Tides Today & Tomorrow in Key Biscayne, Biscayne Bay, FL

TIDE TIMES for Saturday, June 20, 2026
The tide is currently falling in Key Biscayne, Biscayne Bay, FL.
Next low tide : in 4h 15m at 8:58 am (-0.1 ft)
Next high tide : 2:39 pm (2.0 ft)
Sunset today : 8:14 pm
Sunrise tomorrow : 6:29 am
Moon phase : First Quarter (37% illuminated)
Tide Station Location : Station #8723232
Common Questions About Tides

Key Biscayne, Biscayne Bay, FL Tides - Dec 2031

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon10:392.310:452.14:440.15:120.46:505:29Waning Gibbous1Mon
2Tue11:172.311:252.15:230.25:520.56:505:29Waning Gibbous2Tue
3Wed11:562.26:030.36:340.56:515:29Waning Gibbous3Wed
4Thu12:082.012:362.16:450.47:180.66:525:29Waning Gibbous4Thu
5Fri12:541.91:192.07:300.58:060.66:525:29Third Quarter5Fri
6Sat1:441.92:052.08:200.68:580.56:535:29Third Quarter6Sat
7Sun2:381.92:541.99:160.69:510.56:545:30Third Quarter7Sun
8Mon3:361.93:481.910:150.610:450.46:545:30Third Quarter8Mon
9Tue4:362.04:431.911:120.611:360.26:555:30Waning Crescent9Tue
10Wed5:342.15:392.012:060.56:565:30Waning Crescent10Wed
11Thu6:292.26:332.112:270.012:580.46:565:30Waning Crescent11Thu
12Fri7:212.37:262.21:17-0.11:480.26:575:31Waning Crescent12Fri
13Sat8:122.48:182.32:06-0.32:370.16:585:31New Moon13Sat
14Sun9:022.59:102.42:56-0.43:260.06:585:31New Moon14Sun
15Mon9:522.610:032.43:46-0.54:17-0.16:595:32New Moon15Mon
16Tue10:412.610:562.44:37-0.45:09-0.16:595:32Waxing Crescent16Tue
17Wed11:312.511:512.45:30-0.46:03-0.17:005:32Waxing Crescent17Wed
18Thu12:222.46:26-0.27:00-0.17:015:33Waxing Crescent18Thu
19Fri12:482.31:152.37:24-0.18:00-0.17:015:33First Quarter19Fri
20Sat1:482.22:112.28:260.19:01-0.17:025:34First Quarter20Sat
21Sun2:512.13:092.19:300.210:03-0.17:025:34First Quarter21Sun
22Mon3:552.14:092.010:340.311:02-0.17:035:35First Quarter22Mon
23Tue4:592.15:082.011:340.311:58-0.17:035:35Waxing Gibbous23Tue
24Wed5:582.16:042.012:290.37:045:36Waxing Gibbous24Wed
25Thu6:512.16:552.012:50-0.11:190.37:045:36Waxing Gibbous25Thu
26Fri7:382.17:422.01:37-0.22:060.27:045:37Full Moon26Fri
27Sat8:212.18:242.02:22-0.22:490.27:055:38Full Moon27Sat
28Sun9:012.19:052.03:04-0.23:300.27:055:38Full Moon28Sun
29Mon9:382.19:442.03:43-0.24:100.17:065:39Full Moon29Mon
30Tue10:142.110:221.94:21-0.14:480.17:065:39Full Moon30Tue
31Wed10:502.011:021.94:58-0.15:250.17:065:40Waning Gibbous31Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8723232)

Common Questions About Key Biscayne, Biscayne Bay, FL Tides

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What time does the tide turn (slack tide) in Key Biscayne, Biscayne Bay, FL today?

Slack tide in Key Biscayne, Biscayne Bay, FL is approximately 11:48 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 Key Biscayne, Biscayne Bay, FL?

Key Biscayne, Biscayne Bay, FL is currently in a transitional phase. Tonight's moon is 37% 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 Key Biscayne, Biscayne 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 Key Biscayne, Biscayne Bay, FL?

Tide predictions for Key Biscayne, Biscayne 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 Key Biscayne, Biscayne Bay, FL?

Tide data for Key Biscayne, Biscayne Bay, FL is sourced from NOAA Station #8723232. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8723232.

What is the moon phase in Key Biscayne, Biscayne Bay, FL tonight?

Tonight the moon over Key Biscayne, Biscayne Bay, FL is First Quarter (37% illuminated). This places Key Biscayne, Biscayne Bay, 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