Tides Today & Tomorrow in Johnstone Point, AK

TIDE TIMES for Saturday, August 8, 2026
The tide is currently rising in Johnstone Point, AK.
Next low tide : 3:45 pm (5.1 ft)
Next high tide : in 1h 38m at 10:49 am (7.8 ft)
Sunset today : 10:01 pm
Sunrise tomorrow : 5:42 am
Moon phase : Waning Crescent (20% illuminated)
Tide Station Location : Station #9454319
Common Questions About Tides

Johnstone Point, AK Tides - Jun 1954

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue12:4510.66:12-3.76:112.02:308:58New Moon1Tue
2Wed12:0913.91:3410.76:58-3.77:002.22:288:59Waxing Crescent2Wed
3Thu12:5713.52:2010.57:45-3.37:492.42:279:01Waxing Crescent3Thu
4Fri1:4412.73:0710.28:31-2.68:402.62:259:03Waxing Crescent4Fri
5Sat2:3111.63:569.99:17-1.69:332.92:249:04Waxing Crescent5Sat
6Sun3:2210.44:489.610:02-0.510:293.22:239:06First Quarter6Sun
7Mon4:219.15:419.510:490.611:293.32:229:07First Quarter7Mon
8Tue5:338.16:329.611:371.72:219:09First Quarter8Tue
9Wed6:467.57:189.812:373.112:282.72:209:10First Quarter9Wed
10Thu7:557.48:0110.11:512.61:263.42:199:11Waxing Gibbous10Thu
11Fri8:587.58:4110.52:581.92:273.92:189:13Waxing Gibbous11Fri
12Sat9:547.89:2110.93:481.03:224.02:189:14Waxing Gibbous12Sat
13Sun10:458.310:0111.34:290.24:093.92:179:15Waxing Gibbous13Sun
14Mon11:308.710:4111.75:06-0.54:513.82:169:16Full Moon14Mon
15Tue12:119.15:42-1.15:313.62:169:17Full Moon15Tue
16Wed12:509.46:18-1.66:103.42:169:17Full Moon16Wed
17Thu1:269.66:55-1.96:503.22:169:18Full Moon17Thu
18Fri12:3812.12:029.87:32-2.07:323.02:159:18Waning Gibbous18Fri
19Sat1:1611.92:399.98:11-2.08:162.82:159:19Waning Gibbous19Sat
20Sun1:5511.53:1710.08:50-1.79:032.72:159:19Waning Gibbous20Sun
21Mon2:3910.83:5910.19:31-1.19:552.52:169:20Waning Gibbous21Mon
22Tue3:319.94:4710.410:14-0.310:522.22:169:20Third Quarter22Tue
23Wed4:408.95:4010.711:020.711:561.82:169:20Third Quarter23Wed
24Thu6:048.16:3511.211:551.82:179:20Third Quarter24Thu
25Fri7:267.97:3011.81:071.212:572.72:179:20Waning Crescent25Fri
26Sat8:438.28:2612.32:210.32:073.32:189:19Waning Crescent26Sat
27Sun9:538.79:2112.83:28-0.93:163.42:199:19Waning Crescent27Sun
28Mon10:569.310:1613.24:25-1.94:173.12:199:19New Moon28Mon
29Tue11:509.911:0913.45:15-2.75:102.72:209:18New Moon29Tue
30Wed12:3910.46:01-3.16:002.32:219:18New Moon30Wed
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 1:17 pm — 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 20% 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 Crescent (20% 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