Tides Today & Tomorrow in Johnstone Point, AK

TIDE TIMES for Wednesday, August 12, 2026
The tide is currently falling in Johnstone Point, AK.
Next low tide : in 6h 22m at 7:51 am (-2.7 ft)
Next high tide : 2:21 pm (11.4 ft)
Sunset today : 9:50 pm
Sunrise tomorrow : 5:52 am
Moon phase : New Moon (0% illuminated)
Tide Station Location : Station #9454319
Common Questions About Tides

Johnstone Point, AK Tides - Apr 1947

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue8:4810.910:1010.22:494.43:37-0.25:116:29Waxing Gibbous1Tue
2Wed9:5111.410:5111.23:562.94:26-0.85:086:31Waxing Gibbous2Wed
3Thu10:4411.911:2711.94:451.45:06-1.25:056:34Full Moon3Thu
4Fri11:3212.15:270.15:42-1.25:026:36Full Moon4Fri
5Sat12:0012.512:1512.06:06-0.86:17-0.84:596:39Full Moon5Sat
6Sun12:3012.812:5411.76:45-1.36:52-0.14:566:41Full Moon6Sun
7Mon12:5812.81:3211.17:22-1.57:260.84:536:44Waning Gibbous7Mon
8Tue1:2512.62:0910.48:00-1.28:001.94:506:46Waning Gibbous8Tue
9Wed1:5112.12:469.58:38-0.68:352.94:476:49Waning Gibbous9Wed
10Thu2:1711.53:298.69:190.29:124.04:436:51Waning Gibbous10Thu
11Fri2:4710.74:297.710:031.19:544.94:406:54Third Quarter11Fri
12Sat3:259.75:597.110:561.910:485.74:376:56Third Quarter12Sat
13Sun4:328.87:277.212:022.54:346:59Third Quarter13Sun
14Mon6:218.48:317.812:056.11:252.64:317:01Third Quarter14Mon
15Tue7:448.69:168.61:435.72:432.04:287:04Waning Crescent15Tue
16Wed8:469.29:529.43:044.63:331.34:257:06Waning Crescent16Wed
17Thu9:389.910:2410.43:523.24:110.64:227:09Waning Crescent17Thu
18Fri10:2410.510:5511.34:311.74:450.14:197:11Waning Crescent18Fri
19Sat11:0811.011:2512.25:080.35:19-0.14:167:14New Moon19Sat
20Sun11:5011.411:5612.95:45-1.05:530.04:137:16New Moon20Sun
21Mon12:3311.46:23-1.96:290.34:107:19New Moon21Mon
22Tue12:2813.41:1611.27:04-2.57:081.04:077:22Waxing Crescent22Tue
23Wed1:0213.62:0110.77:47-2.77:481.84:057:24Waxing Crescent23Wed
24Thu1:3813.42:519.98:34-2.48:332.74:027:27Waxing Crescent24Thu
25Fri2:1912.83:529.19:24-1.79:243.63:597:29Waxing Crescent25Fri
26Sat3:0811.85:138.510:21-0.810:254.43:567:32First Quarter26Sat
27Sun4:1810.66:408.511:260.011:404.83:537:34First Quarter27Sun
28Mon5:569.87:519.012:400.63:507:37First Quarter28Mon
29Tue7:249.68:489.81:114.51:580.73:477:39Waxing Gibbous29Tue
30Wed8:379.99:3410.72:413.33:040.43:447:42Waxing Gibbous30Wed
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 11:06 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 spring phase. Tonight's moon is 0% 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 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 New Moon (0% illuminated). This places Johnstone Point, 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