Tides Today & Tomorrow in Nonopapa, Niihau Island, HI

TIDE TIMES for Wednesday, July 22, 2026
The tide is currently rising in Nonopapa, Niihau Island, HI.
Next low tide (tomorrow) : 4:33 am (0.1 ft)
Next high tide : in 6m at 11:53 am (1.4 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 - Jan 2069

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue10:100.85:390.54:49-0.17:196:09First Quarter1Tue
2Wed12:171.411:25 AM0.77:120.45:38-0.17:206:10Waxing Gibbous2Wed
3Thu1:071.612:330.68:170.36:26-0.27:206:11Waxing Gibbous3Thu
4Fri1:521.71:310.69:070.27:12-0.27:206:11Waxing Gibbous4Fri
5Sat2:351.82:230.69:480.17:57-0.27:206:12Full Moon5Sat
6Sun3:141.83:110.610:250.18:41-0.27:216:13Full Moon6Sun
7Mon3:521.83:550.610:590.09:23-0.17:216:13Full Moon7Mon
8Tue4:281.74:390.711:310.010:04-0.17:216:14Full Moon8Tue
9Wed5:031.65:240.712:030.07:216:15Waning Gibbous9Wed
10Thu5:351.56:120.712:350.07:216:15Waning Gibbous10Thu
11Fri6:071.37:050.71:090.07:216:16Waning Gibbous11Fri
12Sat6:371.28:090.812:150.31:440.07:216:17Waning Gibbous12Sat
13Sun7:071.09:240.81:150.42:220.17:216:17Third Quarter13Sun
14Mon7:390.910:381.02:380.53:040.17:216:18Third Quarter14Mon
15Tue8:240.711:391.14:270.63:510.07:216:19Third Quarter15Tue
16Wed9:440.66:170.54:410.07:216:20Third Quarter16Wed
17Thu12:281.211:16 AM0.57:330.45:290.07:216:20Waning Crescent17Thu
18Fri1:091.312:240.58:180.36:16-0.17:216:21Waning Crescent18Fri
19Sat1:471.51:170.58:540.27:00-0.17:216:22Waning Crescent19Sat
20Sun2:231.62:040.59:270.17:43-0.27:216:22Waning Crescent20Sun
21Mon2:591.72:480.610:000.08:26-0.27:216:23New Moon21Mon
22Tue3:351.73:330.610:330.09:10-0.27:216:24New Moon22Tue
23Wed4:111.74:180.711:06-0.19:55-0.27:206:24New Moon23Wed
24Thu4:471.65:070.811:40-0.110:44-0.17:206:25Waxing Crescent24Thu
25Fri5:241.56:010.912:15-0.17:206:26Waxing Crescent25Fri
26Sat6:021.47:021.012:52-0.17:206:26Waxing Crescent26Sat
27Sun6:421.28:131.012:410.31:33-0.17:206:27Waxing Crescent27Sun
28Mon7:270.99:321.12:040.42:18-0.17:196:28First Quarter28Mon
29Tue8:250.710:491.33:540.53:11-0.17:196:28First Quarter29Tue
30Wed9:510.611:561.45:570.44:12-0.17:196:29First Quarter30Wed
31Thu11:240.57:270.35:14-0.17:186:30Waxing 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 8:13 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 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