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

TIDE TIMES for Thursday, July 2, 2026
The tide is currently falling in Grassy Key, north side, Florida Bay, FL.
Next low tide (tomorrow) : in 4h 18m at 1:23 am (-0.2 ft)
Next high tide (tomorrow) : 7:00 am (0.8 ft)
Sunset today : 8:17 pm
Sunrise tomorrow : 6:38 am
Moon phase : Waning Gibbous (94% illuminated)
Tide Station Location : Station #8723921
Common Questions About Tides

Grassy Key, north side, Florida Bay, FL Tides - May 2056

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon5:491.05:131.512:01-0.611:44 AM0.36:477:54Waning Gibbous1Mon
2Tue6:410.95:581.512:52-0.612:260.36:467:54Waning Gibbous2Tue
3Wed7:350.86:471.41:46-0.51:110.46:467:55Waning Gibbous3Wed
4Thu8:340.77:401.32:44-0.42:030.56:457:55Waning Gibbous4Thu
5Fri9:410.78:421.23:47-0.23:110.66:447:56Third Quarter5Fri
6Sat10:560.79:561.14:52-0.14:340.66:447:56Third Quarter6Sat
7Sun12:030.85:550.15:590.66:437:57Third Quarter7Sun
8Mon12:530.96:520.27:140.56:427:57Waning Crescent8Mon
9Tue12:381.01:321.07:410.38:160.46:427:58Waning Crescent9Tue
10Wed1:401.02:031.18:240.39:070.26:417:58Waning Crescent10Wed
11Thu2:311.02:321.19:020.49:500.16:417:59Waning Crescent11Thu
12Fri3:150.92:591.29:360.410:280.06:407:59New Moon12Fri
13Sat3:550.93:271.310:070.411:04-0.16:408:00New Moon13Sat
14Sun4:330.93:561.310:370.411:38-0.26:398:00New Moon14Sun
15Mon5:110.94:281.311:050.46:398:01New Moon15Mon
16Tue5:500.85:001.312:13-0.311:33 AM0.56:388:01New Moon16Tue
17Wed6:310.85:351.312:50-0.312:020.56:388:02Waxing Crescent17Wed
18Thu7:150.86:121.31:30-0.312:350.66:378:02Waxing Crescent18Thu
19Fri8:030.76:531.22:14-0.21:140.66:378:03Waxing Crescent19Fri
20Sat8:560.77:421.23:03-0.22:050.76:378:03First Quarter20Sat
21Sun9:540.88:431.13:58-0.13:170.76:368:04First Quarter21Sun
22Mon10:510.810:011.14:550.04:430.76:368:04First Quarter22Mon
23Tue11:430.911:271.05:510.16:050.56:368:05First Quarter23Tue
24Wed12:291.06:440.27:170.36:358:05Waxing Gibbous24Wed
25Thu12:471.01:121.27:340.28:190.06:358:06Waxing Gibbous25Thu
26Fri1:561.01:541.38:200.39:16-0.26:358:06Waxing Gibbous26Fri
27Sat2:591.02:361.49:050.310:09-0.56:358:07Full Moon27Sat
28Sun3:561.03:201.59:490.311:00-0.66:348:07Full Moon28Sun
29Mon4:500.94:051.610:320.311:51-0.76:348:08Full Moon29Mon
30Tue5:420.94:521.611:160.36:348:08Full Moon30Tue
31Wed6:320.85:411.512:41-0.612:020.46:348:08Waning Gibbous31Wed
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 4:11 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 spring phase. Tonight's moon is 94% 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 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 Waning Gibbous (94% illuminated). This places Grassy Key, north side, 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