Tides Today & Tomorrow in Nonopapa, Niihau Island, HI

TIDE TIMES for Thursday, July 9, 2026
The tide is currently falling in Nonopapa, Niihau Island, HI.
Next low tide : in 2h 16m at 4:39 am (-0.1 ft)
Next high tide : 12:30 pm (1.6 ft)
Sunset today : 7:28 pm
Sunrise tomorrow : 6:04 am
Moon phase : Waning Crescent (27% illuminated)
Tide Station Location : Station #1610367
Common Questions About Tides

Nonopapa, Niihau Island, HI Tides - Jun 1996

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat3:060.64:061.88:49-0.211:120.05:577:20Full Moon1Sat
2Sun3:560.64:501.99:30-0.25:577:20Full Moon2Sun
3Mon4:490.65:361.812:020.010:15 AM-0.25:577:21Waning Gibbous3Mon
4Tue5:490.66:241.712:530.011:04 AM0.05:567:21Waning Gibbous4Tue
5Wed6:590.67:141.61:460.011:59 AM0.15:567:22Waning Gibbous5Wed
6Thu8:200.68:081.42:380.01:090.35:567:22Third Quarter6Thu
7Fri9:450.89:061.33:300.02:390.45:567:22Third Quarter7Fri
8Sat11:011.010:061.14:18-0.14:200.55:567:23Third Quarter8Sat
9Sun12:021.15:02-0.15:560.55:577:23Third Quarter9Sun
10Mon12:511.35:43-0.17:160.55:577:23Waning Crescent10Mon
11Tue12:020.81:341.56:20-0.18:200.45:577:24Waning Crescent11Tue
12Wed12:540.72:121.66:55-0.19:120.35:577:24Waning Crescent12Wed
13Thu1:410.72:491.67:29-0.19:550.25:577:24Waning Crescent13Thu
14Fri2:250.63:241.78:03-0.110:330.25:577:25New Moon14Fri
15Sat3:060.63:581.78:37-0.111:080.25:577:25New Moon15Sat
16Sun3:470.64:311.79:12-0.111:430.15:577:25New Moon16Sun
17Mon4:280.65:051.69:470.05:577:26New Moon17Mon
18Tue5:100.65:381.512:190.110:23 AM0.15:587:26Waxing Crescent18Tue
19Wed5:580.66:111.512:570.111:00 AM0.25:587:26Waxing Crescent19Wed
20Thu6:540.66:461.41:360.111:41 AM0.35:587:26Waxing Crescent20Thu
21Fri8:030.67:231.32:160.112:330.45:587:26Waxing Crescent21Fri
22Sat9:210.78:051.12:570.11:470.55:587:27First Quarter22Sat
23Sun10:320.98:551.03:380.13:260.65:597:27First Quarter23Sun
24Mon11:291.09:540.94:180.05:050.65:597:27First Quarter24Mon
25Tue12:161.24:570.06:290.55:597:27First Quarter25Tue
26Wed12:591.45:37-0.17:370.46:007:27Waxing Gibbous26Wed
27Thu12:020.71:411.66:18-0.18:340.36:007:27Waxing Gibbous27Thu
28Fri1:020.72:231.87:01-0.29:240.26:007:28Waxing Gibbous28Fri
29Sat1:580.73:061.97:45-0.210:110.16:007:28Full Moon29Sat
30Sun2:520.73:502.08:31-0.210:570.16:017:28Full 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 8:34 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 27% 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 Crescent (27% 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