Tides Today & Tomorrow in Sag Harbor, NY

TIDE TIMES for Tuesday, August 18, 2026
The tide is currently rising in Sag Harbor, NY.
Next low tide : 10:11 pm (0.6 ft)
Next high tide : in 4h 21m at 3:39 pm (2.8 ft)
Sunset today : 7:43 pm
Sunrise tomorrow : 6:02 am
Moon phase : First Quarter (36% illuminated)
Tide Station Location : Station #8511629
Common Questions About Tides

Sag Harbor, NY Tides - Nov 1932

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue12:033.45:470.26:47-0.16:204:45Waxing Crescent1Tue
2Wed12:452.41:013.26:440.37:430.16:214:44Waxing Crescent2Wed
3Thu1:482.42:033.07:470.48:410.26:224:43First Quarter3Thu
4Fri2:592.33:132.78:530.59:400.36:234:41First Quarter4Fri
5Sat4:142.44:292.610:010.510:370.36:244:40First Quarter5Sat
6Sun5:212.55:412.511:070.511:300.46:264:39First Quarter6Sun
7Mon6:182.66:422.412:080.46:274:38Waxing Gibbous7Mon
8Tue7:062.77:342.312:200.41:040.36:284:37Waxing Gibbous8Tue
9Wed7:482.88:212.31:070.41:530.26:294:36Waxing Gibbous9Wed
10Thu8:242.99:022.31:500.42:380.26:304:35Waxing Gibbous10Thu
11Fri8:572.99:402.22:310.43:200.16:324:34Full Moon11Fri
12Sat9:292.910:142.13:110.54:000.16:334:33Full Moon12Sat
13Sun10:012.910:472.13:500.54:410.16:344:32Full Moon13Sun
14Mon10:352.811:212.04:290.55:220.16:354:31Full Moon14Mon
15Tue11:122.811:572.05:090.66:040.26:364:30Waning Gibbous15Tue
16Wed11:512.75:500.76:480.36:384:30Waning Gibbous16Wed
17Thu12:361.912:332.66:350.77:340.36:394:29Waning Gibbous17Thu
18Fri1:201.91:182.57:260.78:200.46:404:28Waning Gibbous18Fri
19Sat2:072.02:092.48:230.79:070.46:414:27Third Quarter19Sat
20Sun2:592.13:052.39:240.79:540.46:424:27Third Quarter20Sun
21Mon3:532.34:062.210:260.510:410.46:434:26Third Quarter21Mon
22Tue4:482.55:102.111:250.411:290.36:454:25Third Quarter22Tue
23Wed5:422.86:112.112:230.26:464:25Waning Crescent23Wed
24Thu6:343.07:082.112:170.21:18-0.16:474:24Waning Crescent24Thu
25Fri7:253.28:022.21:070.12:11-0.26:484:24Waning Crescent25Fri
26Sat8:163.48:552.21:580.03:03-0.46:494:23New Moon26Sat
27Sun9:083.59:472.32:50-0.13:54-0.46:504:23New Moon27Sun
28Mon10:003.410:412.33:43-0.14:44-0.46:514:22New Moon28Mon
29Tue10:543.311:372.34:36-0.15:35-0.46:524:22Waxing Crescent29Tue
30Wed11:493.15:320.06:27-0.36:534:22Waxing Crescent30Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8511629)

Common Questions About Sag Harbor, NY Tides

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

Slack tide in Sag Harbor, NY is approximately 6:55 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 Sag Harbor, NY?

Sag Harbor, NY 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 Sag 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 Sag Harbor, NY?

Tide predictions for Sag 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 Sag Harbor, NY?

Tide data for Sag Harbor, NY is sourced from NOAA Station #8511629. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8511629.

What is the moon phase in Sag Harbor, NY tonight?

Tonight the moon over Sag Harbor, NY is First Quarter (36% illuminated). This places Sag Harbor, NY 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