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 1h 17m at 1:49 am (-1.1 ft)
Next high tide : 8:48 am (9.6 ft)
Sunset today : 11:54 pm
Sunrise tomorrow : 5:30 am
Moon phase : First Quarter (39% illuminated)
Tide Station Location : Station #9465182
Common Questions About Tides

Black Rock, Walrus Islands, AK Tides - Dec 2012

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat3:415.76:258.910:470.510:074:53Waning Gibbous1Sat
2Sun4:355.66:599.012:334.811:25 AM0.610:084:52Waning Gibbous2Sun
3Mon5:335.57:318.91:154.412:050.810:104:51Waning Gibbous3Mon
4Tue6:345.58:018.81:544.012:461.110:124:50Third Quarter4Tue
5Wed7:365.68:288.72:313.51:281.510:144:49Third Quarter5Wed
6Thu8:375.98:538.63:062.82:122.110:154:48Third Quarter6Thu
7Fri9:396.29:178.53:402.12:592.710:174:47Third Quarter7Fri
8Sat10:396.79:448.64:161.33:513.410:184:47Waning Crescent8Sat
9Sun11:387.310:178.74:540.44:484.010:204:46Waning Crescent9Sun
10Mon12:368.05:37-0.55:484.510:214:46Waning Crescent10Mon
11Tue1:338.56:23-1.26:504.810:224:46New Moon11Tue
12Wed2:319.07:14-1.87:544.910:234:45New Moon12Wed
13Thu12:388.63:289.58:08-2.18:594.710:254:45New Moon13Thu
14Fri1:418.44:249.89:05-2.110:034.310:264:45New Moon14Fri
15Sat2:528.05:1710.110:03-2.011:073.710:274:45Waxing Crescent15Sat
16Sun4:097.76:1010.211:02-1.610:274:45Waxing Crescent16Sun
17Mon5:277.47:0010.312:103.012:01-0.910:284:45Waxing Crescent17Mon
18Tue6:467.27:4910.11:122.21:01-0.110:294:46First Quarter18Tue
19Wed8:037.28:369.82:111.52:000.810:304:46First Quarter19Wed
20Thu9:177.39:229.43:070.83:001.810:304:46First Quarter20Thu
21Fri10:297.510:058.94:020.34:002.810:314:47First Quarter21Fri
22Sat11:367.810:468.34:530.05:013.610:314:47Waxing Gibbous22Sat
23Sun12:398.05:41-0.26:014.310:314:48Waxing Gibbous23Sun
24Mon1:378.36:26-0.26:594.910:324:49Waxing Gibbous24Mon
25Tue2:328.47:07-0.17:555.210:324:50Waxing Gibbous25Tue
26Wed12:296.83:218.57:460.08:495.410:324:51Full Moon26Wed
27Thu1:006.54:048.68:240.19:395.510:324:51Full Moon27Thu
28Fri1:326.24:428.69:010.210:275.410:324:53Full Moon28Fri
29Sat2:136.05:178.79:370.311:125.110:324:54Full Moon29Sat
30Sun3:075.85:498.710:140.511:544.710:314:55Waning Gibbous30Sun
31Mon4:085.76:198.710:520.710:314:56Waning Gibbous31Mon
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 39% 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 First Quarter (39% 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