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

TIDE TIMES for Thursday, July 23, 2026
The tide is currently rising in Shell Island, Atchafalaya Bay, LA.
Next low tide (tomorrow) : 7:08 pm (-0.3 ft)
Next high tide (tomorrow) : in 12h 04m at 6:38 am (1.5 ft)
Sunset today : 8:03 pm
Sunrise tomorrow : 6:20 am
Moon phase : Waxing Gibbous (71% illuminated)
Tide Station Location : Station #8764165
Common Questions About Tides

Shell Island, Atchafalaya Bay, LA Tides - Mar 2079

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed12:191.05:481.08:06-0.68:160.96:306:04Waning Crescent1Wed
2Thu1:591.05:591.08:43-0.58:390.86:286:05New Moon2Thu
3Fri3:221.06:111.09:19-0.49:140.66:276:06New Moon3Fri
4Sat4:401.06:220.99:56-0.19:550.46:266:06New Moon4Sat
5Sun5:551.06:310.910:360.110:420.16:256:07Waxing Crescent5Sun
6Mon7:141.16:340.911:230.411:33-0.16:246:07Waxing Crescent6Mon
7Tue8:411.16:310.912:200.76:236:08Waxing Crescent7Tue
8Wed10:211.26:081.012:29-0.31:521.06:226:09First Quarter8Wed
9Thu12:071.31:29-0.56:216:09First Quarter9Thu
10Fri1:531.32:35-0.66:206:10First Quarter10Fri
11Sat3:441.43:48-0.66:186:11First Quarter11Sat
12Sun5:301.36:06-0.67:177:11Waxing Gibbous12Sun
13Mon5:421.37:19-0.59:001.27:167:12Waxing Gibbous13Mon
14Tue1:091.25:551.28:22-0.48:491.07:157:13Waxing Gibbous14Tue
15Wed2:581.26:111.19:15-0.39:120.97:147:13Waxing Gibbous15Wed
16Thu4:181.26:281.010:00-0.19:460.77:137:14Full Moon16Thu
17Fri5:271.26:441.010:390.110:240.57:117:14Full Moon17Fri
18Sat6:311.26:561.011:150.411:030.37:107:15Full Moon18Sat
19Sun7:341.27:001.011:510.611:430.17:097:16Waning Gibbous19Sun
20Mon8:391.26:441.012:310.87:087:16Waning Gibbous20Mon
21Tue9:511.26:061.112:240.01:291.07:077:17Waning Gibbous21Tue
22Wed11:171.31:090.07:057:17Waning Gibbous22Wed
23Thu1:051.31:57-0.17:047:18Third Quarter23Thu
24Fri3:551.32:51-0.17:037:19Third Quarter24Fri
25Sat5:021.43:52-0.17:027:19Third Quarter25Sat
26Sun5:391.44:580.07:017:20Third Quarter26Sun
27Mon5:321.46:030.07:007:20Waning Crescent27Mon
28Tue5:181.37:020.09:291.26:587:21Waning Crescent28Tue
29Wed5:211.37:520.08:441.16:577:22Waning Crescent29Wed
30Thu2:241.25:291.38:370.18:520.96:567:22Waning Crescent30Thu
31Fri3:581.35:381.29:200.29:160.76:557:23New Moon31Fri
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 12:53 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 Shell Island, Atchafalaya Bay, LA?

Shell Island, Atchafalaya Bay, LA is currently in a transitional phase. Tonight's moon is 71% 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 Waxing Gibbous (71% 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