Tides Today & Tomorrow in Nonopapa, Niihau Island, HI

TIDE TIMES for Monday, July 6, 2026
The tide is currently falling in Nonopapa, Niihau Island, HI.
Next low tide : in 4h 22m at 2:46 am (0.1 ft)
Next high tide : 9:27 am (0.9 ft)
Sunset today : 7:28 pm
Sunrise tomorrow : 6:02 am
Moon phase : Waning Gibbous (70% illuminated)
Tide Station Location : Station #1610367
Common Questions About Tides

Nonopapa, Niihau Island, HI Tides - Jul 2050

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri12:370.62:081.76:36-0.19:160.36:017:28Waxing Gibbous1Fri
2Sat1:320.62:471.87:18-0.19:570.26:027:28Waxing Gibbous2Sat
3Sun2:240.63:261.98:02-0.210:370.16:027:28Full Moon3Sun
4Mon3:140.64:071.98:47-0.211:160.16:027:28Full Moon4Mon
5Tue4:060.74:471.99:34-0.111:550.06:037:28Full Moon5Tue
6Wed5:000.75:281.810:240.06:037:28Waning Gibbous6Wed
7Thu5:590.86:101.712:350.011:18 AM0.16:037:28Waning Gibbous7Thu
8Fri7:040.96:531.51:160.012:200.36:047:28Waning Gibbous8Fri
9Sat8:171.07:391.31:580.01:380.56:047:28Third Quarter9Sat
10Sun9:341.18:321.12:420.03:160.66:047:28Third Quarter10Sun
11Mon10:481.39:360.93:280.05:080.66:057:27Third Quarter11Mon
12Tue11:501.510:500.74:160.06:530.56:057:27Third Quarter12Tue
13Wed12:441.65:060.08:070.46:067:27Waning Crescent13Wed
14Thu12:010.61:301.75:540.08:560.36:067:27Waning Crescent14Thu
15Fri1:020.62:111.86:410.09:340.36:067:27Waning Crescent15Fri
16Sat1:540.62:501.87:250.010:060.26:077:26Waning Crescent16Sat
17Sun2:400.63:251.88:080.010:340.26:077:26New Moon17Sun
18Mon3:220.73:591.78:480.011:020.26:087:26New Moon18Mon
19Tue4:020.74:301.79:270.011:290.26:087:26New Moon19Tue
20Wed4:420.85:001.610:060.111:580.26:097:25Waxing Crescent20Wed
21Thu5:240.85:291.510:460.26:097:25Waxing Crescent21Thu
22Fri6:090.85:571.412:270.211:28 AM0.36:097:25Waxing Crescent22Fri
23Sat7:000.96:241.212:580.212:160.56:107:24Waxing Crescent23Sat
24Sun8:010.96:531.11:310.21:190.66:107:24Waxing Crescent24Sun
25Mon9:121.07:270.92:070.22:460.76:117:24First Quarter25Mon
26Tue10:231.18:140.82:480.24:330.76:117:23First Quarter26Tue
27Wed11:241.39:350.73:340.16:140.66:117:23First Quarter27Wed
28Thu12:151.44:260.17:230.56:127:22First Quarter28Thu
29Fri1:001.65:190.18:100.46:127:22Waxing Gibbous29Fri
30Sat12:220.61:421.76:110.08:500.36:137:21Waxing Gibbous30Sat
31Sun1:200.72:231.87:02-0.19:260.26:137:21Waxing Gibbous31Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (1610367)

Common Questions About Nonopapa, Niihau Island, HI Tides

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What time does the tide turn (slack tide) in Nonopapa, Niihau Island, HI today?

Slack tide in Nonopapa, Niihau Island, HI is approximately 6:06 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 Nonopapa, Niihau Island, HI?

Nonopapa, Niihau Island, HI is currently in a transitional phase. Tonight's moon is 70% 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 shifting between spring and neap.

What datum are Nonopapa, Niihau Island, HI 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 Nonopapa, Niihau Island, HI?

Tide predictions for Nonopapa, Niihau Island, HI 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 Nonopapa, Niihau Island, HI?

Tide data for Nonopapa, Niihau Island, HI is sourced from NOAA Station #1610367. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=1610367.

What is the moon phase in Nonopapa, Niihau Island, HI tonight?

Tonight the moon over Nonopapa, Niihau Island, HI is Waning Gibbous (70% illuminated). This places Nonopapa, Niihau Island, HI in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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