Tides Today & Tomorrow in Johnstone Point, AK

TIDE TIMES for Sunday, August 23, 2026
The tide is currently falling in Johnstone Point, AK.
Next low tide : in 3h 57m at 5:32 am (2.1 ft)
Next high tide : 12:02 pm (8.1 ft)
Sunset today : 9:18 pm
Sunrise tomorrow : 6:19 am
Moon phase : Waxing Gibbous (83% illuminated)
Tide Station Location : Station #9454319
Common Questions About Tides

Johnstone Point, AK Tides - Jan 1926

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri1:5410.61:0812.57:253.97:59-0.78:532:46Waning Gibbous1Fri
2Sat2:2610.51:4211.98:044.18:35-0.38:522:48Waning Gibbous2Sat
3Sun3:0010.32:1611.28:454.29:110.38:522:49Waning Gibbous3Sun
4Mon3:3610.12:5410.49:284.49:491.08:512:51Waning Gibbous4Mon
5Tue4:199.93:419.410:164.510:291.88:502:53Third Quarter5Tue
6Wed5:0710.04:508.511:114.411:142.78:492:54Third Quarter6Wed
7Thu6:0110.26:188.012:144.18:482:56Third Quarter7Thu
8Fri6:5310.77:398.112:063.51:263.48:472:58Third Quarter8Fri
9Sat7:4411.38:508.51:094.12:372.28:463:00Waning Crescent9Sat
10Sun8:3412.29:539.32:184.33:370.88:453:02Waning Crescent10Sun
11Mon9:2413.010:4910.13:224.24:27-0.78:443:04Waning Crescent11Mon
12Tue10:1313.811:4010.94:183.75:13-2.08:423:07New Moon12Tue
13Wed11:0314.55:083.15:57-2.98:413:09New Moon13Wed
14Thu12:2811.611:53 AM14.95:562.56:42-3.48:393:11New Moon14Thu
15Fri1:1312.112:4114.86:452.17:27-3.58:383:13Waxing Crescent15Fri
16Sat1:5612.41:2914.47:351.88:12-3.08:363:16Waxing Crescent16Sat
17Sun2:4012.42:1813.48:261.78:57-2.18:343:18Waxing Crescent17Sun
18Mon3:2612.33:1012.09:191.89:43-0.98:333:20Waxing Crescent18Mon
19Tue4:1612.04:1110.510:152.110:300.68:313:23First Quarter19Tue
20Wed5:1011.85:279.211:162.411:212.18:293:25First Quarter20Wed
21Thu6:0911.66:528.412:262.58:273:28First Quarter21Thu
22Fri7:0711.58:158.212:193.51:482.38:253:30Waxing Gibbous22Fri
23Sat8:0411.59:318.51:284.53:071.78:233:33Waxing Gibbous23Sat
24Sun8:5711.710:349.12:454.94:040.98:213:35Waxing Gibbous24Sun
25Mon9:4611.911:229.63:484.84:470.28:193:38Waxing Gibbous25Mon
26Tue10:3112.24:374.45:24-0.48:173:41Full Moon26Tue
27Wed12:0010.111:12 AM12.45:184.05:58-0.88:153:43Full Moon27Wed
28Thu12:3310.411:49 AM12.65:553.66:31-1.08:123:46Full Moon28Thu
29Fri1:0210.712:2412.66:323.27:03-1.18:103:48Full Moon29Fri
30Sat1:3010.912:5712.47:083.07:36-0.98:083:51Full Moon30Sat
31Sun1:5810.91:2912.07:442.88:08-0.68:053:54Waning Gibbous31Sun
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 8:47 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 83% 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 Waxing Gibbous (83% 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