Tides Today & Tomorrow in Port Graham, AK

TIDE TIMES for Wednesday, July 22, 2026
The tide is currently falling in Port Graham, AK.
Next low tide : in 5h 37m at 3:09 am (3.3 ft)
Next high tide : 9:36 am (11.2 ft)
Sunset today : 10:57 pm
Sunrise tomorrow : 5:29 am
Moon phase : First Quarter (54% illuminated)
Tide Station Location : Station #9455437
Common Questions About Tides

Port Graham, AK Tides - Jul 1983

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri5:3313.86:4013.911:541.63:5610:25Third Quarter1Fri
2Sat6:2412.77:2413.712:285.312:382.73:5710:25Third Quarter2Sat
3Sun7:2611.88:1213.91:265.21:283.83:5810:24Third Quarter3Sun
4Mon8:3911.39:0414.32:314.62:274.63:5910:23Third Quarter4Mon
5Tue9:5611.69:5715.13:373.53:315.14:0010:22Waning Crescent5Tue
6Wed11:0612.610:4916.14:382.04:345.04:0210:21Waning Crescent6Wed
7Thu12:0613.85:320.15:324.54:0310:20Waning Crescent7Thu
8Fri1:0015.26:22-1.76:253.84:0510:19Waning Crescent8Fri
9Sat12:3218.61:5016.57:10-3.47:162.94:0610:18New Moon9Sat
10Sun1:2319.62:3717.57:56-4.68:052.04:0810:17New Moon10Sun
11Mon2:1320.23:2318.28:42-5.38:531.44:0910:15New Moon11Mon
12Tue3:0320.44:0818.59:28-5.49:421.14:1110:14Waxing Crescent12Tue
13Wed3:5319.84:5418.410:14-4.710:331.14:1310:12Waxing Crescent13Wed
14Thu4:4418.75:4117.911:01-3.311:271.44:1410:11Waxing Crescent14Thu
15Fri5:3917.06:2917.311:50-1.54:1610:09First Quarter15Fri
16Sat6:3915.27:2116.512:261.912:420.64:1810:07First Quarter16Sat
17Sun7:4813.68:1715.91:322.31:392.64:2010:06First Quarter17Sun
18Mon9:0812.69:1715.52:442.42:424.34:2210:04First Quarter18Mon
19Tue10:3012.410:1815.44:002.13:525.34:2410:02Waxing Gibbous19Tue
20Wed11:4212.911:1415.55:071.44:585.74:2610:00Waxing Gibbous20Wed
21Thu12:3913.76:020.55:555.54:289:58Waxing Gibbous21Thu
22Fri12:0415.91:2514.56:46-0.26:425.04:309:56Waxing Gibbous22Fri
23Sat12:4916.32:0415.27:25-0.87:234.44:329:54Full Moon23Sat
24Sun1:2916.82:3915.88:00-1.38:013.84:349:52Full Moon24Sun
25Mon2:0717.13:1216.18:33-1.78:383.34:369:50Full Moon25Mon
26Tue2:4317.33:4316.39:05-1.79:143.04:389:48Full Moon26Tue
27Wed3:1817.14:1416.29:37-1.59:492.94:419:46Waning Gibbous27Wed
28Thu3:5316.74:4516.010:09-0.910:263.04:439:44Waning Gibbous28Thu
29Fri4:2915.95:1615.710:410.011:043.34:459:41Waning Gibbous29Fri
30Sat5:0814.85:4815.311:151.211:463.64:479:39Waning Gibbous30Sat
31Sun5:5113.76:2415.011:522.64:509:37Third Quarter31Sun
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 6:22 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 neap phase. Tonight's moon is 54% 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 minimum.

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 First Quarter (54% illuminated). This places Port Graham, AK in a neap tide cycle, so tidal ranges are near their weekly minimum 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