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

TIDE TIMES for Saturday, July 4, 2026
The tide is currently falling in Mayport Naval Station, St Johns R, FL.
Next low tide : in 36m at 5:40 pm (0.5 ft)
Next high tide (tomorrow) : 12:21 am (4.6 ft)
Sunset today : 8:31 pm
Sunrise tomorrow : 6:28 am
Moon phase : Waning Gibbous (81% illuminated)
Tide Station Location : Station #8720211
Common Questions About Tides

Mayport Naval Station, St Johns R, FL Tides - Mar 1995

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed8:155.18:334.91:39-1.12:08-1.06:516:24New Moon1Wed
2Thu8:584.99:164.92:24-1.02:48-1.06:506:24New Moon2Thu
3Fri9:384.89:574.83:07-0.83:26-0.86:496:25Waxing Crescent3Fri
4Sat10:184.510:374.73:48-0.54:03-0.56:486:26Waxing Crescent4Sat
5Sun10:574.311:174.64:30-0.24:41-0.16:476:26Waxing Crescent5Sun
6Mon11:364.111:584.55:140.25:230.26:466:27Waxing Crescent6Mon
7Tue12:184.06:030.66:100.56:456:28First Quarter7Tue
8Wed12:424.31:043.86:570.87:020.76:446:29First Quarter8Wed
9Thu1:334.31:593.87:530.97:570.76:426:29First Quarter9Thu
10Fri2:314.23:003.88:471.08:530.76:416:30First Quarter10Fri
11Sat3:334.34:033.99:400.89:480.66:406:31Waxing Gibbous11Sat
12Sun4:324.44:594.110:310.610:420.36:396:31Waxing Gibbous12Sun
13Mon5:244.65:504.311:190.311:350.06:386:32Waxing Gibbous13Mon
14Tue6:124.76:374.612:050.06:366:32Waxing Gibbous14Tue
15Wed6:574.97:224.812:25-0.312:49-0.46:356:33Full Moon15Wed
16Thu7:425.08:065.11:12-0.71:31-0.76:346:34Full Moon16Thu
17Fri8:265.18:515.31:57-0.92:12-0.96:336:34Full Moon17Fri
18Sat9:125.19:375.42:43-1.02:54-1.06:326:35Full Moon18Sat
19Sun9:585.010:255.43:29-0.93:39-1.06:306:36Waning Gibbous19Sun
20Mon10:474.911:165.34:20-0.74:28-0.86:296:36Waning Gibbous20Mon
21Tue11:394.75:16-0.55:23-0.56:286:37Waning Gibbous21Tue
22Wed12:125.212:364.56:20-0.26:26-0.36:276:38Third Quarter22Wed
23Thu1:135.11:394.47:260.07:34-0.16:256:38Third Quarter23Thu
24Fri2:205.02:474.48:310.08:40-0.16:246:39Third Quarter24Fri
25Sat3:294.93:554.59:320.09:44-0.16:236:39Waning Crescent25Sat
26Sun4:334.94:564.710:29-0.110:45-0.26:226:40Waning Crescent26Sun
27Mon5:305.05:514.811:23-0.311:43-0.36:216:41Waning Crescent27Mon
28Tue6:215.06:415.012:14-0.46:196:41Waning Crescent28Tue
29Wed7:074.97:275.112:35-0.512:59-0.66:186:42New Moon29Wed
30Thu7:514.88:095.11:23-0.61:40-0.66:176:43New Moon30Thu
31Fri8:324.78:495.12:06-0.62:18-0.66:166:43New Moon31Fri
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 9:00 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 spring phase. Tonight's moon is 81% 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 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 Waning Gibbous (81% illuminated). This places Mayport Naval Station, St Johns R, 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