Tides Today & Tomorrow in Port Chatham, AK

TIDE TIMES for Friday, June 19, 2026
The tide is currently falling in Port Chatham, AK.
Next low tide (tomorrow) : in 1h 28m at 11:29 pm (2.0 ft)
Next high tide : 5:39 am (14.5 ft)
Sunset today : 11:25 pm
Sunrise tomorrow : 4:50 am
Moon phase : Waxing Crescent (19% illuminated)
Tide Station Location : Station #9455428
Common Questions About Tides

Port Chatham, AK Tides - Oct 2020

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu2:2814.62:4915.08:27-0.18:43-0.18:147:38Full Moon1Thu
2Fri3:0114.83:1415.28:550.09:14-0.68:167:35Full Moon2Fri
3Sat3:3314.83:3915.29:230.59:44-0.78:187:32Full Moon3Sat
4Sun4:0514.54:0415.09:521.310:15-0.48:217:29Waning Gibbous4Sun
5Mon4:3813.94:3014.510:222.410:470.38:237:26Waning Gibbous5Mon
6Tue5:1313.04:5713.810:533.711:211.28:257:23Waning Gibbous6Tue
7Wed5:5312.05:2813.011:265.18:287:20Waning Gibbous7Wed
8Thu6:4210.96:0712.112:012.312:066.58:307:18Third Quarter8Thu
9Fri7:5110.17:0611.212:543.41:077.78:327:15Third Quarter9Fri
10Sat9:289.98:3910.82:104.12:408.18:357:12Third Quarter10Sat
11Sun10:5310.710:1811.23:423.94:187.38:377:09Third Quarter11Sun
12Mon11:4812.011:3212.54:592.75:285.48:397:06Waning Crescent12Mon
13Tue12:3013.55:541.26:203.08:427:03Waning Crescent13Tue
14Wed12:2913.91:0814.96:40-0.27:040.68:447:00Waning Crescent14Wed
15Thu1:1915.31:4516.37:22-1.37:47-1.68:466:58New Moon15Thu
16Fri2:0616.32:2217.38:02-1.88:29-3.38:496:55New Moon16Fri
17Sat2:5216.93:0017.98:43-1.89:11-4.38:516:52New Moon17Sat
18Sun3:3816.93:3818.09:24-1.19:54-4.38:546:49Waxing Crescent18Sun
19Mon4:2516.34:1817.510:060.110:39-3.58:566:47Waxing Crescent19Mon
20Tue5:1415.35:0016.410:511.811:28-2.08:586:44Waxing Crescent20Tue
21Wed6:0814.05:4714.911:403.79:016:41First Quarter21Wed
22Thu7:1112.66:4313.212:22-0.112:385.49:036:38First Quarter22Thu
23Fri8:3011.78:0011.81:291.81:546.79:066:36First Quarter23Fri
24Sat10:0011.59:4011.12:533.03:336.99:086:33First Quarter24Sat
25Sun11:1512.111:0911.44:243.35:055.89:106:30Waxing Gibbous25Sun
26Mon12:0712.85:322.96:034.39:136:28Waxing Gibbous26Mon
27Tue12:1112.112:4513.56:182.46:442.89:156:25Waxing Gibbous27Tue
28Wed12:5612.81:1614.16:542.07:181.59:186:22Waxing Gibbous28Wed
29Thu1:3313.51:4414.77:251.77:480.39:206:20Full Moon29Thu
30Fri2:0814.02:1015.17:541.68:18-0.59:236:17Full Moon30Fri
31Sat2:4014.32:3515.38:231.88:48-1.19:256:15Full 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 2:34 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 19% 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 (19% 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