Tides Today & Tomorrow in Nonopapa, Niihau Island, HI

TIDE TIMES for Friday, July 10, 2026
The tide is currently falling in Nonopapa, Niihau Island, HI.
Next low tide : in 6h 40m at 9:00 pm (0.3 ft)
Next high tide (tomorrow) : 12:32 am (0.5 ft)
Sunset today : 7:27 pm
Sunrise tomorrow : 6:04 am
Moon phase : Waning Crescent (17% illuminated)
Tide Station Location : Station #1610367
Common Questions About Tides

Nonopapa, Niihau Island, HI Tides - Sep 2057

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat5:201.15:191.411:080.311:570.26:246:57Waxing Crescent1Sat
2Sun6:091.25:521.212:060.46:246:56Waxing Crescent2Sun
3Mon7:071.36:291.012:270.21:190.56:246:55Waxing Crescent3Mon
4Tue8:161.47:150.81:020.22:570.66:256:54First Quarter4Tue
5Wed9:331.58:330.71:470.24:530.66:256:53First Quarter5Wed
6Thu10:481.610:280.62:470.26:310.56:256:52First Quarter6Thu
7Fri11:521.711:560.64:010.27:280.36:256:51First Quarter7Fri
8Sat12:461.85:160.28:080.26:266:50Waxing Gibbous8Sat
9Sun12:590.71:341.86:210.18:420.26:266:49Waxing Gibbous9Sun
10Mon1:490.82:181.87:190.19:140.16:266:48Waxing Gibbous10Mon
11Tue2:340.92:581.88:120.19:430.16:276:47Full Moon11Tue
12Wed3:171.13:351.79:010.110:120.16:276:46Full Moon12Wed
13Thu3:591.24:111.69:490.210:390.16:276:45Full Moon13Thu
14Fri4:401.34:441.410:370.211:060.16:276:44Waning Gibbous14Fri
15Sat5:221.35:161.211:270.411:330.26:286:43Waning Gibbous15Sat
16Sun6:061.45:471.012:220.56:286:42Waning Gibbous16Sun
17Mon6:541.46:180.912:000.21:280.56:286:41Waning Gibbous17Mon
18Tue7:501.36:550.712:300.32:530.66:286:40Third Quarter18Tue
19Wed8:581.38:230.61:060.34:490.66:296:39Third Quarter19Wed
20Thu10:121.310:400.62:000.46:290.56:296:38Third Quarter20Thu
21Fri11:181.411:580.63:200.47:100.46:296:37Third Quarter21Fri
22Sat12:101.44:410.47:370.36:296:36Third Quarter22Sat
23Sun12:450.712:531.55:450.38:020.36:306:35Waning Crescent23Sun
24Mon1:210.81:301.56:370.38:260.26:306:34Waning Crescent24Mon
25Tue1:540.92:041.67:230.28:510.26:306:33Waning Crescent25Tue
26Wed2:271.02:371.68:070.29:150.16:316:32New Moon26Wed
27Thu3:021.13:091.58:510.29:400.16:316:31New Moon27Thu
28Fri3:381.33:411.49:370.210:050.16:316:30New Moon28Fri
29Sat4:171.44:141.310:260.210:310.16:316:29New Moon29Sat
30Sun5:001.54:491.111:210.310:590.16:326:29Waxing Crescent30Sun
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 10:46 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 spring phase. Tonight's moon is 17% 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 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 Crescent (17% illuminated). This places Nonopapa, Niihau Island, HI 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