Tides Today & Tomorrow in Waimanalo, HI

TIDE TIMES for Wednesday, August 19, 2026
The tide is currently rising in Waimanalo, HI.
Next low tide (tomorrow) : 1:21 am (0.3 ft)
Next high tide : in 27m at 10:15 am (1.5 ft)
Sunset today : 6:57 pm
Sunrise tomorrow : 6:10 am
Moon phase : First Quarter (48% illuminated)
Tide Station Location : Station #1612376
Common Questions About Tides

Waimanalo, HI Tides - Dec 1950

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri8:061.86:515:47Third Quarter1Fri
2Sat8:501.810:540.912:090.54:430.46:525:47Third Quarter2Sat
3Sun9:281.711:531.32:160.74:510.26:535:48Third Quarter3Sun
4Mon10:031.64:200.85:110.06:535:48Waning Crescent4Mon
5Tue12:371.710:37 AM1.55:500.95:38-0.26:545:48Waning Crescent5Tue
6Wed1:182.011:12 AM1.37:010.96:10-0.46:555:48Waning Crescent6Wed
7Thu2:002.311:48 AM1.28:050.86:46-0.56:555:48New Moon7Thu
8Fri2:432.512:251.19:060.87:25-0.66:565:49New Moon8Fri
9Sat3:282.61:051.110:070.88:06-0.66:575:49New Moon9Sat
10Sun4:142.51:461.011:100.88:50-0.56:575:49New Moon10Sun
11Mon5:022.52:290.912:140.86:585:49Waxing Crescent11Mon
12Tue5:512.33:170.81:210.76:585:50Waxing Crescent12Tue
13Wed6:392.24:300.82:240.66:595:50Waxing Crescent13Wed
14Thu7:262.07:000.73:130.57:005:50First Quarter14Thu
15Fri8:071.810:140.93:490.47:005:51First Quarter15Fri
16Sat8:431.611:551.21:070.74:180.37:015:51First Quarter16Sat
17Sun9:101.43:210.94:440.27:015:52First Quarter17Sun
18Mon12:421.59:30 AM1.35:411.05:100.07:025:52Waxing Gibbous18Mon
19Tue1:141.79:47 AM1.17:180.95:35-0.17:025:53Waxing Gibbous19Tue
20Wed1:411.910:11 AM1.18:220.96:02-0.27:035:53Waxing Gibbous20Wed
21Thu2:072.010:48 AM1.09:010.86:31-0.27:035:54Waxing Gibbous21Thu
22Fri2:342.111:33 AM1.09:300.87:02-0.37:045:54Full Moon22Fri
23Sat3:032.112:170.99:580.87:35-0.37:045:55Full Moon23Sat
24Sun3:342.112:570.910:290.78:08-0.37:055:55Full Moon24Sun
25Mon4:082.11:350.911:050.78:41-0.37:055:56Full Moon25Mon
26Tue4:422.12:130.911:430.79:14-0.27:065:56Waning Gibbous26Tue
27Wed5:152.12:550.912:220.77:065:57Waning Gibbous27Wed
28Thu5:472.03:500.812:590.67:075:57Waning Gibbous28Thu
29Fri6:171.95:120.81:350.57:075:58Waning Gibbous29Fri
30Sat6:451.87:330.82:110.47:075:58Third Quarter30Sat
31Sun7:111.710:261.12:380.37:085:59Third Quarter31Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (1612376)

Common Questions About Waimanalo, HI Tides

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What time does the tide turn (slack tide) in Waimanalo, HI today?

Slack tide in Waimanalo, HI is approximately 5:48 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 Waimanalo, HI?

Waimanalo, HI is currently in a neap phase. Tonight's moon is 48% 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 minimum.

What datum are Waimanalo, 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 Waimanalo, HI?

Tide predictions for Waimanalo, 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 Waimanalo, HI?

Tide data for Waimanalo, HI is sourced from NOAA Station #1612376. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=1612376.

What is the moon phase in Waimanalo, HI tonight?

Tonight the moon over Waimanalo, HI is First Quarter (48% illuminated). This places Waimanalo, HI in a neap tide cycle, so tidal ranges are near their weekly minimum 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