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 4h 14m at 12:46 pm (0.5 ft)
Next high tide : 7:20 pm (1.3 ft)
Sunset today : 7:28 pm
Sunrise tomorrow : 6:02 am
Moon phase : Waning Gibbous (70% illuminated)
Tide Station Location : Station #1610367
Common Questions About Tides

Nonopapa, Niihau Island, HI Tides - Sep 2001

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat2:580.83:251.68:330.110:090.26:246:57Full Moon1Sat
2Sun3:310.93:541.69:100.210:330.26:246:56Full Moon2Sun
3Mon4:041.04:211.59:480.210:580.26:246:55Full Moon3Mon
4Tue4:391.04:471.410:260.311:220.26:246:54Full Moon4Tue
5Wed5:151.15:131.311:080.411:470.26:256:53Waning Gibbous5Wed
6Thu5:561.25:401.211:560.46:256:52Waning Gibbous6Thu
7Fri6:451.26:081.012:130.212:580.56:256:51Waning Gibbous7Fri
8Sat7:451.36:440.812:420.22:260.66:266:50Waning Gibbous8Sat
9Sun8:591.37:410.71:200.34:210.66:266:49Third Quarter9Sun
10Mon10:161.49:440.62:140.36:040.56:266:48Third Quarter10Mon
11Tue11:231.611:260.63:260.27:040.46:266:47Third Quarter11Tue
12Wed12:201.74:440.27:440.36:276:46Waning Crescent12Wed
13Thu12:330.71:091.85:530.18:190.26:276:45Waning Crescent13Thu
14Fri1:250.81:541.86:540.18:530.16:276:44Waning Crescent14Fri
15Sat2:130.92:371.87:500.09:250.16:276:43New Moon15Sat
16Sun2:591.13:181.88:440.09:570.16:286:42New Moon16Sun
17Mon3:451.23:581.79:380.110:280.06:286:42New Moon17Mon
18Tue4:321.44:361.510:320.211:000.06:286:41New Moon18Tue
19Wed5:201.55:151.311:300.311:310.16:286:40Waxing Crescent19Wed
20Thu6:111.55:541.112:340.46:296:39Waxing Crescent20Thu
21Fri7:061.56:380.912:040.11:500.56:296:38Waxing Crescent21Fri
22Sat8:101.57:390.712:390.23:250.56:296:37First Quarter22Sat
23Sun9:211.59:250.61:230.35:220.56:306:36First Quarter23Sun
24Mon10:331.511:150.62:260.46:400.46:306:35First Quarter24Mon
25Tue11:361.53:510.47:200.36:306:34First Quarter25Tue
26Wed12:220.712:271.55:100.47:470.36:306:33Waxing Gibbous26Wed
27Thu1:050.81:101.56:120.38:100.26:316:32Waxing Gibbous27Thu
28Fri1:400.91:461.57:020.38:320.26:316:31Waxing Gibbous28Fri
29Sat2:111.02:181.57:460.38:530.26:316:30Waxing Gibbous29Sat
30Sun2:411.12:481.48:260.29:160.26:326:29Full Moon30Sun
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 4:03 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 70% 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 (70% 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