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 1h 53m 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 - May 2008

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu11:5813.75:493.45:592.26:0510:02Waning Crescent1Thu
2Fri12:2615.912:5415.16:371.06:451.56:0310:05Waning Crescent2Fri
3Sat1:0417.61:4416.57:21-1.57:290.96:0010:07Waning Crescent3Sat
4Sun1:4319.12:3317.68:04-3.58:130.75:5710:10New Moon4Sun
5Mon2:2320.23:2018.28:48-4.98:560.75:5510:12New Moon5Mon
6Tue3:0520.84:0818.39:32-5.69:411.15:5210:14New Moon6Tue
7Wed3:4920.74:5717.810:18-5.410:271.95:5010:17Waxing Crescent7Wed
8Thu4:3520.05:4916.911:06-4.411:172.95:4710:19Waxing Crescent8Thu
9Fri5:2518.66:4515.811:58-2.95:4510:21Waxing Crescent9Fri
10Sat6:2016.97:4714.812:124.012:55-1.15:4310:24First Quarter10Sat
11Sun7:2615.08:5514.21:184.92:000.65:4010:26First Quarter11Sun
12Mon8:4413.510:0414.22:355.23:101.85:3810:28First Quarter12Mon
13Tue10:1012.811:0514.74:004.74:212.65:3610:31First Quarter13Tue
14Wed11:2712.911:5415.35:163.55:223.05:3310:33Waxing Gibbous14Wed
15Thu12:3013.46:132.06:123.25:3110:35Waxing Gibbous15Thu
16Fri12:3515.81:2014.06:580.76:543.35:2910:37Waxing Gibbous16Fri
17Sat1:1016.32:0314.67:36-0.47:323.45:2710:40Waxing Gibbous17Sat
18Sun1:4216.72:4215.18:10-1.18:083.55:2510:42Full Moon18Sun
19Mon2:1417.03:1915.58:43-1.68:443.65:2310:44Full Moon19Mon
20Tue2:4617.23:5515.69:16-1.89:193.85:2110:46Full Moon20Tue
21Wed3:1917.14:3115.49:50-1.79:554.15:1910:48Full Moon21Wed
22Thu3:5316.95:0915.010:25-1.410:314.65:1710:50Waning Gibbous22Thu
23Fri4:2816.35:4814.411:01-0.811:105.15:1510:52Waning Gibbous23Fri
24Sat5:0615.66:3013.811:40-0.111:535.65:1310:54Waning Gibbous24Sat
25Sun5:4714.77:1513.312:220.75:1110:56Waning Gibbous25Sun
26Mon6:3513.68:0513.112:436.01:091.65:1010:58Third Quarter26Mon
27Tue7:3612.78:5813.41:426.02:022.45:0811:00Third Quarter27Tue
28Wed8:4912.19:5114.02:505.53:023.05:0611:02Third Quarter28Wed
29Thu10:0812.110:4215.14:014.24:053.45:0511:04Third Quarter29Thu
30Fri11:2212.911:3116.35:062.45:063.55:0311:06Waning Crescent30Fri
31Sat12:2814.06:030.36:043.35:0211:07Waning Crescent31Sat
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