Tides Today & Tomorrow in Dunedin, St. Joseph Sound, FL

TIDE TIMES for Tuesday, August 18, 2026
The tide is currently falling in Dunedin, St. Joseph Sound, FL.
Next low tide : in 2h 57m at 9:59 pm (1.4 ft)
Next high tide (tomorrow) : 4:22 am (2.8 ft)
Sunset today : 8:06 pm
Sunrise tomorrow : 7:02 am
Moon phase : First Quarter (36% illuminated)
Tide Station Location : Station #8726761
Common Questions About Tides

Dunedin, St. Joseph Sound, FL Tides - May 1931

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri12:262.511:43 AM3.06:110.76:57-0.56:518:04Full Moon1Fri
2Sat1:172.312:113.16:420.97:42-0.76:508:05Full Moon2Sat
3Sun2:082.112:423.27:101.08:27-0.76:498:06Full Moon3Sun
4Mon3:051.91:153.27:351.29:15-0.66:498:06Waning Gibbous4Mon
5Tue4:061.71:523.07:571.210:06-0.46:488:07Waning Gibbous5Tue
6Wed5:091.62:342.98:181.311:02-0.16:478:07Waning Gibbous6Wed
7Thu6:261.53:272.78:391.46:468:08Third Quarter7Thu
8Fri4:332.412:060.26:468:09Third Quarter8Fri
9Sat9:091.75:562.21:200.411:03 AM1.66:458:09Third Quarter9Sat
10Sun9:291.97:452.12:250.52:381.46:448:10Third Quarter10Sun
11Mon9:482.09:142.13:150.63:401.16:448:10Waning Crescent11Mon
12Tue10:072.210:192.13:540.74:280.86:438:11Waning Crescent12Tue
13Wed10:252.411:122.14:270.85:100.56:428:12Waning Crescent13Wed
14Thu10:442.611:562.14:570.95:480.26:428:12Waning Crescent14Thu
15Fri11:062.85:221.06:24-0.16:418:13Waning Crescent15Fri
16Sat12:352.111:29 AM2.95:461.16:59-0.36:418:13New Moon16Sat
17Sun1:152.011:53 AM3.06:101.17:35-0.46:408:14New Moon17Sun
18Mon1:581.912:203.16:361.28:14-0.56:398:14New Moon18Mon
19Tue2:511.812:513.17:051.28:58-0.56:398:15Waxing Crescent19Tue
20Wed3:531.81:273.17:371.39:47-0.56:398:16Waxing Crescent20Wed
21Thu4:561.72:103.18:131.410:40-0.36:388:16Waxing Crescent21Thu
22Fri5:591.73:063.09:001.511:38-0.26:388:17Waxing Crescent22Fri
23Sat7:041.84:172.810:101.56:378:17First Quarter23Sat
24Sun7:561.95:422.512:420.011:56 AM1.56:378:18First Quarter24Sun
25Mon8:322.17:282.31:460.32:041.36:368:18First Quarter25Mon
26Tue9:022.39:102.22:410.53:190.86:368:19Waxing Gibbous26Tue
27Wed9:292.610:342.23:280.74:190.36:368:20Waxing Gibbous27Wed
28Thu9:582.811:432.24:110.95:13-0.16:358:20Waxing Gibbous28Thu
29Fri10:303.04:511.16:02-0.46:358:21Waxing Gibbous29Fri
30Sat12:402.111:05 AM3.25:291.26:49-0.66:358:21Full Moon30Sat
31Sun1:312.011:41 AM3.36:041.27:34-0.76:358:22Full Moon31Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8726761)

Common Questions About Dunedin, St. Joseph Sound, FL Tides

Show All
What time does the tide turn (slack tide) in Dunedin, St. Joseph Sound, FL today?

Slack tide in Dunedin, St. Joseph Sound, FL is approximately 1:10 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 Dunedin, St. Joseph Sound, FL?

Dunedin, St. Joseph Sound, FL is currently in a transitional phase. Tonight's moon is 36% 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 Dunedin, St. Joseph Sound, 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 Dunedin, St. Joseph Sound, FL?

Tide predictions for Dunedin, St. Joseph Sound, 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 Dunedin, St. Joseph Sound, FL?

Tide data for Dunedin, St. Joseph Sound, FL is sourced from NOAA Station #8726761. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8726761.

What is the moon phase in Dunedin, St. Joseph Sound, FL tonight?

Tonight the moon over Dunedin, St. Joseph Sound, FL is First Quarter (36% illuminated). This places Dunedin, St. Joseph Sound, 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