25.6983’ N, 80.1700’ W

Key Biscayne, Biscayne Bay, FL

86°
H 88°
L 80°
WSW
4mph
Low tide
1:17 pm

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

TIDE TIMES for Monday, September 7, 2026
The tide is currently falling in Key Biscayne, Biscayne Bay, FL.
Next low tide : in 3h 12m at 1:17 pm (0.2 ft)
Next high tide : 7:19 pm (2.4 ft)
Sunset today : 7:33 pm
Sunrise tomorrow : 7:03 am
Moon phase : Waning Crescent (15% illuminated)
Tide Station Location : Station #8723232
Common Questions About Tides

Key Biscayne, Biscayne Bay, FL Tides - May 1964

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri12:572.01:001.87:280.47:380.26:437:51Waning Gibbous1Fri
2Sat1:391.91:421.78:090.58:220.26:427:52Waning Gibbous2Sat
3Sun2:251.82:311.78:580.59:140.36:427:52Third Quarter3Sun
4Mon3:171.83:281.79:550.610:150.36:417:53Third Quarter4Mon
5Tue4:131.84:331.710:580.511:190.36:407:53Third Quarter5Tue
6Wed5:121.85:381.811:570.46:407:54Third Quarter6Wed
7Thu6:091.96:401.912:210.312:520.26:397:54Waning Crescent7Thu
8Fri7:032.07:382.11:180.21:430.06:387:55Waning Crescent8Fri
9Sat7:552.18:312.32:110.02:32-0.26:387:55Waning Crescent9Sat
10Sun8:442.29:232.53:02-0.13:21-0.46:377:56New Moon10Sun
11Mon9:332.310:132.53:51-0.14:09-0.66:367:57New Moon11Mon
12Tue10:232.311:042.64:41-0.24:59-0.66:367:57New Moon12Tue
13Wed11:132.311:562.55:31-0.25:50-0.66:357:58Waxing Crescent13Wed
14Thu12:052.36:24-0.16:44-0.56:357:58Waxing Crescent14Thu
15Fri12:482.41:002.27:190.07:41-0.46:347:59Waxing Crescent15Fri
16Sat1:432.31:582.18:180.18:42-0.26:347:59Waxing Crescent16Sat
17Sun2:412.23:002.09:220.19:470.06:338:00First Quarter17Sun
18Mon3:412.14:052.010:270.210:530.16:338:00First Quarter18Mon
19Tue4:412.05:121.911:310.211:570.16:328:01First Quarter19Tue
20Wed5:412.06:152.012:290.16:328:01Waxing Gibbous20Wed
21Thu6:352.07:112.012:540.21:200.06:328:02Waxing Gibbous21Thu
22Fri7:252.08:012.11:460.22:070.06:318:02Waxing Gibbous22Fri
23Sat8:092.08:442.12:330.22:49-0.16:318:03Waxing Gibbous23Sat
24Sun8:492.09:242.13:150.23:29-0.16:318:03Full Moon24Sun
25Mon9:272.010:022.13:560.24:07-0.16:308:04Full Moon25Mon
26Tue10:051.910:402.14:340.24:44-0.16:308:04Full Moon26Tue
27Wed10:421.911:172.15:110.25:20-0.16:308:05Full Moon27Wed
28Thu11:191.911:552.05:480.35:560.06:298:05Waning Gibbous28Thu
29Fri11:581.86:240.36:320.06:298:06Waning Gibbous29Fri
30Sat12:352.012:381.87:020.47:110.16:298:06Waning Gibbous30Sat
31Sun1:161.91:211.77:430.47:530.16:298:07Waning Gibbous31Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8723232)

Common Questions About Key Biscayne, Biscayne Bay, FL Tides

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Is this week a spring tide or neap tide in Key Biscayne, Biscayne Bay, FL?

Key Biscayne, Biscayne Bay, FL is currently in a spring phase. Tonight's moon is 15% 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 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 Waning Crescent (15% illuminated). This places Key Biscayne, Biscayne 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