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

TIDE TIMES for Saturday, August 1, 2026
The tide is currently falling in Vaca Key, Florida Bay, FL.
Next low tide : in 1h 32m at 9:30 pm (0.3 ft)
Next high tide (tomorrow) : 5:00 am (0.8 ft)
Sunset today : 8:08 pm
Sunrise tomorrow : 6:52 am
Moon phase : Waning Gibbous (91% illuminated)
Tide Station Location : Station #8723970
Common Questions About Tides

Vaca Key, Florida Bay, FL Tides - Jan 2090

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun12:070.93:580.66:32-0.26:110.47:085:47New Moon1Sun
2Mon1:020.84:340.67:11-0.26:570.47:095:48New Moon2Mon
3Tue1:540.85:030.57:52-0.27:450.47:095:48Waxing Crescent3Tue
4Wed2:430.85:060.58:33-0.28:350.37:095:49Waxing Crescent4Wed
5Thu3:300.74:390.69:16-0.29:270.27:095:50Waxing Crescent5Thu
6Fri4:160.65:080.69:59-0.110:220.27:095:50Waxing Crescent6Fri
7Sat5:030.55:450.610:42-0.111:190.17:105:51First Quarter7Sat
8Sun5:550.46:250.611:270.07:105:52First Quarter8Sun
9Mon6:530.37:080.712:180.012:130.17:105:53First Quarter9Mon
10Tue7:520.71:19-0.17:105:53First Quarter10Tue
11Wed8:360.72:18-0.17:105:54Waxing Gibbous11Wed
12Thu9:200.83:14-0.27:105:55Waxing Gibbous12Thu
13Fri10:060.84:06-0.27:105:55Waxing Gibbous13Fri
14Sat10:580.94:54-0.37:105:56Full Moon14Sat
15Sun5:40-0.37:105:57Full Moon15Sun
16Mon12:030.93:590.56:26-0.36:030.47:105:58Full Moon16Mon
17Tue1:110.94:300.57:11-0.26:560.37:105:58Full Moon17Tue
18Wed2:130.84:560.57:57-0.27:520.27:105:59Waning Gibbous18Wed
19Thu3:090.85:080.58:42-0.18:510.17:096:00Waning Gibbous19Thu
20Fri4:000.75:070.59:27-0.19:530.07:096:01Waning Gibbous20Fri
21Sat4:490.55:280.610:13-0.110:57-0.17:096:01Third Quarter21Sat
22Sun5:400.36:020.610:590.07:096:02Third Quarter22Sun
23Mon9:070.26:430.612:04-0.211:47 AM0.07:096:03Third Quarter23Mon
24Tue10:340.27:290.61:13-0.212:380.17:086:04Waning Crescent24Tue
25Wed8:190.62:23-0.37:086:04Waning Crescent25Wed
26Thu9:110.63:26-0.37:086:05Waning Crescent26Thu
27Fri1:270.34:17-0.33:320.27:076:06Waning Crescent27Fri
28Sat2:110.34:57-0.34:240.27:076:07New Moon28Sat
29Sun2:510.35:34-0.35:110.27:076:07New Moon29Sun
30Mon3:270.46:10-0.35:560.27:066:08New Moon30Mon
31Tue12:550.63:570.46:46-0.36:410.17:066:09New Moon31Tue
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 1:15 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 91% 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 (91% 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