Tides Today & Tomorrow in Bay Shore, NY

TIDE TIMES for Friday, July 31, 2026
The tide is currently rising in Bay Shore, NY.
Next low tide : 6:20 pm (0.2 ft)
Next high tide : in 2h 58m at 11:57 am (1.0 ft)
Sunset today : 8:09 pm
Sunrise tomorrow : 5:48 am
Moon phase : Waning Gibbous (96% illuminated)
Tide Station Location : Station #8515102
Common Questions About Tides

Bay Shore, NY Tides - Apr 1967

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat2:501.13:240.99:330.19:440.35:376:16Third Quarter1Sat
2Sun3:481.04:240.810:430.210:570.35:356:17Third Quarter2Sun
3Mon4:481.05:270.811:470.25:336:19Third Quarter3Mon
4Tue5:511.06:290.912:020.312:410.25:326:20Waning Crescent4Tue
5Wed6:511.07:230.912:570.31:270.15:306:21Waning Crescent5Wed
6Thu7:411.08:071.01:450.22:080.15:286:22Waning Crescent6Thu
7Fri8:241.08:461.02:290.12:470.05:276:23Waning Crescent7Fri
8Sat9:031.09:211.13:110.13:240.05:256:24New Moon8Sat
9Sun9:391.09:541.13:520.04:000.05:246:25New Moon9Sun
10Mon10:141.010:261.14:320.04:350.05:226:26New Moon10Mon
11Tue10:491.010:551.15:100.05:080.15:206:27New Moon11Tue
12Wed11:240.911:241.15:450.15:390.15:196:28Waxing Crescent12Wed
13Thu12:010.96:200.16:090.25:176:29Waxing Crescent13Thu
14Fri12:420.96:550.26:400.35:166:30Waxing Crescent14Fri
15Sat12:341.01:310.87:350.27:170.35:146:31Waxing Crescent15Sat
16Sun1:251.02:270.88:270.38:080.45:136:32First Quarter16Sun
17Mon2:261.03:260.89:390.39:260.45:116:33First Quarter17Mon
18Tue3:301.04:270.910:510.310:520.35:106:34First Quarter18Tue
19Wed4:371.05:310.911:530.25:086:35Waxing Gibbous19Wed
20Thu5:471.16:351.112:030.212:480.05:076:36Waxing Gibbous20Thu
21Fri6:531.17:321.21:040.11:38-0.15:056:37Waxing Gibbous21Fri
22Sat7:511.28:231.32:01-0.12:26-0.25:046:38Waxing Gibbous22Sat
23Sun8:431.29:111.42:56-0.23:15-0.35:026:39Full Moon23Sun
24Mon9:331.29:591.43:50-0.34:04-0.35:016:40Full Moon24Mon
25Tue10:231.210:481.44:42-0.34:52-0.24:596:41Full Moon25Tue
26Wed11:151.111:381.35:33-0.35:40-0.24:586:43Waning Gibbous26Wed
27Thu12:101.16:22-0.26:270.04:576:44Waning Gibbous27Thu
28Fri12:311.21:081.07:12-0.17:160.14:556:45Waning Gibbous28Fri
29Sat1:281.22:081.08:060.18:120.34:546:46Third Quarter29Sat
30Sun3:261.14:060.910:070.210:180.45:537:47Third Quarter30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8515102)

Common Questions About Bay Shore, NY Tides

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

Slack tide in Bay Shore, NY is approximately 3:08 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 Bay Shore, NY?

Bay Shore, NY is currently in a spring phase. Tonight's moon is 96% 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 Bay Shore, 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 Bay Shore, NY?

Tide predictions for Bay Shore, 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 Bay Shore, NY?

Tide data for Bay Shore, NY is sourced from NOAA Station #8515102. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8515102.

What is the moon phase in Bay Shore, NY tonight?

Tonight the moon over Bay Shore, NY is Waning Gibbous (96% illuminated). This places Bay Shore, 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