Tides Today & Tomorrow in Port Graham, AK

TIDE TIMES for Sunday, July 5, 2026
The tide is currently rising in Port Graham, AK.
Next low tide : 12:22 pm (0.3 ft)
Next high tide : in 16m at 6:09 am (14.9 ft)
Sunset today : 11:22 pm
Sunrise tomorrow : 5:01 am
Moon phase : Waning Gibbous (70% illuminated)
Tide Station Location : Station #9455437
Common Questions About Tides

Port Graham, AK Tides - Apr 2053

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue1:5918.02:1318.17:54-0.28:12-1.57:308:51Full Moon1Tue
2Wed2:3718.92:5618.78:34-1.68:49-1.67:278:53Full Moon2Wed
3Thu3:1219.43:3618.89:13-2.49:25-1.37:248:56Full Moon3Thu
4Fri3:4519.54:1418.59:49-2.610:00-0.67:218:58Full Moon4Fri
5Sat4:1719.14:5117.710:25-2.310:340.57:189:01Waning Gibbous5Sat
6Sun4:4718.35:2816.611:00-1.411:091.97:159:03Waning Gibbous6Sun
7Mon5:1917.36:0715.311:37-0.211:463.47:129:05Waning Gibbous7Mon
8Tue5:5216.06:5013.812:161.27:099:08Waning Gibbous8Tue
9Wed6:2914.67:4312.512:275.01:012.77:069:10Third Quarter9Wed
10Thu7:1613.28:5411.61:166.41:583.97:039:12Third Quarter10Thu
11Fri8:2212.110:1811.52:237.33:134.67:009:15Third Quarter11Fri
12Sat9:5011.711:2912.33:497.44:364.56:589:17Third Quarter12Sat
13Sun11:1412.35:126.45:413.66:559:20Waning Crescent13Sun
14Mon12:1913.512:1613.56:104.76:292.46:529:22Waning Crescent14Mon
15Tue12:5814.91:0515.06:542.87:081.26:499:24Waning Crescent15Tue
16Wed1:3316.41:4916.47:330.77:460.26:469:27Waning Crescent16Wed
17Thu2:0717.82:3117.68:11-1.28:24-0.66:439:29New Moon17Thu
18Fri2:4119.13:1318.58:49-2.89:02-0.96:409:32New Moon18Fri
19Sat3:1719.93:5518.99:29-3.99:41-0.86:389:34New Moon19Sat
20Sun3:5420.34:3818.710:09-4.310:22-0.26:359:36Waxing Crescent20Sun
21Mon4:3420.15:2418.010:52-4.111:060.86:329:39Waxing Crescent21Mon
22Tue5:1619.36:1516.911:39-3.111:542.26:299:41Waxing Crescent22Tue
23Wed6:0418.07:1215.612:31-1.76:269:44First Quarter23Wed
24Thu7:0016.48:2014.612:503.61:32-0.26:249:46First Quarter24Thu
25Fri8:1014.89:3814.21:594.72:431.16:219:48First Quarter25Fri
26Sat9:3613.910:5414.63:215.04:021.76:189:51First Quarter26Sat
27Sun11:0314.011:5615.64:474.25:161.76:169:53Waxing Gibbous27Sun
28Mon12:1414.85:582.66:161.26:139:56Waxing Gibbous28Mon
29Tue12:4616.61:1115.76:520.97:040.86:109:58Waxing Gibbous29Tue
30Wed1:2917.51:5916.57:37-0.67:450.66:0810:00Waxing Gibbous30Wed
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 9:15 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 70% 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 Gibbous (70% 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