Tides Today & Tomorrow in Johnstone Point, AK

TIDE TIMES for Tuesday, June 30, 2026
The tide is currently rising in Johnstone Point, AK.
Next low tide : 8:41 am (-1.3 ft)
Next high tide : in 2h 28m at 1:44 am (11.7 ft)
Sunset today : 11:18 pm
Sunrise tomorrow : 4:21 am
Moon phase : Full Moon (100% illuminated)
Tide Station Location : Station #9454319
Common Questions About Tides

Johnstone Point, AK Tides - Sep 2005

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu12:2111.11:359.97:090.27:103.36:418:50New Moon1Thu
2Fri1:0111.62:0010.57:38-0.27:422.56:448:47New Moon2Fri
3Sat1:3811.92:2511.08:06-0.58:151.86:468:44New Moon3Sat
4Sun2:1212.02:4811.48:34-0.58:481.26:488:41New Moon4Sun
5Mon2:4511.93:1111.79:03-0.29:210.86:518:38Waxing Crescent5Mon
6Tue3:1711.53:3412.09:320.49:570.66:538:35Waxing Crescent6Tue
7Wed3:5011.03:5712.110:021.210:340.66:568:32Waxing Crescent7Wed
8Thu4:2510.34:2212.010:342.211:150.86:588:29Waxing Crescent8Thu
9Fri5:069.44:5311.711:093.27:008:26First Quarter9Fri
10Sat6:038.35:3511.312:031.211:50 AM4.37:038:23First Quarter10Sat
11Sun7:427.66:4410.71:021.712:455.37:058:20First Quarter11Sun
12Mon9:277.78:2710.62:161.92:055.97:088:16First Quarter12Mon
13Tue10:448.59:5611.13:441.63:425.77:108:13Waxing Gibbous13Tue
14Wed11:419.511:0611.95:040.65:074.57:128:10Waxing Gibbous14Wed
15Thu12:2710.76:01-0.56:082.97:158:07Waxing Gibbous15Thu
16Fri12:0612.71:0711.86:46-1.46:571.27:178:04Full Moon16Fri
17Sat1:0013.31:4512.87:27-1.87:43-0.27:208:01Full Moon17Sat
18Sun1:4913.52:2013.58:06-1.78:27-1.27:227:58Full Moon18Sun
19Mon2:3613.32:5413.98:44-1.19:10-1.67:247:55Waning Gibbous19Mon
20Tue3:2012.73:2813.99:22-0.19:54-1.57:277:52Waning Gibbous20Tue
21Wed4:0411.84:0013.410:001.210:38-1.07:297:49Waning Gibbous21Wed
22Thu4:5010.64:3312.710:402.611:240.07:327:45Waning Gibbous22Thu
23Fri5:429.45:0911.611:214.07:347:42Third Quarter23Fri
24Sat6:548.35:5710.512:141.112:095.37:367:39Third Quarter24Sat
25Sun8:337.87:209.61:132.21:096.37:397:36Third Quarter25Sun
26Mon10:068.08:599.32:292.92:366.77:417:33Third Quarter26Mon
27Tue11:108.610:159.64:102.94:336.27:447:30Waning Crescent27Tue
28Wed11:519.311:1210.15:212.35:375.17:467:27Waning Crescent28Wed
29Thu12:219.96:021.76:163.87:487:24Waning Crescent29Thu
30Fri12:4810.66:331.16:482.77:517:21Waning Crescent30Fri
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 5:12 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 100% 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 (100% 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