Tides Today & Tomorrow in Waimanalo, HI

TIDE TIMES for Tuesday, August 18, 2026
The tide is currently falling in Waimanalo, HI.
Next low tide (tomorrow) : in 1h 33m at 11:57 pm (0.2 ft)
Next high tide : 7:54 am (1.5 ft)
Sunset today : 6:59 pm
Sunrise tomorrow : 6:10 am
Moon phase : Waxing Crescent (29% illuminated)
Tide Station Location : Station #1612376
Common Questions About Tides

Waimanalo, HI Tides - Jun 1954

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue1:111.04:002.48:04-0.610:480.75:487:08New Moon1Tue
2Wed1:540.94:452.38:47-0.511:440.65:477:09Waxing Crescent2Wed
3Thu2:380.95:282.29:30-0.35:477:09Waxing Crescent3Thu
4Fri3:260.86:112.012:400.610:13 AM-0.25:477:10Waxing Crescent4Fri
5Sat4:270.76:521.91:350.610:55 AM0.15:477:10Waxing Crescent5Sat
6Sun6:090.77:301.72:280.511:39 AM0.35:477:10First Quarter6Sun
7Mon9:090.78:031.53:120.412:340.65:477:11First Quarter7Mon
8Tue11:191.08:331.43:490.32:110.85:477:11First Quarter8Tue
9Wed12:171.24:200.24:250.95:477:11First Quarter9Wed
10Thu12:521.54:480.16:080.95:477:12Waxing Gibbous10Thu
11Fri1:211.75:150.07:150.95:477:12Waxing Gibbous11Fri
12Sat1:481.85:43-0.18:020.85:477:12Waxing Gibbous12Sat
13Sun2:161.96:13-0.28:400.85:487:13Waxing Gibbous13Sun
14Mon2:462.06:44-0.39:160.75:487:13Full Moon14Mon
15Tue12:111.03:182.17:16-0.39:540.75:487:13Full Moon15Tue
16Wed12:530.93:522.17:50-0.410:320.75:487:14Full Moon16Wed
17Thu1:340.94:262.18:25-0.411:120.75:487:14Full Moon17Thu
18Fri2:180.95:012.19:01-0.311:530.65:487:14Waning Gibbous18Fri
19Sat3:070.95:352.19:38-0.25:487:14Waning Gibbous19Sat
20Sun4:070.96:082.012:320.610:17 AM0.05:497:15Waning Gibbous20Sun
21Mon5:260.86:391.91:120.511:01 AM0.25:497:15Waning Gibbous21Mon
22Tue7:200.97:101.71:540.411:54 AM0.55:497:15Third Quarter22Tue
23Wed9:371.17:411.52:370.21:180.85:497:15Third Quarter23Wed
24Thu11:171.48:131.43:230.13:471.05:507:16Third Quarter24Thu
25Fri12:191.84:09-0.16:171.05:507:16Waning Crescent25Fri
26Sat1:072.04:55-0.27:480.95:507:16Waning Crescent26Sat
27Sun1:492.25:41-0.48:410.85:507:16Waning Crescent27Sun
28Mon2:302.46:26-0.49:200.85:517:16New Moon28Mon
29Tue12:051.03:102.47:10-0.59:550.75:517:16New Moon29Tue
30Wed1:061.03:482.47:54-0.410:300.75:517:16New Moon30Wed
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 3:55 am — 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 transitional phase. Tonight's moon is 29% 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 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 Waxing Crescent (29% illuminated). This places Waimanalo, 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