Tides Today & Tomorrow in Port Chatham, AK

TIDE TIMES for Wednesday, July 22, 2026
The tide is currently rising in Port Chatham, AK.
Next low tide : 2:35 pm (5.7 ft)
Next high tide : in 2h 55m at 9:16 am (9.5 ft)
Sunset today : 10:54 pm
Sunrise tomorrow : 5:32 am
Moon phase : First Quarter (63% illuminated)
Tide Station Location : Station #9455428
Common Questions About Tides

Port Chatham, AK Tides - Oct 2071

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu8:5310.48:2510.61:564.02:197.18:137:39First Quarter1Thu
2Fri10:2210.49:5910.43:214.73:527.28:157:36First Quarter2Fri
3Sat11:3011.011:1710.94:484.45:146.28:177:33Waxing Gibbous3Sat
4Sun12:1611.95:463.66:054.88:207:30Waxing Gibbous4Sun
5Mon12:1111.812:5112.86:252.76:433.38:227:27Waxing Gibbous5Mon
6Tue12:5312.81:2113.76:591.87:171.88:247:24Waxing Gibbous6Tue
7Wed1:3113.71:5114.67:301.07:500.48:277:21Full Moon7Wed
8Thu2:0714.52:2015.38:020.58:23-0.88:297:19Full Moon8Thu
9Fri2:4315.12:5015.98:350.28:57-1.68:317:16Full Moon9Fri
10Sat3:2015.33:2216.29:080.39:33-2.08:347:13Full Moon10Sat
11Sun3:5715.23:5516.19:440.810:10-1.98:367:10Waning Gibbous11Sun
12Mon4:3714.84:3015.810:211.610:51-1.48:387:07Waning Gibbous12Mon
13Tue5:2114.05:1015.111:022.711:36-0.48:417:04Waning Gibbous13Tue
14Wed6:1213.15:5814.111:514.08:437:01Third Quarter14Wed
15Thu7:1412.26:5913.012:310.712:515.18:456:59Third Quarter15Thu
16Fri8:3111.88:2012.21:381.82:095.88:486:56Third Quarter16Fri
17Sat9:5412.19:5312.22:572.43:385.38:506:53Third Quarter17Sat
18Sun11:0413.011:1412.94:172.14:583.88:536:50Waning Crescent18Sun
19Mon12:0014.15:241.45:591.98:556:48Waning Crescent19Mon
20Tue12:1714.012:4615.36:180.56:490.08:576:45Waning Crescent20Tue
21Wed1:1014.91:2716.27:04-0.17:34-1.69:006:42New Moon21Wed
22Thu1:5715.62:0616.87:46-0.48:15-2.69:026:39New Moon22Thu
23Fri2:4116.02:4317.08:26-0.38:54-3.09:056:37New Moon23Fri
24Sat3:2315.93:1816.89:040.29:32-2.89:076:34New Moon24Sat
25Sun4:0315.53:5316.29:421.110:10-2.09:106:31Waxing Crescent25Sun
26Mon4:4314.84:2815.310:202.210:49-0.89:126:29Waxing Crescent26Mon
27Tue5:2513.85:0414.211:003.611:290.69:146:26Waxing Crescent27Tue
28Wed6:0912.75:4312.911:434.99:176:23Waxing Crescent28Wed
29Thu7:0111.76:3111.712:142.212:346.29:196:21First Quarter29Thu
30Fri8:0511.07:3410.61:073.61:407.09:226:18First Quarter30Fri
31Sat9:2010.89:0010.12:144.63:027.19:246:16First Quarter31Sat
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 11:55 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 transitional phase. Tonight's moon is 63% 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 (63% 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