Tides Today & Tomorrow in Black Rock, Walrus Islands, AK

TIDE TIMES for Saturday, June 20, 2026
The tide is currently falling in Black Rock, Walrus Islands, AK.
Next low tide : in 4h 54m at 1:49 am (-1.1 ft)
Next high tide : 8:48 am (9.6 ft)
Sunset today : 11:54 pm
Sunrise tomorrow : 5:29 am
Moon phase : Waxing Crescent (29% illuminated)
Tide Station Location : Station #9465182
Common Questions About Tides

Black Rock, Walrus Islands, AK Tides - Mar 2013

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri5:547.25:297.711:382.58:347:11Waning Gibbous1Fri
2Sat6:547.66:097.812:140.812:322.98:317:13Waning Gibbous2Sat
3Sun7:537.96:558.01:030.11:273.28:287:16Third Quarter3Sun
4Mon8:528.27:468.01:55-0.42:243.58:267:18Third Quarter4Mon
5Tue9:498.48:428.12:49-0.83:233.58:237:20Third Quarter5Tue
6Wed10:468.59:428.03:46-1.04:233.58:207:23Waning Crescent6Wed
7Thu11:408.610:457.94:44-1.05:233.38:177:25Waning Crescent7Thu
8Fri12:328.65:42-0.96:222.98:147:27Waning Crescent8Fri
9Sat1:238.56:38-0.67:192.58:117:30Waning Crescent9Sat
10Sun12:567.63:128.48:34-0.29:152.09:098:32New Moon10Sun
11Mon3:047.54:008.29:300.410:101.69:068:35New Moon11Mon
12Tue4:137.54:478.010:261.011:031.29:038:37New Moon12Tue
13Wed5:197.55:327.711:211.611:540.99:008:39Waxing Crescent13Wed
14Thu6:227.76:167.512:162.28:578:41Waxing Crescent14Thu
15Fri7:227.87:007.312:430.71:122.78:548:44Waxing Crescent15Fri
16Sat8:187.97:437.01:320.52:073.08:518:46Waxing Crescent16Sat
17Sun9:118.08:286.82:200.53:003.38:488:48First Quarter17Sun
18Mon10:028.09:136.73:060.53:523.68:468:51First Quarter18Mon
19Tue10:528.09:586.53:520.54:433.78:438:53First Quarter19Tue
20Wed11:397.910:456.44:390.65:333.88:408:55First Quarter20Wed
21Thu12:247.75:240.76:203.88:378:58Waxing Gibbous21Thu
22Fri1:047.56:090.97:043.78:349:00Waxing Gibbous22Fri
23Sat12:206.31:407.36:521.17:453.48:319:02Waxing Gibbous23Sat
24Sun1:086.32:117.27:341.38:223.18:289:05Waxing Gibbous24Sun
25Mon1:586.42:407.08:161.68:592.68:259:07Full Moon25Mon
26Tue2:526.63:087.09:002.09:352.08:229:09Full Moon26Tue
27Wed3:496.93:387.09:472.310:151.48:199:11Full Moon27Wed
28Thu4:487.34:137.110:372.610:580.78:179:14Full Moon28Thu
29Fri5:457.74:547.311:302.911:460.08:149:16Waning Gibbous29Fri
30Sat6:438.25:427.412:253.18:119:18Waning Gibbous30Sat
31Sun7:408.56:357.512:37-0.51:223.28:089:21Waning Gibbous31Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9465182)

Common Questions About Black Rock, Walrus Islands, AK Tides

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What time does the tide turn (slack tide) in Black Rock, Walrus Islands, AK today?

Slack tide in Black Rock, Walrus Islands, AK is approximately 5:18 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 Black Rock, Walrus Islands, AK?

Black Rock, Walrus Islands, AK is currently in a transitional phase. Tonight's moon is 29% 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 Black Rock, Walrus Islands, 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 Black Rock, Walrus Islands, AK?

Tide predictions for Black Rock, Walrus Islands, 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 Black Rock, Walrus Islands, AK?

Tide data for Black Rock, Walrus Islands, AK is sourced from NOAA Station #9465182. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9465182.

What is the moon phase in Black Rock, Walrus Islands, AK tonight?

Tonight the moon over Black Rock, Walrus Islands, AK is Waxing Crescent (29% illuminated). This places Black Rock, Walrus Islands, 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