Tides Today & Tomorrow in William Henry Bay, AK

TIDE TIMES for Wednesday, July 22, 2026
The tide is currently falling in William Henry Bay, AK.
Next low tide : in 3h 08m at 2:12 am (2.9 ft)
Next high tide : 8:22 am (10.4 ft)
Sunset today : 9:46 pm
Sunrise tomorrow : 4:28 am
Moon phase : First Quarter (54% illuminated)
Tide Station Location : Station #9452391
Common Questions About Tides

William Henry Bay, AK Tides - Jun 1975

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun5:3711.96:4612.512:024.812:052.83:018:55Third Quarter1Sun
2Mon6:4311.07:4112.71:074.71:023.73:008:57Third Quarter2Mon
3Tue7:5710.78:3313.12:134.22:054.22:598:58Third Quarter3Tue
4Wed9:0810.99:2013.83:133.33:054.42:589:00Waning Crescent4Wed
5Thu10:0911.510:0414.64:042.13:594.42:579:01Waning Crescent5Thu
6Fri11:0112.310:4615.44:490.94:474.12:569:02Waning Crescent6Fri
7Sat11:4713.111:2716.25:30-0.35:323.72:559:04Waning Crescent7Sat
8Sun12:3113.86:10-1.46:133.32:549:05New Moon8Sun
9Mon12:0716.81:1214.46:49-2.36:552.92:539:06New Moon9Mon
10Tue12:4917.31:5314.87:28-2.97:362.62:529:07New Moon10Tue
11Wed1:3117.52:3415.18:08-3.28:192.42:529:08Waxing Crescent11Wed
12Thu2:1417.33:1615.28:50-3.19:062.32:519:09Waxing Crescent12Thu
13Fri3:0016.74:0115.29:34-2.59:562.42:519:10Waxing Crescent13Fri
14Sat3:4915.74:4815.110:21-1.610:522.52:509:11Waxing Crescent14Sat
15Sun4:4514.55:4115.011:12-0.411:562.52:509:12First Quarter15Sun
16Mon5:5013.36:3815.112:090.92:509:12First Quarter16Mon
17Tue7:0712.37:3915.31:072.21:132.12:499:13First Quarter17Tue
18Wed8:3012.08:4015.72:191.52:222.92:499:13Waxing Gibbous18Wed
19Thu9:4712.49:3816.23:270.53:293.32:499:14Waxing Gibbous19Thu
20Fri10:5313.110:3216.74:27-0.64:313.32:499:14Waxing Gibbous20Fri
21Sat11:4913.811:2117.05:19-1.55:253.02:509:15Full Moon21Sat
22Sun12:3814.46:06-2.26:152.72:509:15Full Moon22Sun
23Mon12:0817.21:2214.86:50-2.57:002.52:509:15Full Moon23Mon
24Tue12:5117.22:0214.97:30-2.57:432.42:519:15Full Moon24Tue
25Wed1:3216.92:3914.98:08-2.28:242.52:519:15Waning Gibbous25Wed
26Thu2:1116.33:1414.78:45-1.79:042.72:529:15Waning Gibbous26Thu
27Fri2:4915.53:4814.49:20-0.99:443.12:529:14Waning Gibbous27Fri
28Sat3:2814.64:2314.09:550.210:263.42:539:14Waning Gibbous28Sat
29Sun4:0813.44:5913.610:311.311:133.82:549:14Third Quarter29Sun
30Mon4:5312.35:4013.311:102.52:559:13Third Quarter30Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9452391)

Common Questions About William Henry Bay, AK Tides

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What time does the tide turn (slack tide) in William Henry Bay, AK today?

Slack tide in William Henry Bay, AK is approximately 5:17 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 William Henry Bay, AK?

William Henry Bay, AK is currently in a neap phase. Tonight's moon is 54% 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 William Henry Bay, AK 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 William Henry Bay, AK?

Tide predictions for William Henry Bay, AK 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 William Henry Bay, AK?

Tide data for William Henry Bay, AK is sourced from NOAA Station #9452391. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9452391.

What is the moon phase in William Henry Bay, AK tonight?

Tonight the moon over William Henry Bay, AK is First Quarter (54% illuminated). This places William Henry Bay, AK 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