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

TIDE TIMES for Wednesday, July 22, 2026
The tide is currently rising in Shell Island, Atchafalaya Bay, LA.
Next low tide (tomorrow) : 6:25 pm (-0.2 ft)
Next high tide (tomorrow) : in 8h 56m at 6:01 am (1.5 ft)
Sunset today : 8:03 pm
Sunrise tomorrow : 6:19 am
Moon phase : First Quarter (62% illuminated)
Tide Station Location : Station #8764165
Common Questions About Tides

Shell Island, Atchafalaya Bay, LA Tides - Sep 1976

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed1:231.78:40 AM1.64:201.64:340.16:427:27First Quarter1Wed
2Thu2:411.75:410.16:437:26First Quarter2Thu
3Fri3:391.711:20 AM1.68:191.66:450.16:437:24Waxing Gibbous3Fri
4Sat4:201.71:201.68:291.57:430.26:447:23Waxing Gibbous4Sat
5Sun4:531.72:411.68:491.48:320.36:447:22Waxing Gibbous5Sun
6Mon5:211.63:511.69:111.39:140.56:457:21Full Moon6Mon
7Tue5:461.64:531.69:361.29:490.66:457:20Full Moon7Tue
8Wed6:091.65:511.610:041.010:190.86:467:18Full Moon8Wed
9Thu6:291.66:461.610:360.910:461.06:467:17Full Moon9Thu
10Fri6:451.67:421.611:120.811:111.16:477:16Waning Gibbous10Fri
11Sat6:541.68:421.611:520.711:381.36:477:15Waning Gibbous11Sat
12Sun6:561.69:531.612:380.66:487:14Waning Gibbous12Sun
13Mon6:581.612:071.41:280.66:497:12Waning Gibbous13Mon
14Tue7:031.62:200.56:497:11Third Quarter14Tue
15Wed7:041.73:130.56:507:10Third Quarter15Wed
16Thu2:321.74:080.56:507:09Third Quarter16Thu
17Fri3:111.85:040.56:517:07Third Quarter17Fri
18Sat3:371.85:590.56:517:06Waning Crescent18Sat
19Sun3:591.811:47 AM1.68:101.66:520.56:527:05Waning Crescent19Sun
20Mon4:191.81:431.78:091.57:400.66:527:04Waning Crescent20Mon
21Tue4:391.83:111.78:231.48:260.76:537:03Waning Crescent21Tue
22Wed4:581.84:261.88:491.19:090.86:537:01New Moon22Wed
23Thu5:181.75:361.99:230.99:521.06:547:00New Moon23Thu
24Fri5:371.76:412.010:040.710:361.26:546:59New Moon24Fri
25Sat5:571.87:472.010:500.511:221.46:556:58Waxing Crescent25Sat
26Sun6:171.88:562.011:430.36:556:56Waxing Crescent26Sun
27Mon6:391.810:132.012:141.612:430.26:566:55Waxing Crescent27Mon
28Tue7:011.911:372.01:261.81:480.26:566:54Waxing Crescent28Tue
29Wed7:201.93:301.82:570.36:576:53First Quarter29Wed
30Thu12:592.04:070.46:586:52First Quarter30Thu
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 12:13 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 transitional phase. Tonight's moon is 62% 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 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 (62% illuminated). This places Shell Island, Atchafalaya 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