Tides Today & Tomorrow in Port Chatham, AK

TIDE TIMES for Monday, August 3, 2026
The tide is currently rising in Port Chatham, AK.
Next low tide (tomorrow) : 12:03 am (1.3 ft)
Next high tide : in 2h 37m at 5:56 pm (14.2 ft)
Sunset today : 10:27 pm
Sunrise tomorrow : 5:58 am
Moon phase : Waning Gibbous (74% illuminated)
Tide Station Location : Station #9455428
Common Questions About Tides

Port Chatham, AK Tides - Jan 2089

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat5:0615.85:0814.710:561.411:16-0.710:014:20Waning Gibbous1Sat
2Sun5:5515.06:0613.111:532.310:004:22Third Quarter2Sun
3Mon6:4714.27:1411.712:071.312:583.09:594:23Third Quarter3Mon
4Tue7:4613.58:3510.81:043.32:133.49:594:25Third Quarter4Tue
5Wed8:5013.010:0110.72:114.83:343.29:584:27Waning Crescent5Wed
6Thu9:5512.911:1311.23:245.64:432.59:574:28Waning Crescent6Thu
7Fri10:5213.24:325.75:361.69:564:30Waning Crescent7Fri
8Sat12:0811.811:40 AM13.65:275.46:170.79:554:32Waning Crescent8Sat
9Sun12:5112.612:2114.06:124.86:53-0.19:544:34New Moon9Sun
10Mon1:2813.212:5914.56:514.17:26-0.79:534:36New Moon10Mon
11Tue2:0113.81:3514.87:283.47:57-1.29:514:38New Moon11Tue
12Wed2:3314.22:0915.08:032.98:28-1.49:504:40New Moon12Wed
13Thu3:0414.42:4414.98:382.69:00-1.39:494:42New Moon13Thu
14Fri3:3514.43:1814.69:132.59:31-0.89:474:44Waxing Crescent14Fri
15Sat4:0514.33:5314.09:492.610:03-0.19:464:46Waxing Crescent15Sat
16Sun4:3614.04:3013.310:272.910:371.09:444:49Waxing Crescent16Sun
17Mon5:1013.75:1312.311:093.311:152.29:434:51Waxing Crescent17Mon
18Tue5:4813.36:0511.311:583.69:414:53First Quarter18Tue
19Wed6:3313.07:1310.512:003.512:583.89:394:55First Quarter19Wed
20Thu7:3112.98:3910.312:574.72:113.59:374:58First Quarter20Thu
21Fri8:4013.010:0710.82:115.63:292.69:365:00Waxing Gibbous21Fri
22Sat9:5213.711:1812.03:315.64:390.99:345:02Waxing Gibbous22Sat
23Sun10:5814.74:444.75:37-0.99:325:05Waxing Gibbous23Sun
24Mon12:1513.411:56 AM15.85:443.36:27-2.69:305:07Waxing Gibbous24Mon
25Tue1:0414.812:5016.86:371.87:14-4.09:285:10Full Moon25Tue
26Wed1:4915.91:4017.57:270.47:58-4.79:265:12Full Moon26Wed
27Thu2:3216.72:2817.78:13-0.68:41-4.79:245:15Full Moon27Thu
28Fri3:1417.13:1517.38:59-1.09:22-3.99:225:17Waning Gibbous28Fri
29Sat3:5516.94:0116.39:45-0.910:04-2.59:195:20Waning Gibbous29Sat
30Sun4:3516.44:4914.910:32-0.210:47-0.79:175:22Waning Gibbous30Sun
31Mon5:1715.45:3913.311:220.911:321.59:155:25Third Quarter31Mon
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 8:59 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 Port Chatham, AK?

Port Chatham, AK is currently in a transitional phase. Tonight's moon is 74% 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 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 Waning Gibbous (74% illuminated). This places Port Chatham, 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