Tides Today & Tomorrow in Johnstone Point, AK

TIDE TIMES for Tuesday, June 30, 2026
The tide is currently falling in Johnstone Point, AK.
Next low tide : in 3h 19m at 8:41 am (-1.3 ft)
Next high tide : 3:16 pm (9.3 ft)
Sunset today : 11:17 pm
Sunrise tomorrow : 4:22 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #9454319
Common Questions About Tides

Johnstone Point, AK Tides - Dec 2043

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue1:1710.312:2412.96:374.37:22-0.79:253:45New Moon1Tue
2Wed1:5310.312:5712.97:134.57:57-0.79:273:43New Moon2Wed
3Thu2:2810.31:3012.77:494.78:33-0.59:293:42Waxing Crescent3Thu
4Fri3:0410.12:0312.48:274.99:11-0.29:313:41Waxing Crescent4Fri
5Sat3:429.82:3711.99:075.19:500.19:333:40Waxing Crescent5Sat
6Sun4:249.53:1411.29:515.310:320.69:353:39Waxing Crescent6Sun
7Mon5:139.43:5910.410:415.411:151.19:373:38First Quarter7Mon
8Tue6:089.55:019.511:395.39:383:37First Quarter8Tue
9Wed7:0110.06:328.812:031.712:444.89:403:37First Quarter9Wed
10Thu7:5010.77:598.612:552.31:563.99:413:36First Quarter10Thu
11Fri8:3511.69:138.91:532.93:072.59:433:36Waxing Gibbous11Fri
12Sat9:1912.610:209.52:553.44:100.99:443:35Waxing Gibbous12Sat
13Sun10:0413.611:2210.13:573.75:04-0.79:463:35Waxing Gibbous13Sun
14Mon10:5114.44:533.75:52-2.09:473:35Full Moon14Mon
15Tue12:1910.711:39 AM14.95:453.66:40-2.99:483:35Full Moon15Tue
16Wed1:1311.212:2915.26:343.47:27-3.39:493:34Full Moon16Wed
17Thu2:0311.51:1915.17:243.38:14-3.39:503:35Full Moon17Thu
18Fri2:5111.52:0814.68:143.39:01-2.89:513:35Waning Gibbous18Fri
19Sat3:3811.42:5813.69:073.49:49-1.99:513:35Waning Gibbous19Sat
20Sun4:2711.23:4912.310:013.610:36-0.99:523:35Waning Gibbous20Sun
21Mon5:1911.04:4710.810:583.811:230.49:533:36Third Quarter21Mon
22Tue6:1410.85:579.512:003.99:533:36Third Quarter22Tue
23Wed7:0810.97:188.512:111.71:093.89:533:37Third Quarter23Wed
24Thu7:5811.08:368.11:023.02:273.49:543:38Third Quarter24Thu
25Fri8:4411.29:498.11:594.13:442.69:543:38Waning Crescent25Fri
26Sat9:2711.410:548.53:034.94:411.79:543:39Waning Crescent26Sat
27Sun10:0911.711:498.94:065.35:240.99:543:40Waning Crescent27Sun
28Mon10:4912.04:585.36:010.39:543:41Waning Crescent28Mon
29Tue12:349.411:29 AM12.35:425.26:36-0.29:533:43New Moon29Tue
30Wed1:129.812:0912.56:214.97:10-0.69:533:44New Moon30Wed
31Thu1:4610.112:4612.76:594.77:43-0.99:533:45New Moon31Thu
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 11:58 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 99% 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 Full Moon (99% 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