Tides Today & Tomorrow in Port Graham, AK

TIDE TIMES for Tuesday, June 30, 2026
The tide is currently rising in Port Graham, AK.
Next low tide : 9:31 am (-1.5 ft)
Next high tide : in 2h 34m at 2:57 am (16.6 ft)
Sunset today : 11:26 pm
Sunrise tomorrow : 4:56 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #9455437
Common Questions About Tides

Port Graham, AK Tides - Jan 2045

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun12:4015.212:0218.85:575.76:47-2.310:024:19Full Moon1Sun
2Mon1:3016.612:5620.06:514.67:34-3.810:024:20Full Moon2Mon
3Tue2:1717.91:4820.97:413.38:20-4.810:014:22Full Moon3Tue
4Wed3:0118.92:3821.38:292.29:04-5.110:014:24Full Moon4Wed
5Thu3:4419.43:2721.09:171.59:48-4.610:004:25Waning Gibbous5Thu
6Fri4:2719.64:1620.010:061.210:32-3.49:594:27Waning Gibbous6Fri
7Sat5:0919.35:0718.310:561.311:16-1.59:584:29Waning Gibbous7Sat
8Sun5:5318.66:0116.311:501.99:574:31Third Quarter8Sun
9Mon6:3817.87:0314.312:020.812:492.59:564:33Third Quarter9Mon
10Tue7:2816.88:1812.712:513.21:573.19:554:35Third Quarter10Tue
11Wed8:2315.99:4912.01:485.43:153.39:534:37Third Quarter11Wed
12Thu9:2715.311:1712.42:587.04:353.09:524:39Waning Crescent12Thu
13Fri10:3415.24:177.75:402.29:514:41Waning Crescent13Fri
14Sat12:2413.311:34 AM15.55:277.66:291.39:494:43Waning Crescent14Sat
15Sun1:1214.312:2516.16:216.97:090.49:484:45Waning Crescent15Sun
16Mon1:5015.21:0716.87:046.07:43-0.49:464:47New Moon16Mon
17Tue2:2315.91:4617.47:415.08:15-1.09:454:50New Moon17Tue
18Wed2:5316.52:2117.88:174.18:45-1.49:434:52New Moon18Wed
19Thu3:2217.02:5517.98:513.59:14-1.59:414:54New Moon19Thu
20Fri3:5017.23:2917.79:253.09:43-1.19:394:57Waxing Crescent20Fri
21Sat4:1817.24:0317.19:592.810:13-0.49:384:59Waxing Crescent21Sat
22Sun4:4517.14:3816.110:342.810:420.89:365:01Waxing Crescent22Sun
23Mon5:1216.85:1614.911:113.011:142.29:345:04Waxing Crescent23Mon
24Tue5:4216.56:0113.611:543.311:493.99:325:06First Quarter24Tue
25Wed6:1816.17:0012.312:453.79:305:09First Quarter25Wed
26Thu7:0315.78:2211.412:345.61:513.89:285:11First Quarter26Thu
27Fri8:0515.410:0611.51:377.13:143.49:265:14First Quarter27Fri
28Sat9:2415.511:3112.83:068.04:372.09:245:16Waxing Gibbous28Sat
29Sun10:4416.54:357.55:430.19:215:19Waxing Gibbous29Sun
30Mon12:3214.611:52 AM17.95:466.06:37-2.09:195:21Waxing Gibbous30Mon
31Tue1:2016.512:5119.56:434.17:24-3.79:175:24Full Moon31Tue
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 6:14 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 spring phase. Tonight's moon is 99% 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 (99% 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