Tides Today & Tomorrow in Sag Harbor, NY

TIDE TIMES for Tuesday, July 21, 2026
The tide is currently falling in Sag Harbor, NY.
Next low tide : in 1h 08m at 10:43 am (0.5 ft)
Next high tide : 5:25 pm (2.8 ft)
Sunset today : 8:16 pm
Sunrise tomorrow : 5:35 am
Moon phase : First Quarter (52% illuminated)
Tide Station Location : Station #8511629
Common Questions About Tides

Sag Harbor, NY Tides - Jan 2079

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun9:002.69:491.72:390.23:38-0.27:134:31New Moon1Sun
2Mon9:372.610:241.73:220.24:19-0.27:134:32New Moon2Mon
3Tue10:142.610:591.84:050.24:59-0.27:134:33New Moon3Tue
4Wed10:522.511:341.84:490.25:39-0.27:134:34New Moon4Wed
5Thu11:322.55:330.26:18-0.27:134:35Waxing Crescent5Thu
6Fri12:121.912:132.36:200.26:57-0.17:134:36Waxing Crescent6Fri
7Sat12:522.012:572.27:110.27:37-0.17:134:37Waxing Crescent7Sat
8Sun1:352.21:442.08:060.18:190.07:134:38Waxing Crescent8Sun
9Mon2:232.32:371.99:040.19:060.07:134:39First Quarter9Mon
10Tue3:162.43:361.710:050.09:570.07:134:40First Quarter10Tue
11Wed4:142.64:411.611:060.010:520.07:124:41First Quarter11Wed
12Thu5:152.75:501.612:06-0.17:124:42Waxing Gibbous12Thu
13Fri6:182.86:571.71:06-0.37:124:43Waxing Gibbous13Fri
14Sat7:192.98:001.812:50-0.12:02-0.47:114:44Waxing Gibbous14Sat
15Sun8:173.08:591.91:50-0.22:56-0.57:114:45Waxing Gibbous15Sun
16Mon9:123.09:542.02:47-0.33:46-0.57:104:46Full Moon16Mon
17Tue10:052.910:472.23:43-0.34:35-0.67:104:48Full Moon17Tue
18Wed10:572.811:382.24:37-0.35:21-0.57:094:49Full Moon18Wed
19Thu11:462.65:31-0.36:07-0.57:094:50Waning Gibbous19Thu
20Fri12:272.312:352.46:24-0.26:52-0.37:084:51Waning Gibbous20Fri
21Sat1:142.31:232.27:18-0.17:38-0.27:084:52Waning Gibbous21Sat
22Sun2:022.32:121.98:120.08:24-0.17:074:53Waning Gibbous22Sun
23Mon2:502.23:061.79:080.19:110.17:064:55Third Quarter23Mon
24Tue3:412.24:071.610:050.210:000.27:064:56Third Quarter24Tue
25Wed4:352.25:161.511:010.210:500.37:054:57Third Quarter25Wed
26Thu5:312.26:221.511:570.211:420.37:044:58Third Quarter26Thu
27Fri6:242.37:171.512:510.17:035:00Waning Crescent27Fri
28Sat7:122.38:031.512:330.31:420.07:025:01Waning Crescent28Sat
29Sun7:562.48:441.61:240.22:28-0.17:015:02Waning Crescent29Sun
30Mon8:362.59:201.72:130.23:11-0.27:015:03Waning Crescent30Mon
31Tue9:152.59:541.82:590.13:51-0.27:005:05New Moon31Tue
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 2:04 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 neap phase. Tonight's moon is 52% 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 minimum.

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 (52% illuminated). This places Sag Harbor, NY in a neap tide cycle, so tidal ranges are near their weekly minimum 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