Tides Today & Tomorrow in Nonopapa, Niihau Island, HI

TIDE TIMES for Saturday, July 4, 2026
The tide is currently rising in Nonopapa, Niihau Island, HI.
Next low tide : 11:41 am (0.3 ft)
Next high tide : in 25m at 7:00 am (0.6 ft)
Sunset today : 7:28 pm
Sunrise tomorrow : 6:02 am
Moon phase : Waning Gibbous (79% illuminated)
Tide Station Location : Station #1610367
Common Questions About Tides

Nonopapa, Niihau Island, HI Tides - Oct 2047

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue2:171.22:141.48:090.38:350.16:326:28Waxing Gibbous1Tue
2Wed2:511.32:451.38:540.38:560.16:326:27Full Moon2Wed
3Thu3:241.43:131.29:380.39:180.16:326:26Full Moon3Thu
4Fri3:561.53:411.010:210.49:400.16:336:25Full Moon4Fri
5Sat4:291.54:080.911:060.410:030.16:336:24Full Moon5Sat
6Sun5:031.54:340.811:540.410:270.16:336:23Waning Gibbous6Sun
7Mon5:411.55:010.712:480.56:346:23Waning Gibbous7Mon
8Tue6:251.55:310.61:560.56:346:22Waning Gibbous8Tue
9Wed7:181.46:170.53:220.56:346:21Waning Gibbous9Wed
10Thu8:251.48:400.512:020.34:500.46:356:20Third Quarter10Thu
11Fri9:351.410:440.51:070.45:420.46:356:19Third Quarter11Fri
12Sat10:381.411:450.72:520.46:140.36:356:18Third Quarter12Sat
13Sun11:291.44:280.46:400.26:366:17Third Quarter13Sun
14Mon12:290.912:141.45:420.47:050.16:366:16Waning Crescent14Mon
15Tue1:081.112:551.46:460.37:310.16:376:16Waning Crescent15Tue
16Wed1:471.31:351.37:450.37:580.06:376:15Waning Crescent16Wed
17Thu2:271.52:151.28:420.38:26-0.16:376:14New Moon17Thu
18Fri3:091.72:551.19:390.28:56-0.16:386:13New Moon18Fri
19Sat3:531.93:360.910:380.29:29-0.16:386:12New Moon19Sat
20Sun4:391.94:200.811:390.310:04-0.16:396:12Waxing Crescent20Sun
21Mon5:291.95:090.712:450.36:396:11Waxing Crescent21Mon
22Tue6:231.96:090.51:580.36:396:10Waxing Crescent22Tue
23Wed7:231.87:370.53:170.36:406:10Waxing Crescent23Wed
24Thu8:301.79:300.512:250.24:300.36:406:09First Quarter24Thu
25Fri9:371.611:040.71:490.45:230.26:416:08First Quarter25Fri
26Sat10:401.53:350.56:020.26:416:07First Quarter26Sat
27Sun12:050.911:34 AM1.45:080.56:320.16:426:07Waxing Gibbous27Sun
28Mon12:501.112:201.36:220.56:570.16:426:06Waxing Gibbous28Mon
29Tue1:271.212:591.27:230.57:190.16:436:06Waxing Gibbous29Tue
30Wed2:011.41:351.08:150.47:420.16:436:05Waxing Gibbous30Wed
31Thu2:331.52:080.99:020.48:040.06:446:04Full Moon31Thu
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 9:20 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 79% 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 (79% 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