Tides Today & Tomorrow in Port Chatham, AK

TIDE TIMES for Saturday, June 20, 2026
The tide is currently falling in Port Chatham, AK.
Next low tide : in 2h 51m at 12:49 pm (-0.6 ft)
Next high tide : 7:32 pm (13.4 ft)
Sunset today : 11:26 pm
Sunrise tomorrow : 4:51 am
Moon phase : First Quarter (39% illuminated)
Tide Station Location : Station #9455428
Common Questions About Tides

Port Chatham, AK Tides - May 2031

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu10:169.911:0611.34:115.54:273.86:0710:00Waxing Gibbous1Thu
2Fri11:2510.611:4912.35:154.05:223.26:0410:02Waxing Gibbous2Fri
3Sat12:1911.66:032.26:092.56:0210:05Waxing Gibbous3Sat
4Sun12:2813.41:0712.76:450.36:521.85:5910:07Waxing Gibbous4Sun
5Mon1:0614.51:5213.77:26-1.47:331.15:5710:10Full Moon5Mon
6Tue1:4415.52:3714.48:06-3.08:150.75:5410:12Full Moon6Tue
7Wed2:2416.23:2114.98:48-4.08:570.65:5210:14Full Moon7Wed
8Thu3:0616.64:0615.09:30-4.59:410.75:4910:17Waning Gibbous8Thu
9Fri3:4916.54:5314.710:15-4.310:271.25:4710:19Waning Gibbous9Fri
10Sat4:3516.05:4314.211:02-3.611:182.05:4410:21Waning Gibbous10Sat
11Sun5:2515.06:3813.511:53-2.45:4210:24Waning Gibbous11Sun
12Mon6:2213.77:3812.912:142.812:49-0.95:4010:26Third Quarter12Mon
13Tue7:2912.48:4412.61:203.41:530.55:3710:28Third Quarter13Tue
14Wed8:4811.59:5212.62:353.63:021.65:3510:30Third Quarter14Wed
15Thu10:1211.210:5313.03:553.04:132.25:3310:33Waning Crescent15Thu
16Fri11:2711.511:4613.55:081.85:172.55:3110:35Waning Crescent16Fri
17Sat12:2912.06:050.56:102.55:2910:37Waning Crescent17Sat
18Sun12:3214.01:2112.66:53-0.66:562.45:2710:39Waning Crescent18Sun
19Mon1:1214.42:0613.17:35-1.57:372.35:2510:41New Moon19Mon
20Tue1:5014.62:4613.48:12-2.18:162.35:2210:43New Moon20Tue
21Wed2:2614.73:2413.58:48-2.38:532.45:2110:46New Moon21Wed
22Thu3:0114.64:0113.59:24-2.29:302.75:1910:48New Moon22Thu
23Fri3:3514.44:3713.29:59-1.810:073.05:1710:50Waxing Crescent23Fri
24Sat4:1013.95:1412.810:34-1.210:453.65:1510:52Waxing Crescent24Sat
25Sun4:4613.25:5212.311:11-0.411:264.25:1310:54Waxing Crescent25Sun
26Mon5:2512.46:3311.711:500.65:1110:56Waxing Crescent26Mon
27Tue6:0911.57:1811.312:114.712:321.65:1010:58First Quarter27Tue
28Wed7:0110.68:0811.11:035.11:202.55:0810:59First Quarter28Wed
29Thu8:059.99:0211.22:055.12:153.35:0711:01First Quarter29Thu
30Fri9:219.79:5611.73:144.63:173.85:0511:03First Quarter30Fri
31Sat10:3710.110:4812.54:213.54:203.95:0411:05Waxing Gibbous31Sat
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 4:10 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 39% 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 First Quarter (39% 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