5:17		7	Wed
8	Thu			10:49	1.9			1:53	0.2	6:26	5:16		8	Thu
9	Fri			11:17	1.8			3:03	0.4	6:27	5:16		9	Fri
10	Sat	8:49	1.5	11:40	1.7	5:50	1.5	4:16	0.7	6:28	5:15		10	Sat
11	Sun	11:12	1.5			6:14	1.2	5:33	1.0	6:29	5:15		11	Sun
12	Mon	12:01	1.7	12:52	1.6	6:44	0.9	6:51	1.2	6:30	5:14		12	Mon
13	Tue	12:18	1.6	2:15	1.7	7:13	0.6	8:05	1.4	6:30	5:14		13	Tue
14	Wed	12:27	1.6	3:21	1.8	7:40	0.4	9:21	1.6	6:31	5:13		14	Wed
15	Thu	12:15	1.6	4:11	1.9	8:06	0.2			6:32	5:13		15	Thu
16	Fri			4:52	2.0	8:32	0.0			6:33	5:12		16	Fri
17	Sat			5:31	2.0	9:01	0.0			6:34	5:12		17	Sat
18	Sun			6:12	1.9	9:33	-0.1			6:34	5:11		18	Sun
19	Mon			7:00	1.9	10:08	-0.1			6:35	5:11		19	Mon
20	Tue			11:48	1.8	10:47	0.0			6:36	5:11		20	Tue
21	Wed			11:52	1.8	11:29	0.0			6:37	5:10		21	Wed
22	Thu			10:11	1.7			12:13	0.1	6:38	5:10		22	Thu
23	Fri			10:27	1.7			12:57	0.2	6:39	5:10		23	Fri
24	Sat			10:40	1.6			1:42	0.4	6:39	5:09		24	Sat
25	Sun			10:48	1.5			2:30	0.6	6:40	5:09		25	Sun
26	Mon	10:20	1.1	10:52	1.5	6:02	1.0	3:29	0.8	6:41	5:09		26	Mon
27	Tue			12:23	1.3	5:55	0.7	4:55	1.1	6:42	5:09		27	Tue
28	Wed			1:43	1.5	6:12	0.3	6:40	1.3	6:43	5:09		28	Wed
29	Thu			2:45	1.8	6:40	-0.1	8:08	1.5	6:43	5:09		29	Thu
30	Fri			3:39	1.9	7:17	-0.4			6:44	5:08		30	Fri
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (8765551)

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Is this week a spring tide or neap tide in Southwest Pass, Vermilion Bay, LA?

Southwest Pass, Vermilion Bay, LA is currently in a spring phase. Tonight's moon is 81% 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 Southwest Pass, Vermilion Bay, 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 Southwest Pass, Vermilion Bay, LA?

Tide predictions for Southwest Pass, Vermilion Bay, 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 Southwest Pass, Vermilion Bay, LA?

Tide data for Southwest Pass, Vermilion Bay, LA is sourced from NOAA Station #8765551. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8765551.

What is the moon phase in Southwest Pass, Vermilion Bay, LA tonight?

Tonight the moon over Southwest Pass, Vermilion Bay, LA is Waning Gibbous (81% illuminated). This places Southwest Pass, Vermilion Bay, 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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