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

TIDE TIMES for Monday, July 13, 2026
The tide is currently rising in Shell Island, Atchafalaya Bay, LA.
Next low tide : 9:27 am (1.6 ft)
Next high tide : in 2h 13m at 6:59 am (1.7 ft)
Sunset today : 8:07 pm
Sunrise tomorrow : 6:14 am
Moon phase : New Moon (1% illuminated)
Tide Station Location : Station #8764165
Common Questions About Tides

Shell Island, Atchafalaya Bay, LA Tides - May 1983

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun10:531.712:320.06:237:41Waning Gibbous1Sun
2Mon12:061.71:210.16:227:42Waning Gibbous2Mon
3Tue1:131.62:160.26:217:42Third Quarter3Tue
4Wed2:011.63:140.36:207:43Third Quarter4Wed
5Thu2:351.54:140.46:197:43Third Quarter5Thu
6Fri2:591.55:160.58:331.16:197:44Third Quarter6Fri
7Sat12:381.23:171.46:180.68:041.06:187:45Waning Crescent7Sat
8Sun2:421.23:311.47:150.78:150.86:177:45Waning Crescent8Sun
9Mon3:581.33:401.48:080.98:340.66:167:46Waning Crescent9Mon
10Tue5:011.53:451.48:581.08:560.36:167:47Waning Crescent10Tue
11Wed5:571.63:481.49:511.29:230.16:157:47New Moon11Wed
12Thu6:481.83:481.410:531.39:55-0.16:147:48New Moon12Thu
13Fri7:401.93:291.512:401.56:147:48New Moon13Fri
14Sat8:331.911:17-0.36:137:49Waxing Crescent14Sat
15Sun9:321.96:127:50Waxing Crescent15Sun
16Mon10:381.912:09-0.36:127:50Waxing Crescent16Mon
17Tue11:451.81:09-0.26:117:51Waxing Crescent17Tue
18Wed12:421.72:13-0.16:117:52First Quarter18Wed
19Thu1:251.63:220.16:511.36:107:52First Quarter19Thu
20Fri1:591.54:340.36:481.16:107:53First Quarter20Fri
21Sat12:511.32:261.45:520.57:160.86:097:53Waxing Gibbous21Sat
22Sun2:371.42:501.47:120.87:490.56:097:54Waxing Gibbous22Sun
23Mon4:021.53:091.38:291.08:230.26:087:55Waxing Gibbous23Mon
24Tue5:151.63:211.39:451.28:570.06:087:55Waxing Gibbous24Tue
25Wed6:161.73:051.311:161.39:30-0.16:077:56Full Moon25Wed
26Thu7:091.810:04-0.26:077:56Full Moon26Thu
27Fri7:571.810:39-0.26:077:57Full Moon27Fri
28Sat8:451.811:17-0.26:067:58Full Moon28Sat
29Sun9:351.711:58-0.16:067:58Waning Gibbous29Sun
30Mon10:311.76:067:59Waning Gibbous30Mon
31Tue11:301.612:440.06:057:59Waning Gibbous31Tue
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 8:13 am — 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 spring phase. Tonight's moon is 1% 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 maximum.

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 New Moon (1% illuminated). This places Shell Island, Atchafalaya Bay, LA in a spring tide cycle, so tidal ranges are near their weekly maximum 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