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 : 6:25 pm (-0.2 ft)
Next high tide : in 2h 57m at 6:01 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 1976

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon4:580.95:590.89:450.09:440.36:306:04New Moon1Mon
2Tue5:480.96:140.810:110.210:220.26:296:05New Moon2Tue
3Wed6:400.96:250.810:390.311:050.16:286:06Waxing Crescent3Wed
4Thu7:370.96:310.911:080.511:510.06:266:06Waxing Crescent4Thu
5Fri8:450.96:370.911:380.66:256:07Waxing Crescent5Fri
6Sat6:460.912:410.06:246:08Waxing Crescent6Sat
7Sun6:571.01:33-0.16:236:08First Quarter7Sun
8Mon6:591.02:28-0.16:226:09First Quarter8Mon
9Tue5:211.03:26-0.26:216:10First Quarter9Tue
10Wed3:021.14:26-0.26:206:10First Quarter10Wed
11Thu3:241.15:26-0.26:421.06:196:11Waxing Gibbous11Thu
12Fri3:451.16:22-0.26:520.96:176:11Waxing Gibbous12Fri
13Sat1:081.14:071.17:12-0.27:190.76:166:12Waxing Gibbous13Sat
14Sun2:321.24:281.18:00-0.17:550.56:156:13Full Moon14Sun
15Mon3:471.34:501.08:460.18:360.36:146:13Full Moon15Mon
16Tue4:551.45:121.09:320.39:230.16:136:14Full Moon16Tue
17Wed6:011.45:351.110:200.510:14-0.16:126:14Waning Gibbous17Wed
18Thu7:071.45:581.111:120.711:12-0.26:106:15Waning Gibbous18Thu
19Fri8:171.46:231.212:100.96:096:16Waning Gibbous19Fri
20Sat9:351.46:481.212:14-0.31:191.16:086:16Waning Gibbous20Sat
21Sun11:001.37:121.21:21-0.32:441.26:076:17Third Quarter21Sun
22Mon12:231.32:31-0.24:491.26:066:17Third Quarter22Mon
23Tue1:331.33:44-0.16:541.16:046:18Third Quarter23Tue
24Wed2:251.24:580.07:051.06:036:19Waning Crescent24Wed
25Thu12:061.13:021.26:070.17:250.96:026:19Waning Crescent25Thu
26Fri1:291.13:311.17:060.27:430.86:016:20Waning Crescent26Fri
27Sat2:381.23:551.17:530.38:020.76:006:20Waning Crescent27Sat
28Sun3:381.24:161.18:310.58:230.65:586:21New Moon28Sun
29Mon4:311.34:331.19:030.68:470.45:576:22New Moon29Mon
30Tue5:201.34:461.19:330.79:150.35:566:22New Moon30Tue
31Wed6:061.34:531.110:030.89:470.25:556:23New Moon31Wed
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 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