Tides Today & Tomorrow in Petersburg, AK

TIDE TIMES for Friday, July 3, 2026
The tide is currently rising in Petersburg, AK.
Next low tide : 10:23 pm (3.4 ft)
Next high tide : in 1h 36m at 4:38 pm (14.0 ft)
Sunset today : 9:46 pm
Sunrise tomorrow : 4:06 am
Moon phase : Waning Gibbous (87% illuminated)
Tide Station Location : Station #9451439
Common Questions About Tides

Petersburg, AK Tides - Jul 1988

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri2:3018.23:4115.39:17-3.59:212.34:049:47Waning Gibbous1Fri
2Sat3:1718.04:2515.610:00-3.310:112.04:059:46Waning Gibbous2Sat
3Sun4:0617.35:0915.810:44-2.711:051.84:069:45Waning Gibbous3Sun
4Mon4:5816.25:5515.811:29-1.64:079:45Third Quarter4Mon
5Tue5:5414.76:4415.712:031.812:17-0.24:089:44Third Quarter5Tue
6Wed6:5813.17:3715.51:081.71:081.34:099:43Third Quarter6Wed
7Thu8:1211.98:3515.42:181.52:072.84:109:42Third Quarter7Thu
8Fri9:3411.49:3615.43:301.13:134.04:129:41Waning Crescent8Fri
9Sat10:5411.610:3715.54:390.54:234.74:139:40Waning Crescent9Sat
10Sun12:0112.25:39-0.25:294.84:149:39Waning Crescent10Sun
11Mon12:5612.96:31-0.86:254.64:169:38Waning Crescent11Mon
12Tue12:2516.01:4113.57:17-1.37:134.24:179:37New Moon12Tue
13Wed1:1116.32:2013.97:58-1.67:563.84:199:36New Moon13Wed
14Thu1:5316.42:5614.28:36-1.78:353.44:209:34New Moon14Thu
15Fri2:3116.33:2914.49:11-1.69:113.24:229:33New Moon15Fri
16Sat3:0716.04:0014.49:43-1.39:483.04:239:31Waxing Crescent16Sat
17Sun3:4215.44:3014.410:15-0.810:243.04:259:30Waxing Crescent17Sun
18Mon4:1714.65:0114.310:45-0.111:033.04:279:28Waxing Crescent18Mon
19Tue4:5413.65:3314.211:160.911:453.24:289:27Waxing Crescent19Tue
20Wed5:3512.56:0714.011:492.04:309:25First Quarter20Wed
21Thu6:2411.46:4713.812:333.312:263.24:329:24First Quarter21Thu
22Fri7:2710.57:3613.71:313.31:134.44:349:22First Quarter22Fri
23Sat8:4910.18:3613.92:413.12:155.34:359:20First Quarter23Sat
24Sun10:1710.49:4314.33:562.43:325.74:379:18Waxing Gibbous24Sun
25Mon11:3011.310:4915.25:041.34:475.54:399:17Waxing Gibbous25Mon
26Tue12:2612.56:00-0.15:514.74:419:15Waxing Gibbous26Tue
27Wed1:1313.76:49-1.56:453.64:439:13Full Moon27Wed
28Thu12:4217.51:5614.97:34-2.77:342.54:459:11Full Moon28Thu
29Fri1:3218.42:3715.98:16-3.58:221.44:479:09Full Moon29Fri
30Sat2:2018.83:1716.78:58-3.89:090.54:499:07Waning Gibbous30Sat
31Sun3:0718.63:5617.39:38-3.59:570.04:519:05Waning Gibbous31Sun
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 7:30 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 87% 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 Waning Gibbous (87% 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