Tides Today & Tomorrow in Petersburg, AK

TIDE TIMES for Sunday, July 12, 2026
The tide is currently rising in Petersburg, AK.
Next low tide : 6:14 pm (3.7 ft)
Next high tide : in 2h 57m at 12:42 pm (13.6 ft)
Sunset today : 9:37 pm
Sunrise tomorrow : 4:17 am
Moon phase : New Moon (4% illuminated)
Tide Station Location : Station #9451439
Common Questions About Tides

Petersburg, AK Tides - Jun 1974

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat10:4813.210:3716.44:37-0.14:312.83:078:31Waxing Gibbous1Sat
2Sun11:4113.711:2216.75:26-1.05:212.93:068:33Waxing Gibbous2Sun
3Mon12:2814.16:09-1.56:053.03:058:34Full Moon3Mon
4Tue12:0316.81:1014.46:49-1.86:473.03:048:35Full Moon4Tue
5Wed12:4216.81:4814.47:27-1.97:263.13:038:36Full Moon5Wed
6Thu1:2016.62:2514.38:03-1.78:043.23:028:38Full Moon6Thu
7Fri1:5716.23:0214.18:39-1.38:423.43:018:39Waning Gibbous7Fri
8Sat2:3315.63:3813.89:14-0.89:223.73:018:40Waning Gibbous8Sat
9Sun3:1114.84:1513.59:50-0.110:043.93:008:41Waning Gibbous9Sun
10Mon3:5113.94:5413.210:270.710:524.13:008:42Waning Gibbous10Mon
11Tue4:3512.95:3713.111:061.511:484.22:598:43Third Quarter11Tue
12Wed5:2811.96:2513.111:512.42:598:44Third Quarter12Wed
13Thu6:3211.27:1613.412:514.012:423.12:588:44Third Quarter13Thu
14Fri7:4510.98:1013.91:593.41:413.72:588:45Third Quarter14Fri
15Sat8:5811.29:0414.73:032.32:444.02:588:46Waning Crescent15Sat
16Sun10:0411.99:5615.74:001.03:443.92:578:46Waning Crescent16Sun
17Mon11:0212.910:4616.74:51-0.44:403.62:578:47Waning Crescent17Mon
18Tue11:5413.911:3517.65:39-1.75:323.02:578:47New Moon18Tue
19Wed12:4214.86:25-2.96:222.42:578:48New Moon19Wed
20Thu12:2418.41:2915.67:10-3.77:101.92:588:48New Moon20Thu
21Fri1:1318.72:1416.17:55-4.18:001.52:588:48Waxing Crescent21Fri
22Sat2:0118.63:0016.48:41-4.08:501.32:588:48Waxing Crescent22Sat
23Sun2:5117.93:4616.59:26-3.39:431.32:588:49Waxing Crescent23Sun
24Mon3:4216.84:3416.310:13-2.310:411.52:598:49Waxing Crescent24Mon
25Tue4:3815.35:2416.011:02-0.911:441.72:598:49First Quarter25Tue
26Wed5:3913.76:1815.611:550.73:008:48First Quarter26Wed
27Thu6:5112.47:1715.312:531.812:532.13:008:48First Quarter27Thu
28Fri8:1111.78:1815.22:071.61:583.33:018:48Waxing Gibbous28Fri
29Sat9:2911.79:1815.23:181.13:054.03:028:48Waxing Gibbous29Sat
30Sun10:3712.110:1315.54:190.54:084.23:028:47Waxing Gibbous30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9451439)

Common Questions About Petersburg, AK Tides

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What time does the tide turn (slack tide) in Petersburg, AK today?

Slack tide in Petersburg, AK is approximately 3:28 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 Petersburg, AK?

Petersburg, AK is currently in a spring phase. Tonight's moon is 4% 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 Petersburg, 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 Petersburg, AK?

Tide predictions for Petersburg, 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 Petersburg, AK?

Tide data for Petersburg, AK is sourced from NOAA Station #9451439. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9451439.

What is the moon phase in Petersburg, AK tonight?

Tonight the moon over Petersburg, AK is New Moon (4% illuminated). This places Petersburg, 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