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

TIDE TIMES for Sunday, June 21, 2026
The tide is currently falling in Black Rock, Walrus Islands, AK.
Next low tide : in 3h 54m at 2:48 am (-0.1 ft)
Next high tide : 9:34 am (9.3 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 - Jun 2041

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat7:009.35:175.912:524.35:4011:37Waxing Crescent1Sat
2Sun7:469.36:125.712:15-0.91:484.15:3911:38Waxing Crescent2Sun
3Mon8:309.17:105.51:02-0.62:403.95:3811:40Waxing Crescent3Mon
4Tue9:108.98:095.31:48-0.23:283.65:3611:41Waxing Crescent4Tue
5Wed9:488.69:115.22:330.24:143.25:3611:42First Quarter5Wed
6Thu10:238.310:145.23:180.84:582.75:3511:44First Quarter6Thu
7Fri10:548.011:195.44:031.55:392.25:3411:45First Quarter7Fri
8Sat11:227.64:502.36:171.75:3311:46First Quarter8Sat
9Sun12:235.711:45 AM7.35:403.16:511.25:3211:47Waxing Gibbous9Sun
10Mon1:246.112:037.06:323.97:220.65:3211:48Waxing Gibbous10Mon
11Tue2:216.712:186.97:264.57:530.15:3111:49Waxing Gibbous11Tue
12Wed3:167.312:386.98:215.18:26-0.55:3111:50Full Moon12Wed
13Thu4:077.81:096.99:165.49:04-1.05:3011:51Full Moon13Thu
14Fri4:558.31:527.010:105.59:49-1.45:3011:52Full Moon14Fri
15Sat5:418.72:466.911:045.510:38-1.85:3011:52Full Moon15Sat
16Sun6:269.13:516.911:575.111:30-1.95:3011:53Waning Gibbous16Sun
17Mon7:109.35:046.712:514.65:2911:53Waning Gibbous17Mon
18Tue7:549.46:226.612:24-1.91:473.95:2911:54Waning Gibbous18Tue
19Wed8:379.57:456.51:21-1.52:423.05:3011:54Third Quarter19Wed
20Thu9:209.49:086.52:19-0.93:371.95:3011:54Third Quarter20Thu
21Fri10:029.310:296.63:180.04:320.95:3011:55Third Quarter21Fri
22Sat10:449.011:487.04:191.15:270.05:3011:55Third Quarter22Sat
23Sun11:278.75:232.16:20-0.85:3111:55Waning Crescent23Sun
24Mon1:027.512:098.26:293.17:11-1.35:3111:55Waning Crescent24Mon
25Tue2:128.012:527.77:353.98:00-1.55:3211:54Waning Crescent25Tue
26Wed3:178.51:347.28:404.48:48-1.55:3211:54New Moon26Wed
27Thu4:168.82:186.79:444.79:35-1.45:3311:54New Moon27Thu
28Fri5:109.03:046.310:444.810:21-1.15:3411:54New Moon28Fri
29Sat5:599.13:556.011:414.811:05-0.95:3511:53New Moon29Sat
30Sun6:439.04:485.712:354.65:3611:53Waxing Crescent30Sun
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 6:11 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