Tides Today & Tomorrow in Nonopapa, Niihau Island, HI

TIDE TIMES for Friday, July 24, 2026
The tide is currently rising in Nonopapa, Niihau Island, HI.
Next low tide : 5:22 am (0.1 ft)
Next high tide (tomorrow) : in 1h 00m at 11:39 pm (0.5 ft)
Sunset today : 7:24 pm
Sunrise tomorrow : 6:10 am
Moon phase : Waxing Gibbous (73% illuminated)
Tide Station Location : Station #1610367
Common Questions About Tides

Nonopapa, Niihau Island, HI Tides - Aug 1980

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri8:081.17:381.31:490.11:400.56:137:20Third Quarter1Fri
2Sat9:261.28:341.12:340.13:190.66:147:20Third Quarter2Sat
3Sun10:401.49:450.93:230.15:090.66:147:19Third Quarter3Sun
4Mon11:451.511:030.84:150.16:480.56:147:18Third Quarter4Mon
5Tue12:391.65:080.17:570.46:157:18Waning Crescent5Tue
6Wed12:140.71:271.76:000.08:450.36:157:17Waning Crescent6Wed
7Thu1:140.72:101.86:500.09:230.36:167:17Waning Crescent7Thu
8Fri2:040.72:491.87:360.09:560.26:167:16New Moon8Fri
9Sat2:480.83:251.88:190.010:260.26:167:15New Moon9Sat
10Sun3:290.84:001.79:000.110:540.26:177:15New Moon10Sun
11Mon4:090.94:321.79:400.111:220.26:177:14New Moon11Mon
12Tue4:480.95:031.610:200.211:510.26:177:13Waxing Crescent12Tue
13Wed5:290.95:321.411:010.36:187:13Waxing Crescent13Wed
14Thu6:131.06:011.312:210.211:45 AM0.46:187:12Waxing Crescent14Thu
15Fri7:031.06:311.212:520.212:370.56:187:11Waxing Crescent15Fri
16Sat8:031.07:031.01:260.21:440.66:197:10First Quarter16Sat
17Sun9:151.17:440.92:050.33:150.76:197:10First Quarter17Sun
18Mon10:271.28:530.82:500.34:590.66:197:09First Quarter18Mon
19Tue11:271.310:300.73:440.36:260.66:207:08First Quarter19Tue
20Wed12:181.44:400.27:240.56:207:07Waxing Gibbous20Wed
21Thu1:021.65:340.28:060.46:207:06Waxing Gibbous21Thu
22Fri12:460.71:431.76:260.18:430.36:217:06Waxing Gibbous22Fri
23Sat1:360.82:221.87:150.09:180.26:217:05Waxing Gibbous23Sat
24Sun2:220.83:021.88:030.09:520.16:217:04Full Moon24Sun
25Mon3:070.93:411.88:510.010:270.16:227:03Full Moon25Mon
26Tue3:541.04:201.89:400.011:020.16:227:02Full Moon26Tue
27Wed4:431.15:001.610:330.111:380.16:227:01Waning Gibbous27Wed
28Thu5:351.25:411.511:290.26:227:00Waning Gibbous28Thu
29Fri6:321.36:241.312:150.112:340.46:236:59Waning Gibbous29Fri
30Sat7:371.47:141.112:550.11:530.56:236:59Waning Gibbous30Sat
31Sun8:501.48:180.91:410.13:320.66:236:58Third Quarter31Sun
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 2:30 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 73% 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 Waxing Gibbous (73% 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