Tides Today & Tomorrow in St. Petersburg, FL

TIDE TIMES for Monday, August 17, 2026
The tide is currently falling in St. Petersburg, FL.
Next low tide : in 3h 37m at 12:10 pm (0.6 ft)
Next high tide : 6:25 pm (1.9 ft)
Sunset today : 8:06 pm
Sunrise tomorrow : 7:02 am
Moon phase : Waxing Crescent (27% illuminated)
Tide Station Location : Station #8726520
Common Questions About Tides

St. Petersburg, FL Tides - Mar 1928

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu9:261.95:04-0.66:546:31Waxing Gibbous1Thu
2Fri2:251.36:05-0.64:421.26:536:31Waxing Gibbous2Fri
3Sat2:271.36:51-0.65:521.06:526:32Waxing Gibbous3Sat
4Sun2:351.37:28-0.56:440.96:516:32Full Moon4Sun
5Mon12:392.02:441.37:58-0.47:290.76:506:33Full Moon5Mon
6Tue1:231.92:511.48:24-0.28:100.56:496:34Full Moon6Tue
7Wed2:051.82:591.58:480.08:500.46:486:34Full Moon7Wed
8Thu2:471.73:131.69:110.19:290.26:476:35Waning Gibbous8Thu
9Fri3:301.63:321.79:330.310:100.16:466:35Waning Gibbous9Fri
10Sat4:171.43:561.89:520.410:550.06:456:36Waning Gibbous10Sat
11Sun5:101.24:211.810:070.611:46-0.16:446:36Waning Gibbous11Sun
12Mon6:141.04:491.910:180.76:436:37Third Quarter12Mon
13Tue8:020.95:221.912:49-0.110:09 AM0.96:426:38Third Quarter13Tue
14Wed6:051.82:04-0.26:416:38Third Quarter14Wed
15Thu7:181.83:24-0.26:396:39Third Quarter15Thu
16Fri8:541.84:37-0.36:386:39Waning Crescent16Fri
17Sat1:421.45:34-0.44:331.36:376:40Waning Crescent17Sat
18Sun1:451.46:19-0.55:331.16:366:40Waning Crescent18Sun
19Mon1:551.46:57-0.46:220.96:356:41Waning Crescent19Mon
20Tue12:162.12:031.57:32-0.37:090.66:346:41New Moon20Tue
21Wed1:082.12:141.68:04-0.17:560.36:336:42New Moon21Wed
22Thu2:002.02:291.78:330.18:440.06:326:42New Moon22Thu
23Fri2:551.82:511.99:000.49:35-0.26:306:43Waxing Crescent23Fri
24Sat3:541.63:182.19:230.610:30-0.36:296:43Waxing Crescent24Sat
25Sun5:011.43:492.29:390.811:31-0.46:286:44Waxing Crescent25Sun
26Mon6:281.14:262.29:391.06:276:44Waxing Crescent26Mon
27Tue5:102.212:40-0.46:266:45First Quarter27Tue
28Wed6:092.12:01-0.46:256:46First Quarter28Wed
29Thu7:381.93:27-0.46:246:46First Quarter29Thu
30Fri1:221.44:43-0.33:411.36:226:47Waxing Gibbous30Fri
31Sat1:161.55:38-0.35:091.16:216:47Waxing Gibbous31Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8726520)

Common Questions About St. Petersburg, FL Tides

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What time does the tide turn (slack tide) in St. Petersburg, FL today?

Slack tide in St. Petersburg, FL is approximately 3:17 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 St. Petersburg, FL?

St. Petersburg, FL is currently in a transitional phase. Tonight's moon is 27% 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 St. Petersburg, 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 St. Petersburg, FL?

Tide predictions for St. Petersburg, 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 St. Petersburg, FL?

Tide data for St. Petersburg, FL is sourced from NOAA Station #8726520. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8726520.

What is the moon phase in St. Petersburg, FL tonight?

Tonight the moon over St. Petersburg, FL is Waxing Crescent (27% illuminated). This places St. Petersburg, 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