Tides Today & Tomorrow in Three Mile Harbor, NY

TIDE TIMES for Friday, July 17, 2026
The tide is currently falling in Three Mile Harbor, NY.
Next low tide : in 1h 24m at 6:52 am (-0.1 ft)
Next high tide : 1:04 pm (2.9 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 5:31 am
Moon phase : Waxing Crescent (14% illuminated)
Tide Station Location : Station #8511171
Common Questions About Tides

Three Mile Harbor, NY Tides - Oct 1987

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu5:062.25:383.011:080.76:456:31First Quarter1Thu
2Fri6:172.46:433.012:050.412:140.66:466:30Waxing Gibbous2Fri
3Sat7:172.67:393.11:010.31:170.46:476:28Waxing Gibbous3Sat
4Sun8:092.88:293.11:540.22:160.36:486:26Waxing Gibbous4Sun
5Mon8:583.19:183.02:440.13:120.16:496:25Full Moon5Mon
6Tue9:463.310:052.93:310.04:050.06:506:23Full Moon6Tue
7Wed10:323.410:512.84:150.14:54-0.16:516:22Full Moon7Wed
8Thu11:173.411:392.74:580.15:430.06:526:20Full Moon8Thu
9Fri12:023.45:410.36:320.16:536:18Waning Gibbous9Fri
10Sat12:282.512:513.26:260.57:240.26:546:17Waning Gibbous10Sat
11Sun1:202.41:433.17:160.78:180.46:556:15Waning Gibbous11Sun
12Mon2:152.32:382.98:120.99:130.56:566:14Waning Gibbous12Mon
13Tue3:112.23:372.79:111.010:080.66:576:12Third Quarter13Tue
14Wed4:092.24:392.610:111.111:040.76:586:10Third Quarter14Wed
15Thu5:112.25:442.511:121.011:560.76:596:09Third Quarter15Thu
16Fri6:122.36:412.512:091.07:016:07Third Quarter16Fri
17Sat7:042.47:282.612:430.71:000.97:026:06Waning Crescent17Sat
18Sun7:492.68:102.61:250.61:460.77:036:04Waning Crescent18Sun
19Mon8:302.88:492.62:040.52:310.67:046:03Waning Crescent19Mon
20Tue9:082.99:272.62:410.53:130.47:056:01Waning Crescent20Tue
21Wed9:453.110:042.63:170.43:550.37:066:00New Moon21Wed
22Thu10:203.210:412.53:530.44:350.27:075:58New Moon22Thu
23Fri10:553.311:192.54:300.45:170.17:085:57New Moon23Fri
24Sat11:323.35:090.46:020.17:095:56Waxing Crescent24Sat
25Sun12:002.411:462.34:510.45:520.16:114:54Waxing Crescent25Sun
26Mon12:033.25:410.56:470.26:124:53Waxing Crescent26Mon
27Tue12:402.31:013.16:400.67:450.36:134:51Waxing Crescent27Tue
28Wed1:402.22:043.07:440.68:450.36:144:50First Quarter28Wed
29Thu2:452.33:112.98:510.69:440.36:154:49First Quarter29Thu
30Fri3:562.34:202.89:590.610:430.36:164:47First Quarter30Fri
31Sat5:062.55:252.711:060.511:380.26:184:46Waxing Gibbous31Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8511171)

Common Questions About Three Mile Harbor, NY Tides

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What time does the tide turn (slack tide) in Three Mile Harbor, NY today?

Slack tide in Three Mile Harbor, NY is approximately 9:58 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 Three Mile Harbor, NY?

Three Mile Harbor, NY is currently in a spring phase. Tonight's moon is 14% 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 Three Mile Harbor, NY 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 Three Mile Harbor, NY?

Tide predictions for Three Mile Harbor, NY 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 Three Mile Harbor, NY?

Tide data for Three Mile Harbor, NY is sourced from NOAA Station #8511171. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8511171.

What is the moon phase in Three Mile Harbor, NY tonight?

Tonight the moon over Three Mile Harbor, NY is Waxing Crescent (14% illuminated). This places Three Mile Harbor, NY 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