Tides Today & Tomorrow in Petersburg, AK

TIDE TIMES for Wednesday, July 15, 2026
The tide is currently falling in Petersburg, AK.
Next low tide : in 2h 36m at 8:53 pm (1.5 ft)
Next high tide (tomorrow) : 2:54 am (18.6 ft)
Sunset today : 9:33 pm
Sunrise tomorrow : 4:22 am
Moon phase : New Moon (3% illuminated)
Tide Station Location : Station #9451439
Common Questions About Tides

Petersburg, AK Tides - Oct 2069

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue1:5418.22:0719.58:00-1.08:32-3.06:576:24Full Moon1Tue
2Wed2:3918.22:4719.78:40-0.69:16-3.26:596:22Waning Gibbous2Wed
3Thu3:2617.63:2919.49:230.210:03-2.77:016:19Waning Gibbous3Thu
4Fri4:1516.74:1518.410:071.410:53-1.77:036:16Waning Gibbous4Fri
5Sat5:0815.55:0517.110:572.711:50-0.57:056:14Third Quarter5Sat
6Sun6:0914.26:0615.611:574.07:076:11Third Quarter6Sun
7Mon7:2213.37:2214.312:570.81:145.07:096:08Third Quarter7Mon
8Tue8:4413.28:4913.72:141.62:475.17:126:06Third Quarter8Tue
9Wed9:5913.710:0813.93:311.94:104.37:146:03Waning Crescent9Wed
10Thu10:5614.611:1114.54:361.75:133.17:166:00Waning Crescent10Thu
11Fri11:4115.45:281.46:011.97:185:58Waning Crescent11Fri
12Sat12:0115.112:1916.26:111.26:400.97:205:55Waning Crescent12Sat
13Sun12:4315.512:5216.76:471.27:150.17:225:53New Moon13Sun
14Mon1:2115.81:2217.17:211.37:48-0.47:245:50New Moon14Mon
15Tue1:5615.91:5117.27:521.58:20-0.77:265:47New Moon15Tue
16Wed2:3015.82:2017.28:231.98:51-0.67:285:45New Moon16Wed
17Thu3:0315.42:5016.98:542.59:23-0.37:315:42Waxing Crescent17Thu
18Fri3:3714.93:2016.49:253.19:560.27:335:40Waxing Crescent18Fri
19Sat4:1314.23:5315.89:583.910:320.97:355:37Waxing Crescent19Sat
20Sun4:5213.54:2914.910:354.611:131.67:375:35Waxing Crescent20Sun
21Mon5:3912.75:1414.011:205.47:395:32First Quarter21Mon
22Tue6:3812.26:1413.212:042.412:216.07:415:30First Quarter22Tue
23Wed7:5012.27:3112.71:082.91:436.07:445:27First Quarter23Wed
24Thu9:0112.88:5512.92:213.03:075.27:465:25First Quarter24Thu
25Fri9:5914.010:0713.83:302.64:163.77:485:23Waxing Gibbous25Fri
26Sat10:4915.511:0814.94:292.05:111.87:505:20Waxing Gibbous26Sat
27Sun11:3317.05:201.35:59-0.17:525:18Waxing Gibbous27Sun
28Mon12:0116.112:1518.46:070.86:45-1.87:545:16Full Moon28Mon
29Tue12:5117.012:5719.56:510.47:30-3.17:575:13Full Moon29Tue
30Wed1:3917.71:4020.27:350.48:15-3.87:595:11Full Moon30Wed
31Thu2:2717.82:2420.38:190.69:00-3.98:015:09Waning Gibbous31Thu
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 11:53 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 3% 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 (3% 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