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

TIDE TIMES for Thursday, July 9, 2026
The tide is currently falling in Southwest Pass, Vermilion Bay, LA.
Next low tide : in 1h 19m at 6:04 pm (-0.4 ft)
Next high tide (tomorrow) : 3:12 am (1.7 ft)
Sunset today : 8:11 pm
Sunrise tomorrow : 6:15 am
Moon phase : Waning Crescent (29% illuminated)
Tide Station Location : Station #8765551
Common Questions About Tides

Southwest Pass, Vermilion Bay, LA Tides - May 2010

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat8:111.96:257:44Waning Gibbous1Sat
2Sun9:151.812:34-0.16:247:45Waning Gibbous2Sun
3Mon10:251.71:280.16:237:46Waning Gibbous3Mon
4Tue11:251.72:230.26:237:46Third Quarter4Tue
5Wed12:021.63:180.46:227:47Third Quarter5Wed
6Thu12:251.54:140.68:231.26:217:47Third Quarter6Thu
7Fri12:421.55:120.87:181.06:207:48Third Quarter7Fri
8Sat12:471.312:531.46:150.97:330.86:197:49Waning Crescent8Sat
9Sun2:101.412:551.47:221.17:550.56:197:49Waning Crescent9Sun
10Mon3:171.512:501.48:271.38:200.36:187:50Waning Crescent10Mon
11Tue4:101.712:431.59:291.48:470.16:177:51Waning Crescent11Tue
12Wed4:551.812:391.510:351.59:16-0.16:177:51New Moon12Wed
13Thu5:371.99:49-0.26:167:52New Moon13Thu
14Fri6:202.010:26-0.36:157:53New Moon14Fri
15Sat7:062.011:09-0.36:157:53New Moon15Sat
16Sun7:582.011:58-0.36:147:54Waxing Crescent16Sun
17Mon8:551.96:147:54Waxing Crescent17Mon
18Tue9:501.812:53-0.26:137:55Waxing Crescent18Tue
19Wed10:331.71:510.06:137:56First Quarter19Wed
20Thu11:051.69:021.32:520.25:211.26:127:56First Quarter20Thu
21Fri11:301.511:321.43:570.55:520.96:127:57First Quarter21Fri
22Sat11:511.55:120.86:310.66:117:58Waxing Gibbous22Sat
23Sun1:171.512:071.56:491.17:130.26:117:58Waxing Gibbous23Sun
24Mon2:431.712:151.58:341.47:54-0.16:107:59Waxing Gibbous24Mon
25Tue3:531.98:35-0.36:107:59Waxing Gibbous25Tue
26Wed4:502.09:16-0.46:108:00Full Moon26Wed
27Thu5:392.09:57-0.46:098:00Full Moon27Thu
28Fri6:242.010:38-0.36:098:01Full Moon28Fri
29Sat7:101.911:21-0.26:098:02Full Moon29Sat
30Sun7:571.86:088:02Waning Gibbous30Sun
31Mon8:461.712:04-0.16:088:03Waning Gibbous31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8765551)

Common Questions About Southwest Pass, Vermilion Bay, LA Tides

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What time does the tide turn (slack tide) in Southwest Pass, Vermilion Bay, LA today?

Slack tide in Southwest Pass, Vermilion Bay, LA is approximately 10:38 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 Southwest Pass, Vermilion Bay, LA?

Southwest Pass, Vermilion Bay, LA is currently in a transitional phase. Tonight's moon is 29% 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 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 Crescent (29% illuminated). This places Southwest Pass, Vermilion Bay, 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