Tides Today & Tomorrow in Mamaroneck, NY

TIDE TIMES for Thursday, August 20, 2026
The tide is currently falling in Mamaroneck, NY.
Next low tide (tomorrow) : in 3h 12m at 1:09 am (1.0 ft)
Next high tide (tomorrow) : 7:09 am (6.1 ft)
Sunset today : 7:46 pm
Sunrise tomorrow : 6:10 am
Moon phase : First Quarter (55% illuminated)
Tide Station Location : Station #8518091
Common Questions About Tides

Mamaroneck, NY Tides - Mar 1931

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun8:118.08:597.52:110.73:070.06:305:44Waxing Gibbous1Sun
2Mon9:118.49:498.03:140.13:59-0.56:285:46Waxing Gibbous2Mon
3Tue10:048.710:368.44:09-0.54:45-0.96:275:47Full Moon3Tue
4Wed10:548.811:218.75:01-1.05:29-1.16:255:48Full Moon4Wed
5Thu11:438.75:50-1.36:11-1.26:235:49Full Moon5Thu
6Fri12:068.812:328.46:38-1.46:54-1.06:225:50Waning Gibbous6Fri
7Sat12:528.81:217.97:28-1.37:38-0.76:205:51Waning Gibbous7Sat
8Sun1:398.52:137.48:21-0.98:26-0.26:195:52Waning Gibbous8Sun
9Mon2:308.13:116.89:20-0.59:210.36:175:53Third Quarter9Mon
10Tue3:267.64:166.410:270.010:290.86:155:55Third Quarter10Tue
11Wed4:357.15:326.111:390.411:481.16:145:56Third Quarter11Wed
12Thu5:576.86:496.212:490.66:125:57Third Quarter12Thu
13Fri7:166.87:546.41:051.11:530.66:105:58Waning Crescent13Fri
14Sat8:197.08:496.82:100.92:480.46:095:59Waning Crescent14Sat
15Sun9:117.29:367.13:050.73:350.36:076:00Waning Crescent15Sun
16Mon9:557.410:167.33:520.44:160.16:066:01Waning Crescent16Mon
17Tue10:347.510:517.54:330.24:520.06:046:02New Moon17Tue
18Wed11:087.511:207.55:080.15:200.06:026:03New Moon18Wed
19Thu11:367.411:417.65:380.05:440.06:016:04New Moon19Thu
20Fri12:017.36:04-0.16:050.15:596:05New Moon20Fri
21Sat12:027.712:277.26:30-0.16:320.15:576:07Waxing Crescent21Sat
22Sun12:297.812:597.17:00-0.17:040.35:566:08Waxing Crescent22Sun
23Mon1:037.81:377.07:350.17:420.55:546:09Waxing Crescent23Mon
24Tue1:437.82:206.98:170.38:270.85:526:10Waxing Crescent24Tue
25Wed2:297.83:096.89:060.69:181.05:516:11First Quarter25Wed
26Thu3:207.74:056.710:030.810:181.35:496:12First Quarter26Thu
27Fri4:197.65:106.711:111.011:261.35:476:13First Quarter27Fri
28Sat5:267.56:236.912:271.05:466:14First Quarter28Sat
29Sun6:407.77:367.412:421.21:410.75:446:15Waxing Gibbous29Sun
30Mon7:548.08:358.01:570.72:410.25:426:16Waxing Gibbous30Mon
31Tue8:558.49:268.53:000.13:32-0.35:416:17Waxing Gibbous31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8518091)

Common Questions About Mamaroneck, NY Tides

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

Slack tide in Mamaroneck, NY is approximately 4:09 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 Mamaroneck, NY?

Mamaroneck, NY is currently in a neap phase. Tonight's moon is 55% 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 Mamaroneck, 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 Mamaroneck, NY?

Tide predictions for Mamaroneck, 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 Mamaroneck, NY?

Tide data for Mamaroneck, NY is sourced from NOAA Station #8518091. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8518091.

What is the moon phase in Mamaroneck, NY tonight?

Tonight the moon over Mamaroneck, NY is First Quarter (55% illuminated). This places Mamaroneck, 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