Tides Today & Tomorrow in Port Graham, AK

TIDE TIMES for Monday, June 29, 2026
The tide is currently rising in Port Graham, AK.
Next low tide : 8:56 pm (4.7 ft)
Next high tide : in 2h 13m at 3:40 pm (15.0 ft)
Sunset today : 11:26 pm
Sunrise tomorrow : 4:55 am
Moon phase : Full Moon (100% illuminated)
Tide Station Location : Station #9455437
Common Questions About Tides

Port Graham, AK Tides - Aug 2044

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon9:1411.48:5714.22:453.12:336.35:5510:31First Quarter1Mon
2Tue10:4910.910:0413.54:023.73:447.75:5710:29Waxing Gibbous2Tue
3Wed12:2211.35:303.65:128.25:5910:27Waxing Gibbous3Wed
4Thu1:2512.36:382.86:267.66:0210:24Waxing Gibbous4Thu
5Fri12:2714.02:0713.47:261.77:186.66:0410:22Waxing Gibbous5Fri
6Sat1:1914.92:4114.48:020.67:585.46:0610:19Waxing Gibbous6Sat
7Sun2:0115.93:1115.48:34-0.48:344.16:0910:16Full Moon7Sun
8Mon2:3916.83:3916.29:04-1.39:083.06:1110:14Full Moon8Mon
9Tue3:1517.54:0616.99:33-1.99:422.06:1310:11Full Moon9Tue
10Wed3:4917.84:3317.410:02-2.010:161.36:1610:09Full Moon10Wed
11Thu4:2417.65:0017.610:31-1.610:500.96:1810:06Waning Gibbous11Thu
12Fri4:5917.15:2717.611:01-0.811:260.86:2010:03Waning Gibbous12Fri
13Sat5:3716.25:5617.411:330.56:2210:01Waning Gibbous13Sat
14Sun6:1815.06:2917.012:051.012:082.26:259:58Third Quarter14Sun
15Mon7:0913.57:0916.412:501.512:484.06:279:55Third Quarter15Mon
16Tue8:1512.28:0315.61:472.21:415.96:299:52Third Quarter16Tue
17Wed9:4911.49:1815.13:012.62:577.36:329:50Third Quarter17Wed
18Thu11:3212.010:4815.34:312.34:347.56:349:47Waning Crescent18Thu
19Fri12:4713.65:550.96:006.46:369:44Waning Crescent19Fri
20Sat12:0916.51:4015.46:57-0.97:044.46:399:41Waning Crescent20Sat
21Sun1:1418.02:2517.17:47-2.57:562.36:419:38New Moon21Sun
22Mon2:0919.33:0418.58:30-3.78:430.46:439:36New Moon22Mon
23Tue2:5820.23:4119.59:10-4.29:26-1.16:469:33New Moon23Tue
24Wed3:4320.44:1620.09:48-3.910:08-1.86:489:30Waxing Crescent24Wed
25Thu4:2619.84:5019.910:25-2.910:48-1.86:509:27Waxing Crescent25Thu
26Fri5:0718.75:2319.311:01-1.211:29-1.16:539:24Waxing Crescent26Fri
27Sat5:5017.05:5518.211:360.96:559:21Waxing Crescent27Sat
28Sun6:3415.16:2916.712:110.212:133.26:579:18First Quarter28Sun
29Mon7:2413.17:0615.112:561.812:535.56:599:15First Quarter29Mon
30Tue8:3211.57:5413.61:513.51:447.57:029:13First Quarter30Tue
31Wed10:1710.79:1012.53:074.83:028.97:049:10First Quarter31Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9455437)

Common Questions About Port Graham, AK Tides

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What time does the tide turn (slack tide) in Port Graham, AK today?

Slack tide in Port Graham, AK is approximately 6:18 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 Graham, AK?

Port Graham, AK is currently in a spring phase. Tonight's moon is 100% 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 Graham, 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 Graham, AK?

Tide predictions for Port Graham, 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 Graham, AK?

Tide data for Port Graham, AK is sourced from NOAA Station #9455437. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9455437.

What is the moon phase in Port Graham, AK tonight?

Tonight the moon over Port Graham, AK is Full Moon (100% illuminated). This places Port Graham, 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