Tides Today & Tomorrow in Grassy Key, north side, Florida Bay, FL

TIDE TIMES for Sunday, June 7, 2026
The tide is currently falling in Grassy Key, north side, Florida Bay, FL.
Next low tide (tomorrow) : in 4h 56m at 4:39 am (0.2 ft)
Next high tide (tomorrow) : 10:17 am (0.9 ft)
Sunset today : 8:11 pm
Sunrise tomorrow : 6:33 am
Moon phase : Third Quarter (58% illuminated)
Tide Station Location : Station #8723921
Common Questions About Tides

Grassy Key, north side, Florida Bay, FL Tides - Oct 2022

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat7:121.79:051.01:321.03:190.37:157:10First Quarter1Sat
2Sun8:061.710:380.92:121.14:340.47:167:09First Quarter2Sun
3Mon9:181.63:101.25:540.47:167:08First Quarter3Mon
4Tue12:131.010:49 AM1.64:401.27:080.57:177:07First Quarter4Tue
5Wed1:141.012:151.66:161.18:100.57:177:06Waxing Gibbous5Wed
6Thu1:571.21:271.77:361.08:580.67:177:05Waxing Gibbous6Thu
7Fri2:321.32:271.78:410.89:380.67:187:04Waxing Gibbous7Fri
8Sat3:051.43:201.79:370.610:140.77:187:03Full Moon8Sat
9Sun3:371.64:081.710:270.510:470.77:197:02Full Moon9Sun
10Mon4:081.64:531.611:140.411:190.87:197:01Full Moon10Mon
11Tue4:391.75:361.511:580.311:510.97:207:00Full Moon11Tue
12Wed5:101.76:181.312:430.37:206:59Waning Gibbous12Wed
13Thu5:421.76:591.212:220.91:280.37:206:58Waning Gibbous13Thu
14Fri6:171.77:441.112:531.02:170.47:216:58Waning Gibbous14Fri
15Sat6:541.68:371.01:241.13:130.57:216:57Third Quarter15Sat
16Sun7:391.59:521.01:551.24:180.67:226:56Third Quarter16Sun
17Mon8:341.411:431.02:351.35:290.77:226:55Third Quarter17Mon
18Tue9:471.44:071.36:360.77:236:54Third Quarter18Tue
19Wed12:491.011:10 AM1.45:511.37:320.77:236:53Third Quarter19Wed
20Thu1:191.112:241.47:051.28:160.87:246:52Waning Crescent20Thu
21Fri1:441.21:221.58:021.18:510.87:246:51Waning Crescent21Fri
22Sat2:101.32:131.58:490.99:220.87:256:51Waning Crescent22Sat
23Sun2:361.43:001.59:310.79:500.87:256:50New Moon23Sun
24Mon3:051.63:461.510:120.510:180.87:266:49New Moon24Mon
25Tue3:351.64:321.410:530.310:470.97:266:48New Moon25Tue
26Wed4:071.75:181.411:350.111:180.97:276:47New Moon26Wed
27Thu4:421.86:071.312:210.07:286:47Waxing Crescent27Thu
28Fri5:201.86:591.11:100.07:286:46Waxing Crescent28Fri
29Sat6:041.87:561.012:250.92:060.17:296:45Waxing Crescent29Sat
30Sun6:551.79:041.01:051.03:100.27:296:44First Quarter30Sun
31Mon7:571.710:251.01:561.14:220.37:306:44First Quarter31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8723921)

Common Questions About Grassy Key, north side, Florida Bay, FL Tides

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

Slack tide in Grassy Key, north side, Florida Bay, FL is approximately 7:28 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 Grassy Key, north side, Florida Bay, FL?

Grassy Key, north side, Florida Bay, FL is currently in a neap phase. Tonight's moon is 58% 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 Grassy Key, north side, 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 Grassy Key, north side, Florida Bay, FL?

Tide predictions for Grassy Key, north side, 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 Grassy Key, north side, Florida Bay, FL?

Tide data for Grassy Key, north side, Florida Bay, FL is sourced from NOAA Station #8723921. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8723921.

What is the moon phase in Grassy Key, north side, Florida Bay, FL tonight?

Tonight the moon over Grassy Key, north side, Florida Bay, FL is Third Quarter (58% illuminated). This places Grassy Key, north side, Florida 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