Tides Today & Tomorrow in Nonopapa, Niihau Island, HI

TIDE TIMES for Tuesday, June 23, 2026
The tide is currently falling in Nonopapa, Niihau Island, HI.
Next low tide : in 1h 58m at 4:54 am (0.0 ft)
Next high tide : 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 - Jun 2034

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu3:010.63:591.68:42-0.111:000.25:577:20Full Moon1Thu
2Fri3:380.64:321.69:12-0.111:410.15:577:20Full Moon2Fri
3Sat4:160.55:061.69:43-0.15:577:21Full Moon3Sat
4Sun4:570.55:421.612:230.110:16 AM0.05:577:21Waning Gibbous4Sun
5Mon5:460.56:211.51:070.110:52 AM0.15:577:22Waning Gibbous5Mon
6Tue6:470.57:041.41:530.111:36 AM0.25:577:22Waning Gibbous6Tue
7Wed8:060.57:531.42:410.112:350.35:577:22Waning Gibbous7Wed
8Thu9:320.68:471.23:280.02:010.45:577:23Third Quarter8Thu
9Fri10:470.89:471.14:120.03:480.55:577:23Third Quarter9Fri
10Sat11:461.110:491.04:55-0.15:270.55:577:23Third Quarter10Sat
11Sun12:371.35:35-0.16:500.45:577:24Waning Crescent11Sun
12Mon1:231.56:16-0.27:590.35:577:24Waning Crescent12Mon
13Tue12:480.82:081.76:57-0.28:590.25:577:24Waning Crescent13Tue
14Wed1:430.82:531.87:38-0.39:540.15:577:25New Moon14Wed
15Thu2:370.73:371.98:21-0.310:440.15:577:25New Moon15Thu
16Fri3:300.74:211.99:05-0.211:320.05:577:25New Moon16Fri
17Sat4:230.65:041.99:49-0.25:577:26New Moon17Sat
18Sun5:190.65:481.812:190.010:35 AM0.05:587:26Waxing Crescent18Sun
19Mon6:180.66:311.61:060.011:23 AM0.15:587:26Waxing Crescent19Mon
20Tue7:240.67:161.51:510.012:160.35:587:26Waxing Crescent20Tue
21Wed8:390.78:011.32:370.11:210.45:587:27First Quarter21Wed
22Thu9:580.88:511.13:220.12:420.55:597:27First Quarter22Thu
23Fri11:071.09:451.04:050.14:170.65:597:27First Quarter23Fri
24Sat12:021.14:460.15:500.65:597:27First Quarter24Sat
25Sun12:461.25:240.07:080.55:597:27Waxing Gibbous25Sun
26Mon1:241.46:000.08:060.56:007:27Waxing Gibbous26Mon
27Tue12:290.71:591.56:350.08:520.46:007:27Waxing Gibbous27Tue
28Wed1:150.62:331.67:090.09:320.36:007:28Waxing Gibbous28Wed
29Thu1:590.63:061.67:430.010:090.26:007:28Full Moon29Thu
30Fri2:400.63:391.78:18-0.110:450.26:017:28Full Moon30Fri
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 8:41 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 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