Tides Today & Tomorrow in Hilo, Hilo Bay, Kuhio Bay, HI

TIDE TIMES for Tuesday, August 18, 2026
The tide is currently falling in Hilo, Hilo Bay, Kuhio Bay, HI.
Next low tide : in 1h 32m at 1:16 pm (1.3 ft)
Next high tide : 5:49 pm (1.6 ft)
Sunset today : 6:46 pm
Sunrise tomorrow : 6:01 am
Moon phase : First Quarter (39% illuminated)
Tide Station Location : Station #1617760
Common Questions About Tides

Hilo, Hilo Bay, Kuhio Bay, HI Tides - Oct 1942

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu8:592.07:211.21:070.64:521.16:406:38Third Quarter1Thu
2Fri10:322.010:251.12:130.76:291.06:416:38Third Quarter2Fri
3Sat11:382.111:461.33:590.76:560.96:416:37Third Quarter3Sat
4Sun12:262.25:160.67:160.76:416:36Waning Crescent4Sun
5Mon12:381.51:052.36:140.57:370.66:416:35Waning Crescent5Mon
6Tue1:191.71:372.47:010.47:590.46:426:34Waning Crescent6Tue
7Wed1:551.92:082.47:440.38:240.36:426:33Waning Crescent7Wed
8Thu2:302.22:382.48:250.38:510.16:426:32New Moon8Thu
9Fri3:062.43:082.49:060.39:200.06:426:32New Moon9Fri
10Sat3:442.63:392.39:490.49:52-0.16:436:31New Moon10Sat
11Sun4:262.74:122.110:360.510:26-0.16:436:30Waxing Crescent11Sun
12Mon5:112.74:472.011:280.611:030.06:436:29Waxing Crescent12Mon
13Tue6:012.75:251.712:250.86:446:28Waxing Crescent13Tue
14Wed6:572.66:101.51:310.96:446:28Waxing Crescent14Wed
15Thu8:062.57:151.312:330.23:031.06:446:27First Quarter15Thu
16Fri9:312.49:201.21:340.44:490.96:456:26First Quarter16Fri
17Sat10:482.411:111.43:070.65:560.76:456:25First Quarter17Sat
18Sun11:492.54:450.66:390.66:456:25Waxing Gibbous18Sun
19Mon12:231.612:392.55:590.67:140.46:466:24Waxing Gibbous19Mon
20Tue1:161.91:212.47:000.57:440.26:466:23Waxing Gibbous20Tue
21Wed1:582.21:572.47:500.58:120.16:466:23Waxing Gibbous21Wed
22Thu2:352.42:292.38:330.58:390.06:476:22Full Moon22Thu
23Fri3:102.52:592.29:140.59:07-0.16:476:21Full Moon23Fri
24Sat3:442.63:282.09:540.59:35-0.16:476:21Full Moon24Sat
25Sun4:192.73:581.910:360.610:040.06:486:20Full Moon25Sun
26Mon4:552.64:271.711:210.710:340.16:486:19Waning Gibbous26Mon
27Tue5:332.54:571.512:070.86:496:19Waning Gibbous27Tue
28Wed6:142.45:281.312:580.96:496:18Waning Gibbous28Wed
29Thu6:592.36:051.22:011.06:506:18Waning Gibbous29Thu
30Fri7:562.17:081.112:160.53:431.06:506:17Third Quarter30Fri
31Sat9:122.09:501.11:060.75:120.96:506:16Third Quarter31Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (1617760)

Common Questions About Hilo, Hilo Bay, Kuhio Bay, HI Tides

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What time does the tide turn (slack tide) in Hilo, Hilo Bay, Kuhio Bay, HI today?

Slack tide in Hilo, Hilo Bay, Kuhio Bay, HI is approximately 3:32 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 Hilo, Hilo Bay, Kuhio Bay, HI?

Hilo, Hilo Bay, Kuhio Bay, HI is currently in a transitional phase. Tonight's moon is 39% 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 Hilo, Hilo Bay, Kuhio Bay, 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 Hilo, Hilo Bay, Kuhio Bay, HI?

Tide predictions for Hilo, Hilo Bay, Kuhio Bay, 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 Hilo, Hilo Bay, Kuhio Bay, HI?

Tide data for Hilo, Hilo Bay, Kuhio Bay, HI is sourced from NOAA Station #1617760. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=1617760.

What is the moon phase in Hilo, Hilo Bay, Kuhio Bay, HI tonight?

Tonight the moon over Hilo, Hilo Bay, Kuhio Bay, HI is First Quarter (39% illuminated). This places Hilo, Hilo Bay, Kuhio Bay, 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