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

TIDE TIMES for Thursday, June 18, 2026
The tide is currently rising in Black Rock, Walrus Islands, AK.
Next low tide : 1:05 pm (3.5 ft)
Next high tide : in 6h 15m at 7:11 am (9.7 ft)
Sunset today : 11:54 pm
Sunrise tomorrow : 5:29 am
Moon phase : Waxing Crescent (19% illuminated)
Tide Station Location : Station #9465182
Common Questions About Tides

Black Rock, Walrus Islands, AK Tides - May 2016

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun11:198.110:556.34:200.65:332.66:4210:33Third Quarter1Sun
2Mon11:548.05:130.96:161.96:3910:35Waning Crescent2Mon
3Tue12:006.612:308.16:091.27:021.16:3710:38Waning Crescent3Tue
4Wed1:057.11:098.17:071.67:500.26:3410:40Waning Crescent4Wed
5Thu2:117.61:528.18:082.08:41-0.66:3210:42New Moon5Thu
6Fri3:188.12:408.09:112.49:35-1.36:2910:44New Moon6Fri
7Sat4:248.73:367.910:142.710:30-1.86:2710:47New Moon7Sat
8Sun5:289.14:367.811:182.811:26-2.06:2410:49Waxing Crescent8Sun
9Mon6:299.55:397.612:222.86:2210:51Waxing Crescent9Mon
10Tue7:289.76:457.312:24-2.01:262.66:2010:53Waxing Crescent10Tue
11Wed8:259.87:527.11:22-1.72:282.46:1810:56First Quarter11Wed
12Thu9:209.79:006.92:21-1.33:292.16:1510:58First Quarter12Thu
13Fri10:139.510:086.73:19-0.74:281.86:1311:00First Quarter13Fri
14Sat11:049.111:166.64:160.05:261.56:1111:02First Quarter14Sat
15Sun11:528.65:130.86:201.26:0911:04Waxing Gibbous15Sun
16Mon12:216.612:358.16:101.67:101.06:0711:07Waxing Gibbous16Mon
17Tue1:236.61:147.57:052.37:550.86:0511:09Waxing Gibbous17Tue
18Wed2:226.81:477.07:572.98:360.76:0311:11Waxing Gibbous18Wed
19Thu3:187.02:176.68:493.59:130.66:0111:13Waxing Gibbous19Thu
20Fri4:107.32:446.29:393.99:490.55:5911:15Full Moon20Fri
21Sat4:577.63:126.010:294.210:230.45:5711:17Full Moon21Sat
22Sun5:407.83:425.811:174.410:570.35:5511:19Full Moon22Sun
23Mon6:218.14:175.712:044.45:5311:21Full Moon23Mon
24Tue7:018.34:575.612:504.45:5211:23Waning Gibbous24Tue
25Wed7:408.55:445.612:070.11:354.25:5011:25Waning Gibbous25Wed
26Thu8:178.56:365.612:460.02:183.95:4811:27Waning Gibbous26Thu
27Fri8:538.57:355.61:270.13:003.55:4711:28Third Quarter27Fri
28Sat9:288.58:405.72:120.23:413.05:4511:30Third Quarter28Sat
29Sun10:028.59:476.03:000.54:232.45:4411:32Third Quarter29Sun
30Mon10:368.410:556.33:510.95:071.65:4211:33Third Quarter30Mon
31Tue11:118.44:461.55:540.75:4111:35Waning Crescent31Tue
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 10:08 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 spring phase. Tonight's moon is 19% 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 near their weekly maximum.

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 (19% illuminated). This places Black Rock, Walrus Islands, AK in a spring tide cycle, so tidal ranges are near their weekly maximum 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