Tides Today & Tomorrow in Nonopapa, Niihau Island, HI

TIDE TIMES for Sunday, July 5, 2026
The tide is currently falling in Nonopapa, Niihau Island, HI.
Next low tide : in 2h 20m at 2:14 am (0.1 ft)
Next high tide : 8:11 am (0.7 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 - Dec 2048

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue12:541.411:56 AM0.87:170.56:17-0.17:035:57Waning Crescent1Tue
2Wed1:341.612:490.78:200.46:53-0.27:045:57Waning Crescent2Wed
3Thu2:151.81:420.79:150.37:32-0.27:045:57Waning Crescent3Thu
4Fri2:581.92:330.610:070.28:14-0.37:055:57New Moon4Fri
5Sat3:422.03:250.610:570.18:58-0.27:065:57New Moon5Sat
6Sun4:272.04:190.611:460.19:45-0.27:065:57New Moon6Sun
7Mon5:132.05:180.612:350.07:075:58Waxing Crescent7Mon
8Tue6:001.96:240.61:240.07:085:58Waxing Crescent8Tue
9Wed6:481.77:410.62:120.07:085:58Waxing Crescent9Wed
10Thu7:371.59:070.812:320.32:590.07:095:58First Quarter10Thu
11Fri8:281.310:300.91:560.53:430.07:105:59First Quarter11Fri
12Sat9:241.111:361.13:410.64:250.07:105:59First Quarter12Sat
13Sun10:230.95:320.65:040.07:115:59First Quarter13Sun
14Mon12:271.311:23 AM0.87:100.55:410.07:116:00Waxing Gibbous14Mon
15Tue1:101.512:200.68:200.46:160.07:126:00Waxing Gibbous15Tue
16Wed1:491.61:100.69:100.36:52-0.17:126:01Waxing Gibbous16Wed
17Thu2:241.71:550.59:480.37:27-0.17:136:01Waxing Gibbous17Thu
18Fri2:591.72:360.510:210.28:03-0.17:136:02Full Moon18Fri
19Sat3:321.73:140.510:510.28:38-0.17:146:02Full Moon19Sat
20Sun4:041.73:520.511:220.29:13-0.17:156:03Full Moon20Sun
21Mon4:361.74:300.511:530.19:480.07:156:03Full Moon21Mon
22Tue5:081.65:110.512:260.17:156:04Waning Gibbous22Tue
23Wed5:381.55:590.51:000.17:166:04Waning Gibbous23Wed
24Thu6:091.56:570.61:340.17:166:05Waning Gibbous24Thu
25Fri6:411.38:080.72:090.17:176:05Waning Gibbous25Fri
26Sat7:151.29:280.812:430.42:450.17:176:06Third Quarter26Sat
27Sun7:541.010:401.02:150.63:230.07:186:06Third Quarter27Sun
28Mon8:450.911:391.24:150.64:040.07:186:07Third Quarter28Mon
29Tue9:540.76:050.64:47-0.17:186:08Third Quarter29Tue
30Wed12:291.411:15 AM0.67:290.45:34-0.27:196:08Waning Crescent30Wed
31Thu1:151.612:280.58:290.36:28-0.27:196:09Waning Crescent31Thu
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 5:12 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