Tides Today & Tomorrow in Vaca Key, Florida Bay, FL

TIDE TIMES for Sunday, August 2, 2026
The tide is currently rising in Vaca Key, Florida Bay, FL.
Next low tide : 9:36 am (0.4 ft)
Next high tide : in 1h 43m at 5:00 am (0.8 ft)
Sunset today : 8:08 pm
Sunrise tomorrow : 6:53 am
Moon phase : Waning Gibbous (84% illuminated)
Tide Station Location : Station #8723970
Common Questions About Tides

Vaca Key, Florida Bay, FL Tides - Sep 1968

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun7:321.32:420.17:057:43First Quarter1Sun
2Mon8:291.37:180.27:057:42Waxing Gibbous2Mon
3Tue9:351.38:220.37:067:41Waxing Gibbous3Tue
4Wed10:481.39:150.47:067:39Waxing Gibbous4Wed
5Thu2:570.912:251.34:570.86:260.57:067:38Full Moon5Thu
6Fri3:240.92:171.35:580.87:020.67:077:37Full Moon6Fri
7Sat3:491.03:191.36:530.77:370.77:077:36Full Moon7Sat
8Sun4:031.04:101.27:440.68:130.77:087:35Full Moon8Sun
9Mon3:381.14:571.28:340.58:510.77:087:34Waning Gibbous9Mon
10Tue3:451.25:421.19:230.49:290.87:087:33Waning Gibbous10Tue
11Wed4:151.26:320.910:130.310:070.87:097:32Waning Gibbous11Wed
12Thu4:521.38:150.811:030.210:440.87:097:31Waning Gibbous12Thu
13Fri5:321.211:540.27:097:30Third Quarter13Fri
14Sat6:161.212:490.27:107:29Third Quarter14Sat
15Sun7:031.21:470.27:107:28Third Quarter15Sun
16Mon7:551.22:500.37:107:27Third Quarter16Mon
17Tue8:511.23:530.37:117:26Waning Crescent17Tue
18Wed9:511.24:490.47:117:25Waning Crescent18Wed
19Thu2:171.010:55 AM1.34:231.05:320.57:127:24Waning Crescent19Thu
20Fri2:441.112:081.35:150.96:100.67:127:23Waning Crescent20Fri
21Sat3:051.11:351.36:030.86:450.87:127:21New Moon21Sat
22Sun3:131.12:571.36:490.77:200.87:137:20New Moon22Sun
23Mon2:571.24:011.37:370.67:560.97:137:19New Moon23Mon
24Tue3:071.35:011.28:260.48:311.07:137:18Waxing Crescent24Tue
25Wed3:331.36:081.19:180.39:051.07:147:17Waxing Crescent25Wed
26Thu4:061.47:371.010:110.29:370.97:147:16Waxing Crescent26Thu
27Fri4:441.511:070.27:147:15First Quarter27Fri
28Sat5:271.512:060.27:157:14First Quarter28Sat
29Sun6:151.51:090.27:157:13First Quarter29Sun
30Mon7:121.42:160.37:167:12First Quarter30Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8723970)

Common Questions About Vaca Key, Florida Bay, FL Tides

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

Slack tide in Vaca Key, Florida Bay, FL is approximately 7:18 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 Vaca Key, Florida Bay, FL?

Vaca Key, Florida Bay, FL is currently in a spring phase. Tonight's moon is 84% 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 Vaca Key, Florida 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 Vaca Key, Florida Bay, FL?

Tide predictions for Vaca Key, Florida 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 Vaca Key, Florida Bay, FL?

Tide data for Vaca Key, Florida Bay, FL is sourced from NOAA Station #8723970. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8723970.

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

Tonight the moon over Vaca Key, Florida Bay, FL is Waning Gibbous (84% illuminated). This places Vaca Key, Florida 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