Tides Today & Tomorrow in Nonopapa, Niihau Island, HI

TIDE TIMES for Wednesday, July 22, 2026
The tide is currently falling in Nonopapa, Niihau Island, HI.
Next low tide (tomorrow) : in 14h 32m at 4:33 am (0.1 ft)
Next high tide (tomorrow) : 12:42 pm (1.5 ft)
Sunset today : 7:25 pm
Sunrise tomorrow : 6:09 am
Moon phase : First Quarter (64% illuminated)
Tide Station Location : Station #1610367
Common Questions About Tides

Nonopapa, Niihau Island, HI Tides - Mar 2069

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri11:370.47:090.24:580.07:006:45First Quarter1Fri
2Sat12:251.412:440.57:510.16:070.06:596:45Waxing Gibbous2Sat
3Sun1:141.41:330.68:230.07:040.06:596:46Waxing Gibbous3Sun
4Mon1:551.42:140.78:490.07:520.06:586:46Waxing Gibbous4Mon
5Tue2:311.42:510.89:130.08:35-0.16:576:46Waxing Gibbous5Tue
6Wed3:031.33:250.99:36-0.19:150.06:566:47Full Moon6Wed
7Thu3:331.23:591.09:59-0.19:540.06:556:47Full Moon7Thu
8Fri4:011.14:321.010:22-0.110:340.06:546:48Full Moon8Fri
9Sat4:281.05:061.110:46-0.111:140.16:536:48Full Moon9Sat
10Sun4:540.95:421.111:10-0.111:590.26:526:48Waning Gibbous10Sun
11Mon5:190.86:221.111:36-0.16:526:49Waning Gibbous11Mon
12Tue5:450.77:101.112:500.212:030.06:516:49Waning Gibbous12Tue
13Wed6:150.68:111.01:560.312:360.06:506:49Waning Gibbous13Wed
14Thu6:560.59:271.13:230.31:220.16:496:50Third Quarter14Thu
15Fri8:320.410:411.15:020.32:330.16:486:50Third Quarter15Fri
16Sat10:480.411:411.26:130.24:030.16:476:50Third Quarter16Sat
17Sun12:020.56:570.15:220.16:466:51Third Quarter17Sun
18Mon12:311.312:540.67:300.06:270.06:456:51Waning Crescent18Mon
19Tue1:151.31:390.88:02-0.17:24-0.16:446:51Waning Crescent19Tue
20Wed1:561.42:231.08:32-0.18:18-0.16:436:52Waning Crescent20Wed
21Thu2:361.33:061.19:04-0.29:12-0.16:426:52New Moon21Thu
22Fri3:161.33:501.39:36-0.310:05-0.16:416:52New Moon22Fri
23Sat3:561.24:361.410:09-0.311:000.06:416:53New Moon23Sat
24Sun4:371.05:241.510:43-0.311:590.06:406:53Waxing Crescent24Sun
25Mon5:190.86:161.511:19-0.26:396:53Waxing Crescent25Mon
26Tue6:050.77:131.41:040.111:59 AM-0.26:386:54Waxing Crescent26Tue
27Wed7:030.58:191.32:210.212:46-0.16:376:54Waxing Crescent27Wed
28Thu8:280.49:321.33:510.21:470.16:366:54First Quarter28Thu
29Fri10:150.410:441.25:200.13:120.16:356:55First Quarter29Fri
30Sat11:420.511:471.26:220.14:420.26:346:55First Quarter30Sat
31Sun12:400.67:030.05:580.26:336:55Waxing Gibbous31Sun
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 8:37 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 64% 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 First Quarter (64% 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