Tides Today & Tomorrow in Nonopapa, Niihau Island, HI

TIDE TIMES for Monday, June 22, 2026
The tide is currently falling in Nonopapa, Niihau Island, HI.
Next low tide : in 6h 58m at 4:22 am (0.0 ft)
Next high tide : 11:40 am (1.2 ft)
Sunset today : 7:26 pm
Sunrise tomorrow : 5:58 am
Moon phase : First Quarter (50% illuminated)
Tide Station Location : Station #1610367
Common Questions About Tides

Nonopapa, Niihau Island, HI Tides - Sep 2020

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue3:180.93:421.78:540.110:250.26:246:57Full Moon1Tue
2Wed3:541.04:121.69:340.210:490.26:246:56Full Moon2Wed
3Thu4:291.04:401.510:140.211:130.26:246:55Full Moon3Thu
4Fri5:061.15:071.310:550.311:370.26:256:54Waning Gibbous4Fri
5Sat5:441.25:321.211:410.46:256:53Waning Gibbous5Sat
6Sun6:271.25:571.012:030.212:340.56:256:52Waning Gibbous6Sun
7Mon7:181.26:230.912:290.31:440.66:256:51Waning Gibbous7Mon
8Tue8:221.26:550.71:000.33:230.66:266:50Third Quarter8Tue
9Wed9:381.38:100.61:410.35:230.66:266:49Third Quarter9Wed
10Thu10:501.410:410.62:400.36:470.56:266:48Third Quarter10Thu
11Fri11:491.511:590.63:550.37:270.46:266:47Third Quarter11Fri
12Sat12:371.65:070.37:590.36:276:46Waning Crescent12Sat
13Sun12:510.71:211.76:080.28:290.26:276:45Waning Crescent13Sun
14Mon1:350.82:011.87:020.18:580.26:276:44Waning Crescent14Mon
15Tue2:170.92:401.87:540.19:280.16:286:43New Moon15Tue
16Wed3:001.13:191.78:450.19:580.16:286:42New Moon16Wed
17Thu3:441.23:571.69:370.110:280.06:286:41New Moon17Thu
18Fri4:311.44:351.510:320.210:590.06:286:40New Moon18Fri
19Sat5:201.55:141.311:320.311:320.16:296:39Waxing Crescent19Sat
20Sun6:131.55:551.112:410.46:296:38Waxing Crescent20Sun
21Mon7:131.66:430.812:060.12:040.56:296:37Waxing Crescent21Mon
22Tue8:221.67:530.712:450.23:480.56:296:36First Quarter22Tue
23Wed9:371.69:470.61:360.25:410.46:306:35First Quarter23Wed
24Thu10:501.611:300.62:480.36:500.36:306:34First Quarter24Thu
25Fri11:521.64:160.37:310.36:306:33First Quarter25Fri
26Sat12:350.712:431.65:330.38:010.26:316:32Waxing Gibbous26Sat
27Sun1:200.81:271.66:350.38:260.26:316:31Waxing Gibbous27Sun
28Mon1:570.92:041.67:260.38:480.26:316:30Waxing Gibbous28Mon
29Tue2:301.02:371.58:100.29:080.26:316:29Full Moon29Tue
30Wed3:021.13:061.48:520.39:290.26:326:29Full Moon30Wed
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 8:01 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 neap phase. Tonight's moon is 50% 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 First Quarter (50% 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