Tides Today & Tomorrow in Petersburg, AK

TIDE TIMES for Monday, July 13, 2026
The tide is currently rising in Petersburg, AK.
Next low tide : 7:13 am (-3.1 ft)
Next high tide : in 3h 56m at 12:18 am (17.8 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 - May 2067

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun2:4418.13:4415.39:24-2.69:272.25:028:34Waning Gibbous1Sun
2Mon3:2517.84:3014.810:08-2.310:122.75:008:37Waning Gibbous2Mon
3Tue4:1117.15:2214.210:56-1.711:053.34:588:39Waning Gibbous3Tue
4Wed5:0316.16:2013.711:51-0.84:568:41Third Quarter4Wed
5Thu6:0414.97:2613.512:083.912:520.14:538:43Third Quarter5Thu
6Fri7:1713.88:3613.81:244.02:010.94:518:45Third Quarter6Fri
7Sat8:4013.29:4014.62:473.43:101.34:498:47Third Quarter7Sat
8Sun9:5813.310:3615.54:022.34:141.54:478:49Waning Crescent8Sun
9Mon11:0613.811:2516.45:050.85:101.64:458:51Waning Crescent9Mon
10Tue12:0314.35:58-0.56:001.64:438:53Waning Crescent10Tue
11Wed12:0917.112:5414.86:44-1.66:451.74:408:55New Moon11Wed
12Thu12:5017.51:4015.17:27-2.37:272.04:388:57New Moon12Thu
13Fri1:3017.62:2215.28:07-2.58:062.34:368:59New Moon13Fri
14Sat2:0717.43:0215.08:46-2.48:452.74:359:01New Moon14Sat
15Sun2:4416.93:4114.69:24-1.99:233.14:339:03Waxing Crescent15Sun
16Mon3:2116.34:2014.010:03-1.210:023.74:319:05Waxing Crescent16Mon
17Tue3:5915.45:0113.410:42-0.410:434.24:299:07Waxing Crescent17Tue
18Wed4:3814.45:4412.811:230.511:304.74:279:09Waxing Crescent18Wed
19Thu5:2313.36:3212.412:091.44:259:11First Quarter19Thu
20Fri6:1612.37:2512.312:265.012:592.24:249:12First Quarter20Fri
21Sat7:2111.48:2212.51:355.01:552.84:229:14First Quarter21Sat
22Sun8:3511.19:1613.12:494.52:543.24:209:16First Quarter22Sun
23Mon9:4811.310:0513.93:553.63:503.34:199:18Waxing Gibbous23Mon
24Tue10:5011.910:5014.84:502.34:433.34:179:19Waxing Gibbous24Tue
25Wed11:4512.711:3315.95:380.95:313.14:169:21Waxing Gibbous25Wed
26Thu12:3413.66:21-0.46:172.84:149:23Waxing Gibbous26Thu
27Fri12:1616.81:2014.47:03-1.77:012.54:139:24Full Moon27Fri
28Sat12:5917.72:0515.07:45-2.77:452.24:119:26Full Moon28Sat
29Sun1:4318.22:5015.48:28-3.38:302.14:109:28Full Moon29Sun
30Mon2:2818.43:3515.69:12-3.59:172.04:099:29Waning Gibbous30Mon
31Tue3:1418.24:2215.59:58-3.310:072.14:089:31Waning 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 3:45 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 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