Tides Today & Tomorrow in Shell Key Channel, Florida Bay, FL

TIDE TIMES for Tuesday, August 11, 2026
The tide is currently falling in Shell Key Channel, Florida Bay, FL.
Next low tide : in 5h 52m at 4:42 pm (-0.1 ft)
Next high tide : 10:17 pm (1.0 ft)
Sunset today : 8:00 pm
Sunrise tomorrow : 6:55 am
Moon phase : New Moon (2% illuminated)
Tide Station Location : Station #8723812
Common Questions About Tides

Shell Key Channel, Florida Bay, FL Tides - Apr 2012

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun6:340.75:591.112:450.112:180.47:137:39First Quarter1Sun
2Mon7:180.87:091.11:390.11:300.37:127:39Waxing Gibbous2Mon
3Tue7:561.08:101.22:240.12:290.17:117:40Waxing Gibbous3Tue
4Wed8:321.19:051.23:050.13:22-0.17:107:40Waxing Gibbous4Wed
5Thu9:091.39:571.23:430.14:11-0.27:097:40Full Moon5Thu
6Fri9:471.410:471.24:210.15:00-0.47:087:41Full Moon6Fri
7Sat10:271.511:381.14:580.15:49-0.57:077:41Full Moon7Sat
8Sun11:091.55:370.16:40-0.57:067:42Waning Gibbous8Sun
9Mon12:281.011:55 AM1.66:170.27:33-0.47:057:42Waning Gibbous9Mon
10Tue1:200.912:441.57:010.28:31-0.37:047:43Waning Gibbous10Tue
11Wed2:170.81:381.47:510.39:34-0.27:037:43Waning Gibbous11Wed
12Thu3:230.72:421.38:540.310:42-0.17:027:43Third Quarter12Thu
13Fri4:390.73:591.210:150.411:490.07:017:44Third Quarter13Fri
14Sat5:520.85:251.111:430.47:007:44Third Quarter14Sat
15Sun6:490.96:441.112:500.11:030.36:597:45Waning Crescent15Sun
16Mon7:331.07:471.11:430.22:090.26:587:45Waning Crescent16Mon
17Tue8:091.18:401.12:270.23:030.16:577:46Waning Crescent17Tue
18Wed8:401.29:241.03:060.23:490.06:577:46Waning Crescent18Wed
19Thu9:101.310:031.03:410.24:28-0.16:567:47New Moon19Thu
20Fri9:381.310:401.04:140.25:05-0.16:557:47New Moon20Fri
21Sat10:071.411:150.94:450.35:41-0.26:547:48New Moon21Sat
22Sun10:381.411:510.95:150.36:17-0.26:537:48New Moon22Sun
23Mon11:101.45:440.36:53-0.26:527:49Waxing Crescent23Mon
24Tue12:290.811:45 AM1.36:120.37:32-0.26:517:49Waxing Crescent24Tue
25Wed1:090.812:211.36:420.48:15-0.16:517:49Waxing Crescent25Wed
26Thu1:540.81:011.37:160.49:030.06:507:50Waxing Crescent26Thu
27Fri2:440.81:481.28:020.59:570.06:497:50First Quarter27Fri
28Sat3:420.82:461.19:090.510:530.16:487:51First Quarter28Sat
29Sun4:420.84:011.110:350.511:490.16:477:51First Quarter29Sun
30Mon5:370.95:251.111:580.46:477:52First Quarter30Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8723812)

Common Questions About Shell Key Channel, Florida Bay, FL Tides

Show All
What time does the tide turn (slack tide) in Shell Key Channel, Florida Bay, FL today?

Slack tide in Shell Key Channel, Florida Bay, FL is approximately 7:29 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 Key Channel, Florida Bay, FL?

Shell Key Channel, Florida Bay, FL is currently in a spring phase. Tonight's moon is 2% 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 Key Channel, Florida Bay, FL 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 Key Channel, Florida Bay, FL?

Tide predictions for Shell Key Channel, Florida Bay, FL 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 Key Channel, Florida Bay, FL?

Tide data for Shell Key Channel, Florida Bay, FL is sourced from NOAA Station #8723812. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8723812.

What is the moon phase in Shell Key Channel, Florida Bay, FL tonight?

Tonight the moon over Shell Key Channel, Florida Bay, FL is New Moon (2% illuminated). This places Shell Key Channel, Florida Bay, FL 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