Tides Today & Tomorrow in Nonopapa, Niihau Island, HI

TIDE TIMES for Thursday, July 9, 2026
The tide is currently rising in Nonopapa, Niihau Island, HI.
Next low tide : 4:39 am (-0.1 ft)
Next high tide (tomorrow) : in 3h 02m at 9:47 pm (0.7 ft)
Sunset today : 7:28 pm
Sunrise tomorrow : 6:04 am
Moon phase : Third Quarter (38% illuminated)
Tide Station Location : Station #1610367
Common Questions About Tides

Nonopapa, Niihau Island, HI Tides - Oct 1996

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue7:011.56:510.72:040.56:326:28Waning Gibbous1Tue
2Wed8:001.48:090.712:300.33:260.56:326:27Third Quarter2Wed
3Thu9:081.49:530.61:240.44:500.46:336:26Third Quarter3Thu
4Fri10:171.311:180.72:400.45:520.46:336:25Third Quarter4Fri
5Sat11:171.34:060.56:320.36:336:24Third Quarter5Sat
6Sun12:140.812:061.35:200.47:020.36:346:23Waning Crescent6Sun
7Mon12:550.912:471.36:180.47:290.26:346:22Waning Crescent7Mon
8Tue1:291.01:231.37:070.37:540.26:346:21Waning Crescent8Tue
9Wed2:021.11:561.37:520.38:190.16:356:20Waning Crescent9Wed
10Thu2:341.32:271.38:350.38:440.16:356:20New Moon10Thu
11Fri3:061.42:581.29:170.39:100.16:356:19New Moon11Fri
12Sat3:401.53:301.110:010.39:360.16:366:18New Moon12Sat
13Sun4:161.54:041.010:480.310:030.16:366:17New Moon13Sun
14Mon4:551.64:390.911:390.310:330.16:366:16Waxing Crescent14Mon
15Tue5:391.65:210.812:370.36:376:15Waxing Crescent15Tue
16Wed6:301.66:130.71:450.46:376:15Waxing Crescent16Wed
17Thu7:291.67:320.63:010.46:386:14Waxing Crescent17Thu
18Fri8:371.59:210.612:480.34:160.36:386:13First Quarter18Fri
19Sat9:481.510:530.72:130.45:160.26:386:12First Quarter19Sat
20Sun10:531.511:580.93:540.46:020.26:396:11First Quarter20Sun
21Mon11:501.55:210.46:410.16:396:11Waxing Gibbous21Mon
22Tue12:491.112:401.46:320.47:150.06:406:10Waxing Gibbous22Tue
23Wed1:341.31:261.47:340.37:480.06:406:09Waxing Gibbous23Wed
24Thu2:171.52:081.38:300.38:200.06:416:09Full Moon24Thu
25Fri2:571.62:491.19:220.38:510.06:416:08Full Moon25Fri
26Sat3:371.73:291.010:130.39:230.06:416:07Full Moon26Sat
27Sun4:171.74:090.911:030.39:540.06:426:07Full Moon27Sun
28Mon4:571.74:500.811:530.310:270.16:426:06Waning Gibbous28Mon
29Tue5:391.75:340.712:460.36:436:05Waning Gibbous29Tue
30Wed6:221.66:290.61:440.36:436:05Waning Gibbous30Wed
31Thu7:111.57:460.62:470.36:446:04Waning Gibbous31Thu
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 1:13 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 38% 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 Third Quarter (38% 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