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 4h 16m 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 - Jul 2008

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue12:4518.22:1515.77:32-2.97:353.84:5711:25New Moon1Tue
2Wed1:4319.13:0616.88:23-4.28:292.84:5811:24New Moon2Wed
3Thu2:3819.83:5317.79:11-5.09:201.94:5911:23New Moon3Thu
4Fri3:3020.14:3818.29:57-5.210:091.35:0011:22Waxing Crescent4Fri
5Sat4:2019.85:2118.310:41-4.710:571.15:0211:21Waxing Crescent5Sat
6Sun5:0818.86:0317.911:24-3.511:451.35:0311:20Waxing Crescent6Sun
7Mon5:5617.36:4417.312:06-1.95:0511:19Waxing Crescent7Mon
8Tue6:4615.57:2616.512:361.812:490.15:0611:18First Quarter8Tue
9Wed7:3913.78:0815.61:292.41:332.35:0811:17First Quarter9Wed
10Thu8:4212.18:5414.72:273.12:214.35:0911:15First Quarter10Thu
11Fri9:5811.19:4714.13:343.53:186.05:1111:14First Quarter11Fri
12Sat11:2410.910:4613.84:483.44:267.15:1311:12Waxing Gibbous12Sat
13Sun12:3911.55:582.95:387.45:1411:11Waxing Gibbous13Sun
14Mon1:3512.46:522.06:397.05:1611:09Waxing Gibbous14Mon
15Tue12:4014.62:1913.47:361.07:286.35:1811:08Waxing Gibbous15Tue
16Wed1:2815.42:5514.48:140.08:105.35:2011:06Full Moon16Wed
17Thu2:1116.23:2915.28:48-1.08:484.35:2211:04Full Moon17Thu
18Fri2:5116.94:0015.99:20-1.89:253.45:2411:02Full Moon18Fri
19Sat3:2917.44:3116.59:52-2.310:012.75:2611:00Full Moon19Sat
20Sun4:0617.65:0116.810:24-2.410:382.25:2810:58Waning Gibbous20Sun
21Mon4:4317.35:3117.010:57-2.011:161.85:3010:57Waning Gibbous21Mon
22Tue5:2116.76:0317.011:30-1.111:571.75:3210:54Waning Gibbous22Tue
23Wed6:0315.76:3616.912:060.25:3410:52Waning Gibbous23Wed
24Thu6:5114.47:1416.612:421.812:451.85:3610:50Third Quarter24Thu
25Fri7:4913.18:0116.21:352.01:323.65:3810:48Third Quarter25Fri
26Sat9:0512.08:5915.92:392.22:325.35:4110:46Third Quarter26Sat
27Sun10:3811.810:1215.83:552.03:506.45:4310:44Waning Crescent27Sun
28Mon12:0712.65:171.05:156.55:4510:42Waning Crescent28Mon
29Tue1:1514.16:28-0.46:305.55:4710:39Waning Crescent29Tue
30Wed12:4017.42:0915.77:26-2.07:314.05:5010:37New Moon30Wed
31Thu1:4118.62:5517.18:15-3.48:232.35:5210:35New Moon31Thu
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