Tides Today & Tomorrow in Port Graham, AK

TIDE TIMES for Wednesday, July 8, 2026
The tide is currently falling in Port Graham, AK.
Next low tide : in 5h 03m at 2:50 am (3.0 ft)
Next high tide : 9:05 am (11.9 ft)
Sunset today : 11:20 pm
Sunrise tomorrow : 5:04 am
Moon phase : Third Quarter (50% illuminated)
Tide Station Location : Station #9455437
Common Questions About Tides

Port Graham, AK Tides - May 1996

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed1:3016.92:0616.27:43-0.47:511.16:0510:02Full Moon1Wed
2Thu2:0518.12:4717.28:21-2.18:300.56:0310:05Full Moon2Thu
3Fri2:4119.13:2917.98:59-3.39:090.36:0010:07Full Moon3Fri
4Sat3:1919.74:1118.29:39-4.19:500.45:5810:09Full Moon4Sat
5Sun3:5819.94:5517.910:20-4.310:330.95:5510:12Waning Gibbous5Sun
6Mon4:4019.55:4217.311:04-3.811:191.85:5310:14Waning Gibbous6Mon
7Tue5:2618.66:3416.411:52-2.85:5010:17Waning Gibbous7Tue
8Wed6:1717.27:3215.612:112.812:46-1.45:4810:19Third Quarter8Wed
9Thu7:1815.68:3815.01:123.71:470.15:4510:21Third Quarter9Thu
10Fri8:3314.39:4914.92:234.22:561.25:4310:24Third Quarter10Fri
11Sat9:5813.710:5615.53:433.94:101.95:4010:26Third Quarter11Sat
12Sun11:1913.911:5416.35:012.75:192.05:3810:28Waning Crescent12Sun
13Mon12:2614.76:061.16:161.85:3610:30Waning Crescent13Mon
14Tue12:4317.21:2215.66:58-0.57:051.55:3410:33Waning Crescent14Tue
15Wed1:2717.92:1116.37:43-1.77:491.45:3110:35New Moon15Wed
16Thu2:0618.42:5416.88:23-2.68:291.45:2910:37New Moon16Thu
17Fri2:4418.63:3417.09:01-3.09:081.65:2710:39New Moon17Fri
18Sat3:1918.54:1316.99:38-3.09:452.05:2510:42New Moon18Sat
19Sun3:5418.04:5016.610:14-2.510:232.65:2310:44Waxing Crescent19Sun
20Mon4:2917.35:2815.910:50-1.811:013.35:2110:46Waxing Crescent20Mon
21Tue5:0516.46:0715.111:27-0.711:424.25:1910:48Waxing Crescent21Tue
22Wed5:4215.26:4914.212:070.55:1710:50Waxing Crescent22Wed
23Thu6:2514.07:3613.512:275.012:501.75:1510:52First Quarter23Thu
24Fri7:1612.78:2913.01:195.71:392.85:1310:54First Quarter24Fri
25Sat8:1911.89:2713.02:216.02:363.75:1110:56First Quarter25Sat
26Sun9:3511.310:2313.53:315.73:394.25:1010:58First Quarter26Sun
27Mon10:5111.711:1514.44:414.64:424.25:0811:00Waxing Gibbous27Mon
28Tue11:5612.65:403.15:393.85:0611:02Waxing Gibbous28Tue
29Wed12:0115.512:5113.96:281.26:303.15:0511:04Waxing Gibbous29Wed
30Thu12:4516.81:4115.37:13-0.77:172.45:0311:05Waxing Gibbous30Thu
31Fri1:2818.12:2816.57:56-2.58:021.75:0211:07Full Moon31Fri
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 5:57 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 50% 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 Third Quarter (50% 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