Tides Today & Tomorrow in Nonopapa, Niihau Island, HI

TIDE TIMES for Saturday, July 4, 2026
The tide is currently falling in Nonopapa, Niihau Island, HI.
Next low tide : in 14m at 11:41 am (0.3 ft)
Next high tide : 6:47 pm (1.4 ft)
Sunset today : 7:28 pm
Sunrise tomorrow : 6:02 am
Moon phase : Waning Gibbous (79% illuminated)
Tide Station Location : Station #1610367
Common Questions About Tides

Nonopapa, Niihau Island, HI Tides - Feb 2003

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat4:091.74:110.511:160.09:36-0.27:186:30New Moon1Sat
2Sun4:441.64:520.611:440.010:17-0.17:186:30New Moon2Sun
3Mon5:161.55:330.712:110.07:186:31Waxing Crescent3Mon
4Tue5:451.46:180.712:380.07:176:32Waxing Crescent4Tue
5Wed6:131.27:100.81:060.07:176:32Waxing Crescent5Wed
6Thu6:381.08:110.812:310.31:360.07:166:33Waxing Crescent6Thu
7Fri7:000.99:250.91:390.52:080.17:166:33First Quarter7Fri
8Sat7:210.710:411.03:210.52:460.17:156:34First Quarter8Sat
9Sun11:441.13:340.17:156:35First Quarter9Sun
10Mon4:300.07:146:35First Quarter10Mon
11Tue12:351.312:010.38:340.35:280.07:146:36Waxing Gibbous11Tue
12Wed1:181.41:030.38:580.26:22-0.17:136:36Waxing Gibbous12Wed
13Thu1:571.51:490.49:240.17:11-0.27:136:37Waxing Gibbous13Thu
14Fri2:351.62:300.49:510.07:57-0.27:126:37Waxing Gibbous14Fri
15Sat3:111.73:110.510:200.08:42-0.37:116:38Full Moon15Sat
16Sun3:471.73:530.610:49-0.19:28-0.27:116:38Full Moon16Sun
17Mon4:231.74:380.711:18-0.110:15-0.27:106:39Full Moon17Mon
18Tue4:581.65:260.911:47-0.111:070.07:096:39Waning Gibbous18Tue
19Wed5:331.46:201.012:17-0.17:096:40Waning Gibbous19Wed
20Thu6:081.27:211.112:060.112:49-0.17:086:40Waning Gibbous20Thu
21Fri6:440.98:331.21:190.31:24-0.17:076:41Waning Gibbous21Fri
22Sat7:240.79:521.32:590.42:04-0.17:076:41Third Quarter22Sat
23Sun8:260.511:091.45:190.42:570.07:066:42Third Quarter23Sun
24Mon10:330.37:290.34:070.07:056:42Third Quarter24Mon
25Tue12:141.512:140.38:190.15:220.07:046:43Waning Crescent25Tue
26Wed1:081.51:190.48:510.06:28-0.17:046:43Waning Crescent26Wed
27Thu1:541.62:050.59:180.07:24-0.17:036:44Waning Crescent27Thu
28Fri2:341.62:450.69:430.08:12-0.17:026:44Waning Crescent28Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (1610367)

Common Questions About Nonopapa, Niihau Island, HI Tides

Show All
What time does the tide turn (slack tide) in Nonopapa, Niihau Island, HI today?

Slack tide in Nonopapa, Niihau Island, HI is approximately 3:14 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 79% 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 Gibbous (79% 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