Tides Today & Tomorrow in Cow Key Channel, FL

TIDE TIMES for Friday, August 21, 2026
The tide is currently falling in Cow Key Channel, FL.
Next low tide : in 3h 37m at 2:17 pm (0.3 ft)
Next high tide : 9:49 pm (0.6 ft)
Sunset today : 7:56 pm
Sunrise tomorrow : 7:04 am
Moon phase : First Quarter (65% illuminated)
Tide Station Location : Station #8724527
Common Questions About Tides

Cow Key Channel, FL Tides - Sep 1926

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed7:561.310:030.81:050.63:080.37:077:46Waning Crescent1Wed
2Thu9:031.310:520.82:110.64:060.37:087:45Waning Crescent2Thu
3Fri9:591.311:280.93:130.64:510.27:087:44Waning Crescent3Fri
4Sat10:461.311:581.04:080.65:290.27:087:43Waning Crescent4Sat
5Sun11:271.44:540.56:020.37:097:42New Moon5Sun
6Mon12:241.012:051.45:360.56:320.37:097:41New Moon6Mon
7Tue12:501.112:421.46:150.57:010.37:107:40New Moon7Tue
8Wed1:171.21:171.46:510.47:290.47:107:39New Moon8Wed
9Thu1:451.21:541.37:280.47:550.47:107:38Waxing Crescent9Thu
10Fri2:141.22:321.28:060.48:220.57:117:37Waxing Crescent10Fri
11Sat2:441.33:121.28:470.48:490.57:117:36Waxing Crescent11Sat
12Sun3:161.33:571.19:340.49:180.67:117:34Waxing Crescent12Sun
13Mon3:511.34:510.910:300.49:530.77:127:33First Quarter13Mon
14Tue4:331.36:050.911:360.410:380.77:127:32First Quarter14Tue
15Wed5:281.37:410.812:490.37:127:31First Quarter15Wed
16Thu6:411.39:040.92:020.37:137:30First Quarter16Thu
17Fri8:001.410:000.91:050.73:070.37:137:29Waxing Gibbous17Fri
18Sat9:131.510:441.02:230.74:030.27:137:28Waxing Gibbous18Sat
19Sun10:161.511:231.13:310.64:510.27:147:27Waxing Gibbous19Sun
20Mon11:141.64:300.55:340.27:147:26Full Moon20Mon
21Tue12:011.212:081.65:250.36:140.37:147:25Full Moon21Tue
22Wed12:381.31:001.66:180.26:530.37:157:24Full Moon22Wed
23Thu1:151.41:511.57:100.27:310.47:157:23Waning Gibbous23Thu
24Fri1:531.52:421.48:030.18:100.57:167:22Waning Gibbous24Fri
25Sat2:331.53:331.28:580.28:500.67:167:21Waning Gibbous25Sat
26Sun2:151.53:291.18:570.28:330.66:166:20Waning Gibbous26Sun
27Mon3:011.54:351.010:030.39:230.76:176:19Third Quarter27Mon
28Tue3:551.46:010.911:140.410:270.86:176:18Third Quarter28Tue
29Wed5:021.37:340.912:270.46:176:16Third Quarter29Wed
30Thu6:221.38:380.91:360.46:186:15Third Quarter30Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8724527)

Common Questions About Cow Key Channel, FL Tides

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What time does the tide turn (slack tide) in Cow Key Channel, FL today?

Slack tide in Cow Key Channel, FL is approximately 6:03 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 Cow Key Channel, FL?

Cow Key Channel, FL is currently in a transitional phase. Tonight's moon is 65% 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 Cow Key Channel, 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 Cow Key Channel, FL?

Tide predictions for Cow Key Channel, 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 Cow Key Channel, FL?

Tide data for Cow Key Channel, FL is sourced from NOAA Station #8724527. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8724527.

What is the moon phase in Cow Key Channel, FL tonight?

Tonight the moon over Cow Key Channel, FL is First Quarter (65% illuminated). This places Cow Key Channel, FL 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