Tides Today & Tomorrow in Port Graham, AK

TIDE TIMES for Friday, July 10, 2026
The tide is currently rising in Port Graham, AK.
Next low tide : 5:13 am (1.0 ft)
Next high tide (tomorrow) : in 1h 55m at 10:17 pm (16.0 ft)
Sunset today : 11:17 pm
Sunrise tomorrow : 5:07 am
Moon phase : Waning Crescent (28% illuminated)
Tide Station Location : Station #9455437
Common Questions About Tides

Port Graham, AK Tides - Jan 2061

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat9:3116.910:5113.63:015.34:161.610:024:19Waxing Gibbous1Sat
2Sun10:3217.74:135.75:20-0.110:024:21Waxing Gibbous2Sun
3Mon12:0014.811:31 AM18.65:195.66:17-1.710:014:22Waxing Gibbous3Mon
4Tue12:5916.112:2719.56:184.97:07-3.010:004:24Full Moon4Tue
5Wed1:5117.31:2020.17:124.17:54-3.810:004:26Full Moon5Wed
6Thu2:3718.12:1020.48:013.38:39-4.19:594:27Full Moon6Thu
7Fri3:2018.52:5720.28:472.89:21-3.79:584:29Waning Gibbous7Fri
8Sat4:0218.53:4219.49:332.610:02-2.89:574:31Waning Gibbous8Sat
9Sun4:4118.24:2618.210:172.710:41-1.59:564:33Waning Gibbous9Sun
10Mon5:2017.55:1016.611:033.211:200.39:544:35Waning Gibbous10Mon
11Tue5:5816.75:5614.811:513.89:534:37Third Quarter11Tue
12Wed6:3715.96:4913.112:002.212:434.49:524:39Third Quarter12Wed
13Thu7:1815.17:5411.712:424.21:434.99:514:41Third Quarter13Thu
14Fri8:0414.59:1811.01:306.02:535.09:494:43Third Quarter14Fri
15Sat8:5814.110:4911.32:317.54:104.59:484:45Waning Crescent15Sat
16Sun9:5914.211:5912.23:458.25:153.69:464:48Waning Crescent16Sun
17Mon10:5814.74:568.26:052.49:444:50Waning Crescent17Mon
18Tue12:4913.411:51 AM15.65:537.66:451.19:434:52Waning Crescent18Tue
19Wed1:2914.512:3816.66:396.67:22-0.29:414:54New Moon19Wed
20Thu2:0415.51:2117.67:205.57:56-1.49:394:57New Moon20Thu
21Fri2:3816.52:0118.47:594.48:30-2.39:374:59New Moon21Fri
22Sat3:1117.22:4118.98:373.49:04-2.89:365:02New Moon22Sat
23Sun3:4317.73:2019.09:152.69:39-2.89:345:04Waxing Crescent23Sun
24Mon4:1518.14:0018.59:542.010:14-2.19:325:06Waxing Crescent24Mon
25Tue4:4818.24:4217.610:361.810:51-0.99:305:09Waxing Crescent25Tue
26Wed5:2318.05:3016.211:221.811:310.89:285:11Waxing Crescent26Wed
27Thu6:0117.76:2514.612:132.09:255:14First Quarter27Thu
28Fri6:4617.27:3513.012:162.91:152.49:235:16First Quarter28Fri
29Sat7:4016.59:0712.21:114.92:292.59:215:19First Quarter29Sat
30Sun8:4916.110:4612.72:236.63:542.09:195:21Waxing Gibbous30Sun
31Mon10:0916.23:517.35:130.89:175:24Waxing Gibbous31Mon
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 1:45 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 Graham, AK?

Port Graham, AK is currently in a transitional phase. Tonight's moon is 28% 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 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 Waning Crescent (28% illuminated). This places Port Graham, 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