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

TIDE TIMES for Friday, June 19, 2026
The tide is currently rising in Key Biscayne, Biscayne Bay, FL.
Next low tide (tomorrow) : 8:58 am (-0.1 ft)
Next high tide (tomorrow) : in 2h 19m at 2:11 am (2.2 ft)
Sunset today : 8:14 pm
Sunrise tomorrow : 6:29 am
Moon phase : Waxing Crescent (27% illuminated)
Tide Station Location : Station #8723232
Common Questions About Tides

Key Biscayne, Biscayne Bay, FL Tides - Aug 2031

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri8:152.38:582.42:300.12:55-0.46:478:06Full Moon1Fri
2Sat9:122.49:492.53:25-0.13:49-0.56:478:06Full Moon2Sat
3Sun10:072.510:382.64:18-0.24:42-0.56:488:05Full Moon3Sun
4Mon11:002.611:262.65:10-0.35:33-0.46:488:04Full Moon4Mon
5Tue11:512.56:01-0.36:24-0.36:498:04Waning Gibbous5Tue
6Wed12:132.512:422.56:52-0.37:16-0.16:498:03Waning Gibbous6Wed
7Thu1:002.41:332.47:43-0.28:080.16:508:02Waning Gibbous7Thu
8Fri1:482.32:252.28:36-0.19:030.36:508:02Third Quarter8Fri
9Sat2:372.13:192.19:310.010:000.46:518:01Third Quarter9Sat
10Sun3:282.04:172.010:290.210:590.56:518:00Third Quarter10Sun
11Mon4:241.95:171.911:270.211:580.66:517:59Third Quarter11Mon
12Tue5:221.96:161.912:240.36:527:59Waning Crescent12Tue
13Wed6:201.97:091.912:540.61:160.36:527:58Waning Crescent13Wed
14Thu7:141.97:562.01:450.62:040.36:537:57Waning Crescent14Thu
15Fri8:032.08:392.12:310.52:480.26:537:56Waning Crescent15Fri
16Sat8:472.19:182.23:130.43:280.26:547:55New Moon16Sat
17Sun9:292.19:562.23:520.34:060.26:547:54New Moon17Sun
18Mon10:102.210:322.34:280.34:430.26:557:53New Moon18Mon
19Tue10:502.211:092.35:030.25:180.26:557:53New Moon19Tue
20Wed11:292.311:452.35:380.25:540.26:567:52Waxing Crescent20Wed
21Thu12:102.36:130.26:320.36:567:51Waxing Crescent21Thu
22Fri12:222.212:522.26:520.17:130.46:567:50Waxing Crescent22Fri
23Sat1:012.21:382.27:350.17:590.46:577:49Waxing Crescent23Sat
24Sun1:442.12:302.28:250.28:530.56:577:48First Quarter24Sun
25Mon2:352.13:292.19:230.29:560.66:587:47First Quarter25Mon
26Tue3:352.14:342.210:290.211:050.66:587:46First Quarter26Tue
27Wed4:432.15:422.211:370.26:597:45Waxing Gibbous27Wed
28Thu5:542.26:462.312:130.512:430.16:597:44Waxing Gibbous28Thu
29Fri7:012.47:442.51:160.41:440.06:597:43Waxing Gibbous29Fri
30Sat8:032.58:372.62:140.22:40-0.17:007:42Waxing Gibbous30Sat
31Sun8:592.79:272.73:080.03:33-0.17:007:41Full Moon31Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8723232)

Common Questions About Key Biscayne, Biscayne Bay, FL Tides

Show All
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 5:34 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 27% 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 Waxing Crescent (27% 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