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

TIDE TIMES for Monday, July 13, 2026
The tide is currently rising in Symonds Bay, Biorka Island, AK.
Next low tide : 6:21 pm (3.2 ft)
Next high tide : in 4h 45m at 1:13 pm (8.3 ft)
Sunset today : 9:46 pm
Sunrise tomorrow : 4:29 am
Moon phase : New Moon (1% illuminated)
Tide Station Location : Station #9451468
Common Questions About Tides

Symonds Bay, Biorka Island, AK Tides - May 1983

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun2:179.73:487.79:09-0.58:593.94:147:43Waning Gibbous1Sun
2Mon2:539.04:427.29:530.29:444.44:127:46Waning Gibbous2Mon
3Tue3:358.35:466.910:440.810:434.84:097:48Third Quarter3Tue
4Wed4:297.66:586.811:461.34:077:50Third Quarter4Wed
5Thu5:427.08:047.012:104.912:561.64:057:52Third Quarter5Thu
6Fri7:096.78:537.41:444.52:001.64:027:54Third Quarter6Fri
7Sat8:266.99:318.02:513.62:531.54:007:56Waning Crescent7Sat
8Sun9:287.210:038.63:392.63:361.43:587:58Waning Crescent8Sun
9Mon10:197.710:349.34:191.54:151.33:568:00Waning Crescent9Mon
10Tue11:058.111:049.94:560.54:521.43:548:02Waning Crescent10Tue
11Wed11:498.511:3610.45:33-0.55:281.63:528:04New Moon11Wed
12Thu12:328.86:11-1.36:051.93:508:06New Moon12Thu
13Fri12:1010.91:168.96:51-1.96:442.23:488:08New Moon13Fri
14Sat12:4611.12:028.87:32-2.27:242.63:468:10Waxing Crescent14Sat
15Sun1:2511.02:528.58:17-2.28:093.13:448:12Waxing Crescent15Sun
16Mon2:0810.73:478.29:05-1.99:003.53:428:14Waxing Crescent16Mon
17Tue2:5710.14:488.09:59-1.410:023.93:408:16Waxing Crescent17Tue
18Wed3:569.35:557.910:59-0.811:203.93:388:18First Quarter18Wed
19Thu5:088.47:038.112:05-0.23:368:20First Quarter19Thu
20Fri6:327.88:038.512:513.51:130.33:358:22First Quarter20Fri
21Sat7:577.58:559.12:132.62:160.63:338:23Waxing Gibbous21Sat
22Sun9:137.69:409.63:181.53:120.93:318:25Waxing Gibbous22Sun
23Mon10:177.910:2010.14:110.34:011.33:308:27Waxing Gibbous23Mon
24Tue11:118.110:5710.44:56-0.64:451.73:288:29Waxing Gibbous24Tue
25Wed12:008.35:38-1.35:272.13:268:30Full Moon25Wed
26Thu12:448.46:17-1.66:062.53:258:32Full Moon26Thu
27Fri12:0710.51:268.46:54-1.76:442.93:238:34Full Moon27Fri
28Sat12:4110.32:068.37:31-1.67:223.33:228:35Waning Gibbous28Sat
29Sun1:1510.02:488.08:08-1.38:003.63:218:37Waning Gibbous29Sun
30Mon1:509.53:317.78:47-0.88:403.93:208:39Waning Gibbous30Mon
31Tue2:278.94:177.49:27-0.39:254.23:188:40Waning Gibbous31Tue
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 3:47 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 1% 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 New Moon (1% 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