Tides Today & Tomorrow in Bay Shore, NY

TIDE TIMES for Thursday, July 30, 2026
The tide is currently falling in Bay Shore, NY.
Next low tide : in 4h 57m at 5:39 am (0.1 ft)
Next high tide : 11:21 am (1.0 ft)
Sunset today : 8:10 pm
Sunrise tomorrow : 5:48 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #8515102
Common Questions About Tides

Bay Shore, NY Tides - Aug 1970

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat10:161.010:261.24:330.24:240.35:498:09New Moon1Sat
2Sun10:571.011:041.25:140.15:080.35:508:08New Moon2Sun
3Mon11:371.011:401.15:520.15:500.35:518:06New Moon3Mon
4Tue12:151.06:270.16:290.35:528:05Waxing Crescent4Tue
5Wed12:141.112:531.06:590.17:060.35:538:04Waxing Crescent5Wed
6Thu12:481.11:301.07:290.27:410.35:548:03Waxing Crescent6Thu
7Fri1:221.02:081.07:580.28:190.45:558:02Waxing Crescent7Fri
8Sat2:011.02:471.08:260.39:020.55:568:01First Quarter8Sat
9Sun2:460.93:301.19:000.39:590.55:577:59First Quarter9Sun
10Mon3:370.94:181.19:460.411:120.55:587:58First Quarter10Mon
11Tue4:330.95:121.110:540.45:597:57First Quarter11Tue
12Wed5:360.96:161.112:240.412:110.46:007:55Waxing Gibbous12Wed
13Thu6:490.97:251.21:280.31:200.36:017:54Waxing Gibbous13Thu
14Fri8:001.08:281.32:250.22:220.26:027:53Waxing Gibbous14Fri
15Sat9:011.19:241.43:190.03:210.16:027:51Full Moon15Sat
16Sun9:541.110:161.44:11-0.14:180.06:037:50Full Moon16Sun
17Mon10:451.211:061.45:01-0.25:14-0.16:047:49Full Moon17Mon
18Tue11:361.311:561.45:49-0.36:07-0.16:057:47Full Moon18Tue
19Wed12:271.36:35-0.36:59-0.16:067:46Waning Gibbous19Wed
20Thu12:471.31:201.37:20-0.27:490.06:077:44Waning Gibbous20Thu
21Fri1:401.22:141.38:04-0.18:420.16:087:43Waning Gibbous21Fri
22Sat2:361.13:081.28:510.09:410.26:097:41Third Quarter22Sat
23Sun3:321.04:011.29:440.210:470.36:107:40Third Quarter23Sun
24Mon4:271.04:551.110:430.311:550.46:117:38Third Quarter24Mon
25Tue5:240.95:501.111:470.46:127:37Third Quarter25Tue
26Wed6:240.96:501.112:570.412:480.46:137:35Waning Crescent26Wed
27Thu7:260.97:491.11:510.41:430.46:147:34Waning Crescent27Thu
28Fri8:220.98:401.12:390.32:320.46:157:32Waning Crescent28Fri
29Sat9:101.09:231.13:220.23:170.36:167:31Waning Crescent29Sat
30Sun9:511.010:021.24:020.24:010.36:177:29New Moon30Sun
31Mon10:301.110:371.24:410.24:440.26:187:27New Moon31Mon
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 8:30 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 Bay Shore, NY?

Bay Shore, NY is currently in a spring phase. Tonight's moon is 99% 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 Full Moon (99% 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