Tides Today & Tomorrow in Petersburg, AK

TIDE TIMES for Tuesday, June 9, 2026
The tide is currently falling in Petersburg, AK.
Next low tide : in 1h 31m at 2:39 am (3.5 ft)
Next high tide : 8:23 am (11.6 ft)
Sunset today : 9:41 pm
Sunrise tomorrow : 4:00 am
Moon phase : Third Quarter (35% illuminated)
Tide Station Location : Station #9451439
Common Questions About Tides

Petersburg, AK Tides - May 2018

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue2:2917.53:1415.69:00-1.99:041.65:038:34Full Moon1Tue
2Wed3:0217.13:5214.99:36-1.59:392.45:008:36Waning Gibbous2Wed
3Thu3:3416.44:3014.110:12-0.810:153.34:588:38Waning Gibbous3Thu
4Fri4:0815.55:1213.210:500.110:544.34:568:40Waning Gibbous4Fri
5Sat4:4614.45:5912.311:321.011:405.14:548:42Waning Gibbous5Sat
6Sun5:3013.46:5711.712:232.04:518:45Third Quarter6Sun
7Mon6:2612.48:0611.512:405.71:242.74:498:47Third Quarter7Mon
8Tue7:3811.79:1511.81:595.92:342.94:478:49Third Quarter8Tue
9Wed8:5811.610:1112.73:205.33:402.84:458:51Third Quarter9Wed
10Thu10:0912.210:5613.74:264.24:352.34:438:53Waning Crescent10Thu
11Fri11:0613.011:3614.95:172.75:211.84:418:55Waning Crescent11Fri
12Sat11:5614.06:001.16:031.34:398:57Waning Crescent12Sat
13Sun12:1316.112:4314.96:41-0.46:431.04:378:59New Moon13Sun
14Mon12:5017.11:2715.77:21-1.87:230.84:359:01New Moon14Mon
15Tue1:2818.02:1216.18:02-2.88:030.84:339:03New Moon15Tue
16Wed2:0718.52:5716.38:43-3.48:451.14:319:05New Moon16Wed
17Thu2:4818.63:4416.09:27-3.59:301.64:299:06Waxing Crescent17Thu
18Fri3:3218.24:3315.510:14-3.210:182.34:279:08Waxing Crescent18Fri
19Sat4:2017.45:2714.911:05-2.411:133.14:259:10Waxing Crescent19Sat
20Sun5:1416.26:2714.212:02-1.34:249:12First Quarter20Sun
21Mon6:1814.87:3513.912:193.81:05-0.34:229:14First Quarter21Mon
22Tue7:3313.78:4414.11:374.02:130.64:209:16First Quarter22Tue
23Wed8:5513.19:4914.63:013.63:221.04:199:17First Quarter23Wed
24Thu10:1113.210:4415.34:152.54:241.34:179:19Waxing Gibbous24Thu
25Fri11:1613.611:3116.05:161.35:181.44:169:21Waxing Gibbous25Fri
26Sat12:1114.06:060.16:061.54:149:23Waxing Gibbous26Sat
27Sun12:1316.612:5914.46:49-0.96:481.74:139:24Full Moon27Sun
28Mon12:5116.91:4214.77:29-1.57:281.94:129:26Full Moon28Mon
29Tue1:2717.02:2114.88:05-1.88:052.34:109:27Full Moon29Tue
30Wed2:0116.92:5914.78:41-1.88:412.74:099:29Full Moon30Wed
31Thu2:3516.63:3614.49:16-1.59:173.14:089:30Waning Gibbous31Thu
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 5:31 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 35% 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 Third Quarter (35% 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