Tides Today & Tomorrow in Nonopapa, Niihau Island, HI

TIDE TIMES for Friday, June 19, 2026
The tide is currently falling in Nonopapa, Niihau Island, HI.
Next low tide : in 1h 52m at 12:39 pm (0.3 ft)
Next high tide : 7:42 pm (1.5 ft)
Sunset today : 7:26 pm
Sunrise tomorrow : 5:58 am
Moon phase : Waxing Crescent (29% illuminated)
Tide Station Location : Station #1610367
Common Questions About Tides

Nonopapa, Niihau Island, HI Tides - Sep 2024

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun2:510.83:131.78:200.110:020.26:246:56New Moon1Sun
2Mon3:250.93:411.69:000.210:210.26:246:56New Moon2Mon
3Tue3:591.04:071.59:400.210:410.26:246:55New Moon3Tue
4Wed4:331.14:301.410:200.311:000.26:256:54New Moon4Wed
5Thu5:081.24:531.211:030.411:200.26:256:53Waxing Crescent5Thu
6Fri5:451.25:141.111:500.511:400.26:256:52Waxing Crescent6Fri
7Sat6:271.35:330.912:490.66:256:51Waxing Crescent7Sat
8Sun7:191.35:520.812:010.22:110.66:266:50Waxing Crescent8Sun
9Mon8:261.312:270.36:266:49First Quarter9Mon
10Tue9:471.41:040.36:266:48First Quarter10Tue
11Wed11:011.510:540.52:100.37:280.46:266:47First Quarter11Wed
12Thu11:591.63:460.37:460.36:276:46First Quarter12Thu
13Fri12:100.512:471.75:100.28:100.26:276:45Waxing Gibbous13Fri
14Sat1:000.71:301.86:160.18:350.26:276:44Waxing Gibbous14Sat
15Sun1:440.82:091.87:130.19:010.16:286:43Waxing Gibbous15Sun
16Mon2:281.02:481.88:080.19:280.16:286:42Full Moon16Mon
17Tue3:121.23:251.79:020.19:560.06:286:41Full Moon17Tue
18Wed3:571.44:011.59:580.210:230.06:286:40Full Moon18Wed
19Thu4:441.54:381.310:580.310:520.06:296:39Waning Gibbous19Thu
20Fri5:341.65:141.112:030.46:296:38Waning Gibbous20Fri
21Sat6:271.75:530.81:210.56:296:37Waning Gibbous21Sat
22Sun7:281.76:400.63:030.56:296:36Waning Gibbous22Sun
23Mon8:391.68:180.512:310.25:240.46:306:35Third Quarter23Mon
24Tue9:571.610:410.51:230.36:460.36:306:34Third Quarter24Tue
25Wed11:091.62:520.37:230.36:306:33Third Quarter25Wed
26Thu12:070.612:071.64:310.47:490.26:316:32Waning Crescent26Thu
27Fri12:550.712:541.65:480.38:100.26:316:31Waning Crescent27Fri
28Sat1:320.81:321.56:450.38:280.26:316:30Waning Crescent28Sat
29Sun2:041.02:051.57:330.38:450.26:316:29Waning Crescent29Sun
30Mon2:351.12:341.48:170.39:020.26:326:29New Moon30Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (1610367)

Common Questions About Nonopapa, Niihau Island, HI Tides

Show All
What time does the tide turn (slack tide) in Nonopapa, Niihau Island, HI today?

Slack tide in Nonopapa, Niihau Island, HI is approximately 4:10 pm — 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 29% 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 Crescent (29% 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