Tides Today & Tomorrow in Port Chatham, AK

TIDE TIMES for Saturday, July 25, 2026
The tide is currently rising in Port Chatham, AK.
Next low tide : 6:25 am (2.2 ft)
Next high tide (tomorrow) : in 10m at 11:12 pm (11.5 ft)
Sunset today : 10:50 pm
Sunrise tomorrow : 5:36 am
Moon phase : Waxing Gibbous (80% illuminated)
Tide Station Location : Station #9455428
Common Questions About Tides

Port Chatham, AK Tides - Aug 2076

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat3:2814.34:2113.69:46-1.69:562.45:5610:30New Moon1Sat
2Sun4:0314.24:5113.610:17-1.310:312.35:5810:27Waxing Crescent2Sun
3Mon4:3713.85:2013.510:49-0.711:062.56:0010:25Waxing Crescent3Mon
4Tue5:1313.25:5013.211:200.211:432.76:0310:22Waxing Crescent4Tue
5Wed5:5112.36:2112.911:541.46:0510:20Waxing Crescent5Wed
6Thu6:3511.46:5712.612:253.012:312.76:0710:17First Quarter6Thu
7Fri7:2910.47:4112.31:143.41:154.16:1010:15First Quarter7Fri
8Sat8:419.88:3712.22:143.52:135.46:1210:12First Quarter8Sat
9Sun10:119.79:4712.33:293.23:296.16:1410:09Waxing Gibbous9Sun
10Mon11:3510.411:0013.04:482.24:506.06:1610:07Waxing Gibbous10Mon
11Tue12:4011.65:560.66:005.06:1910:04Waxing Gibbous11Tue
12Wed12:0614.11:3313.06:52-1.26:583.56:2110:02Waxing Gibbous12Wed
13Thu1:0615.22:1914.37:41-2.87:501.96:239:59Full Moon13Thu
14Fri1:5916.33:0215.38:26-4.18:380.46:269:56Full Moon14Fri
15Sat2:5017.03:4416.19:09-4.79:24-0.76:289:53Full Moon15Sat
16Sun3:3817.24:2416.49:51-4.610:10-1.36:309:51Waning Gibbous16Sun
17Mon4:2616.75:0416.310:33-3.710:56-1.36:339:48Waning Gibbous17Mon
18Tue5:1315.75:4415.811:15-2.111:45-0.76:359:45Waning Gibbous18Tue
19Wed6:0314.36:2614.911:590.06:379:42Third Quarter19Wed
20Thu6:5812.77:1213.812:370.412:452.26:399:40Third Quarter20Thu
21Fri8:0311.28:0512.71:351.61:394.46:429:37Third Quarter21Fri
22Sat9:2610.29:1211.92:462.62:476.16:449:34Third Quarter22Sat
23Sun11:0410.110:3311.54:133.04:146.96:469:31Waning Crescent23Sun
24Mon12:2110.75:352.65:396.66:499:28Waning Crescent24Mon
25Tue1:1411.56:331.86:375.76:519:25Waning Crescent25Tue
26Wed12:4212.41:5212.37:161.07:194.66:539:23Waning Crescent26Wed
27Thu1:2613.22:2413.07:500.17:553.56:569:20New Moon27Thu
28Fri2:0313.82:5213.68:21-0.68:282.56:589:17New Moon28Fri
29Sat2:3714.43:1914.18:50-1.09:001.67:009:14New Moon29Sat
30Sun3:1014.73:4614.49:18-1.29:311.07:029:11New Moon30Sun
31Mon3:4314.74:1214.59:47-1.010:030.77:059:08Waxing Crescent31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9455428)

Common Questions About Port Chatham, AK Tides

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What time does the tide turn (slack tide) in Port Chatham, AK today?

Slack tide in Port Chatham, AK is approximately 2:48 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 Port Chatham, AK?

Port Chatham, AK is currently in a spring phase. Tonight's moon is 80% 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 Port Chatham, 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 Port Chatham, AK?

Tide predictions for Port Chatham, 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 Port Chatham, AK?

Tide data for Port Chatham, AK is sourced from NOAA Station #9455428. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9455428.

What is the moon phase in Port Chatham, AK tonight?

Tonight the moon over Port Chatham, AK is Waxing Gibbous (80% illuminated). This places Port Chatham, 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