Tides Today & Tomorrow in Nonopapa, Niihau Island, HI

TIDE TIMES for Saturday, August 8, 2026
The tide is currently rising in Nonopapa, Niihau Island, HI.
Next low tide : 8:51 pm (0.3 ft)
Next high tide : in 7h 09m at 1:03 pm (1.8 ft)
Sunset today : 7:16 pm
Sunrise tomorrow : 6:16 am
Moon phase : Waning Crescent (20% illuminated)
Tide Station Location : Station #1610367
Common Questions About Tides

Nonopapa, Niihau Island, HI Tides - Aug 1956

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed12:221.64:340.07:470.46:137:20Waning Crescent1Wed
2Thu1:121.85:350.08:310.36:137:20Waning Crescent2Thu
3Fri12:530.61:581.96:33-0.19:090.26:147:19Waning Crescent3Fri
4Sat1:520.72:412.07:28-0.19:450.16:147:19New Moon4Sat
5Sun2:450.83:232.08:22-0.110:200.16:157:18New Moon5Sun
6Mon3:360.94:041.99:15-0.110:550.06:157:17New Moon6Mon
7Tue4:271.04:441.810:080.011:290.06:157:17New Moon7Tue
8Wed5:191.15:221.611:020.26:167:16Waxing Crescent8Wed
9Thu6:131.26:001.412:040.012:000.36:167:15Waxing Crescent9Thu
10Fri7:121.36:381.112:390.11:070.56:177:15Waxing Crescent10Fri
11Sat8:181.37:190.91:160.12:290.66:177:14First Quarter11Sat
12Sun9:311.48:140.81:590.14:170.66:177:13First Quarter12Sun
13Mon10:431.49:440.62:490.26:270.66:187:13First Quarter13Mon
14Tue11:451.511:180.63:490.27:380.56:187:12First Quarter14Tue
15Wed12:371.54:520.28:130.46:187:11Waxing Gibbous15Wed
16Thu12:250.61:201.65:510.28:380.46:197:10Waxing Gibbous16Thu
17Fri1:130.71:571.66:410.29:000.36:197:10Waxing Gibbous17Fri
18Sat1:530.72:301.67:250.19:220.36:197:09Waxing Gibbous18Sat
19Sun2:290.83:011.68:050.19:450.26:207:08Full Moon19Sun
20Mon3:040.93:291.68:440.110:090.26:207:07Full Moon20Mon
21Tue3:381.03:571.59:220.210:340.26:207:07Full Moon21Tue
22Wed4:141.04:231.510:010.210:590.26:217:06Full Moon22Wed
23Thu4:511.14:501.310:420.311:240.26:217:05Waning Gibbous23Thu
24Fri5:311.25:171.211:280.411:500.26:217:04Waning Gibbous24Fri
25Sat6:181.25:451.112:250.56:227:03Waning Gibbous25Sat
26Sun7:141.36:180.912:200.21:400.66:227:02Waning Gibbous26Sun
27Mon8:241.37:020.812:570.23:220.66:227:01Third Quarter27Mon
28Tue9:411.48:290.61:470.25:150.66:227:01Third Quarter28Tue
29Wed10:541.510:330.62:540.26:330.56:237:00Third Quarter29Wed
30Thu11:551.611:560.74:120.27:200.46:236:59Waning Crescent30Thu
31Fri12:461.75:250.17:570.36:236:58Waning Crescent31Fri
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 4:57 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 spring phase. Tonight's moon is 20% 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 near their weekly maximum.

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 (20% illuminated). This places Nonopapa, Niihau Island, HI in a spring tide cycle, so tidal ranges are near their weekly maximum 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