Tides Today & Tomorrow in Shell Island, Atchafalaya Bay, LA

TIDE TIMES for Sunday, June 21, 2026
The tide is currently falling in Shell Island, Atchafalaya Bay, LA.
Next low tide : in 41m at 5:06 pm (0.6 ft)
Next high tide (tomorrow) : 12:42 am (1.0 ft)
Sunset today : 8:08 pm
Sunrise tomorrow : 6:06 am
Moon phase : First Quarter (48% illuminated)
Tide Station Location : Station #8764165
Common Questions About Tides

Shell Island, Atchafalaya Bay, LA Tides - Sep 2012

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat6:351.56:331.610:310.910:540.86:427:27Full Moon1Sat
2Sun6:551.57:351.511:150.811:251.06:437:25Waning Gibbous2Sun
3Mon7:101.58:421.512:000.66:447:24Waning Gibbous3Mon
4Tue7:151.59:591.512:490.56:447:23Waning Gibbous4Tue
5Wed7:081.512:201.41:400.56:457:22Waning Gibbous5Wed
6Thu7:001.62:320.46:457:21Third Quarter6Thu
7Fri6:491.63:270.46:467:19Third Quarter7Fri
8Sat4:541.74:230.46:467:18Third Quarter8Sat
9Sun4:491.75:200.46:477:17Third Quarter9Sun
10Mon4:311.76:140.46:477:16Waning Crescent10Mon
11Tue4:351.77:030.46:487:15Waning Crescent11Tue
12Wed4:481.71:091.68:291.57:470.56:487:13Waning Crescent12Wed
13Thu5:021.72:441.68:411.48:260.56:497:12Waning Crescent13Thu
14Fri5:171.74:031.79:011.29:040.76:497:11New Moon14Fri
15Sat5:321.75:131.79:281.09:410.86:507:10New Moon15Sat
16Sun5:471.76:191.810:010.810:201.16:507:08New Moon16Sun
17Mon6:011.77:251.910:410.610:591.36:517:07New Moon17Mon
18Tue6:141.78:331.911:270.411:421.56:517:06Waxing Crescent18Tue
19Wed6:271.79:491.912:210.36:527:05Waxing Crescent19Wed
20Thu6:401.811:151.912:281.71:220.26:527:03Waxing Crescent20Thu
21Fri6:501.91:231.82:280.26:537:02First Quarter21Fri
22Sat12:451.93:380.26:537:01First Quarter22Sat
23Sun2:011.94:500.36:547:00First Quarter23Sun
24Mon2:521.96:010.46:546:59Waxing Gibbous24Mon
25Tue3:281.91:011.77:461.67:070.56:556:57Waxing Gibbous25Tue
26Wed3:581.82:351.88:101.58:050.76:566:56Waxing Gibbous26Wed
27Thu4:251.83:521.88:391.38:530.96:566:55Waxing Gibbous27Thu
28Fri4:491.74:591.89:081.19:351.06:576:54Full Moon28Fri
29Sat5:111.75:591.99:380.910:101.26:576:52Full Moon29Sat
30Sun5:281.76:541.910:080.810:401.46:586:51Full Moon30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8764165)

Common Questions About Shell Island, Atchafalaya Bay, LA Tides

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What time does the tide turn (slack tide) in Shell Island, Atchafalaya Bay, LA today?

Slack tide in Shell Island, Atchafalaya Bay, LA is approximately 8:54 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 Shell Island, Atchafalaya Bay, LA?

Shell Island, Atchafalaya Bay, LA is currently in a neap phase. Tonight's moon is 48% 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 minimum.

What datum are Shell Island, Atchafalaya 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 Shell Island, Atchafalaya Bay, LA?

Tide predictions for Shell Island, Atchafalaya 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 Shell Island, Atchafalaya Bay, LA?

Tide data for Shell Island, Atchafalaya Bay, LA is sourced from NOAA Station #8764165. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8764165.

What is the moon phase in Shell Island, Atchafalaya Bay, LA tonight?

Tonight the moon over Shell Island, Atchafalaya Bay, LA is First Quarter (48% illuminated). This places Shell Island, Atchafalaya Bay, LA in a neap tide cycle, so tidal ranges are near their weekly minimum 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