Tides Today & Tomorrow in Port Beauclerc, Kuiu Island, AK

TIDE TIMES for Tuesday, August 18, 2026
The tide is currently rising in Port Beauclerc, Kuiu Island, AK.
Next low tide : 10:45 am (2.2 ft)
Next high tide : in 2h 02m at 5:05 am (9.5 ft)
Sunset today : 8:26 pm
Sunrise tomorrow : 5:32 am
Moon phase : First Quarter (38% illuminated)
Tide Station Location : Station #9451082
Common Questions About Tides

Port Beauclerc, Kuiu Island, AK Tides - Aug 2010

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun4:479.25:1010.810:421.811:451.84:599:05Third Quarter1Sun
2Mon5:408.55:5010.711:152.75:019:03Third Quarter2Mon
3Tue6:517.96:4010.712:461.811:59 AM3.55:029:01Third Quarter3Tue
4Wed8:247.77:4310.82:011.61:044.25:048:58Third Quarter4Wed
5Thu9:598.18:5511.13:181.02:334.45:068:56Waning Crescent5Thu
6Fri11:058.710:0311.74:230.13:574.25:088:54Waning Crescent6Fri
7Sat11:549.511:0412.35:17-0.85:023.55:108:52Waning Crescent7Sat
8Sun12:3510.36:04-1.65:582.65:128:50New Moon8Sun
9Mon1:1311.16:48-2.26:491.65:148:47New Moon9Mon
10Tue12:4913.21:5111.87:29-2.57:380.85:168:45New Moon10Tue
11Wed1:3913.22:2812.48:09-2.38:270.15:188:43Waxing Crescent11Wed
12Thu2:2812.83:0712.88:49-1.89:16-0.35:208:41Waxing Crescent12Thu
13Fri3:1812.13:4612.89:29-0.910:07-0.45:228:38Waxing Crescent13Fri
14Sat4:1011.24:2812.710:090.311:01-0.25:248:36Waxing Crescent14Sat
15Sun5:0810.15:1312.210:521.65:268:33First Quarter15Sun
16Mon6:169.26:0511.712:010.211:40 AM2.85:288:31First Quarter16Mon
17Tue7:408.67:0811.11:130.712:433.85:308:29First Quarter17Tue
18Wed9:178.58:2310.82:350.92:094.45:328:26Waxing Gibbous18Wed
19Thu10:398.99:3910.83:520.73:404.45:348:24Waxing Gibbous19Thu
20Fri11:349.410:4211.04:530.44:484.05:368:21Waxing Gibbous20Fri
21Sat12:139.85:400.05:383.45:388:19Waxing Gibbous21Sat
22Sun12:4510.26:18-0.36:192.85:408:16Full Moon22Sun
23Mon12:1311.51:1310.66:51-0.46:542.25:428:14Full Moon23Mon
24Tue12:5011.61:3810.97:21-0.47:281.75:448:11Full Moon24Tue
25Wed1:2511.52:0311.27:48-0.38:001.25:468:09Full Moon25Wed
26Thu1:5911.42:2811.48:150.08:331.05:488:06Waning Gibbous26Thu
27Fri2:3211.12:5311.58:420.59:060.85:508:04Waning Gibbous27Fri
28Sat3:0710.73:1911.59:081.29:410.85:528:01Waning Gibbous28Sat
29Sun3:4410.23:4611.49:351.910:191.05:547:59Waning Gibbous29Sun
30Mon4:259.54:1811.310:032.611:051.25:567:56Third Quarter30Mon
31Tue5:168.94:5811.110:373.45:587:53Third Quarter31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9451082)

Common Questions About Port Beauclerc, Kuiu Island, AK Tides

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What time does the tide turn (slack tide) in Port Beauclerc, Kuiu Island, AK today?

Slack tide in Port Beauclerc, Kuiu Island, AK is approximately 7:55 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 Port Beauclerc, Kuiu Island, AK?

Port Beauclerc, Kuiu Island, AK is currently in a transitional phase. Tonight's moon is 38% 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 Port Beauclerc, Kuiu Island, 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 Port Beauclerc, Kuiu Island, AK?

Tide predictions for Port Beauclerc, Kuiu Island, 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 Port Beauclerc, Kuiu Island, AK?

Tide data for Port Beauclerc, Kuiu Island, AK is sourced from NOAA Station #9451082. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9451082.

What is the moon phase in Port Beauclerc, Kuiu Island, AK tonight?

Tonight the moon over Port Beauclerc, Kuiu Island, AK is First Quarter (38% illuminated). This places Port Beauclerc, Kuiu Island, 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