Tides Today & Tomorrow in Port Chatham, AK

TIDE TIMES for Wednesday, June 17, 2026
The tide is currently rising in Port Chatham, AK.
Next low tide : 10:36 pm (1.8 ft)
Next high tide : in 6h 23m at 5:06 pm (14.6 ft)
Sunset today : 11:24 pm
Sunrise tomorrow : 4:50 am
Moon phase : Waxing Crescent (11% illuminated)
Tide Station Location : Station #9455428
Common Questions About Tides

Port Chatham, AK Tides - May 2023

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon12:1711.712:2311.26:193.66:232.36:0710:00Waxing Gibbous1Mon
2Tue12:4612.61:0512.16:531.86:561.76:0410:02Waxing Gibbous2Tue
3Wed1:1413.51:4512.97:260.17:301.46:0210:05Waxing Gibbous3Wed
4Thu1:4314.42:2413.67:59-1.38:041.25:5910:07Full Moon4Thu
5Fri2:1315.13:0314.08:33-2.58:391.35:5710:09Full Moon5Fri
6Sat2:4515.63:4314.19:09-3.29:161.75:5410:12Full Moon6Sat
7Sun3:2015.84:2513.99:48-3.49:552.45:5210:14Waning Gibbous7Sun
8Mon3:5715.65:1013.310:29-3.010:373.25:4910:16Waning Gibbous8Mon
9Tue4:3815.06:0112.511:15-2.211:264.25:4710:19Waning Gibbous9Tue
10Wed5:2614.07:0211.812:08-1.15:4510:21Waning Gibbous10Wed
11Thu6:2412.98:1211.412:255.11:110.15:4210:23Third Quarter11Thu
12Fri7:3911.89:2711.61:385.52:231.05:4010:26Third Quarter12Fri
13Sat9:0911.310:3312.23:045.13:391.45:3810:28Third Quarter13Sat
14Sun10:3611.411:2713.24:273.74:471.35:3510:30Waning Crescent14Sun
15Mon11:4712.15:331.85:441.25:3310:32Waning Crescent15Mon
16Tue12:1314.112:4612.86:26-0.16:321.15:3110:35Waning Crescent16Tue
17Wed12:5414.91:3713.47:11-1.77:151.25:2910:37New Moon17Wed
18Thu1:3215.42:2313.87:53-2.87:561.55:2710:39New Moon18Thu
19Fri2:0915.63:0613.98:32-3.38:361.95:2510:41New Moon19Fri
20Sat2:4515.53:4713.89:10-3.39:142.55:2310:43New Moon20Sat
21Sun3:2015.14:2813.49:48-2.79:533.25:2110:45Waxing Crescent21Sun
22Mon3:5614.55:0912.810:26-1.810:334.15:1910:48Waxing Crescent22Mon
23Tue4:3313.65:5212.011:06-0.711:154.95:1710:50Waxing Crescent23Tue
24Wed5:1212.66:3911.211:490.55:1510:52Waxing Crescent24Wed
25Thu5:5711.67:3310.612:025.712:361.75:1310:54First Quarter25Thu
26Fri6:5110.58:3210.412:596.31:302.75:1110:56First Quarter26Fri
27Sat7:599.79:3110.52:086.52:313.45:1010:57First Quarter27Sat
28Sun9:199.410:2210.93:265.93:333.75:0810:59First Quarter28Sun
29Mon10:359.611:0511.64:344.84:313.85:0711:01Waxing Gibbous29Mon
30Tue11:3710.311:4312.55:273.35:213.75:0511:03Waxing Gibbous30Tue
31Wed12:3011.16:111.66:063.45:0411:05Waxing Gibbous31Wed
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 7:51 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 spring phase. Tonight's moon is 11% 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 Crescent (11% 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