Tides Today & Tomorrow in Port Chatham, AK

TIDE TIMES for Tuesday, August 4, 2026
The tide is currently falling in Port Chatham, AK.
Next low tide : in 3h 27m at 12:06 pm (1.8 ft)
Next high tide : 6:31 pm (13.9 ft)
Sunset today : 10:24 pm
Sunrise tomorrow : 6:01 am
Moon phase : Third Quarter (64% illuminated)
Tide Station Location : Station #9455428
Common Questions About Tides

Port Chatham, AK Tides - Dec 2089

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu1:1914.71:0316.36:502.37:26-2.59:374:15New Moon1Thu
2Fri2:0115.01:4116.27:312.38:04-2.59:394:13New Moon2Fri
3Sat2:4115.02:1815.98:112.58:41-2.19:414:12New Moon3Sat
4Sun3:1914.82:5515.48:502.99:17-1.49:424:12Waxing Crescent4Sun
5Mon3:5714.33:3214.69:293.59:54-0.49:444:11Waxing Crescent5Mon
6Tue4:3513.74:1013.610:104.210:320.89:464:10Waxing Crescent6Tue
7Wed5:1613.04:5112.510:545.011:132.19:474:09Waxing Crescent7Wed
8Thu5:5912.45:4011.411:455.611:583.39:494:09First Quarter8Thu
9Fri6:4811.96:4010.512:446.09:504:08First Quarter9Fri
10Sat7:4311.87:5510.012:514.41:545.99:514:08First Quarter10Sat
11Sun8:4011.99:1710.01:535.23:065.19:534:07First Quarter11Sun
12Mon9:3512.410:2710.72:595.54:083.99:544:07Waxing Gibbous12Mon
13Tue10:2413.211:2311.74:015.34:582.39:554:07Waxing Gibbous13Tue
14Wed11:0914.14:544.85:420.69:564:07Waxing Gibbous14Wed
15Thu12:1112.711:52 AM15.15:424.06:23-1.09:574:07Waxing Gibbous15Thu
16Fri12:5613.812:3516.06:273.27:04-2.49:584:07Full Moon16Fri
17Sat1:3914.71:1916.77:112.47:46-3.49:594:07Full Moon17Sat
18Sun2:2215.42:0317.17:551.88:27-3.99:594:07Full Moon18Sun
19Mon3:0515.82:4917.08:401.59:10-3.810:004:08Waning Gibbous19Mon
20Tue3:4815.83:3616.59:271.59:55-3.110:014:08Waning Gibbous20Tue
21Wed4:3415.64:2615.510:171.810:42-1.910:014:09Waning Gibbous21Wed
22Thu5:2215.25:2114.211:122.311:33-0.310:024:09Third Quarter22Thu
23Fri6:1514.66:2612.912:142.810:024:10Third Quarter23Fri
24Sat7:1314.27:4211.812:301.51:253.110:024:11Third Quarter24Sat
25Sun8:1613.99:0711.41:343.02:432.810:024:12Third Quarter25Sun
26Mon9:2213.910:2811.72:454.13:592.010:024:13Waning Crescent26Mon
27Tue10:2314.211:3412.33:564.65:020.910:024:14Waning Crescent27Tue
28Wed11:1814.54:594.55:53-0.210:024:15Waning Crescent28Wed
29Thu12:2713.112:0514.95:514.16:37-1.010:024:16New Moon29Thu
30Fri1:1213.712:4815.26:373.67:15-1.510:024:17New Moon30Fri
31Sat1:5214.21:2715.47:183.17:51-1.810:014:18New Moon31Sat
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 3:18 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 64% 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 Third Quarter (64% 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