Tides Today & Tomorrow in Nonopapa, Niihau Island, HI

TIDE TIMES for Tuesday, July 7, 2026
The tide is currently falling in Nonopapa, Niihau Island, HI.
Next low tide : in 2h 00m at 4:28 pm (0.7 ft)
Next high tide : 8:43 pm (0.9 ft)
Sunset today : 7:28 pm
Sunrise tomorrow : 6:03 am
Moon phase : Third Quarter (49% illuminated)
Tide Station Location : Station #1610367
Common Questions About Tides

Nonopapa, Niihau Island, HI Tides - Oct 1998

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu12:330.812:471.65:580.37:370.26:326:28Waxing Gibbous1Thu
2Fri1:161.01:291.66:550.28:090.16:326:27Waxing Gibbous2Fri
3Sat1:591.12:101.67:490.28:410.06:326:26Waxing Gibbous3Sat
4Sun2:411.32:511.58:420.19:140.06:336:25Full Moon4Sun
5Mon3:251.53:311.49:350.19:470.06:336:25Full Moon5Mon
6Tue4:101.64:131.310:300.210:210.06:336:24Full Moon6Tue
7Wed4:581.74:561.111:290.210:580.06:346:23Waning Gibbous7Wed
8Thu5:481.75:440.912:340.36:346:22Waning Gibbous8Thu
9Fri6:441.76:410.81:490.46:346:21Waning Gibbous9Fri
10Sat7:471.68:010.712:220.23:140.46:356:20Third Quarter10Sat
11Sun8:571.69:440.61:180.34:420.36:356:19Third Quarter11Sun
12Mon10:091.511:140.72:360.45:500.36:356:18Third Quarter12Mon
13Tue11:131.54:050.46:370.26:366:17Third Quarter13Tue
14Wed12:170.812:071.55:240.47:110.26:366:17Waning Crescent14Wed
15Thu1:031.012:521.46:280.47:390.26:376:16Waning Crescent15Thu
16Fri1:411.11:311.47:210.38:030.16:376:15Waning Crescent16Fri
17Sat2:151.22:051.38:060.38:270.16:376:14Waning Crescent17Sat
18Sun2:471.32:371.28:490.38:500.16:386:13New Moon18Sun
19Mon3:181.43:071.19:300.39:130.16:386:13New Moon19Mon
20Tue3:491.53:361.010:110.39:370.16:396:12New Moon20Tue
21Wed4:211.54:050.910:530.310:010.16:396:11New Moon21Wed
22Thu4:551.54:350.811:380.310:260.16:396:10Waxing Crescent22Thu
23Fri5:301.55:070.812:290.46:406:10Waxing Crescent23Fri
24Sat6:111.55:470.71:280.46:406:09Waxing Crescent24Sat
25Sun6:591.46:450.62:370.46:416:08Waxing Crescent25Sun
26Mon7:581.48:300.512:010.33:500.46:416:08First Quarter26Mon
27Tue9:061.410:210.61:020.44:520.36:426:07First Quarter27Tue
28Wed10:131.411:300.72:420.45:390.26:426:06First Quarter28Wed
29Thu11:111.44:220.46:170.16:436:06First Quarter29Thu
30Fri12:200.912:031.45:410.46:510.16:436:05Waxing Gibbous30Fri
31Sat1:031.112:501.46:470.37:240.06:446:04Waxing Gibbous31Sat
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 6:35 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 neap phase. Tonight's moon is 49% 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 minimum.

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 (49% illuminated). This places Nonopapa, Niihau Island, HI in a neap tide cycle, so tidal ranges are near their weekly minimum 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