Tides Today & Tomorrow in Petersburg, AK

TIDE TIMES for Tuesday, July 7, 2026
The tide is currently falling in Petersburg, AK.
Next low tide : in 5h 21m at 12:45 pm (2.1 ft)
Next high tide : 7:14 pm (14.6 ft)
Sunset today : 9:42 pm
Sunrise tomorrow : 4:10 am
Moon phase : Third Quarter (50% illuminated)
Tide Station Location : Station #9451439
Common Questions About Tides

Petersburg, AK Tides - Feb 1982

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon4:5915.55:3712.411:412.611:323.76:493:21First Quarter1Mon
2Tue6:0115.57:0512.012:592.16:473:23First Quarter2Tue
3Wed7:1215.78:3212.512:464.62:171.26:453:25Waxing Gibbous3Wed
4Thu8:2416.49:4313.62:084.83:24-0.16:433:28Waxing Gibbous4Thu
5Fri9:2917.310:4114.83:214.44:21-1.46:413:30Waxing Gibbous5Fri
6Sat10:2618.211:2916.04:223.55:11-2.46:393:32Full Moon6Sat
7Sun11:1718.95:152.55:56-3.16:373:34Full Moon7Sun
8Mon12:1316.812:0419.26:031.76:38-3.26:343:37Full Moon8Mon
9Tue12:5417.312:4918.96:481.17:18-2.96:323:39Full Moon9Tue
10Wed1:3217.51:3118.27:310.97:56-2.16:303:41Waning Gibbous10Wed
11Thu2:0917.32:1217.08:131.18:33-0.96:283:43Waning Gibbous11Thu
12Fri2:4616.82:5415.58:561.59:090.66:253:46Waning Gibbous12Fri
13Sat3:2216.03:3813.99:412.29:472.26:233:48Third Quarter13Sat
14Sun4:0015.24:2812.410:312.910:283.76:213:50Third Quarter14Sun
15Mon4:4314.35:3311.111:323.611:205.16:183:53Third Quarter15Mon
16Tue5:3613.67:0110.512:483.86:163:55Third Quarter16Tue
17Wed6:4413.28:3310.812:306.12:083.56:143:57Third Quarter17Wed
18Thu7:5813.49:3911.61:556.43:142.76:113:59Waning Crescent18Thu
19Fri9:0114.110:2612.73:076.04:041.76:094:02Waning Crescent19Fri
20Sat9:5315.011:0313.74:005.24:440.76:064:04Waning Crescent20Sat
21Sun10:3616.011:3714.64:444.25:20-0.26:044:06Waning Crescent21Sun
22Mon11:1516.85:223.25:52-1.06:014:08New Moon22Mon
23Tue12:0815.511:52 AM17.45:582.36:24-1.65:594:11New Moon23Tue
24Wed12:3916.212:2917.76:331.46:56-1.75:564:13New Moon24Wed
25Thu1:1016.81:0717.67:100.87:28-1.55:544:15Waxing Crescent25Thu
26Fri1:4217.11:4617.17:480.48:02-0.95:514:17Waxing Crescent26Fri
27Sat2:1617.22:2816.28:290.38:380.15:494:19Waxing Crescent27Sat
28Sun2:5217.03:1515.09:150.59:181.45:464:22Waxing Crescent28Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9451439)

Common Questions About Petersburg, AK Tides

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

Slack tide in Petersburg, AK is approximately 3:59 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 neap phase. Tonight's moon is 50% 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 minimum.

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 Third Quarter (50% illuminated). This places Petersburg, AK in a neap tide cycle, so tidal ranges are near their weekly minimum 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