Tides Today & Tomorrow in William Henry Bay, AK

TIDE TIMES for Monday, August 3, 2026
The tide is currently rising in William Henry Bay, AK.
Next low tide : 10:44 am (0.3 ft)
Next high tide : in 1h 16m at 4:30 am (14.7 ft)
Sunset today : 9:18 pm
Sunrise tomorrow : 4:55 am
Moon phase : Waning Gibbous (74% illuminated)
Tide Station Location : Station #9452391
Common Questions About Tides

William Henry Bay, AK Tides - Mar 1959

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun4:0816.25:0512.510:481.011:033.95:574:29Third Quarter1Sun
2Mon5:1215.26:3911.812:031.85:544:31Third Quarter2Mon
3Tue6:3114.58:1312.112:245.01:271.95:514:34Waning Crescent3Tue
4Wed7:5414.69:2413.21:515.02:431.35:494:36Waning Crescent4Wed
5Thu9:0515.210:1714.33:054.13:440.45:464:38Waning Crescent5Thu
6Fri10:0215.911:0015.34:032.84:32-0.55:434:41Waning Crescent6Fri
7Sat10:5016.511:3716.14:501.65:14-1.05:404:43New Moon7Sat
8Sun11:3216.85:320.65:51-1.35:374:45New Moon8Sun
9Mon12:0916.512:0916.96:100.06:25-1.15:344:48New Moon9Mon
10Tue12:3916.812:4416.66:45-0.46:57-0.75:324:50New Moon10Tue
11Wed1:0816.71:1816.17:19-0.47:280.15:294:52Waxing Crescent11Wed
12Thu1:3516.51:5115.37:520.07:581.15:264:55Waxing Crescent12Thu
13Fri2:0316.02:2414.38:240.68:282.35:234:57Waxing Crescent13Fri
14Sat2:3315.33:0013.28:591.49:003.55:204:59Waxing Crescent14Sat
15Sun3:0714.53:4212.09:392.39:374.85:175:02First Quarter15Sun
16Mon3:4713.64:3811.010:283.210:275.95:145:04First Quarter16Mon
17Tue4:4212.86:0110.311:343.811:456.75:115:06First Quarter17Tue
18Wed5:5912.37:3910.612:573.85:095:09First Quarter18Wed
19Thu7:2312.68:4911.71:246.52:143.05:065:11Waxing Gibbous19Thu
20Fri8:3413.59:3713.12:405.43:121.85:035:13Waxing Gibbous20Fri
21Sat9:3014.810:1814.63:353.83:590.45:005:16Waxing Gibbous21Sat
22Sun10:1916.010:5516.04:202.04:42-0.84:575:18Waxing Gibbous22Sun
23Mon11:0517.011:3217.35:030.25:22-1.74:545:20Full Moon23Mon
24Tue11:4917.75:44-1.46:02-2.14:515:23Full Moon24Tue
25Wed12:0918.312:3317.96:25-2.56:42-2.04:485:25Full Moon25Wed
26Thu12:4718.91:1717.67:07-3.17:23-1.44:455:27Waning Gibbous26Thu
27Fri1:2719.02:0316.87:51-3.18:06-0.34:425:29Waning Gibbous27Fri
28Sat2:0818.52:5215.68:37-2.48:531.24:405:32Waning Gibbous28Sat
29Sun2:5417.43:4914.29:29-1.29:462.84:375:34Third Quarter29Sun
30Mon3:4716.14:5912.910:280.210:534.24:345:36Third Quarter30Mon
31Tue4:5114.76:2712.311:401.44:315:39Third Quarter31Tue
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 7:37 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 transitional phase. Tonight's moon is 74% 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 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 Waning Gibbous (74% illuminated). This places William Henry Bay, AK 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