Tides Today & Tomorrow in Johnstone Point, AK

TIDE TIMES for Friday, July 31, 2026
The tide is currently falling in Johnstone Point, AK.
Next low tide : in 3h 43m at 9:31 pm (2.0 ft)
Next high tide (tomorrow) : 3:19 am (11.7 ft)
Sunset today : 10:22 pm
Sunrise tomorrow : 5:23 am
Moon phase : Waning Gibbous (95% illuminated)
Tide Station Location : Station #9454319
Common Questions About Tides

Johnstone Point, AK Tides - May 1969

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu12:4910.86:37-1.96:371.14:408:46Full Moon1Thu
2Fri12:3313.41:3510.97:17-2.87:161.54:378:49Full Moon2Fri
3Sat1:1013.82:2210.78:00-3.27:582.04:348:51Waning Gibbous3Sat
4Sun1:4913.83:1010.38:46-3.18:432.64:328:54Waning Gibbous4Sun
5Mon2:3113.44:049.69:35-2.69:333.24:298:56Waning Gibbous5Mon
6Tue3:1712.65:089.010:28-1.910:293.84:268:59Waning Gibbous6Tue
7Wed4:1411.56:258.811:26-0.911:344.24:239:01Third Quarter7Wed
8Thu5:3110.27:389.012:29-0.14:219:04Third Quarter8Thu
9Fri7:069.48:399.612:514.31:370.64:189:06Third Quarter9Fri
10Sat8:289.19:2910.32:183.72:461.04:169:09Waning Crescent10Sat
11Sun9:389.210:1311.13:402.43:481.24:139:11Waning Crescent11Sun
12Mon10:389.310:5111.74:401.04:381.34:119:14Waning Crescent12Mon
13Tue11:329.511:2512.15:25-0.25:201.64:089:16Waning Crescent13Tue
14Wed12:209.76:04-1.15:582.04:069:19New Moon14Wed
15Thu1:049.86:40-1.66:342.44:039:21New Moon15Thu
16Fri12:3012.41:439.77:16-1.87:102.84:019:24New Moon16Fri
17Sat1:0112.32:209.67:51-1.87:473.33:599:26New Moon17Sat
18Sun1:3312.12:569.38:28-1.48:243.73:569:28Waxing Crescent18Sun
19Mon2:0511.73:348.89:07-1.09:024.13:549:31Waxing Crescent19Mon
20Tue2:3911.14:158.49:47-0.49:444.53:529:33Waxing Crescent20Tue
21Wed3:1510.55:078.010:290.110:304.83:509:35Waxing Crescent21Wed
22Thu3:579.66:087.811:150.711:254.93:479:38First Quarter22Thu
23Fri4:538.87:088.012:031.13:459:40First Quarter23Fri
24Sat6:168.17:588.612:284.812:551.63:439:42First Quarter24Sat
25Sun7:397.98:419.31:394.31:511.93:419:44First Quarter25Sun
26Mon8:488.19:2010.32:513.32:492.23:399:46Waxing Gibbous26Mon
27Tue9:508.59:5811.23:541.83:442.33:389:49Waxing Gibbous27Tue
28Wed10:489.010:3712.24:450.24:352.33:369:51Waxing Gibbous28Wed
29Thu11:449.511:1813.05:31-1.35:232.43:349:53Waxing Gibbous29Thu
30Fri12:3710.06:15-2.56:092.43:329:55Full Moon30Fri
31Sat12:0213.61:2910.37:00-3.36:552.43:319:56Full Moon31Sat
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 12:25 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 95% 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 Waning Gibbous (95% 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