Tides Today & Tomorrow in Nonopapa, Niihau Island, HI

TIDE TIMES for Tuesday, July 7, 2026
The tide is currently falling in Nonopapa, Niihau Island, HI.
Next low tide : in 48m at 4:28 pm (0.7 ft)
Next high tide : 8:43 pm (0.9 ft)
Sunset today : 7:28 pm
Sunrise tomorrow : 6:03 am
Moon phase : Third Quarter (49% illuminated)
Tide Station Location : Station #1610367
Common Questions About Tides

Nonopapa, Niihau Island, HI Tides - Sep 1998

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue12:451.55:230.27:470.46:246:57Waxing Gibbous1Tue
2Wed12:420.71:261.66:170.28:220.36:246:56Waxing Gibbous2Wed
3Thu1:280.82:051.77:070.18:550.26:246:55Waxing Gibbous3Thu
4Fri2:120.92:441.77:550.19:280.16:246:54Full Moon4Fri
5Sat2:551.03:221.78:430.010:010.16:256:53Full Moon5Sat
6Sun3:401.24:011.79:320.110:340.16:256:52Full Moon6Sun
7Mon4:261.34:401.610:240.111:090.16:256:51Full Moon7Mon
8Tue5:161.45:201.411:200.211:450.16:256:51Waning Gibbous8Tue
9Wed6:101.46:041.212:240.46:266:50Waning Gibbous9Wed
10Thu7:101.56:531.012:250.11:400.56:266:49Waning Gibbous10Thu
11Fri8:201.57:590.81:090.23:130.56:266:48Third Quarter11Fri
12Sat9:351.59:310.72:040.24:580.56:276:47Third Quarter12Sat
13Sun10:481.511:050.73:120.36:220.46:276:46Third Quarter13Sun
14Mon11:511.64:270.37:160.36:276:45Waning Crescent14Mon
15Tue12:160.812:431.65:360.37:540.36:276:44Waning Crescent15Tue
16Wed1:080.91:271.66:350.28:240.26:286:43Waning Crescent16Wed
17Thu1:510.92:061.67:250.28:510.26:286:42Waning Crescent17Thu
18Fri2:291.02:411.58:100.29:160.26:286:41New Moon18Fri
19Sat3:041.13:131.58:520.29:400.26:286:40New Moon19Sat
20Sun3:381.23:431.49:320.210:040.26:296:39New Moon20Sun
21Mon4:111.34:111.310:120.310:290.26:296:38New Moon21Mon
22Tue4:461.34:391.210:540.310:540.26:296:37Waxing Crescent22Tue
23Wed5:211.35:071.111:380.411:190.26:296:36Waxing Crescent23Wed
24Thu6:001.35:360.912:290.56:306:35Waxing Crescent24Thu
25Fri6:461.36:090.81:320.56:306:34Waxing Crescent25Fri
26Sat7:421.36:570.712:190.32:520.56:306:33First Quarter26Sat
27Sun8:521.38:310.61:010.34:220.56:316:32First Quarter27Sun
28Mon10:051.310:290.62:070.45:360.46:316:31First Quarter28Mon
29Tue11:081.411:420.73:330.46:260.36:316:30First Quarter29Tue
30Wed12:011.54:530.47:040.36:316:29Waxing Gibbous30Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (1610367)

Common Questions About Nonopapa, Niihau Island, HI Tides

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

Slack tide in Nonopapa, Niihau Island, HI is approximately 6:35 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 Nonopapa, Niihau Island, HI?

Nonopapa, Niihau Island, HI is currently in a neap phase. Tonight's moon is 49% 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 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 Third Quarter (49% illuminated). This places Nonopapa, Niihau Island, HI 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