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 5h 31m 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 - Aug 2066

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun10:2311.59:5915.73:581.13:484.94:539:02Waxing Gibbous1Sun
2Mon11:3412.711:0816.65:09-0.15:054.24:559:00Waxing Gibbous2Mon
3Tue12:3014.16:07-1.56:093.04:578:58Waxing Gibbous3Tue
4Wed12:0917.71:1715.46:58-2.67:031.74:598:56Full Moon4Wed
5Thu1:0318.52:0116.57:43-3.37:520.65:018:54Full Moon5Thu
6Fri1:5218.82:4117.38:25-3.58:39-0.35:038:52Full Moon6Fri
7Sat2:3918.63:2017.79:05-3.19:24-0.65:058:49Waning Gibbous7Sat
8Sun3:2417.93:5817.79:43-2.210:09-0.65:078:47Waning Gibbous8Sun
9Mon4:0816.64:3617.210:21-0.910:55-0.15:098:45Waning Gibbous9Mon
10Tue4:5215.15:1416.310:590.711:430.85:118:42Waning Gibbous10Tue
11Wed5:4013.55:5515.311:382.45:138:40Third Quarter11Wed
12Thu6:3411.96:4214.212:371.712:224.15:158:38Third Quarter12Thu
13Fri7:4510.77:4313.31:412.61:185.55:178:35Third Quarter13Fri
14Sat9:1710.29:0012.92:593.02:406.35:198:33Third Quarter14Sat
15Sun10:4410.710:1613.24:172.74:116.35:218:30Waning Crescent15Sun
16Mon11:4411.511:1613.95:202.05:195.65:238:28Waning Crescent16Mon
17Tue12:2512.56:071.26:084.75:258:25Waning Crescent17Tue
18Wed12:0314.812:5913.56:450.36:473.65:278:23Waning Crescent18Wed
19Thu12:4315.51:3014.47:18-0.47:232.75:298:20New Moon19Thu
20Fri1:2016.11:5915.27:49-0.97:561.85:318:18New Moon20Fri
21Sat1:5416.52:2715.98:18-1.28:291.05:338:15New Moon21Sat
22Sun2:2916.62:5516.58:47-1.19:020.45:358:13New Moon22Sun
23Mon3:0316.33:2416.89:17-0.79:370.15:378:10Waxing Crescent23Mon
24Tue3:4015.83:5516.99:480.110:150.15:398:08Waxing Crescent24Tue
25Wed4:1915.04:2916.710:211.110:580.45:418:05Waxing Crescent25Wed
26Thu5:0413.85:0816.310:592.311:490.95:448:02First Quarter26Thu
27Fri5:5912.65:5715.611:453.65:468:00First Quarter27Fri
28Sat7:1111.57:0214.912:541.512:464.85:487:57First Quarter28Sat
29Sun8:4611.28:2614.62:151.82:125.55:507:55First Quarter29Sun
30Mon10:1512.09:5215.13:431.33:475.25:527:52Waxing Gibbous30Mon
31Tue11:2113.311:0416.14:550.35:043.95:547:49Waxing Gibbous31Tue
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