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 3h 52m 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 - Sep 2000

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri6:081.25:591.312:030.46:246:57Waxing Crescent1Fri
2Sat7:031.36:371.112:290.21:070.56:246:56Waxing Crescent2Sat
3Sun8:041.37:190.91:040.22:260.66:246:55First Quarter3Sun
4Mon9:141.38:220.71:430.34:070.66:256:54First Quarter4Mon
5Tue10:251.410:040.62:330.36:020.66:256:53First Quarter5Tue
6Wed11:291.411:340.63:380.37:100.56:256:52First Quarter6Wed
7Thu12:211.54:460.37:460.46:256:51Waxing Gibbous7Thu
8Fri12:340.71:051.55:470.38:140.36:266:50Waxing Gibbous8Fri
9Sat1:170.71:421.66:380.28:390.36:266:49Waxing Gibbous9Sat
10Sun1:530.82:171.67:220.29:040.26:266:48Waxing Gibbous10Sun
11Mon2:260.92:481.68:030.29:300.26:266:47Full Moon11Mon
12Tue2:591.03:191.68:420.29:560.26:276:46Full Moon12Tue
13Wed3:321.13:481.59:210.210:210.26:276:45Full Moon13Wed
14Thu4:081.14:181.410:020.210:470.26:276:44Full Moon14Thu
15Fri4:461.24:481.310:480.311:130.26:276:43Waning Gibbous15Fri
16Sat5:291.35:201.211:390.411:420.26:286:42Waning Gibbous16Sat
17Sun6:181.45:551.012:420.56:286:41Waning Gibbous17Sun
18Mon7:161.46:390.812:140.22:050.56:286:40Waning Gibbous18Mon
19Tue8:271.47:470.712:550.23:490.56:296:39Third Quarter19Tue
20Wed9:451.59:420.61:500.25:300.56:296:38Third Quarter20Wed
21Thu10:571.611:200.63:070.36:370.36:296:37Third Quarter21Thu
22Fri11:581.74:300.27:220.36:296:36Waning Crescent22Fri
23Sat12:270.712:501.75:440.27:580.26:306:35Waning Crescent23Sat
24Sun1:190.91:371.76:480.28:300.16:306:34Waning Crescent24Sun
25Mon2:051.02:191.77:440.19:010.16:306:33Waning Crescent25Mon
26Tue2:481.22:581.68:360.19:310.16:306:33New Moon26Tue
27Wed3:301.33:361.59:270.29:590.16:316:32New Moon27Wed
28Thu4:121.44:121.410:170.210:270.16:316:31New Moon28Thu
29Fri4:531.54:471.211:080.310:550.16:316:30Waxing Crescent29Fri
30Sat5:361.55:211.012:020.46:326:29Waxing Crescent30Sat
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