Tides Today & Tomorrow in Johnstone Point, AK

TIDE TIMES for Friday, August 7, 2026
The tide is currently rising in Johnstone Point, AK.
Next low tide : 2:18 pm (4.8 ft)
Next high tide : in 4m at 9:22 am (7.4 ft)
Sunset today : 10:04 pm
Sunrise tomorrow : 5:40 am
Moon phase : Waning Crescent (31% illuminated)
Tide Station Location : Station #9454319
Common Questions About Tides

Johnstone Point, AK Tides - Aug 1956

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed7:387.57:1811.21:021.612:484.43:258:20Waning Crescent1Wed
2Thu8:538.18:2411.92:200.92:114.33:278:17Waning Crescent2Thu
3Fri9:569.09:2612.73:28-0.33:243.63:298:15Waning Crescent3Fri
4Sat10:4910.110:2413.44:23-1.54:242.53:328:12New Moon4Sat
5Sun11:3611.111:1813.95:10-2.55:161.33:348:09New Moon5Sun
6Mon12:2012.05:55-3.16:050.33:378:07New Moon6Mon
7Tue12:1014.01:0112.66:37-3.16:53-0.43:398:04New Moon7Tue
8Wed12:5813.71:4013.07:19-2.77:41-0.73:428:01Waxing Crescent8Wed
9Thu1:4513.02:1813.08:01-1.98:29-0.63:447:58Waxing Crescent9Thu
10Fri2:3211.92:5712.68:43-0.79:19-0.13:477:56Waxing Crescent10Fri
11Sat3:2210.53:3912.09:250.810:100.63:497:53First Quarter11Sat
12Sun4:219.24:2811.310:102.211:061.43:527:50First Quarter12Sun
13Mon5:368.15:2910.610:593.63:547:47First Quarter13Mon
14Tue7:007.66:3910.212:122.111:59 AM4.73:577:44First Quarter14Tue
15Wed8:217.77:4710.11:362.31:165.33:597:41Waxing Gibbous15Wed
16Thu9:298.28:4810.43:022.02:445.14:027:39Waxing Gibbous16Thu
17Fri10:198.89:4010.83:581.33:474.44:047:36Waxing Gibbous17Fri
18Sat10:579.410:2411.24:370.64:313.64:067:33Waxing Gibbous18Sat
19Sun11:2810.011:0411.65:090.15:082.84:097:30Full Moon19Sun
20Mon11:5710.611:4111.85:39-0.35:432.04:117:27Full Moon20Mon
21Tue12:2511.16:09-0.56:171.44:147:24Full Moon21Tue
22Wed12:1611.912:5211.56:39-0.56:521.04:167:21Full Moon22Wed
23Thu12:4911.81:1811.87:09-0.37:270.74:197:18Waning Gibbous23Thu
24Fri1:2211.41:4411.97:410.28:050.64:217:15Waning Gibbous24Fri
25Sat1:5610.92:1111.98:130.98:440.74:247:12Waning Gibbous25Sat
26Sun2:3210.22:4211.88:481.89:290.94:267:09Waning Gibbous26Sun
27Mon3:169.33:1911.59:272.710:191.24:297:06Third Quarter27Mon
28Tue4:188.44:1311.110:143.711:201.64:317:03Third Quarter28Tue
29Wed5:547.85:3210.811:144.54:337:00Third Quarter29Wed
30Thu7:268.06:5910.912:331.612:324.94:366:57Waning Crescent30Thu
31Fri8:398.78:1411.51:541.21:594.54:386:54Waning Crescent31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9454319)

Common Questions About Johnstone Point, AK Tides

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What time does the tide turn (slack tide) in Johnstone Point, AK today?

Slack tide in Johnstone Point, AK is approximately 11:50 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 Johnstone Point, AK?

Johnstone Point, AK is currently in a transitional phase. Tonight's moon is 31% 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 Johnstone Point, 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 Johnstone Point, AK?

Tide predictions for Johnstone Point, 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 Johnstone Point, AK?

Tide data for Johnstone Point, AK is sourced from NOAA Station #9454319. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9454319.

What is the moon phase in Johnstone Point, AK tonight?

Tonight the moon over Johnstone Point, AK is Waning Crescent (31% illuminated). This places Johnstone Point, 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