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 2048

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat4:431.55:080.811:35-0.110:440.07:186:30Waning Gibbous1Sat
2Sun5:131.45:560.912:02-0.17:186:30Waning Gibbous2Sun
3Mon5:441.26:511.012:31-0.17:176:31Waning Gibbous3Mon
4Tue6:161.07:581.112:370.31:03-0.17:176:32Waning Gibbous4Tue
5Wed6:500.89:161.22:010.41:42-0.17:176:32Third Quarter5Wed
6Thu7:330.610:351.33:580.52:32-0.17:166:33Third Quarter6Thu
7Fri9:010.411:441.46:140.43:37-0.17:166:33Third Quarter7Fri
8Sat11:070.47:370.34:50-0.17:156:34Waning Crescent8Sat
9Sun12:421.612:310.48:190.16:00-0.17:156:34Waning Crescent9Sun
10Mon1:311.61:310.58:520.07:00-0.27:146:35Waning Crescent10Mon
11Tue2:151.72:210.69:230.07:54-0.27:146:36Waning Crescent11Tue
12Wed2:561.73:060.79:52-0.18:44-0.27:136:36New Moon12Wed
13Thu3:331.63:490.810:20-0.19:30-0.17:126:37New Moon13Thu
14Fri4:071.54:310.910:47-0.110:150.07:126:37New Moon14Fri
15Sat4:401.45:121.011:13-0.111:010.17:116:38Waxing Crescent15Sat
16Sun5:101.25:551.011:40-0.111:480.27:116:38Waxing Crescent16Sun
17Mon5:371.06:411.012:06-0.17:106:39Waxing Crescent17Mon
18Tue6:020.97:331.012:420.312:350.07:096:39Waxing Crescent18Tue
19Wed6:230.78:391.01:500.41:070.07:096:40First Quarter19Wed
20Thu6:350.59:571.03:270.51:480.07:086:40First Quarter20Thu
21Fri11:121.12:470.17:076:41First Quarter21Fri
22Sat10:340.38:090.34:050.17:066:41First Quarter22Sat
23Sun12:111.212:060.48:080.25:170.07:066:42Waxing Gibbous23Sun
24Mon12:561.312:580.48:230.16:160.07:056:42Waxing Gibbous24Mon
25Tue1:341.31:390.58:430.17:05-0.17:046:43Waxing Gibbous25Tue
26Wed2:081.42:150.69:050.07:50-0.17:036:43Waxing Gibbous26Wed
27Thu2:401.42:520.79:280.08:34-0.17:036:44Full Moon27Thu
28Fri3:111.43:290.99:52-0.19:18-0.17:026:44Full Moon28Fri
29Sat3:421.44:081.010:16-0.110:04-0.17:016:44Full Moon29Sat
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