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 : 11:22 pm (1.5 ft)
Next high tide : in 4h 03m at 5:01 pm (15.6 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 1958

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat8:1114.19:3012.72:095.93:001.55:564:29Waxing Gibbous1Sat
2Sun9:1415.410:1714.33:174.43:53-0.15:544:32Waxing Gibbous2Sun
3Mon10:0916.710:5815.94:102.64:39-1.65:514:34Waxing Gibbous3Mon
4Tue10:5817.911:3817.34:580.75:22-2.65:484:37Full Moon4Tue
5Wed11:4518.65:42-0.96:04-3.25:454:39Full Moon5Wed
6Thu12:1618.412:3118.86:26-2.16:45-3.25:424:41Full Moon6Thu
7Fri12:5519.11:1618.47:10-2.87:27-2.55:394:44Waning Gibbous7Fri
8Sat1:3519.22:0317.47:54-2.78:09-1.25:374:46Waning Gibbous8Sat
9Sun2:1618.72:5116.08:41-2.08:550.55:344:48Waning Gibbous9Sun
10Mon3:0017.73:4514.39:32-0.89:452.35:314:51Third Quarter10Mon
11Tue3:4916.34:5212.710:300.710:464.15:284:53Third Quarter11Tue
12Wed4:4914.96:1911.711:401.95:254:55Third Quarter12Wed
13Thu6:0513.87:5311.812:045.31:022.65:224:58Third Quarter13Thu
14Fri7:3113.49:0512.51:315.52:222.45:195:00Waning Crescent14Fri
15Sat8:4413.89:5713.52:464.83:241.75:175:02Waning Crescent15Sat
16Sun9:4114.410:3714.33:443.64:111.05:145:05Waning Crescent16Sun
17Mon10:2715.011:1015.04:292.54:500.55:115:07Waning Crescent17Mon
18Tue11:0615.511:3915.65:081.45:240.15:085:09New Moon18Tue
19Wed11:4115.85:430.65:550.05:055:12New Moon19Wed
20Thu12:0616.012:1415.96:150.06:250.25:025:14New Moon20Thu
21Fri12:3216.312:4615.86:46-0.36:540.54:595:16New Moon21Fri
22Sat12:5816.41:1815.47:16-0.37:221.24:565:19Waxing Crescent22Sat
23Sun1:2516.21:4914.77:46-0.17:502.04:535:21Waxing Crescent23Sun
24Mon1:5315.92:2313.98:180.38:212.94:505:23Waxing Crescent24Mon
25Tue2:2415.33:0012.98:541.08:553.94:485:25Waxing Crescent25Tue
26Wed3:0014.63:4711.99:381.79:394.94:455:28First Quarter26Wed
27Thu3:4713.94:5311.110:342.410:415.84:425:30First Quarter27Thu
28Fri4:5213.16:2211.011:462.84:395:32First Quarter28Fri
29Sat6:1712.97:4811.812:106.11:082.54:365:35First Quarter29Sat
30Sun7:4113.58:5113.21:425.22:211.64:335:37Waxing Gibbous30Sun
31Mon8:5114.69:4014.92:523.53:190.34:305:39Waxing Gibbous31Mon
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 8:11 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 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