Tides Today & Tomorrow in Petersburg, AK

TIDE TIMES for Sunday, June 21, 2026
The tide is currently rising in Petersburg, AK.
Next low tide (tomorrow) : 2:00 am (2.8 ft)
Next high tide : in 2h 08m at 7:30 pm (14.6 ft)
Sunset today : 9:48 pm
Sunrise tomorrow : 3:58 am
Moon phase : First Quarter (49% illuminated)
Tide Station Location : Station #9451439
Common Questions About Tides

Petersburg, AK Tides - Jul 2006

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat5:1513.46:1013.411:490.94:049:47First Quarter1Sat
2Sun6:0112.36:5013.312:164.112:271.94:059:46First Quarter2Sun
3Mon6:5611.27:3413.31:124.01:103.04:069:46First Quarter3Mon
4Tue8:0310.58:2213.42:153.81:594.04:079:45First Quarter4Tue
5Wed9:2110.29:1513.83:223.22:584.74:089:44Waxing Gibbous5Wed
6Thu10:3610.610:0914.34:252.34:015.14:099:43Waxing Gibbous6Thu
7Fri11:4011.311:0315.15:211.35:035.14:109:43Waxing Gibbous7Fri
8Sat12:3412.36:110.15:584.84:119:42Waxing Gibbous8Sat
9Sun1:2113.26:57-1.16:484.24:139:41Full Moon9Sun
10Mon12:4416.92:0514.17:40-2.17:363.44:149:40Full Moon10Mon
11Tue1:3217.72:4614.88:22-2.98:222.74:159:38Full Moon11Tue
12Wed2:1818.13:2715.49:04-3.49:082.14:179:37Waning Gibbous12Wed
13Thu3:0518.14:0815.99:46-3.49:571.64:189:36Waning Gibbous13Thu
14Fri3:5217.64:5016.110:27-2.810:481.44:209:35Waning Gibbous14Fri
15Sat4:4216.55:3416.211:10-1.811:431.34:219:33Waning Gibbous15Sat
16Sun5:3515.06:2016.011:55-0.44:239:32Third Quarter16Sun
17Mon6:3513.47:1015.812:431.412:441.34:259:31Third Quarter17Mon
18Tue7:4612.18:0815.41:511.41:402.94:269:29Third Quarter18Tue
19Wed9:1011.39:1115.33:051.22:464.24:289:27Waning Crescent19Wed
20Thu10:3511.410:1815.34:180.74:025.04:309:26Waning Crescent20Thu
21Fri11:4712.011:2015.65:230.15:145.14:319:24Waning Crescent21Fri
22Sat12:4412.86:19-0.66:144.74:339:23Waning Crescent22Sat
23Sun12:1516.01:3013.67:07-1.27:054.24:359:21New Moon23Sun
24Mon1:0316.32:1014.17:48-1.67:483.64:379:19New Moon24Mon
25Tue1:4516.52:4514.58:26-1.78:273.14:389:17New Moon25Tue
26Wed2:2416.53:1714.79:00-1.79:032.84:409:15New Moon26Wed
27Thu2:5916.23:4714.89:32-1.49:382.54:429:13Waxing Crescent27Thu
28Fri3:3415.74:1714.810:03-0.910:142.54:449:12Waxing Crescent28Fri
29Sat4:0814.94:4614.710:32-0.110:502.64:469:10Waxing Crescent29Sat
30Sun4:4313.95:1514.511:020.911:302.84:489:08Waxing Crescent30Sun
31Mon5:2212.85:4814.211:332.14:509:05First Quarter31Mon
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 10:45 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 49% 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 First Quarter (49% 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