Tides Today & Tomorrow in Nonopapa, Niihau Island, HI

TIDE TIMES for Friday, July 24, 2026
The tide is currently falling in Nonopapa, Niihau Island, HI.
Next low tide : in 2h 47m at 5:22 am (0.1 ft)
Next high tide : 1:24 pm (1.6 ft)
Sunset today : 7:24 pm
Sunrise tomorrow : 6:10 am
Moon phase : Waxing Gibbous (81% illuminated)
Tide Station Location : Station #1610367
Common Questions About Tides

Nonopapa, Niihau Island, HI Tides - Nov 2071

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun12:060.811:27 AM1.25:040.56:190.26:446:04First Quarter1Sun
2Mon12:441.012:111.26:100.56:490.16:456:03Waxing Gibbous2Mon
3Tue1:171.112:511.27:050.47:170.16:456:03Waxing Gibbous3Tue
4Wed1:491.31:281.17:540.47:440.06:466:02Waxing Gibbous4Wed
5Thu2:221.42:051.18:420.38:120.06:466:02Waxing Gibbous5Thu
6Fri2:571.62:421.09:290.38:420.06:476:01Full Moon6Fri
7Sat3:341.73:200.910:170.29:13-0.16:486:01Full Moon7Sat
8Sun4:131.74:020.811:080.29:47-0.16:486:00Full Moon8Sun
9Mon4:561.84:470.712:020.26:496:00Waning Gibbous9Mon
10Tue5:421.85:420.61:010.26:495:59Waning Gibbous10Tue
11Wed6:341.76:520.62:050.26:505:59Waning Gibbous11Wed
12Thu7:311.68:250.63:110.26:515:59Third Quarter12Thu
13Fri8:341.510:020.71:080.34:110.26:515:58Third Quarter13Fri
14Sat9:391.411:180.92:430.45:030.16:525:58Third Quarter14Sat
15Sun10:421.34:230.55:460.06:525:58Third Quarter15Sun
16Mon12:151.111:39 AM1.25:490.56:230.06:535:58Waning Crescent16Mon
17Tue1:021.312:301.17:010.46:570.06:545:57Waning Crescent17Tue
18Wed1:441.51:171.08:020.47:29-0.16:545:57Waning Crescent18Wed
19Thu2:231.62:000.98:550.38:00-0.16:555:57Waning Crescent19Thu
20Fri3:011.72:410.99:440.38:31-0.16:565:57New Moon20Fri
21Sat3:381.83:200.810:290.29:02-0.16:565:57New Moon21Sat
22Sun4:141.84:000.711:130.29:330.06:575:56New Moon22Sun
23Mon4:511.74:400.611:560.210:050.06:575:56Waxing Crescent23Mon
24Tue5:281.65:240.612:410.26:585:56Waxing Crescent24Tue
25Wed6:061.66:170.61:280.26:595:56Waxing Crescent25Wed
26Thu6:471.57:270.52:180.26:595:56Waxing Crescent26Thu
27Fri7:321.49:000.63:100.27:005:56First Quarter27Fri
28Sat8:221.310:290.712:590.53:590.27:015:56First Quarter28Sat
29Sun9:181.211:300.82:350.64:430.17:015:56First Quarter29Sun
30Mon10:151.14:170.65:210.17:025:56First Quarter30Mon
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 9:23 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 spring phase. Tonight's moon is 81% 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 Waxing Gibbous (81% 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