Tides Today & Tomorrow in Nonopapa, Niihau Island, HI

TIDE TIMES for Tuesday, June 23, 2026
The tide is currently rising in Nonopapa, Niihau Island, HI.
Next low tide : 7:20 pm (0.6 ft)
Next high tide : in 7h 05m at 12:29 pm (1.3 ft)
Sunset today : 7:27 pm
Sunrise tomorrow : 5:59 am
Moon phase : Waxing Gibbous (70% illuminated)
Tide Station Location : Station #1610367
Common Questions About Tides

Nonopapa, Niihau Island, HI Tides - May 2018

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue4:210.75:131.510:05-0.16:087:06Full Moon1Tue
2Wed4:560.65:511.412:080.110:32 AM-0.16:087:07Waning Gibbous2Wed
3Thu5:340.56:311.412:590.111:01 AM0.06:077:07Waning Gibbous3Thu
4Fri6:220.47:181.31:570.211:32 AM0.16:077:08Waning Gibbous4Fri
5Sat7:370.38:141.23:010.212:100.26:067:08Waning Gibbous5Sat
6Sun9:320.49:161.24:080.11:100.36:057:09Third Quarter6Sun
7Mon11:090.410:191.15:040.12:550.46:057:09Third Quarter7Mon
8Tue12:030.65:460.14:350.46:047:09Third Quarter8Tue
9Wed12:420.76:200.05:510.36:047:10Third Quarter9Wed
10Thu12:011.11:160.96:500.06:530.36:037:10Waning Crescent10Thu
11Fri12:441.11:491.17:18-0.17:490.26:037:11Waning Crescent11Fri
12Sat1:251.02:241.37:46-0.28:420.26:027:11Waning Crescent12Sat
13Sun2:050.93:011.48:15-0.29:340.16:027:12New Moon13Sun
14Mon2:450.83:401.68:45-0.210:270.16:017:12New Moon14Mon
15Tue3:270.74:221.79:17-0.211:220.16:017:13New Moon15Tue
16Wed4:120.65:071.79:52-0.26:017:13New Moon16Wed
17Thu5:010.55:551.712:200.010:30 AM-0.26:007:13Waxing Crescent17Thu
18Fri5:590.56:471.71:220.011:13 AM-0.16:007:14Waxing Crescent18Fri
19Sat7:140.47:451.62:270.012:050.06:007:14Waxing Crescent19Sat
20Sun8:490.48:481.53:330.01:140.25:597:15First Quarter20Sun
21Mon10:240.69:511.44:320.02:490.35:597:15First Quarter21Mon
22Tue11:370.710:521.25:21-0.14:290.45:597:16First Quarter22Tue
23Wed12:311.06:01-0.15:570.45:587:16First Quarter23Wed
24Thu1:161.26:35-0.17:100.45:587:17Waxing Gibbous24Thu
25Fri12:361.01:561.37:06-0.18:110.35:587:17Waxing Gibbous25Fri
26Sat1:210.92:331.57:34-0.19:050.35:587:17Waxing Gibbous26Sat
27Sun2:020.83:081.68:02-0.29:530.25:577:18Full Moon27Sun
28Mon2:410.73:421.68:29-0.110:380.25:577:18Full Moon28Mon
29Tue3:180.64:161.68:57-0.111:210.25:577:19Full Moon29Tue
30Wed3:560.54:511.69:26-0.15:577:19Full Moon30Wed
31Thu4:350.55:261.612:030.19:57 AM0.05:577:20Waning Gibbous31Thu
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 3:54 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 Waxing 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