Tides Today & Tomorrow in Great River, NY

TIDE TIMES for Tuesday, June 30, 2026
The tide is currently rising in Great River, NY.
Next low tide (tomorrow) : 7:12 am (0.0 ft)
Next high tide (tomorrow) : in 5h 19m at 12:19 am (0.8 ft)
Sunset today : 8:27 pm
Sunrise tomorrow : 5:24 am
Moon phase : Full Moon (100% illuminated)
Tide Station Location : Station #8514783
Common Questions About Tides

Great River, NY Tides - Jun 2030

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat12:010.76:210.06:100.15:238:17New Moon1Sat
2Sun12:050.812:410.77:020.06:510.15:238:18New Moon2Sun
3Mon12:390.81:220.77:400.07:300.15:228:19Waxing Crescent3Mon
4Tue1:130.82:030.68:170.08:070.15:228:19Waxing Crescent4Tue
5Wed1:490.82:460.68:520.18:440.15:218:20Waxing Crescent5Wed
6Thu2:290.73:320.69:280.19:260.25:218:21Waxing Crescent6Thu
7Fri3:160.74:190.710:080.110:170.25:218:21First Quarter7Fri
8Sat4:090.75:070.710:560.111:230.25:218:22First Quarter8Sat
9Sun5:040.75:570.711:530.15:218:22First Quarter9Sun
10Mon6:020.76:510.812:350.112:540.15:208:23First Quarter10Mon
11Tue7:040.77:510.81:430.11:530.05:208:23Waxing Gibbous11Tue
12Wed8:120.78:530.92:450.12:510.05:208:24Waxing Gibbous12Wed
13Thu9:190.79:520.93:440.03:470.05:208:24Waxing Gibbous13Thu
14Fri10:190.710:461.04:400.04:430.05:208:25Full Moon14Fri
15Sat11:150.811:391.05:36-0.15:400.05:208:25Full Moon15Sat
16Sun12:100.86:30-0.16:370.05:208:25Full Moon16Sun
17Mon12:321.01:060.87:22-0.17:310.05:208:26Waning Gibbous17Mon
18Tue1:250.92:020.88:11-0.18:220.05:218:26Waning Gibbous18Tue
19Wed2:190.92:580.88:59-0.19:130.05:218:26Waning Gibbous19Wed
20Thu3:140.83:540.89:470.010:080.15:218:27Waning Gibbous20Thu
21Fri4:080.84:460.810:360.011:070.15:218:27Third Quarter21Fri
22Sat4:590.75:360.711:280.15:218:27Third Quarter22Sat
23Sun5:480.76:230.712:090.212:210.15:228:27Third Quarter23Sun
24Mon6:380.77:120.71:100.21:120.15:228:27Third Quarter24Mon
25Tue7:310.68:030.72:050.22:000.15:228:27Waning Crescent25Tue
26Wed8:270.68:540.82:560.12:460.15:238:28Waning Crescent26Wed
27Thu9:220.69:410.83:420.13:310.15:238:28Waning Crescent27Thu
28Fri10:110.610:240.84:270.14:150.15:238:28Waning Crescent28Fri
29Sat10:550.711:040.85:120.15:000.15:248:28New Moon29Sat
30Sun11:370.711:410.85:550.15:450.15:248:27New Moon30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8514783)

Common Questions About Great River, NY Tides

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

Slack tide in Great River, NY is approximately 3:45 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 Great River, NY?

Great River, NY is currently in a spring phase. Tonight's moon is 100% 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 Great River, 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 Great River, NY?

Tide predictions for Great River, 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 Great River, NY?

Tide data for Great River, NY is sourced from NOAA Station #8514783. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8514783.

What is the moon phase in Great River, NY tonight?

Tonight the moon over Great River, NY is Full Moon (100% illuminated). This places Great River, 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