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 4h 08m 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 - Jun 1956

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri11:030.89:361.04:140.13:500.55:577:20Third Quarter1Fri
2Sat11:531.010:320.94:500.05:270.55:577:20Third Quarter2Sat
3Sun12:351.25:250.06:470.55:567:21Waning Crescent3Sun
4Mon1:141.45:59-0.17:540.45:567:21Waning Crescent4Mon
5Tue12:240.71:541.66:35-0.28:510.35:567:21Waning Crescent5Tue
6Wed1:170.62:351.77:13-0.29:430.25:567:22Waning Crescent6Wed
7Thu2:100.63:181.97:53-0.310:320.15:567:22New Moon7Thu
8Fri3:020.54:021.98:37-0.311:200.05:567:23New Moon8Fri
9Sat3:550.54:461.99:22-0.25:567:23New Moon9Sat
10Sun4:510.55:321.912:080.010:11 AM-0.25:567:23Waxing Crescent10Sun
11Mon5:530.66:181.812:540.011:02 AM0.05:577:24Waxing Crescent11Mon
12Tue7:020.67:051.61:410.012:010.15:577:24Waxing Crescent12Tue
13Wed8:200.77:541.42:280.01:120.35:577:24First Quarter13Wed
14Thu9:420.98:461.23:130.02:420.55:577:25First Quarter14Thu
15Fri10:551.19:431.03:570.04:260.65:577:25First Quarter15Fri
16Sat11:551.310:430.84:39-0.16:090.65:577:25First Quarter16Sat
17Sun12:451.45:19-0.17:360.55:577:25Waxing Gibbous17Sun
18Mon1:281.65:56-0.18:400.45:577:26Waxing Gibbous18Mon
19Tue12:390.62:071.66:33-0.19:270.35:587:26Waxing Gibbous19Tue
20Wed1:290.52:441.77:10-0.110:040.35:587:26Waxing Gibbous20Wed
21Thu2:150.53:191.77:46-0.110:360.25:587:26Full Moon21Thu
22Fri2:570.53:531.78:23-0.111:070.25:587:27Full Moon22Fri
23Sat3:370.54:261.79:000.011:380.25:597:27Full Moon23Sat
24Sun4:170.54:581.69:360.05:597:27Full Moon24Sun
25Mon4:590.65:291.612:110.110:12 AM0.15:597:27Waning Gibbous25Mon
26Tue5:440.66:001.512:440.110:49 AM0.25:597:27Waning Gibbous26Tue
27Wed6:370.66:311.41:180.111:30 AM0.36:007:27Waning Gibbous27Wed
28Thu7:400.77:031.31:530.112:210.46:007:27Waning Gibbous28Thu
29Fri8:530.87:391.12:290.11:350.66:007:28Third Quarter29Fri
30Sat10:060.98:221.03:060.13:200.76:017:28Third Quarter30Sat
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