59.3500’ N, 151.8267’ W

Port Graham, AK

48°
H -°
L 45°
S
1mph
High tide
4:57 am

Tides Today & Tomorrow in Port Graham, AK

TIDE TIMES for Monday, September 14, 2026
The tide is currently rising in Port Graham, AK.
Next low tide : 10:42 am (0.6 ft)
Next high tide : in 2h 27m at 4:57 am (18.0 ft)
Sunset today : 8:30 pm
Sunrise tomorrow : 7:34 am
Moon phase : Waxing Crescent (15% illuminated)
Tide Station Location : Station #9455437
Common Questions About Tides

Port Graham, AK Tides - Apr 1881

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri3:2119.84:0317.79:34-3.09:421.15:316:51Waxing Crescent1Fri
2Sat3:5518.84:4316.310:13-1.810:202.75:286:53Waxing Crescent2Sat
3Sun4:2917.45:2614.710:53-0.210:594.35:256:56Waxing Crescent3Sun
4Mon5:0615.86:1513.111:371.611:455.95:226:58First Quarter4Mon
5Tue5:4914.17:1911.812:303.25:197:00First Quarter5Tue
6Wed6:4612.68:4311.212:437.21:404.45:167:03First Quarter6Wed
7Thu8:1011.710:0611.72:067.83:074.75:137:05First Quarter7Thu
8Fri9:4511.711:0212.63:447.24:224.25:107:07Waxing Gibbous8Fri
9Sat10:5612.611:4113.94:535.85:123.35:087:10Waxing Gibbous9Sat
10Sun11:4713.85:384.05:502.45:057:12Waxing Gibbous10Sun
11Mon12:1315.212:2915.16:152.16:251.65:027:14Waxing Gibbous11Mon
12Tue12:4416.51:0916.26:500.36:590.94:597:17Full Moon12Tue
13Wed1:1417.71:4717.17:24-1.37:330.54:567:19Full Moon13Wed
14Thu1:4618.62:2617.77:59-2.58:080.54:537:22Full Moon14Thu
15Fri2:1819.33:0517.88:36-3.38:450.74:507:24Full Moon15Fri
16Sat2:5319.63:4717.59:14-3.59:241.44:477:26Waning Gibbous16Sat
17Sun3:3119.44:3116.79:55-3.110:062.34:447:29Waning Gibbous17Sun
18Mon4:1118.65:2015.710:41-2.210:533.44:427:31Waning Gibbous18Mon
19Tue4:5817.46:1914.611:33-1.011:504.64:397:33Third Quarter19Tue
20Wed5:5515.97:2813.912:350.44:367:36Third Quarter20Wed
21Thu7:0814.58:4513.91:015.31:471.44:337:38Third Quarter21Thu
22Fri8:3713.89:5614.62:255.13:051.84:307:41Third Quarter22Fri
23Sat10:0414.110:5415.83:493.94:171.64:287:43Waning Crescent23Sat
24Sun11:1515.011:4317.14:571.95:141.24:257:45Waning Crescent24Sun
25Mon12:1316.05:510.06:030.84:227:48Waning Crescent25Mon
26Tue12:2518.11:0216.96:37-1.76:460.64:197:50New Moon26Tue
27Wed1:0518.91:4717.47:19-2.97:260.74:177:53New Moon27Wed
28Thu1:4219.22:2917.67:58-3.58:051.04:147:55New Moon28Thu
29Fri2:1719.23:0917.48:36-3.48:421.64:117:57New Moon29Fri
30Sat2:5218.73:4816.89:13-2.99:202.44:098:00Waxing Crescent30Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9455437)

Common Questions About Port Graham, AK Tides

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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 15% 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 Waxing Crescent (15% 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