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

TIDE TIMES for Thursday, August 6, 2026
The tide is currently falling in Key Biscayne, Biscayne Bay, FL.
Next low tide : in 6h 00m at 10:42 pm (0.5 ft)
Next high tide (tomorrow) : 4:11 am (1.9 ft)
Sunset today : 8:03 pm
Sunrise tomorrow : 6:49 am
Moon phase : Third Quarter (44% illuminated)
Tide Station Location : Station #8723232
Common Questions About Tides

Key Biscayne, Biscayne Bay, FL Tides - Dec 2097

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun7:322.47:352.21:340.02:030.46:505:29Waning Crescent1Sun
2Mon8:152.48:162.22:160.02:440.46:515:29New Moon2Mon
3Tue8:542.48:542.12:560.03:240.46:525:29New Moon3Tue
4Wed9:332.39:322.13:350.04:030.46:525:29New Moon4Wed
5Thu10:112.310:102.04:130.14:410.56:535:29New Moon5Thu
6Fri10:492.210:492.04:510.15:200.56:545:29Waxing Crescent6Fri
7Sat11:282.111:301.95:290.25:590.66:545:30Waxing Crescent7Sat
8Sun12:092.06:080.36:420.66:555:30Waxing Crescent8Sun
9Mon12:141.812:512.06:500.47:280.66:565:30Waxing Crescent9Mon
10Tue1:031.81:351.97:370.58:180.66:565:30First Quarter10Tue
11Wed1:561.82:221.98:320.59:120.56:575:31First Quarter11Wed
12Thu2:541.83:121.99:320.610:070.46:575:31First Quarter12Thu
13Fri3:541.94:051.910:320.511:000.26:585:31First Quarter13Fri
14Sat4:542.05:001.911:300.511:520.06:595:32Waxing Gibbous14Sat
15Sun5:532.15:552.012:250.46:595:32Waxing Gibbous15Sun
16Mon6:482.26:502.112:43-0.11:170.37:005:32Waxing Gibbous16Mon
17Tue7:422.47:432.21:35-0.32:080.27:005:33Full Moon17Tue
18Wed8:342.58:372.32:26-0.42:590.17:015:33Full Moon18Wed
19Thu9:262.59:312.33:18-0.53:500.07:015:34Full Moon19Thu
20Fri10:172.510:252.34:10-0.54:430.07:025:34Waning Gibbous20Fri
21Sat11:092.511:212.35:04-0.55:380.07:035:35Waning Gibbous21Sat
22Sun12:012.46:00-0.46:350.07:035:35Waning Gibbous22Sun
23Mon12:182.212:532.36:58-0.27:350.07:035:36Waning Gibbous23Mon
24Tue1:182.11:472.28:000.08:360.07:045:36Third Quarter24Tue
25Wed2:202.02:432.09:030.19:370.07:045:37Third Quarter25Wed
26Thu3:242.03:391.910:060.210:360.07:055:37Third Quarter26Thu
27Fri4:272.04:361.911:060.311:30-0.17:055:38Waning Crescent27Fri
28Sat5:272.05:311.812:020.37:055:39Waning Crescent28Sat
29Sun6:212.06:221.812:21-0.112:530.37:065:39Waning Crescent29Sun
30Mon7:102.07:091.81:09-0.11:390.37:065:40Waning Crescent30Mon
31Tue7:542.07:521.81:53-0.12:230.37:065:41New Moon31Tue
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 1:26 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 neap phase. Tonight's moon is 44% 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 minimum.

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 Third Quarter (44% illuminated). This places Key Biscayne, Biscayne Bay, FL in a neap tide cycle, so tidal ranges are near their weekly minimum 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