56.8567’ N, 135.5200’ W

Symonds Bay, Biorka Island, AK

53°
H 59°
L 53°
NNE
4mph
High tide
12:35 pm

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

TIDE TIMES for Tuesday, August 25, 2026
The tide is currently rising in Symonds Bay, Biorka Island, AK.
Next low tide : 5:53 pm (3.5 ft)
Next high tide : in 6h 31m at 12:35 pm (7.8 ft)
Sunset today : 8:16 pm
Sunrise tomorrow : 5:51 am
Moon phase : Waxing Gibbous (94% illuminated)
Tide Station Location : Station #9451468
Common Questions About Tides

Symonds Bay, Biorka Island, AK Tides - Aug 1922

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue6:166.86:139.412:020.911:43 AM2.93:007:15First Quarter1Tue
2Wed7:436.87:199.41:180.612:593.43:027:13Waxing Gibbous2Wed
3Thu8:557.28:219.62:240.12:113.43:047:11Waxing Gibbous3Thu
4Fri9:517.79:159.83:18-0.33:103.23:067:09Waxing Gibbous4Fri
5Sat10:358.210:019.94:04-0.74:002.93:087:07Full Moon5Sat
6Sun11:128.510:4310.04:44-0.94:432.53:107:05Full Moon6Sun
7Mon11:468.811:219.95:20-1.05:222.23:127:02Full Moon7Mon
8Tue12:179.05:53-0.95:581.93:147:00Full Moon8Tue
9Wed12:479.06:25-0.76:341.83:166:58Waning Gibbous9Wed
10Thu12:329.41:179.06:55-0.37:091.73:186:55Waning Gibbous10Thu
11Fri1:079.01:479.07:250.27:461.73:206:53Waning Gibbous11Fri
12Sat1:448.42:188.97:550.88:261.93:226:51Waning Gibbous12Sat
13Sun2:237.82:528.78:261.69:112.03:246:48Third Quarter13Sun
14Mon3:107.13:318.59:012.310:052.23:266:46Third Quarter14Mon
15Tue4:096.54:198.49:433.111:122.13:286:44Third Quarter15Tue
16Wed5:256.15:188.410:413.73:316:41Third Quarter16Wed
17Thu6:546.26:268.612:281.812:004.13:336:39Waning Crescent17Thu
18Fri8:106.77:339.11:371.21:203.93:356:36Waning Crescent18Fri
19Sat9:077.48:339.72:340.32:263.43:376:34Waning Crescent19Sat
20Sun9:538.29:2710.43:23-0.53:222.63:396:31Waning Crescent20Sun
21Mon10:349.010:1711.04:08-1.34:121.83:416:29New Moon21Mon
22Tue11:149.811:0611.34:51-1.85:000.93:436:26New Moon22Tue
23Wed11:5310.411:5411.25:33-1.95:480.23:456:24New Moon23Wed
24Thu12:3310.86:14-1.76:35-0.23:476:21Waxing Crescent24Thu
25Fri12:4210.81:1410.96:55-1.27:24-0.43:496:18Waxing Crescent25Fri
26Sat1:3310.21:5710.87:38-0.38:16-0.23:516:16Waxing Crescent26Sat
27Sun2:269.32:4310.58:220.79:130.13:536:13First Quarter27Sun
28Mon3:278.33:349.99:121.910:170.63:556:11First Quarter28Mon
29Tue4:387.54:359.410:102.911:331.03:576:08First Quarter29Tue
30Wed6:037.15:458.911:263.73:596:05First Quarter30Wed
31Thu7:297.17:018.812:521.012:523.94:016:03Waxing Gibbous31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9451468)

Common Questions About Symonds Bay, Biorka Island, AK Tides

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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 94% 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 (94% 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