Tides Today & Tomorrow in Symonds Bay, Biorka Island, AK

TIDE TIMES for Thursday, June 25, 2026
The tide is currently rising in Symonds Bay, Biorka Island, AK.
Next low tide : 3:59 pm (3.9 ft)
Next high tide : in 1h 22m at 11:10 am (6.3 ft)
Sunset today : 9:59 pm
Sunrise tomorrow : 4:10 am
Moon phase : Waxing Gibbous (85% illuminated)
Tide Station Location : Station #9451468
Common Questions About Tides

Symonds Bay, Biorka Island, AK Tides - Aug 2045

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue2:538.93:458.89:19-0.39:372.05:039:13Waning Gibbous1Tue
2Wed3:298.44:128.99:450.410:161.85:059:11Waning Gibbous2Wed
3Thu4:087.84:408.910:121.210:591.85:079:08Waning Gibbous3Thu
4Fri4:547.15:138.910:422.111:501.75:099:06Third Quarter4Fri
5Sat5:526.45:548.911:163.05:119:04Third Quarter5Sat
6Sun7:095.96:479.012:551.712:023.85:139:02Third Quarter6Sun
7Mon8:505.87:559.12:141.31:154.55:159:00Waning Crescent7Mon
8Tue10:236.39:109.53:310.62:514.75:178:57Waning Crescent8Tue
9Wed11:267.010:2010.14:36-0.34:144.35:198:55Waning Crescent9Wed
10Thu12:127.85:31-1.25:193.55:218:53Waning Crescent10Thu
11Fri12:528.66:18-2.06:142.55:238:50New Moon11Fri
12Sat12:1711.21:309.47:02-2.47:051.65:258:48New Moon12Sat
13Sun1:0811.42:0810.07:43-2.57:550.75:278:45New Moon13Sun
14Mon1:5711.22:4510.58:23-2.18:430.15:298:43Waxing Crescent14Mon
15Tue2:4710.63:2210.79:02-1.49:32-0.25:318:41Waxing Crescent15Tue
16Wed3:379.74:0110.69:40-0.310:23-0.15:338:38Waxing Crescent16Wed
17Thu4:308.74:4110.310:191.011:170.25:358:36First Quarter17Thu
18Fri5:307.65:259.811:002.45:378:33First Quarter18Fri
19Sat6:426.76:169.212:190.711:48 AM3.65:408:31First Quarter19Sat
20Sun8:146.37:218.71:331.112:544.65:428:28First Quarter20Sun
21Mon9:566.48:398.42:571.22:315.05:448:26Waxing Gibbous21Mon
22Tue11:096.99:548.54:101.04:014.85:468:23Waxing Gibbous22Tue
23Wed11:547.410:548.85:060.65:014.35:488:20Waxing Gibbous23Wed
24Thu12:277.85:490.25:463.75:508:18Waxing Gibbous24Thu
25Fri12:558.26:25-0.16:233.05:528:15Full Moon25Fri
26Sat12:209.41:208.66:55-0.36:572.45:548:13Full Moon26Sat
27Sun12:559.61:448.97:23-0.47:301.85:568:10Full Moon27Sun
28Mon1:299.52:089.27:50-0.28:021.35:588:07Full Moon28Mon
29Tue2:029.42:319.48:160.18:341.06:008:05Waning Gibbous29Tue
30Wed2:369.12:559.68:410.79:070.86:028:02Waning Gibbous30Wed
31Thu3:128.63:219.69:071.49:430.86:047:59Waning Gibbous31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9451468)

Common Questions About Symonds Bay, Biorka Island, AK Tides

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What time does the tide turn (slack tide) in Symonds Bay, Biorka Island, AK today?

Slack tide in Symonds Bay, Biorka Island, AK is approximately 1:34 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 Symonds Bay, Biorka Island, AK?

Symonds Bay, Biorka Island, AK is currently in a spring phase. Tonight's moon is 85% 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 Symonds Bay, Biorka Island, 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 Symonds Bay, Biorka Island, AK?

Tide predictions for Symonds Bay, Biorka Island, 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 Symonds Bay, Biorka Island, AK?

Tide data for Symonds Bay, Biorka Island, AK is sourced from NOAA Station #9451468. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9451468.

What is the moon phase in Symonds Bay, Biorka Island, AK tonight?

Tonight the moon over Symonds Bay, Biorka Island, AK is Waxing Gibbous (85% illuminated). This places Symonds Bay, Biorka Island, 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