Tides Today & Tomorrow in Mayport Naval Station, St Johns R, FL

TIDE TIMES for Friday, August 7, 2026
The tide is currently rising in Mayport Naval Station, St Johns R, FL.
Next low tide : 10:28 pm (0.6 ft)
Next high tide : in 3h 20m at 4:16 pm (5.3 ft)
Sunset today : 8:15 pm
Sunrise tomorrow : 6:47 am
Moon phase : Third Quarter (32% illuminated)
Tide Station Location : Station #8720211
Common Questions About Tides

Mayport Naval Station, St Johns R, FL Tides - Apr 1950

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat6:555.17:225.312:26-0.612:49-0.76:156:44Full Moon1Sat
2Sun7:445.28:105.61:19-0.91:34-1.06:136:44Full Moon2Sun
3Mon8:325.29:005.72:09-1.12:19-1.26:126:45Full Moon3Mon
4Tue9:225.09:505.82:59-1.13:05-1.16:116:46Waning Gibbous4Tue
5Wed10:134.910:435.73:51-0.93:53-0.96:106:46Waning Gibbous5Wed
6Thu11:064.611:385.54:47-0.64:46-0.66:096:47Waning Gibbous6Thu
7Fri12:014.45:48-0.25:46-0.26:076:47Waning Gibbous7Fri
8Sat12:385.21:024.26:560.16:540.16:066:48Third Quarter8Sat
9Sun1:435.02:094.18:020.38:040.36:056:49Third Quarter9Sun
10Mon2:524.83:184.29:040.49:100.46:046:49Third Quarter10Mon
11Tue3:584.74:214.310:000.410:110.46:036:50Waning Crescent11Tue
12Wed4:554.75:164.510:520.311:070.36:026:51Waning Crescent12Wed
13Thu5:444.76:044.711:390.211:590.26:006:51Waning Crescent13Thu
14Fri6:284.66:464.812:210.15:596:52Waning Crescent14Fri
15Sat7:084.57:254.912:450.112:580.05:586:52New Moon15Sat
16Sun7:464.48:025.01:270.01:33-0.15:576:53New Moon16Sun
17Mon8:224.38:385.02:040.02:040.05:566:54New Moon17Mon
18Tue8:584.29:135.02:390.02:340.05:556:54New Moon18Tue
19Wed9:344.19:484.93:130.23:050.25:546:55Waxing Crescent19Wed
20Thu10:114.010:244.83:470.33:370.35:536:56Waxing Crescent20Thu
21Fri10:493.911:034.84:230.64:140.55:526:56Waxing Crescent21Fri
22Sat11:293.811:454.75:060.84:580.75:516:57Waxing Crescent22Sat
23Sun12:143.85:560.95:520.95:506:58First Quarter23Sun
24Mon12:334.61:063.86:541.06:550.95:496:58First Quarter24Mon
25Tue1:284.62:074.07:520.98:000.85:476:59First Quarter25Tue
26Wed2:304.63:124.28:470.79:040.65:476:59First Quarter26Wed
27Thu3:354.74:154.59:400.310:060.35:467:00Waxing Gibbous27Thu
28Fri4:354.85:114.910:330.011:06-0.15:457:01Waxing Gibbous28Fri
29Sat5:324.96:045.311:24-0.45:447:01Waxing Gibbous29Sat
30Sun7:254.97:565.712:05-0.51:15-0.86:438:02Full Moon30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8720211)

Common Questions About Mayport Naval Station, St Johns R, FL Tides

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What time does the tide turn (slack tide) in Mayport Naval Station, St Johns R, FL today?

Slack tide in Mayport Naval Station, St Johns R, FL is approximately 7:22 pm — 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 Mayport Naval Station, St Johns R, FL?

Mayport Naval Station, St Johns R, FL is currently in a transitional phase. Tonight's moon is 32% 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 shifting between spring and neap.

What datum are Mayport Naval Station, St Johns R, 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 Mayport Naval Station, St Johns R, FL?

Tide predictions for Mayport Naval Station, St Johns R, 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 Mayport Naval Station, St Johns R, FL?

Tide data for Mayport Naval Station, St Johns R, FL is sourced from NOAA Station #8720211. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8720211.

What is the moon phase in Mayport Naval Station, St Johns R, FL tonight?

Tonight the moon over Mayport Naval Station, St Johns R, FL is Third Quarter (32% illuminated). This places Mayport Naval Station, St Johns R, FL in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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