Tides Today & Tomorrow in Petersburg, AK

TIDE TIMES for Friday, July 24, 2026
The tide is currently rising in Petersburg, AK.
Next low tide : 4:43 am (2.2 ft)
Next high tide (tomorrow) : in 32m at 9:20 pm (13.5 ft)
Sunset today : 9:21 pm
Sunrise tomorrow : 4:35 am
Moon phase : Waxing Gibbous (72% illuminated)
Tide Station Location : Station #9451439
Common Questions About Tides

Petersburg, AK Tides - Jun 1964

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon3:0913.74:3712.310:000.910:205.32:077:32Third Quarter1Mon
2Tue4:0412.95:3412.410:531.411:305.12:057:33Third Quarter2Tue
3Wed5:1112.36:3312.911:531.82:047:34Third Quarter3Wed
4Thu6:2812.17:2813.812:464.312:552.02:047:36Third Quarter4Thu
5Fri7:4312.48:1915.01:542.91:551.92:037:37Waning Crescent5Fri
6Sat8:5013.29:0616.32:531.22:511.82:027:38Waning Crescent6Sat
7Sun9:4914.19:5317.53:46-0.63:431.62:017:39Waning Crescent7Sun
8Mon10:4515.010:3918.54:35-2.34:331.52:007:40New Moon8Mon
9Tue11:3715.711:2619.15:23-3.55:221.42:007:41New Moon9Tue
10Wed12:2716.16:10-4.36:101.51:597:42New Moon10Wed
11Thu12:1319.31:1716.16:58-4.56:591.81:597:43Waxing Crescent11Thu
12Fri1:0218.92:0715.97:46-4.17:502.21:587:44Waxing Crescent12Fri
13Sat1:5118.02:5815.48:35-3.38:442.71:587:45Waxing Crescent13Sat
14Sun2:4416.73:5214.99:27-2.19:443.31:587:45Waxing Crescent14Sun
15Mon3:4015.24:4814.410:21-0.810:523.71:587:46First Quarter15Mon
16Tue4:4313.75:4814.111:190.51:577:47First Quarter16Tue
17Wed5:5512.56:4814.012:063.612:191.61:577:47First Quarter17Wed
18Thu7:1211.87:4314.21:213.21:202.51:577:48Waxing Gibbous18Thu
19Fri8:2311.78:3314.62:262.42:173.01:577:48Waxing Gibbous19Fri
20Sat9:2412.09:1615.03:201.53:093.41:587:48Waxing Gibbous20Sat
21Sun10:1612.59:5615.44:060.63:553.61:587:48Waxing Gibbous21Sun
22Mon11:0012.910:3315.74:46-0.14:363.61:587:49Waxing Gibbous22Mon
23Tue11:4013.411:0916.05:22-0.65:153.61:587:49Full Moon23Tue
24Wed12:1713.75:57-1.05:523.61:597:49Full Moon24Wed
25Thu12:5313.96:31-1.26:283.61:597:49Full Moon25Thu
26Fri12:2016.11:2913.97:05-1.37:043.62:007:48Full Moon26Fri
27Sat12:5616.02:0413.97:40-1.27:413.72:017:48Waning Gibbous27Sat
28Sun1:3215.72:4113.78:15-0.98:213.92:017:48Waning Gibbous28Sun
29Mon2:1015.13:1913.68:51-0.59:054.02:027:48Waning Gibbous29Mon
30Tue2:5314.44:0113.59:310.09:564.02:037:47Waning Gibbous30Tue
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 1:01 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 transitional phase. Tonight's moon is 72% 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 shifting between spring and neap.

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 Waxing Gibbous (72% illuminated). This places Petersburg, AK in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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